maven pom需要引入的jar
<!--支付宝支付-->
<dependency>
<groupId>com.alipay.sdk</groupId>
<artifactId>alipay-sdk-java</artifactId>
<version>4.33.39.ALL</version>
</dependency>
支付宝相关配置类
import java.io.FileWriter;
import java.io.IOException;
/* *
*类名:AlipayConfig
*功能:基础配置类
*详细:设置帐户有关信息及返回路径
*修改日期:2017-04-05
*说明:
*以下代码只是为了方便商户测试而提供的样例代码,商户可以根据自己网站的需要,按照技术文档编写,并非一定要使用该代码。
*该代码仅供学习和研究支付宝接口使用,只是提供一个参考。
*/
public class AlipayConfig {
//↓↓↓↓↓↓↓↓↓↓请在这里配置您的基本信息↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
// 应用ID,您的APPID,收款账号既是您的APPID对应支付宝账号
public static String app_id = "2021000121663822";
//测试 "2021000121663822"
// 商户私钥,您的PKCS8格式RSA2私钥
public static String merchant_private_key = "应用私钥";
// 支付宝公钥,查看地址:https://openhome.alipay.com/platform/keyManage.htm 对应APPID下的支付宝公钥。
public static String alipay_public_key = "支付宝公钥";//不是应用公钥
// 服务器异步通知页面路径 需http://格式的完整路径,不能加?id=123这类自定义参数,必须外网可以正常访问
public static String notify_url = "服务器回调地址";//
// 页面跳转同步通知页面路径 需http://格式的完整路径,不能加?id=123这类自定义参数,必须外网可以正常访问
public static String return_url = "网页回调通知地址";
// 签名方式
public static String sign_type = "RSA2";
public static String json_type = "json";
// 字符编码格式
public static String charset = "utf-8";
// 支付宝网关
public static String gatewayUrl = "https://openapi.alipay.com/gateway.do";
//正式环境 "https://openapi.alipay.com/gateway.do";
//沙箱环境 "https://openapi.alipaydev.com/gateway.do"
// 支付宝网关
public static String log_path = "C:\\";
//↑↑↑↑↑↑↑↑↑↑请在这里配置您的基本信息↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑
/**
* 写日志,方便测试(看网站需求,也可以改成把记录存入数据库)
* @param sWord 要写入日志里的文本内容
*/
public static void logResult(String sWord) {
FileWriter writer = null;
try {
writer = new FileWriter(log_path + "alipay_log_" + System.currentTimeMillis()+".txt");
writer.write(sWord);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (writer != null) {
try {
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
支付调用工具类(内含 获取支付二维码链接,获取网页支付、查询订单信息、异步回调通知)
package com.ruoyi.common.utils.alipay;
import com.alibaba.fastjson2.JSONObject;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.domain.AlipayTradePagePayModel;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.request.AlipayTradePrecreateRequest;
import com.alipay.api.request.AlipayTradeQueryRequest;
import com.alipay.api.response.AlipayTradePrecreateResponse;
import com.alipay.api.response.AlipayTradeQueryResponse;
import com.ruoyi.common.utils.StringUtils;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
public class AlipayUtil {
public static void main(String[] angs) throws Exception{
JSONObject jsonObject = new JSONObject();
jsonObject.put("out_trade_no","5789678");
jsonObject.put("total_amount","88.88");
jsonObject.put("subject","网页支付测试");//标题
jsonObject.put("body","测试");
jsonObject.put("gatewayUrl",AlipayConfig.gatewayUrl);
jsonObject.put("app_id",AlipayConfig.app_id);
jsonObject.put("merchant_private_key",AlipayConfig.merchant_private_key);
jsonObject.put("alipay_public_key",AlipayConfig.alipay_public_key);
jsonObject.put("return_url",AlipayConfig.return_url);
jsonObject.put("notify_url ",AlipayConfig.notify_url );
//网页支付
getWebPay(null,jsonObject);
System.out.println("Error Message:" + getPayQrCode());
//获取二维码支付链接
getPayQrCode(jsonObject);
//查询订单交易信息(根据自定义订单编号)
String nny = alipayQuery("zzgka7bb413db72746f7a640");
System.out.println("Error Message:" + nny);
}
/**
* 网页支付
* @param response
* @param jsonObject
* @throws Exception
*/
public static void getWebPay(HttpServletResponse response,JSONObject jsonObject) throws Exception {
String out_trade_no = jsonObject.getString("out_trade_no");
String total_amount = jsonObject.getString("total_amount");
String subject = jsonObject.getString("subject");
String body = jsonObject.getString("body");
String gatewayUrl = jsonObject.getString("gatewayUrl");
String app_id = jsonObject.getString("app_id");
String merchant_private_key = jsonObject.getString("merchant_private_key");
String alipay_public_key = jsonObject.getString("alipay_public_key");
String return_url = jsonObject.getString("return_url");
String notify_url = jsonObject.getString("notify_url");
//获得初始化的AlipayClient
/*AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key,
AlipayConfig.json_type, AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);*/
AlipayClient alipayClient = new DefaultAlipayClient(gatewayUrl, app_id, merchant_private_key,
AlipayConfig.json_type, AlipayConfig.charset, alipay_public_key, AlipayConfig.sign_type);
//设置请求参数
AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
alipayRequest.setReturnUrl(return_url);
alipayRequest.setNotifyUrl(notify_url);
alipayRequest.setBizContent("{\"out_trade_no\":\"" + out_trade_no + "\","
+ "\"total_amount\":\"" + total_amount + "\","
+ "\"subject\":\"" + subject + "\","
+ "\"body\":\"" + body + "\","
+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
//请求
String result = alipayClient.pageExecute(alipayRequest).getBody();
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
