一、开发前必须有如下东西：
appId(小程序分配)
小程序密钥(小程序配置界面获取)
商户号
api密钥(商家后台自己设置)二、这是微信小程序支付的流程图
三、Controller层，
/**
* 微信支付
*/
@RequestMapping(value = "wxOrderId", method = RequestMethod.POST)
public ResponseVos doUnifiedOrder() throws Exception {
//支付金额，需要转成字符串类型，否则后面的签名会失败
double total_fee = 1;
MyConfig config = null;
WXPay wxpay = null;
try {
config = new MyConfig();
wxpay = new WXPay(config);
} catch (Exception e) {
e.printStackTrace();
}
//生成的随机字符串
String nonce_str = WXPayUtil.generateNonceStr();
//获取本机的ip地址
InetAddress addr = null;
try {
addr = InetAddress.getLocalHost();
} catch (UnknownHostException e) {
e.printStackTrace();
}
String spbill_create_ip = addr.getHostAddress();
//商品描述
String body = "产品支付";
//商户订单号
String out_trade_no = WXPayUtil.generateNonceStr();
//统一下单接口参数
HashMap<String, String> data = new HashMap<String, String>();
//1.参数封装
//公众账号ID
data.put("appid", ConstantUtil.appId);
//商户号
data.put("mch_id", ConstantUtil.mchId);
//随机字符串
data.put("nonce_str", WXPayUtil.generateNonceStr());
data.put("body", body);
//交易订单号
data.put("out_trade_no", out_trade_no);
//金额（分）
data.put("total_fee", String.valueOf(total_fee);
data.put("spbill_create_ip", spbill_create_ip);
data.put("notify_url", ConstantUtil.notifyUrl);
//交易类型
data.put("trade_type", "JSAPI");
//用户标示
//openid是你微信授权过返回的用户的唯一的标识，这个你可以传参进来，前期为了测试支付是否能调起来先写死
data.put("openid", openid);
String xmlParam = WXPayUtil.generateSignedXml(data, ConstantUtil.partnerKey);
//2.发送请求
String xmlResult = HttpUtil.doPost("https://api.mch.weixin.qq.com/pay/unifiedorder", xmlParam);
//3.获取结果
Map<String, String> mapResult = WXPayUtil.xmlToMap(xmlResult);
System.out.println("微信返回结果" + mapResult);
try {
if (mapResult.get("return_code").equals("SUCCESS")) {
//返回给APP端的参数，APP端再调起支付接口
Map<String, String> repData = new HashMap<>();
repData.put("appId", ConstantUtil.appId);
String packag = "prepay_id=" + mapResult.get("prepay_id");
String str = WXPayUtil.generateNonceStr();
repData.put("package", packag);
repData.put("signType", "MD5");
repData.put("nonceStr", str);
repData.put("timeStamp", String.valueOf(System.currentTimeMillis() / 1000));
//签名
//商户号对应的密钥 ConstantUtil.partnerKey
String sign = WXPayUtil.generateSignature(repData, ConstantUtil.partnerKey);
Map<String, String> map = new HashMap<>();
map.put("prepayid", mapResult.get("prepay_id"));
map.put("mch_id", ConstantUtil.mchId);
map.put("paySign", sign);
map.put("timeStamp", repData.get("timeStamp"));
map.put("nonceStr", str);
map.put("package", packag);
map.put("signType", "MD5");
return ResponseVos.success(map);
} else {
return ResponseVos.serviceFail("失败");
}
} catch (Exception e) {
e.printStackTrace();
return ResponseVos.serviceFail("失败");
}
}四、用到的工具类
package cn.stylefeng.guns.core.util.sdk;
import cn.stylefeng.guns.core.util.sdk.WXPayConstants.SignType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.StringWriter;
import java.security.MessageDigest;
import java.security.SecureRandom;
import java.util.*;
public class WXPayUtil {
private static final String SYMBOLS = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
private static final Random RANDOM = new SecureRandom();
/**
* XML格式字符串转换为Map
*
* @param strXML XML字符串
* @return XML数据转换后的Map
* @throws Exception
*/
public static Map<String, String> xmlToMap(String strXML) throws Exception {
try {
Map<String, String> data = new HashMap<String, String>();
DocumentBuilder documentBuilder = WXPayXmlUtil.newDocumentBuilder();
InputStream stream = new ByteArrayInputStream(strXML.getBytes("UTF-8"));
org.w3c.dom.Document doc = documentBuilder.parse(stream);
doc.getDocumentElement().normalize();
NodeList nodeList = doc.getDocumentElement().getChildNodes();
for (int idx = 0; idx < nodeList.getLength(); ++idx) {
Node node = nodeList.item(idx);
if (node.getNodeType() == Node.ELEMENT_NODE) {
org.w3c.dom.Element element = (org.w3c.dom.Element) node;
data.put(element.getNodeName(), element.getTextContent());
}
}
try {
stream.close();
} catch (Exception ex) {
// do nothing
}
return data;
} catch (Exception ex) {
WXPayUtil.getLogger().warn("Invalid XML, can not convert to map. Error message: {}. XML content: {}", ex.getMessage(), strXML);
throw ex;
}
}
/**
* 将Map转换为XML格式的字符串
*
* @param data Map类型数据
* @return XML格式的字符串
* @throws Exception
*/
public static String mapToXml(Map<String, String> data) throws Exception {
org.w3c.dom.Document document = WXPayXmlUtil.newDocument();
org.w3c.dom.Element root = document.createElement("xml");
document.appendChild(root);
for (String key: data.keySet()) {
String value = data.get(key);
if (value == null) {
value = "";
}
value = value.trim();
org.w3c.dom.Element filed = document.createElement(key);
filed.appendChild(document.createTextNode(value));
root.appendChild(filed);
}
TransformerFactory tf = TransformerFactory.newInstance();
Transformer transformer = tf.newTransformer();
DOMSource source = new DOMSource(document);
transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
StringWriter writer = new StringWriter();
StreamResult result = new StreamResult(writer);
transformer.transform(source, result);
String output = writer.getBuffer().toString(); //.replaceAll("\n|\r", "");
try {
writer.close();
}
catch (Exception ex) {
}
return output;
}
/**
* 生成带有 sign 的 XML 格式字符串
*
* @param data Map类型数据
* @param key API密钥
* @return 含有sign字段的XML
*/
public static String generateSignedXml(final Map<String, String> data, String key) throws Exception {
return generateSignedXml(data, key, SignType.MD5);
}
/**
* 生成带有 sign 的 XML 格式字符串
*
* @param data Map类型数据
* @param key API密钥
* @param signType 签名类型
* @return 含有sign字段的XML
*/
public static String generateSignedXml(final Map<String, String> data, String key, SignType signType) throws Exception {
String sign = generateSignature(data, key, signType);
data.put(WXPayConstants.FIELD_SIGN, sign);
return mapToXml(data);
}
/**
* 判断签名是否正确
*
* @param xmlStr XML格式数据
* @param key API密钥
* @return 签名是否正确
* @throws Exception
*/
public static boolean isSignatureValid(String xmlStr, String key) throws Exception {
Map<String, String> data = xmlToMap(xmlStr);
if (!data.containsKey(WXPayConstants.FIELD_SIGN) ) {
return false;
}
String sign = data.get(WXPayConstants.FIELD_SIGN);
return generateSignature(data, key).equals(sign);
}
/**
* 判断签名是否正确，必须包含sign字段，否则返回false。使用MD5签名。
*
* @param data Map类型数据
* @param key API密钥
* @return 签名是否正确
* @throws Exception
*/
public static boolean isSignatureValid(Map<String, String> data, String key) throws Exception {
return isSignatureValid(data, key, SignType.MD5);
}
/**
* 判断签名是否正确，必须包含sign字段，否则返回false。
*
* @param data Map类型数据
* @param key API密钥
* @param signType 签名方式
* @return 签名是否正确
* @throws Exception
*/
public static boolean isSignatureValid(Map<String, String> data, String key, SignType signType) throws Exception {
if (!data.containsKey(WXPayConstants.FIELD_SIGN) ) {
return false;
}
String sign = data.get(WXPayConstants.FIELD_SIGN);
return generateSignature(data, key, signType).equals(sign);
