• 支付宝沙箱支付

  模拟支付宝支付，使用账号不需要任何资质

  账号也不需要开通任何权限

• 步骤一

  获得沙箱支付账号

  https://auth.alipay.com/login/ant_sso_index.htm?goto=https%3A%2F%2Fopen.alipay.com%2Fdevelop%2Fsandbox%2Faccount

  

  不能使用自己的支付宝账号进行测试，只能使用支付宝沙箱账号的商户账号和买家账号进行测试.

• 步骤二

  下载sdk，本文采用的电脑网页进行支付

  https://opendocs.alipay.com/open/200

        下载服务端SDK的通用版

• 步骤三

  Controller代码

  需要用到4个参数

  参数一：

  支付宝网关地址

  

    参数二:

    沙箱应用的id

   参数三：

    接口密钥的私钥

    参数四：

    支付宝公钥

代码如下:

package com.wanmait.demo.controller;

import com.alibaba.fastjson.JSONObject;
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;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

//支付宝支付接口
@Controller
@RequestMapping("/pay")
public class PayTest {


    private String serverUrl="https://openapi-sandbox.dl.alipaydev.com/gateway.do";
    private String appId="**********";
    private String privateKey="MIIEvgIBADANB********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";
    private String alipayPublicKey="MIIBIjANBgkqhkiG9w0*******AQEAjibbOHnkT0bebt0CqEBoUB6X/9gRLAV3lFcp3Fw4MxG2JnAYUhhf03a9F8GISDm9KD4jpth//O2Q1oOHK300W5JHJh8tsVqsf8QParA0K0VwgdUQPIJTATtE+03TSsUesvMZEbeOM/850Ei1buhFOFv3wfkgVgx1gQArYMenrMxpB2Akf8VXxYjEwB//4Y7uajQkAGWkeweJ5gw/HFIcAwHx6EVwuaZHNoSb0yG63a9XUDyV56feX1K03P0sDXe1p6HuRzY+f3Rjg6n3cAe41dJDySy0+tFyj+xO5hDa9thspcP6qQi8tN0jKmQPM1GrhMkWQtry/kr4F9N9mTFTGQIDAQAB";

    //创建订单接口
    @ResponseBody
    @GetMapping("/create")
    public String create(){
        //创建连接
        AlipayClient alipayClient = new DefaultAlipayClient(serverUrl,appId,privateKey,"json", "UTF-8",alipayPublicKey,"RSA2");
        AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();

        //订单信息
        JSONObject bizContent = new JSONObject();
        bizContent.put("out_trade_no", "202100012260166");//订单号
        bizContent.put("total_amount", 5.00);//订单金额
        bizContent.put("subject", "test");//订单名称
        bizContent.put("product_code", "FAST_INSTANT_TRADE_PAY");

        request.setBizContent(bizContent.toString());

        AlipayTradePagePayResponse response = null;
        try {
            response = alipayClient.pageExecute(request);
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        if(response.isSuccess()){

            //成功
            return  response.getBody();
        } else {
            //失败
            return  "调用失败";
        }

    }
}

看到如下网页，表示成功