感谢网络,感谢csdn每一位大佬。(参考并修改,忘记是哪一位大佬了。不好意思,初衷为了分享技术)效果图忘记保存了,就不展示了。
配置请求参数和日志文件
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 = "2018072060666596";
// 商户私钥,您的PKCS8格式RSA2私钥,官方有密钥生产工具,下载地址在下方
public static String merchant_private_key = "支付宝商户软件生成的私钥";
// 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 = "支付宝商户软件生成的公钥,并且要上传到支付宝开放者中心";
// 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 = "回调地址";//为防止未知的异常,后台业务逻辑收到异步通知后执行
// 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 = "http://localhost:80/alpay/index.jsp";//可忽略,但是不能注释
// 签名方式
public static String sign_type = "RSA2";
// 字符编码格式
public static String charset = "utf-8";
// 支付宝网关,此处注意下,沙箱测试和正式环境,网关是不同的,详情查看官方文档
public static String gatewayUrl = "https://openapi.alipay.com/gateway.do";
// 支付宝网关
public static String log_path = "E:\\";
//↑↑↑↑↑↑↑↑↑↑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();
}
}
}
}
}
拼接字符串并且回调
import java.io.IOException;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/NotifyServlet")
public class NotifyServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
Map<String, String[]> parameterMap = request.getParameterMap();
//业务处理
for (String key : parameterMap.keySet()) {
System.out.println("KEY:" + key + "--value:" + parameterMap.get(key));
}
//成功处理后返回success
request.getRequestDispatcher("index.jsp").forward(request,response);
}
}
提交请求给支付宝
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.response.AlipayTradePagePayResponse;
@WebServlet("/OrderServlet")
public class OrderServlet extends HttpServlet{
@Override
public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
System.out.println("开始处理OrderServlet的服务");
//创建订单,随意写了个类,把属性值写死了,这里就不贴代码了
Order order = new Order("1qertyuasd123","0.01","测试","测试");
//向支付宝发送请求
//获得初始化的AlipayClient
AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id,
AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key,
AlipayConfig.sign_type);
//设置请求参数
AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
alipayRequest.setReturnUrl(AlipayConfig.return_url);
alipayRequest.setNotifyUrl(AlipayConfig.notify_url);
//商户订单号,商户网站订单系统中唯一订单号,必填
String out_trade_no = order.getOrderID()+"";
//付款金额,必填
String total_amount = order.getOrderPay()+"";
//订单名称,必填
String subject = order.getOrderName();
//商品描述,可空
String body = order.getMessage();
alipayRequest.setBizContent("{\"out_trade_no\":\"" + out_trade_no + "\"," + "\"total_amount\":\""
+ total_amount + "\"," + "\"subject\":\"" + subject + "\"," + "\"body\":\"" + body + "\","
+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
//若想给BizContent增加其他可选请求参数,以增加自定义超时时间参数timeout_express来举例说明
//alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
// + "\"total_amount\":\""+ total_amount +"\","
// + "\"subject\":\""+ subject +"\","
// + "\"body\":\""+ body +"\","
// + "\"timeout_express\":\"10m\","
// + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
//请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节
AlipayTradePagePayResponse alipayResponse = null;
try {
alipayResponse=alipayClient.pageExecute(alipayRequest);
System.out.println(alipayResponse.getBody());
System.out.println(alipayResponse.getMsg());
} catch (AlipayApiException e) {
e.printStackTrace();
}
response.setContentType("text/html;charset=UTF-8");
response.getWriter().write(alipayResponse.getBody());
}
}