}
/**
* 生成签名
*
* @param data 待签名数据
* @param key API密钥
* @return 签名
*/
public static String generateSignature(final Map<String, String> data, String key) throws Exception {
return generateSignature(data, key, SignType.MD5);
}
/**
* 生成签名. 注意，若含有sign_type字段，必须和signType参数保持一致。
*
* @param data 待签名数据
* @param key API密钥
* @param signType 签名方式
* @return 签名
*/
public static String generateSignature(final Map<String, String> data, String key, SignType signType) throws Exception {
Set<String> keySet = data.keySet();
String[] keyArray = keySet.toArray(new String[keySet.size()]);
Arrays.sort(keyArray);
StringBuilder sb = new StringBuilder();
for (String k : keyArray) {
if (k.equals(WXPayConstants.FIELD_SIGN)) {
continue;
}
if (data.get(k).trim().length() > 0) // 参数值为空，则不参与签名
sb.append(k).append("=").append(data.get(k).trim()).append("&");
}
sb.append("key=").append(key);
if (SignType.MD5.equals(signType)) {
return MD5(sb.toString()).toUpperCase();
}
else if (SignType.HMACSHA256.equals(signType)) {
return MD5(sb.toString()).toUpperCase();
}
else {
throw new Exception(String.format("Invalid sign_type: %s", signType));
}
}
/**
* 获取随机字符串 Nonce Str
*
* @return String 随机字符串
*/
public static String generateNonceStr() {
char[] nonceChars = new char[32];
for (int index = 0; index < nonceChars.length; ++index) {
nonceChars[index] = SYMBOLS.charAt(RANDOM.nextInt(SYMBOLS.length()));
}
return new String(nonceChars);
}
/**
* 生成 MD5
*
* @param data 待处理数据
* @return MD5结果
*/
public static String MD5(String data) throws Exception {
java.security.MessageDigest md = MessageDigest.getInstance("MD5");
byte[] array = md.digest(data.getBytes("UTF-8"));
StringBuilder sb = new StringBuilder();
for (byte item : array) {
sb.append(Integer.toHexString((item & 0xFF) | 0x100).substring(1, 3));
}
return sb.toString().toUpperCase();
}
/**
* 生成 HMACSHA256
* @param data 待处理数据
* @param key 密钥
* @return 加密结果
* @throws Exception
*/
public static String HMACSHA256(String data, String key) throws Exception {
Mac sha256_HMAC = Mac.getInstance("HmacSHA256");
SecretKeySpec secret_key = new SecretKeySpec(key.getBytes("UTF-8"), "HmacSHA256");
sha256_HMAC.init(secret_key);
byte[] array = sha256_HMAC.doFinal(data.getBytes("UTF-8"));
StringBuilder sb = new StringBuilder();
for (byte item : array) {
sb.append(Integer.toHexString((item & 0xFF) | 0x100).substring(1, 3));
}
return sb.toString().toUpperCase();
}
/**
* 日志
* @return
*/
public static Logger getLogger() {
Logger logger = LoggerFactory.getLogger("wxpay java sdk");
return logger;
}
/**
* 获取当前时间戳，单位秒
* @return
*/
public static long getCurrentTimestamp() {
return System.currentTimeMillis()/1000;
}
/**
* 获取当前时间戳，单位毫秒
* @return
*/
public static long getCurrentTimestampMs() {
return System.currentTimeMillis();
}
}package cn.stylefeng.guns.core.util.sdk;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import java.io.IOException;
import java.util.*;
/**
* HttpClient4.3工具类
*/
@Slf4j
public class HttpClientUtils {
private static RequestConfig requestConfig = null;
private static String charset = "utf-8";
public static void main(String[] args) {
JSONObject tt = new JSONObject();
tt.put("aaa", "4444");
Map mm = new HashMap();
mm.put("aaa", "555");
System.out.println("result:" + httpPostForm("http://127.0.0.1:8761/hi2", mm));
}
static {
// 设置请求和传输超时时间
requestConfig = RequestConfig.custom().setSocketTimeout(5000).setConnectTimeout(5000).build();
}
/**
* @param url
* @param obj 1. json字符串 2. map 3.JSONObject
* @return JSONObject
*/
public static JSONObject httpPost(String url, Object obj) {
// post请求返回结果
CloseableHttpClient httpClient = HttpClients.createDefault();
JSONObject jsonResult = null;
HttpPost httpPost = new HttpPost(url);
// 设置请求和传输超时时间
httpPost.setConfig(requestConfig);
try {
if (null != obj) {
StringEntity entity = null;
if (obj instanceof String) {
entity = new StringEntity(obj.toString(), charset);
} else {
entity = new StringEntity(JSON.toJSONString(obj), charset);
}
entity.setContentEncoding(charset);
entity.setContentType("application/json");
httpPost.setEntity(entity);
}
log.debug(" {} - {} ", url, obj);
CloseableHttpResponse response = httpClient.execute(httpPost);
return convertResponse(response);
} catch (Exception e) {
log.error("error HttpClientUtils {} - {} - {}" + url, obj, e);
} finally {
httpPost.releaseConnection();
}
return jsonResult;
}
/**
* post请求传输String参数 例如：name=Jack&sex=1&type=2
* Content-type:application/x-www-form-urlencoded
*
* @param url url地址
* @param
* @return
*/
public static JSONObject httpPostForm(String url, Map<String, String> params) {
// post请求返回结果
CloseableHttpClient httpClient = HttpClients.createDefault();
JSONObject jsonResult = null;
HttpPost httpPost = new HttpPost(url);
httpPost.setConfig(requestConfig);
try {
if (null != params) {
//组织请求参数
List<NameValuePair> paramList = new ArrayList<NameValuePair>();
if (params != null && params.size() > 0) {
Set<String> keySet = params.keySet();
for (String key : keySet) {
paramList.add(new BasicNameValuePair(key, params.get(key)));
}
}
httpPost.setEntity(new UrlEncodedFormEntity(paramList, charset));
}
CloseableHttpResponse response = httpClient.execute(httpPost);
return convertResponse(response);
} catch (IOException e) {
log.error("post请求提交失败:" + url, e);
} finally {
httpPost.releaseConnection();
}
return jsonResult;
}
/**
* 发送get请求
*
* @param url 路径
* @return
*/
public static JSONObject httpGet(String url) {
// get请求返回结果
JSONObject jsonResult = null;
CloseableHttpClient client = HttpClients.createDefault();
// 发送get请求
HttpGet request = new HttpGet(url);
request.setConfig(requestConfig);
try {
CloseableHttpResponse response = client.execute(request);
convertResponse(response);
} catch (Exception e) {
log.error("get请求提交失败:" + url, e);
} finally {
request.releaseConnection();
}
return jsonResult;
}
private static JSONObject convertResponse(CloseableHttpResponse response) throws IOException, ParseException {
// 请求发送成功，并得到响应
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
// 读取服务器返回过来的json字符串数据
HttpEntity entity = response.getEntity();
String strResult = EntityUtils.toString(entity, "utf-8");
// 把json字符串转换成json对象
return JSONObject.parseObject(strResult);
} else {
log.error(" {} ", response);
}
return null;
}
}package cn.stylefeng.guns.core.util.sdk;
import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
/**
* 作者: yushuangyu
* 时间: 2020年06月14日 18:22
* 描述:
*/
public class WeiXinPayUtil {
/**
* 微信回调参数解析
*
* @param request
* @return
*/
public static String getPostStr(HttpServletRequest request) {
StringBuffer sb = new StringBuffer();
try {
InputStream is = request.getInputStream();
InputStreamReader isr = new InputStreamReader(is, "UTF-8");
BufferedReader br = new BufferedReader(isr);
String s = "";
while ((s = br.readLine()) != null) {
sb.append(s);
}
} catch (IOException e) {
e.printStackTrace();
}
String xml = sb.toString(); //次即为接收到微信端发送过来的xml数据
return xml;
}
