微信公众号调用沙箱支付

沙箱支付

登录支付宝开放平台，选择底部沙箱支付
在这里插入图片描述下载密钥生成工具
生成应用私钥与公钥，上传沙箱支付，获得支付宝公钥

配置支付通知与支付回调地址
在这里插入图片描述

SpringBoot配置

yml文件

在这里插入图片描述这里的地址必须与沙箱配置的一样
controller

package com.zq.wx.controller;import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.zq.wx.entity.DonaEntity;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;//调用支付宝支付
@Controller
public class AlipayController {@Value("${alipay.appId}")private String appId;@Value("${alipay.appPrivateKey}")private String appPrivateKey;@Value("${alipay.charSet}")private String charSet;@Value("${alipay.alipayPublicKey}")private String alipayPublicKey;@Value("${alipay.signType}")private String signType;@Value("${alipay.getewayUrl}")private String getewayUrl;@Value("${alipay.notifyUrl}")private String notifyUrl;@Value("${alipay.returnUrl}")private String returnUrl;@Value("${alipay.format}")private String format;@ResponseBody@PostMapping("/alipay/pay")public String alipay(HttpSession session,@RequestBody DonaEntity donaEntity) throws AlipayApiException {//把dona_id项目id 放在session中session.setAttribute("dona_id",donaEntity.getDonaId());//生成订单号（支付宝的要求？）String time = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());String user = UUID.randomUUID().toString().replace("-","").toUpperCase();String OrderNum = time+user;//调用封装好的方法（给支付宝接口发送请求）return sendRequestToAlipay(OrderNum,donaEntity.getDonaMoney(),"测试商品");}/*参数1：订单号参数2：订单金额参数3：订单名称*///支付宝官方提供的接口private String sendRequestToAlipay(String outTradeNo, Float totalAmount, String subject) throws AlipayApiException {//获得初始化的AlipayClientAlipayClient alipayClient = new DefaultAlipayClient(getewayUrl,appId,appPrivateKey,format,charSet,alipayPublicKey,signType);//设置请求参数AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();//支付成功异步地址alipayRequest.setNotifyUrl(notifyUrl);alipayRequest.setReturnUrl(returnUrl);//商品描述（可空）String body="";alipayRequest.setBizContent("{\"out_trade_no\":\"" + outTradeNo + "\","+ "\"total_amount\":\"" + totalAmount + "\","+ "\"subject\":\"" + subject + "\","+ "\"body\":\"" + body + "\","+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");//请求String result = alipayClient.pageExecute(alipayRequest).getBody();return result;}//异步通知地址@RequestMapping("/alipay/notifyUrl")public String notifyUrl(){return "alipay/notify";}//回调地址@RequestMapping("/alipay/returnUrl")public String returnUrl(){return "alipay/return";}

前端html ajax 请求

// 发送 AJAX 请求$.ajax({url: '/alipay/pay', // 后端接收数据的接口地址type: 'POST', // 请求类型，通常是 POSTcontentType: 'application/json', // 告诉后端你发送的是 JSON 格式的数据data: JSON.stringify({ // 将 JavaScript 对象转换为 JSON 字符串donaId: 1008111,donaMoney: 100.00,}),success: function(response) {// 请求成功时的回调函数,沙箱返回html代码，这里要跳转新页面const div = document.createElement('divform');div.innerHTML = response;document.body.appendChild(div);document.forms['punchout_form'].setAttribute('target', '_blank')document.forms['punchout_form'].submit()},error: function(xhr, status, error) {// 请求失败时的回调函数console.error('Error:', error);}});