//alipayClient.pageExecute(alipayRequest).getQrCode();
out.write(result);
out.close();
}
//扫码支付的实现代码
//下单返回链接:
public static String getPayQrCode(JSONObject jsonObject) throws Exception {
String out_trade_no = jsonObject.getString("out_trade_no");
String total_amount = jsonObject.getString("total_amount");
String subject = jsonObject.getString("subject");
String body = jsonObject.getString("body");
String timeout_express = jsonObject.getString("timeout_express");
String gatewayUrl = jsonObject.getString("gatewayUrl");
String app_id = jsonObject.getString("app_id");
String merchant_private_key = jsonObject.getString("merchant_private_key");
String alipay_public_key = jsonObject.getString("alipay_public_key");
String return_url = jsonObject.getString("return_url");
String notify_url = jsonObject.getString("notify_url");
//获得初始化的AlipayClient
/* AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key,
AlipayConfig.json_type, AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);*/
AlipayClient alipayClient = new DefaultAlipayClient(gatewayUrl, app_id, merchant_private_key,
AlipayConfig.json_type, AlipayConfig.charset, alipay_public_key, AlipayConfig.sign_type);
AlipayTradePrecreateRequest alipayRequest = new AlipayTradePrecreateRequest();
alipayRequest.setReturnUrl(return_url);
alipayRequest.setNotifyUrl(notify_url);
JSONObject bizContent = new JSONObject();
bizContent.put("out_trade_no", out_trade_no);
bizContent.put("total_amount", total_amount);
bizContent.put("subject", subject);
bizContent.put("body", body);
bizContent.put("timeout_express", timeout_express);//二维码有效时间 20m(20分钟,可以秒 分钟 天)
alipayRequest.setBizContent(bizContent.toString());
AlipayTradePrecreateResponse response = alipayClient.execute(alipayRequest);
if (response.isSuccess()) {
return response.getQrCode();
} else {
return response.getMsg() + "," + response.getSubCode();
}
}
/**
* 查询订单
* @param out_trade_no 自定义订单号
* @return
* @throws Exception
*/
public static String alipayQuery(String out_trade_no) throws Exception {
//获得初始化的AlipayClient
AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, AlipayConfig.json_type, AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);
//设置请求参数
AlipayTradeQueryRequest alipayRequest = new AlipayTradeQueryRequest();
JSONObject bizContent = new JSONObject();
bizContent.put("out_trade_no", out_trade_no);
bizContent.put("trade_no", "");
alipayRequest.setBizContent(bizContent.toString());
AlipayTradeQueryResponse alipayTradeQueryResponse = alipayClient.execute(alipayRequest);
if(alipayTradeQueryResponse.isSuccess()){
if(alipayTradeQueryResponse.getTradeStatus().equals("WAIT_BUYER_PAY")){
return "交易创建,等待买家付款";
}else if(alipayTradeQueryResponse.getTradeStatus().equals("TRADE_CLOSED")){
return "未付款交易超时关闭,或支付完成后全额退款";
} else if (alipayTradeQueryResponse.getTradeStatus().equals("TRADE_SUCCESS")) {
return "交易支付成功";
}else if(alipayTradeQueryResponse.getTradeStatus().equals("TRADE_FINISHED")){
return "交易结束,不可退款";
}
}else {
return alipayTradeQueryResponse.getMsg();
}
return alipayTradeQueryResponse.getBody();
}
//异步回调
public static boolean returnUrl(HttpServletRequest request) throws Exception {
/*response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();*/
//获取支付宝GET过来反馈信息
Map<String,String> params = new HashMap<String,String>();
Map<String,String[]> requestParams = request.getParameterMap();
for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
String name = (String) iter.next();
String[] values = (String[]) requestParams.get(name);
String valueStr = "";
for (int i = 0; i < values.length; i++) {
valueStr = (i == values.length - 1) ? valueStr + values[i] : valueStr + values[i] + ",";
}
valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
params.put(name, valueStr);
}
//System.out.println(params);
//调用SDK验证签名
boolean signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, "UTF-8",AlipayConfig.sign_type);
return signVerified;
/*if(signVerified) {
//支付宝交易号
String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");
String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");
out.write("trade_no:"+trade_no+","+"out_trade_no"+out_trade_no);
}else {
out.println("验签失败");
}*/
}
/**
* 将异步通知的参数转化为Map
* @param request
* @return
*/
public static Map<String, String> toMap(HttpServletRequest request) {
System.out.println(">>>>" + request.getQueryString());
Map<String, String> params = new HashMap<String, String>();
Map<String, String[]> requestParams = request.getParameterMap();
for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
String name = (String) iter.next();
String[] values = (String[]) requestParams.get(name);
String valueStr = "";
for (int i = 0; i < values.length; i++) {
valueStr = (i == values.length - 1) ? valueStr + values[i] : valueStr + values[i] + ",";
}
// 乱码解决,这段代码在出现乱码时使用。
// valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
params.put(name, valueStr);
}
return params;
}
}