}package cn.stylefeng.guns.core.util.sdk;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
public class HttpUtil {
//private static Logger logger = Logger.getLogger(HttpUtil.class);
/**
* get请求
* @return
*/
public static String doGet(String url) {
try {
HttpClient client = new DefaultHttpClient();
//发送get请求
HttpGet request = new HttpGet(url);
HttpResponse response = client.execute(request);
/**请求发送成功，并得到响应**/
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
/**读取服务器返回过来的json字符串数据**/
String strResult = EntityUtils.toString(response.getEntity());
return strResult;
}
}
catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* post请求(用于key-value格式的参数)
* @param url
* @param params
* @return
*/
public static String doPost(String url, Map params){
BufferedReader in = null;
try {
// 定义HttpClient
HttpClient client = new DefaultHttpClient();
// 实例化HTTP方法
HttpPost request = new HttpPost();
request.setURI(new URI(url));
//设置参数
List<NameValuePair> nvps = new ArrayList<NameValuePair>();
for (Iterator iter = params.keySet().iterator(); iter.hasNext();) {
String name = (String) iter.next();
String value = String.valueOf(params.get(name));
nvps.add(new BasicNameValuePair(name, value));
//System.out.println(name +"-"+value);
}
request.setEntity(new UrlEncodedFormEntity(nvps,HTTP.UTF_8));
HttpResponse response = client.execute(request);
int code = response.getStatusLine().getStatusCode();
if(code == 200){ //请求成功
in = new BufferedReader(new InputStreamReader(response.getEntity()
.getContent(),"utf-8"));
StringBuffer sb = new StringBuffer("");
String line = "";
String NL = System.getProperty("line.separator");
while ((line = in.readLine()) != null) {
sb.append(line + NL);
}
in.close();
return sb.toString();
}
else{ //
System.out.println("状态码：" + code);
return null;
}
}
catch(Exception e){
e.printStackTrace();
return null;
}
}
/**
* post请求（用于请求json格式的参数）
* @param url
* @param params
* @return
*/
public static String doPost(String url, String params) throws Exception {
CloseableHttpClient httpclient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);// 创建httpPost
httpPost.setHeader("Accept", "application/json");
httpPost.setHeader("Content-Type", "application/json");
String charSet = "UTF-8";
StringEntity entity = new StringEntity(params, charSet);
httpPost.setEntity(entity);
CloseableHttpResponse response = null;
try {
response = httpclient.execute(httpPost);
StatusLine status = response.getStatusLine();
int state = status.getStatusCode();
if (state == HttpStatus.SC_OK) {
HttpEntity responseEntity = response.getEntity();
String jsonString = EntityUtils.toString(responseEntity);
return jsonString;
}
else{
//logger.error("请求返回:"+state+"("+url+")");
}
}
finally {
if (response != null) {
try {
response.close();
} catch (IOException e) {
e.printStackTrace();
}
}
try {
httpclient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return null;
}
}package cn.stylefeng.guns.core.util.sdk;
/**
* 域名管理，实现主备域名自动切换
*/
public abstract interface IWXPayDomain {
/**
* 上报域名网络状况
* @param domain 域名。 比如：api.mch.weixin.qq.com
* @param elapsedTimeMillis 耗时
* @param ex 网络请求中出现的异常。
* null表示没有异常
* ConnectTimeoutException，表示建立网络连接异常
* UnknownHostException， 表示dns解析异常
*/
abstract void report(final String domain, long elapsedTimeMillis, final Exception ex);
/**
* 获取域名
* @param config 配置
* @return 域名
*/
abstract DomainInfo getDomain(final WXPayConfig config);
static class DomainInfo{
public String domain; //域名
public boolean primaryDomain; //该域名是否为主域名。例如:api.mch.weixin.qq.com为主域名
public DomainInfo(String domain, boolean primaryDomain) {
this.domain = domain;
this.primaryDomain = primaryDomain;
}
@Override
public String toString() {
return "DomainInfo{" +
"domain='" + domain + '\'' +
", primaryDomain=" + primaryDomain +
'}';
}
}
}package cn.stylefeng.guns.core.util.sdk;
import com.jfinal.kit.PathKit;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
/**
* 作者: yushuangyu
* 时间: 2020年05月30日 8:47
* 描述:
*/
public class MyConfig extends WXPayConfig {
private byte[] certData;
public MyConfig() throws Exception {
}
public String getAppID() {
return ""; //你的appid
}
public String getMchID() {
return ""; //你的商户号mch_id
}
public String getKey() {
return ""; //你的商户号秘钥 key
}
public InputStream getCertStream() {
ByteArrayInputStream certBis = new ByteArrayInputStream(this.certData);
return certBis;
}
public int getHttpConnectTimeoutMs() {
return 8000;
}
public int getHttpReadTimeoutMs() {
return 10000;
}
public void initCert() throws Exception {
String certPath = PathKit.getRootClassPath() + "\\cert\\apiclient_cert.p12";//从微信商户平台下载的安全证书存放的目录
System.out.println(certPath);
File file = new File(certPath);
InputStream certStream = new FileInputStream(file);
this.certData = new byte[(int) file.length()];
certStream.read(this.certData);
certStream.close();
}
public IWXPayDomain getWXPayDomain() {
// 这个方法需要这样实现, 否则无法正常初始化WXPay
IWXPayDomain iwxPayDomain = new IWXPayDomain() {
public void report(String domain, long elapsedTimeMillis, Exception ex) {
}
public DomainInfo getDomain(WXPayConfig config) {
return new IWXPayDomain.DomainInfo(WXPayConstants.DOMAIN_API, true);//微信工具常量类有 "api.mch.weixin.qq.com"; wxpay.unifiedorder() /pay/unifiedorder
}
};
return iwxPayDomain;
}
}package cn.stylefeng.guns.core.util.sdk;
import cn.stylefeng.guns.core.util.sdk.WXPayConstants.SignType;
import java.util.HashMap;
import java.util.Map;
public class WXPay {
private WXPayConfig config;
private SignType signType;
private boolean autoReport;
private boolean useSandbox;
private String notifyUrl;
private WXPayRequest wxPayRequest;
public WXPay(final WXPayConfig config) throws Exception {
this(config, null, true, false);
}
public WXPay(final WXPayConfig config, final boolean autoReport) throws Exception {
this(config, null, autoReport, false);
}
public WXPay(final WXPayConfig config, final boolean autoReport, final boolean useSandbox) throws Exception {
this(config, null, autoReport, useSandbox);
}
public WXPay(final WXPayConfig config, final String notifyUrl) throws Exception {
this(config, notifyUrl, true, false);
}
public WXPay(final WXPayConfig config, final String notifyUrl, final boolean autoReport) throws Exception {
this(config, notifyUrl, autoReport, false);
}
public WXPay(final WXPayConfig config, final String notifyUrl, final boolean autoReport, final boolean useSandbox) throws Exception {
this.config = config;
this.notifyUrl = notifyUrl;
this.autoReport = autoReport;
this.useSandbox = useSandbox;
if (useSandbox) {
this.signType = SignType.MD5; // 沙箱环境
}
else {
// this.signType = SignType.HMACSHA256;
this.signType = SignType.MD5;
}
this.wxPayRequest = new WXPayRequest(config);
}
private void checkWXPayConfig() throws Exception {
if (this.config == null) {
throw new Exception("config is null");
}
if (this.config.getAppID() == null || this.config.getAppID().trim().length() == 0) {
throw new Exception("appid in config is empty");
}
if (this.config.getMchID() == null || this.config.getMchID().trim().length() == 0) {
throw new Exception("appid in config is empty");
}
if (this.config.getCertStream() == null) {
throw new Exception("cert stream in config is empty");
}
if (this.config.getWXPayDomain() == null){
throw new Exception("config.getWXPayDomain() is null");
}
if (this.config.getHttpConnectTimeoutMs() < 10) {
throw new Exception("http connect timeout is too small");
}
if (this.config.getHttpReadTimeoutMs() < 10) {
throw new Exception("http read timeout is too small");
}
}
/**
* 向 Map 中添加 appid、mch_id、nonce_str、sign_type、sign <br>
* 该函数适用于商户适用于统一下单等接口，不适用于红包、代金券接口
*
* @param reqData
* @return
* @throws Exception
*/
public Map<String, String> fillRequestData(Map<String, String> reqData) throws Exception {
reqData.put("appid", config.getAppID());
reqData.put("mch_id", config.getMchID());
reqData.put("nonce_str", WXPayUtil.generateNonceStr());
if (SignType.MD5.equals(this.signType)) {
reqData.put("sign_type", WXPayConstants.MD5);
}
else if (SignType.HMACSHA256.equals(this.signType)) {
reqData.put("sign_type", WXPayConstants.HMACSHA256);
}
reqData.put("sign", WXPayUtil.generateSignature(reqData, config.getKey(), this.signType));
return reqData;
}
/**
* 判断xml数据的sign是否有效，必须包含sign字段，否则返回false。
*
* @param reqData 向wxpay post的请求数据
* @return 签名是否有效
* @throws Exception
*/
public boolean isResponseSignatureValid(Map<String, String> reqData) throws Exception {
// 返回数据的签名方式和请求中给定的签名方式是一致的
return WXPayUtil.isSignatureValid(reqData, this.config.getKey(), this.signType);
}
/**
* 判断支付结果通知中的sign是否有效
*
* @param reqData 向wxpay post的请求数据
* @return 签名是否有效
* @throws Exception
*/
public boolean isPayResultNotifySignatureValid(Map<String, String> reqData) throws Exception {
String signTypeInData = reqData.get(WXPayConstants.FIELD_SIGN_TYPE);
SignType signType;
if (signTypeInData == null) {
signType = SignType.MD5;
}
else {
signTypeInData = signTypeInData.trim();
if (signTypeInData.length() == 0) {
signType = SignType.MD5;
}
else if (WXPayConstants.MD5.equals(signTypeInData)) {
signType = SignType.MD5;
}
else if (WXPayConstants.HMACSHA256.equals(signTypeInData)) {
signType = SignType.HMACSHA256;
}
else {
throw new Exception(String.format("Unsupported sign_type: %s", signTypeInData));
}
}
return WXPayUtil.isSignatureValid(reqData, this.config.getKey(), signType);
}
/**
* 不需要证书的请求
* @param urlSuffix String
* @param reqData 向wxpay post的请求数据
* @param connectTimeoutMs 超时时间，单位是毫秒
* @param readTimeoutMs 超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public String requestWithoutCert(String urlSuffix, Map<String, String> reqData,
int connectTimeoutMs, int readTimeoutMs) throws Exception {
String msgUUID = reqData.get("nonce_str");
String reqBody = WXPayUtil.mapToXml(reqData);
String resp = this.wxPayRequest.requestWithoutCert(urlSuffix, msgUUID, reqBody, connectTimeoutMs, readTimeoutMs, autoReport);
return resp;
}
/**
* 需要证书的请求
* @param urlSuffix String
* @param reqData 向wxpay post的请求数据 Map
* @param connectTimeoutMs 超时时间，单位是毫秒
* @param readTimeoutMs 超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public String requestWithCert(String urlSuffix, Map<String, String> reqData,
int connectTimeoutMs, int readTimeoutMs) throws Exception {
String msgUUID= reqData.get("nonce_str");
String reqBody = WXPayUtil.mapToXml(reqData);
String resp = this.wxPayRequest.requestWithCert(urlSuffix, msgUUID, reqBody, connectTimeoutMs, readTimeoutMs, this.autoReport);
return resp;
}
/**
* 处理 HTTPS API返回数据，转换成Map对象。return_code为SUCCESS时，验证签名。
* @param xmlStr API返回的XML格式数据
* @return Map类型数据
* @throws Exception
*/
public Map<String, String> processResponseXml(String xmlStr) throws Exception {
String RETURN_CODE = "return_code";
String return_code;
Map<String, String> respData = WXPayUtil.xmlToMap(xmlStr);
if (respData.containsKey(RETURN_CODE)) {
return_code = respData.get(RETURN_CODE);
}
else {
throw new Exception(String.format("No `return_code` in XML: %s", xmlStr));
}
if (return_code.equals(WXPayConstants.FAIL)) {
return respData;
}
else if (return_code.equals(WXPayConstants.SUCCESS)) {
if (this.isResponseSignatureValid(respData)) {
return respData;
}
else {
throw new Exception(String.format("Invalid sign value in XML: %s", xmlStr));
}
}
else {
throw new Exception(String.format("return_code value %s is invalid in XML: %s", return_code, xmlStr));
}
}
/**
* 作用：提交刷卡支付<br>
* 场景：刷卡支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> microPay(Map<String, String> reqData) throws Exception {
return this.microPay(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：提交刷卡支付<br>
* 场景：刷卡支付
* @param reqData 向wxpay post的请求数据
* @param connectTimeoutMs 连接超时时间，单位是毫秒
* @param readTimeoutMs 读超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public Map<String, String> microPay(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_MICROPAY_URL_SUFFIX;
}
else {
url = WXPayConstants.MICROPAY_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 提交刷卡支付，针对软POS，尽可能做成功
* 内置重试机制，最多60s
* @param reqData
* @return
* @throws Exception
*/
public Map<String, String> microPayWithPos(Map<String, String> reqData) throws Exception {
return this.microPayWithPos(reqData, this.config.getHttpConnectTimeoutMs());
}
/**
* 提交刷卡支付，针对软POS，尽可能做成功
* 内置重试机制，最多60s
* @param reqData
* @param connectTimeoutMs
* @return
* @throws Exception
*/
public Map<String, String> microPayWithPos(Map<String, String> reqData, int connectTimeoutMs) throws Exception {
int remainingTimeMs = 60*1000;
long startTimestampMs = 0;
Map<String, String> lastResult = null;
Exception lastException = null;
while (true) {
startTimestampMs = WXPayUtil.getCurrentTimestampMs();
int readTimeoutMs = remainingTimeMs - connectTimeoutMs;
if (readTimeoutMs > 1000) {
try {
lastResult = this.microPay(reqData, connectTimeoutMs, readTimeoutMs);
String returnCode = lastResult.get("return_code");
if (returnCode.equals("SUCCESS")) {
String resultCode = lastResult.get("result_code");
String errCode = lastResult.get("err_code");
if (resultCode.equals("SUCCESS")) {
break;
}
else {
// 看错误码，若支付结果未知，则重试提交刷卡支付
if (errCode.equals("SYSTEMERROR") || errCode.equals("BANKERROR") || errCode.equals("USERPAYING")) {
remainingTimeMs = remainingTimeMs - (int)(WXPayUtil.getCurrentTimestampMs() - startTimestampMs);
if (remainingTimeMs <= 100) {
break;
}
else {
WXPayUtil.getLogger().info("microPayWithPos: try micropay again");
if (remainingTimeMs > 5*1000) {
Thread.sleep(5*1000);
}
else {
Thread.sleep(1*1000);
}
continue;
}
}
else {
break;
}
}
}
else {
break;
}
}
catch (Exception ex) {
lastResult = null;
lastException = ex;
}
}
else {
break;
}
}
if (lastResult == null) {
throw lastException;
}
else {
return lastResult;
}
}
/**
* 作用：统一下单<br>
* 场景：公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> unifiedOrder(Map<String, String> reqData) throws Exception {
return this.unifiedOrder(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：统一下单<br>
* 场景：公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据
* @param connectTimeoutMs 连接超时时间，单位是毫秒
* @param readTimeoutMs 读超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public Map<String, String> unifiedOrder(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_UNIFIEDORDER_URL_SUFFIX;
}
else {
url = WXPayConstants.UNIFIEDORDER_URL_SUFFIX;
}
if(this.notifyUrl != null) {
reqData.put("notify_url", this.notifyUrl);
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：查询订单<br>
* 场景：刷卡支付、公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> orderQuery(Map<String, String> reqData) throws Exception {
return this.orderQuery(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：查询订单<br>
* 场景：刷卡支付、公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据 int
* @param connectTimeoutMs 连接超时时间，单位是毫秒
* @param readTimeoutMs 读超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public Map<String, String> orderQuery(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_ORDERQUERY_URL_SUFFIX;
}
else {
url = WXPayConstants.ORDERQUERY_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：撤销订单<br>
* 场景：刷卡支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> reverse(Map<String, String> reqData) throws Exception {
return this.reverse(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：撤销订单<br>
* 场景：刷卡支付<br>
* 其他：需要证书
* @param reqData 向wxpay post的请求数据
* @param connectTimeoutMs 连接超时时间，单位是毫秒
* @param readTimeoutMs 读超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public Map<String, String> reverse(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_REVERSE_URL_SUFFIX;
}
else {
url = WXPayConstants.REVERSE_URL_SUFFIX;
}
String respXml = this.requestWithCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：关闭订单<br>
* 场景：公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> closeOrder(Map<String, String> reqData) throws Exception {
return this.closeOrder(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：关闭订单<br>
* 场景：公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据
* @param connectTimeoutMs 连接超时时间，单位是毫秒
* @param readTimeoutMs 读超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public Map<String, String> closeOrder(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_CLOSEORDER_URL_SUFFIX;
}
else {
url = WXPayConstants.CLOSEORDER_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：申请退款<br>
* 场景：刷卡支付、公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> refund(Map<String, String> reqData) throws Exception {
return this.refund(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：申请退款<br>
* 场景：刷卡支付、公共号支付、扫码支付、APP支付<br>
* 其他：需要证书
* @param reqData 向wxpay post的请求数据
* @param connectTimeoutMs 连接超时时间，单位是毫秒
* @param readTimeoutMs 读超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public Map<String, String> refund(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_REFUND_URL_SUFFIX;
}
else {
url = WXPayConstants.REFUND_URL_SUFFIX;
}
String respXml = this.requestWithCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：退款查询<br>
* 场景：刷卡支付、公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> refundQuery(Map<String, String> reqData) throws Exception {
return this.refundQuery(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：退款查询<br>
* 场景：刷卡支付、公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据
* @param connectTimeoutMs 连接超时时间，单位是毫秒
* @param readTimeoutMs 读超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public Map<String, String> refundQuery(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_REFUNDQUERY_URL_SUFFIX;
}
else {
url = WXPayConstants.REFUNDQUERY_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：对账单下载（成功时返回对账单数据，失败时返回XML格式数据）<br>
* 场景：刷卡支付、公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> downloadBill(Map<String, String> reqData) throws Exception {
return this.downloadBill(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：对账单下载<br>
* 场景：刷卡支付、公共号支付、扫码支付、APP支付<br>
* 其他：无论是否成功都返回Map。若成功，返回的Map中含有return_code、return_msg、data，
* 其中return_code为`SUCCESS`，data为对账单数据。
* @param reqData 向wxpay post的请求数据
* @param connectTimeoutMs 连接超时时间，单位是毫秒
* @param readTimeoutMs 读超时时间，单位是毫秒
* @return 经过封装的API返回数据
* @throws Exception
*/
public Map<String, String> downloadBill(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_DOWNLOADBILL_URL_SUFFIX;
}
else {
url = WXPayConstants.DOWNLOADBILL_URL_SUFFIX;
}
String respStr = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs).trim();
Map<String, String> ret;
// 出现错误，返回XML数据
if (respStr.indexOf("<") == 0) {
ret = WXPayUtil.xmlToMap(respStr);
}
else {
// 正常返回csv数据
ret = new HashMap<String, String>();
ret.put("return_code", WXPayConstants.SUCCESS);
ret.put("return_msg", "ok");
ret.put("data", respStr);
}
return ret;
}
/**
* 作用：交易保障<br>
* 场景：刷卡支付、公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> report(Map<String, String> reqData) throws Exception {
return this.report(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：交易保障<br>
* 场景：刷卡支付、公共号支付、扫码支付、APP支付
* @param reqData 向wxpay post的请求数据
* @param connectTimeoutMs 连接超时时间，单位是毫秒
* @param readTimeoutMs 读超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public Map<String, String> report(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_REPORT_URL_SUFFIX;
}
else {
url = WXPayConstants.REPORT_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return WXPayUtil.xmlToMap(respXml);
}
/**
* 作用：转换短链接<br>
* 场景：刷卡支付、扫码支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> shortUrl(Map<String, String> reqData) throws Exception {
return this.shortUrl(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：转换短链接<br>
* 场景：刷卡支付、扫码支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> shortUrl(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_SHORTURL_URL_SUFFIX;
}
else {
url = WXPayConstants.SHORTURL_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：授权码查询OPENID接口<br>
* 场景：刷卡支付
* @param reqData 向wxpay post的请求数据
* @return API返回数据
* @throws Exception
*/
public Map<String, String> authCodeToOpenid(Map<String, String> reqData) throws Exception {
return this.authCodeToOpenid(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：授权码查询OPENID接口<br>
* 场景：刷卡支付
* @param reqData 向wxpay post的请求数据
* @param connectTimeoutMs 连接超时时间，单位是毫秒
* @param readTimeoutMs 读超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public Map<String, String> authCodeToOpenid(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_AUTHCODETOOPENID_URL_SUFFIX;
}
else {
url = WXPayConstants.AUTHCODETOOPENID_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
} // end classpackage cn.stylefeng.guns.core.util.sdk;
import java.io.InputStream;
public abstract class WXPayConfig {
/**
* 获取 App ID
*
* @return App ID
*/
abstract String getAppID();
/**
* 获取 Mch ID
*
* @return Mch ID
*/
abstract String getMchID();
/**
* 获取 API 密钥
*
* @return API密钥
*/
abstract String getKey();
/**
* 获取商户证书内容
*
* @return 商户证书内容
*/
abstract InputStream getCertStream();
/**
* HTTP(S) 连接超时时间，单位毫秒
*
* @return
*/
public int getHttpConnectTimeoutMs() {
return 6*1000;
}
/**
* HTTP(S) 读数据超时时间，单位毫秒
*
* @return
*/
public int getHttpReadTimeoutMs() {
return 8*1000;
}
/**
* 获取WXPayDomain, 用于多域名容灾自动切换
* @return
*/
abstract IWXPayDomain getWXPayDomain();
/**
* 是否自动上报。
* 若要关闭自动上报，子类中实现该函数返回 false 即可。
*
* @return
*/
public boolean shouldAutoReport() {
return true;
}
/**
* 进行健康上报的线程的数量
*
* @return
*/
public int getReportWorkerNum() {
return 6;
}
/**
* 健康上报缓存消息的最大数量。会有线程去独立上报
* 粗略计算：加入一条消息200B，10000消息占用空间 2000 KB，约为2MB，可以接受
*
* @return
*/
public int getReportQueueMaxSize() {
return 10000;
}
/**
* 批量上报，一次最多上报多个数据
*
* @return
*/
public int getReportBatchSize() {
return 10;
}
}package cn.stylefeng.guns.core.util.sdk;
import org.apache.http.client.HttpClient;
/**
* 常量
*/
public class WXPayConstants {
public enum SignType {
MD5, HMACSHA256
}
public static final String DOMAIN_API = "api.mch.weixin.qq.com";
public static final String DOMAIN_API2 = "api2.mch.weixin.qq.com";
public static final String DOMAIN_APIHK = "apihk.mch.weixin.qq.com";
public static final String DOMAIN_APIUS = "apius.mch.weixin.qq.com";
public static final String TRANSFERS_URL_SUFFIX = "/mmpaymkttransfers/promotion/transfers";
public static final String SANDBOX_SENDREDPACK_URL_SUFFIX = "/sandboxnew/mmpaymkttransfers/sendredpack";
public static final String SANDBOX_TRANSFERS_URL_SUFFIX = "/sandboxnew/mmpaymkttransfers/promotion/transfers";
public static final String FAIL = "FAIL";
public static final String SUCCESS = "SUCCESS";
public static final String HMACSHA256 = "HMAC-SHA256";
public static final String MD5 = "MD5";
public static final String FIELD_SIGN = "sign";
public static final String FIELD_SIGN_TYPE = "sign_type";
public static final String WXPAYSDK_VERSION = "WXPaySDK/3.0.9";
public static final String USER_AGENT = WXPAYSDK_VERSION +
" (" + System.getProperty("os.arch") + " " + System.getProperty("os.name") + " " + System.getProperty("os.version") +
") Java/" + System.getProperty("java.version") + " HttpClient/" + HttpClient.class.getPackage().getImplementationVersion();
public static final String MICROPAY_URL_SUFFIX = "/pay/micropay";
public static final String UNIFIEDORDER_URL_SUFFIX = "/pay/unifiedorder";
public static final String ORDERQUERY_URL_SUFFIX = "/pay/orderquery";
public static final String REVERSE_URL_SUFFIX = "/secapi/pay/reverse";
public static final String CLOSEORDER_URL_SUFFIX = "/pay/closeorder";
public static final String REFUND_URL_SUFFIX = "/secapi/pay/refund";
public static final String REFUNDQUERY_URL_SUFFIX = "/pay/refundquery";
public static final String DOWNLOADBILL_URL_SUFFIX = "/pay/downloadbill";
public static final String REPORT_URL_SUFFIX = "/payitil/report";
public static final String SHORTURL_URL_SUFFIX = "/tools/shorturl";
public static final String AUTHCODETOOPENID_URL_SUFFIX = "/tools/authcodetoopenid";
// sandbox
public static final String SANDBOX_MICROPAY_URL_SUFFIX = "/sandboxnew/pay/micropay";
public static final String SANDBOX_UNIFIEDORDER_URL_SUFFIX = "/sandboxnew/pay/unifiedorder";
public static final String SANDBOX_ORDERQUERY_URL_SUFFIX = "/sandboxnew/pay/orderquery";
public static final String SANDBOX_REVERSE_URL_SUFFIX = "/sandboxnew/secapi/pay/reverse";
public static final String SANDBOX_CLOSEORDER_URL_SUFFIX = "/sandboxnew/pay/closeorder";
public static final String SANDBOX_REFUND_URL_SUFFIX = "/sandboxnew/secapi/pay/refund";
public static final String SANDBOX_REFUNDQUERY_URL_SUFFIX = "/sandboxnew/pay/refundquery";
public static final String SANDBOX_DOWNLOADBILL_URL_SUFFIX = "/sandboxnew/pay/downloadbill";
public static final String SANDBOX_REPORT_URL_SUFFIX = "/sandboxnew/payitil/report";
public static final String SANDBOX_SHORTURL_URL_SUFFIX = "/sandboxnew/tools/shorturl";
public static final String SANDBOX_AUTHCODETOOPENID_URL_SUFFIX = "/sandboxnew/tools/authcodetoopenid";
}package cn.stylefeng.guns.core.util.sdk;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.BasicHttpClientConnectionManager;
import org.apache.http.util.EntityUtils;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadFactory;
/**
* 交易保障
*/
public class WXPayReport {
public static class ReportInfo {
/**
* 布尔变量使用int。0为false， 1为true。
*/
// 基本信息
private String version = "v1";
private String sdk = WXPayConstants.WXPAYSDK_VERSION;
private String uuid; // 交易的标识
private long timestamp; // 上报时的时间戳，单位秒
private long elapsedTimeMillis; // 耗时，单位 毫秒
// 针对主域名
private String firstDomain; // 第1次请求的域名
private boolean primaryDomain; //是否主域名
private int firstConnectTimeoutMillis; // 第1次请求设置的连接超时时间，单位 毫秒
private int firstReadTimeoutMillis; // 第1次请求设置的读写超时时间，单位 毫秒
private int firstHasDnsError; // 第1次请求是否出现dns问题
private int firstHasConnectTimeout; // 第1次请求是否出现连接超时
private int firstHasReadTimeout; // 第1次请求是否出现连接超时
public ReportInfo(String uuid, long timestamp, long elapsedTimeMillis, String firstDomain, boolean primaryDomain, int firstConnectTimeoutMillis, int firstReadTimeoutMillis, boolean firstHasDnsError, boolean firstHasConnectTimeout, boolean firstHasReadTimeout) {
this.uuid = uuid;
this.timestamp = timestamp;
this.elapsedTimeMillis = elapsedTimeMillis;
this.firstDomain = firstDomain;
this.primaryDomain = primaryDomain;
this.firstConnectTimeoutMillis = firstConnectTimeoutMillis;
this.firstReadTimeoutMillis = firstReadTimeoutMillis;
this.firstHasDnsError = firstHasDnsError?1:0;
this.firstHasConnectTimeout = firstHasConnectTimeout?1:0;
this.firstHasReadTimeout = firstHasReadTimeout?1:0;
}
@Override
public String toString() {
return "ReportInfo{" +
"version='" + version + '\'' +
", sdk='" + sdk + '\'' +
", uuid='" + uuid + '\'' +
", timestamp=" + timestamp +
", elapsedTimeMillis=" + elapsedTimeMillis +
", firstDomain='" + firstDomain + '\'' +
", primaryDomain=" + primaryDomain +
", firstConnectTimeoutMillis=" + firstConnectTimeoutMillis +
", firstReadTimeoutMillis=" + firstReadTimeoutMillis +
", firstHasDnsError=" + firstHasDnsError +
", firstHasConnectTimeout=" + firstHasConnectTimeout +
", firstHasReadTimeout=" + firstHasReadTimeout +
'}';
}
/**
* 转换成 csv 格式
*
* @return
*/
public String toLineString(String key) {
String separator = ",";
Object[] objects = new Object[] {
version, sdk, uuid, timestamp, elapsedTimeMillis,
firstDomain, primaryDomain, firstConnectTimeoutMillis, firstReadTimeoutMillis,
firstHasDnsError, firstHasConnectTimeout, firstHasReadTimeout
};
StringBuffer sb = new StringBuffer();
for(Object obj: objects) {
sb.append(obj).append(separator);
}
try {
String sign = WXPayUtil.HMACSHA256(sb.toString(), key);
sb.append(sign);
return sb.toString();
}
catch (Exception ex) {
return null;
}
}
}
private static final String REPORT_URL = "http://report.mch.weixin.qq.com/wxpay/report/default";
// private static final String REPORT_URL = "http://127.0.0.1:5000/test";
private static final int DEFAULT_CONNECT_TIMEOUT_MS = 6*1000;
private static final int DEFAULT_READ_TIMEOUT_MS = 8*1000;
private LinkedBlockingQueue<String> reportMsgQueue = null;
private WXPayConfig config;
private ExecutorService executorService;
private volatile static WXPayReport INSTANCE;
private WXPayReport(final WXPayConfig config) {
this.config = config;
reportMsgQueue = new LinkedBlockingQueue<String>(config.getReportQueueMaxSize());
// 添加处理线程
executorService = Executors.newFixedThreadPool(config.getReportWorkerNum(), new ThreadFactory() {
public Thread newThread(Runnable r) {
Thread t = Executors.defaultThreadFactory().newThread(r);
t.setDaemon(true);
return t;
}
});
if (config.shouldAutoReport()) {
WXPayUtil.getLogger().info("report worker num: {}", config.getReportWorkerNum());
for (int i = 0; i < config.getReportWorkerNum(); ++i) {
executorService.execute(new Runnable() {
public void run() {
while (true) {
// 先用 take 获取数据
try {
StringBuffer sb = new StringBuffer();
String firstMsg = reportMsgQueue.take();
WXPayUtil.getLogger().info("get first report msg: {}", firstMsg);
String msg = null;
sb.append(firstMsg); //会阻塞至有消息
int remainNum = config.getReportBatchSize() - 1;
for (int j=0; j<remainNum; ++j) {
WXPayUtil.getLogger().info("try get remain report msg");
// msg = reportMsgQueue.poll(); // 不阻塞了
msg = reportMsgQueue.take();
WXPayUtil.getLogger().info("get remain report msg: {}", msg);
if (msg == null) {
break;
}
else {
sb.append("\n");
sb.append(msg);
}
}
// 上报
WXPayReport.httpRequest(sb.toString(), DEFAULT_CONNECT_TIMEOUT_MS, DEFAULT_READ_TIMEOUT_MS);
}
catch (Exception ex) {
WXPayUtil.getLogger().warn("report fail. reason: {}", ex.getMessage());
}
}
}
});
}
}
}
/**
* 单例，双重校验，请在 JDK 1.5及更高版本中使用
*
* @param config
* @return
*/
public static WXPayReport getInstance(WXPayConfig config) {
if (INSTANCE == null) {
synchronized (WXPayReport.class) {
if (INSTANCE == null) {
INSTANCE = new WXPayReport(config);
}
}
}
return INSTANCE;
}
public void report(String uuid, long elapsedTimeMillis,
String firstDomain, boolean primaryDomain, int firstConnectTimeoutMillis, int firstReadTimeoutMillis,
boolean firstHasDnsError, boolean firstHasConnectTimeout, boolean firstHasReadTimeout) {
long currentTimestamp = WXPayUtil.getCurrentTimestamp();
ReportInfo reportInfo = new ReportInfo(uuid, currentTimestamp, elapsedTimeMillis,
firstDomain, primaryDomain, firstConnectTimeoutMillis, firstReadTimeoutMillis,
firstHasDnsError, firstHasConnectTimeout, firstHasReadTimeout);
String data = reportInfo.toLineString(config.getKey());
WXPayUtil.getLogger().info("report {}", data);
if (data != null) {
reportMsgQueue.offer(data);
}
}
@Deprecated
private void reportSync(final String data) throws Exception {
httpRequest(data, DEFAULT_CONNECT_TIMEOUT_MS, DEFAULT_READ_TIMEOUT_MS);
}
@Deprecated
private void reportAsync(final String data) throws Exception {
new Thread(new Runnable() {
public void run() {
try {
httpRequest(data, DEFAULT_CONNECT_TIMEOUT_MS, DEFAULT_READ_TIMEOUT_MS);
}
catch (Exception ex) {
WXPayUtil.getLogger().warn("report fail. reason: {}", ex.getMessage());
}
}
}).start();
}
/**
* http 请求
* @param data
* @param connectTimeoutMs
* @param readTimeoutMs
* @return
* @throws Exception
*/
private static String httpRequest(String data, int connectTimeoutMs, int readTimeoutMs) throws Exception {
BasicHttpClientConnectionManager connManager;
connManager = new BasicHttpClientConnectionManager(
RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.getSocketFactory())
.register("https", SSLConnectionSocketFactory.getSocketFactory())
.build(),
null,
null,
null
);
HttpClient httpClient = HttpClientBuilder.create()
.setConnectionManager(connManager)
.build();
HttpPost httpPost = new HttpPost(REPORT_URL);
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(readTimeoutMs).setConnectTimeout(connectTimeoutMs).build();
httpPost.setConfig(requestConfig);
StringEntity postEntity = new StringEntity(data, "UTF-8");
httpPost.addHeader("Content-Type", "text/xml");
httpPost.addHeader("User-Agent", WXPayConstants.USER_AGENT);
httpPost.setEntity(postEntity);
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
return EntityUtils.toString(httpEntity, "UTF-8");
}
}package cn.stylefeng.guns.core.util.sdk;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.DefaultHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.BasicHttpClientConnectionManager;
import org.apache.http.util.EntityUtils;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import java.io.InputStream;
import java.net.SocketTimeoutException;
import java.net.UnknownHostException;
import java.security.KeyStore;
import java.security.SecureRandom;
import static cn.stylefeng.guns.core.util.sdk.WXPayConstants.USER_AGENT;
public class WXPayRequest {
private WXPayConfig config;
public WXPayRequest(WXPayConfig config) throws Exception {
this.config = config;
}
/**
* 请求，只请求一次，不做重试
* @param domain
* @param urlSuffix
* @param uuid
* @param data
* @param connectTimeoutMs
* @param readTimeoutMs
* @param useCert 是否使用证书，针对退款、撤销等操作
* @return
* @throws Exception
*/
private String requestOnce(final String domain, String urlSuffix, String uuid, String data, int connectTimeoutMs, int readTimeoutMs, boolean useCert) throws Exception {
BasicHttpClientConnectionManager connManager;
if (useCert) {
// 证书
char[] password = config.getMchID().toCharArray();
InputStream certStream = config.getCertStream();
KeyStore ks = KeyStore.getInstance("PKCS12");
ks.load(certStream, password);
// 实例化密钥库 & 初始化密钥工厂
KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
kmf.init(ks, password);
// 创建 SSLContext
SSLContext sslContext = SSLContext.getInstance("TLS");
sslContext.init(kmf.getKeyManagers(), null, new SecureRandom());
SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(
sslContext,
new String[]{"TLSv1"},
null,
new DefaultHostnameVerifier());
connManager = new BasicHttpClientConnectionManager(
RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.getSocketFactory())
.register("https", sslConnectionSocketFactory)
.build(),
null,
null,
null
);
}
else {
connManager = new BasicHttpClientConnectionManager(
RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.getSocketFactory())
.register("https", SSLConnectionSocketFactory.getSocketFactory())
.build(),
null,
null,
null
);
}
HttpClient httpClient = HttpClientBuilder.create()
.setConnectionManager(connManager)
.build();
String url = "https://" + domain + urlSuffix;
HttpPost httpPost = new HttpPost(url);
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(readTimeoutMs).setConnectTimeout(connectTimeoutMs).build();
httpPost.setConfig(requestConfig);
StringEntity postEntity = new StringEntity(data, "UTF-8");
httpPost.addHeader("Content-Type", "text/xml");
httpPost.addHeader("User-Agent", USER_AGENT + " " + config.getMchID());
httpPost.setEntity(postEntity);
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
return EntityUtils.toString(httpEntity, "UTF-8");
}
private String request(String urlSuffix, String uuid, String data, int connectTimeoutMs, int readTimeoutMs, boolean useCert, boolean autoReport) throws Exception {
Exception exception = null;
long elapsedTimeMillis = 0;
long startTimestampMs = WXPayUtil.getCurrentTimestampMs();
boolean firstHasDnsErr = false;
boolean firstHasConnectTimeout = false;
boolean firstHasReadTimeout = false;
IWXPayDomain.DomainInfo domainInfo = config.getWXPayDomain().getDomain(config);
if(domainInfo == null){
throw new Exception("WXPayConfig.getWXPayDomain().getDomain() is empty or null");
}
try {
String result = requestOnce(domainInfo.domain, urlSuffix, uuid, data, connectTimeoutMs, readTimeoutMs, useCert);
elapsedTimeMillis = WXPayUtil.getCurrentTimestampMs()-startTimestampMs;
config.getWXPayDomain().report(domainInfo.domain, elapsedTimeMillis, null);
WXPayReport.getInstance(config).report(
uuid,
elapsedTimeMillis,
domainInfo.domain,
domainInfo.primaryDomain,
connectTimeoutMs,
readTimeoutMs,
firstHasDnsErr,
firstHasConnectTimeout,
firstHasReadTimeout);
return result;
}
catch (UnknownHostException ex) { // dns 解析错误，或域名不存在
exception = ex;
firstHasDnsErr = true;
elapsedTimeMillis = WXPayUtil.getCurrentTimestampMs()-startTimestampMs;
WXPayUtil.getLogger().warn("UnknownHostException for domainInfo {}", domainInfo);
WXPayReport.getInstance(config).report(
uuid,
elapsedTimeMillis,
domainInfo.domain,
domainInfo.primaryDomain,
connectTimeoutMs,
readTimeoutMs,
firstHasDnsErr,
firstHasConnectTimeout,
firstHasReadTimeout
);
}
catch (ConnectTimeoutException ex) {
exception = ex;
firstHasConnectTimeout = true;
elapsedTimeMillis = WXPayUtil.getCurrentTimestampMs()-startTimestampMs;
WXPayUtil.getLogger().warn("connect timeout happened for domainInfo {}", domainInfo);
WXPayReport.getInstance(config).report(
uuid,
elapsedTimeMillis,
domainInfo.domain,
domainInfo.primaryDomain,
connectTimeoutMs,
readTimeoutMs,
firstHasDnsErr,
firstHasConnectTimeout,
firstHasReadTimeout
);
}
catch (SocketTimeoutException ex) {
exception = ex;
firstHasReadTimeout = true;
elapsedTimeMillis = WXPayUtil.getCurrentTimestampMs()-startTimestampMs;
WXPayUtil.getLogger().warn("timeout happened for domainInfo {}", domainInfo);
WXPayReport.getInstance(config).report(
uuid,
elapsedTimeMillis,
domainInfo.domain,
domainInfo.primaryDomain,
connectTimeoutMs,
readTimeoutMs,
firstHasDnsErr,
firstHasConnectTimeout,
firstHasReadTimeout);
}
catch (Exception ex) {
exception = ex;
elapsedTimeMillis = WXPayUtil.getCurrentTimestampMs()-startTimestampMs;
WXPayReport.getInstance(config).report(
uuid,
elapsedTimeMillis,
domainInfo.domain,
domainInfo.primaryDomain,
connectTimeoutMs,
readTimeoutMs,
firstHasDnsErr,
firstHasConnectTimeout,
firstHasReadTimeout);
}
config.getWXPayDomain().report(domainInfo.domain, elapsedTimeMillis, exception);
throw exception;
}
/**
* 可重试的，非双向认证的请求
* @param urlSuffix
* @param uuid
* @param data
* @return
*/
public String requestWithoutCert(String urlSuffix, String uuid, String data, boolean autoReport) throws Exception {
return this.request(urlSuffix, uuid, data, config.getHttpConnectTimeoutMs(), config.getHttpReadTimeoutMs(), false, autoReport);
}
/**
* 可重试的，非双向认证的请求
* @param urlSuffix
* @param uuid
* @param data
* @param connectTimeoutMs
* @param readTimeoutMs
* @return
*/
public String requestWithoutCert(String urlSuffix, String uuid, String data, int connectTimeoutMs, int readTimeoutMs, boolean autoReport) throws Exception {
return this.request(urlSuffix, uuid, data, connectTimeoutMs, readTimeoutMs, false, autoReport);
}
/**
* 可重试的，双向认证的请求
* @param urlSuffix
* @param uuid
* @param data
* @return
*/
public String requestWithCert(String urlSuffix, String uuid, String data, boolean autoReport) throws Exception {
return this.request(urlSuffix, uuid, data, config.getHttpConnectTimeoutMs(), config.getHttpReadTimeoutMs(), true, autoReport);
}
/**
* 可重试的，双向认证的请求
* @param urlSuffix
* @param uuid
* @param data
* @param connectTimeoutMs
* @param readTimeoutMs
* @return
*/
public String requestWithCert(String urlSuffix, String uuid, String data, int connectTimeoutMs, int readTimeoutMs, boolean autoReport) throws Exception {
return this.request(urlSuffix, uuid, data, connectTimeoutMs, readTimeoutMs, true, autoReport);
}
}package cn.stylefeng.guns.core.util.sdk;
import org.w3c.dom.Document;
import javax.xml.XMLConstants;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
/**
* 2018/7/3
*/
public final class WXPayXmlUtil {
public static DocumentBuilder newDocumentBuilder() throws ParserConfigurationException {
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
documentBuilderFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
documentBuilderFactory.setFeature("http://xml.org/sax/features/external-general-entities", false);
documentBuilderFactory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
documentBuilderFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
documentBuilderFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
documentBuilderFactory.setXIncludeAware(false);
documentBuilderFactory.setExpandEntityReferences(false);
return documentBuilderFactory.newDocumentBuilder();
}
public static Document newDocument() throws ParserConfigurationException {
return newDocumentBuilder().newDocument();
}
}五、微信支付成功后的回调接口，必须是外网可以访问的。
/**
*微信支付回调
*/
@RequestMapping("notify")
public String notify(HttpServletRequest request) {
log.info("================================================开始处理微信小程序发送的异步通知");
//1 获取微信支付异步回调结果
String xmlResult = WeiXinPayUtil.getPostStr(request);
Map<String, String> resultMap = null;
try {
//将结果转成map
resultMap = WXPayUtil.xmlToMap(xmlResult);
} catch (Exception e1) {
e1.printStackTrace();
}
//订单号
String orderNo = resultMap.get("out_trade_no");
log.info("订单号：------------------"+orderNo+"结束----------");
String result_code = resultMap.get("result_code");
//回调返回的加密签名 保存下来 下面会进行对比
String sign = resultMap.get("sign");
//去掉sign和利用微信回调回来的信息重新加密
resultMap.remove("sign");
String sign1="";
try {
//重新加密 获取加密的签名
sign1=WXPayUtil.generateSignature(resultMap, ConstantUtil.partnerKey); //签名
}catch (Exception e){
log.error("失败",e);
}
String resultCode;
String resultMsg;
//对比微信回调的加密与重新加密是否一致 一致即为通过 不一致说明呗改动过 加密不通过
log.info("==============================================开始对比加密++++++++++++++++++++++++++++++++++++++");
if (sign.equals(sign1)) { //验签通过
log.info("==============================================验签通过++++++++++++++++++++++++++++++++++++++");
if (resultMap.get("result_code").equals("SUCCESS")) {//业务结果为SUCCESS
/**
* 这里写你要处理的逻辑
*/
resultCode = "SUCCESS";
resultMsg = "成功";
} else { // 业务结果为FALL
resultCode = "FAIL";
resultMsg = "业务结果为FAIL";
}
} else {
resultCode = "FAIL";
resultMsg = "验签未通过";
}
Map<String, String> returnMap = new HashMap<>();
returnMap.put("return_code", resultCode);
returnMap.put("return_msg", resultMsg);
try {
String s = WXPayUtil.mapToXml(returnMap);
return s;
} catch (Exception e) {
e.printStackTrace();
return "";
}
}就只能帮到这里了，如有不会或者哪地方有疑问，请评论，本博主24小时在线解答。用到的工具类都在这里了。少的话请评论区评论。
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