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Java利用沙箱支付实现电脑扫码支付教程

时间：2022-12-28 09:38:45|栏目：JAVA代码|点击： 次

一、准备工作

1、注册支付宝开放平台账号，成为开发者。

地址：https://open.alipay.com/platform/home.htm

2、进入沙箱，进行配置。

3.我们可以看到这个界面

4.后面需要使用的参数

  • APPID
  • 商户私钥（使用系统默认密钥的公钥模式，点击查看获取）
  • 支付宝公钥
  • 支付宝网关

5、手机上下载沙箱支付宝 （到时候支付用这个支付宝支付）

6、下载好支付宝沙箱版后，登录支付宝提供的账号

二、效果展示

1、随手写的一个前台vue界面

2、进入确定订单界面，可以添加商品描述

3、跳转支付界面，利用沙箱支付宝完成支付

4、完成支付

5、跳回自己设置的界面

三、实现代码

3.1 后台代码

（我这里利用的是SpringBoot集成的SSM,当然不使用SpringBoot也可以）

3.1.1 pom.xml文件

不用全部的，重点是 ：支付宝sdk包、fastjson

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.zking</groupId>
    <artifactId>springboot02</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>springboot02</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <spring-boot.version>2.1.18.RELEASE</spring-boot.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.4</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.44</version>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter</artifactId>
            <version>RELEASE</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper-spring-boot-starter</artifactId>
            <version>1.4.1</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-aop</artifactId>
            <version>2.6.2</version>
        </dependency>

		<!-- 支付宝sdk包 -->
        <dependency>
            <groupId>com.alipay.sdk</groupId>
            <artifactId>alipay-sdk-java</artifactId>
            <version>3.1.0</version>
        </dependency>

        <!-- fastjson -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.48</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>

        <!-- https://mvnrepository.com/artifact/com.alibaba/druid -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.2.6</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/log4j/log4j -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>




    </dependencies>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
            <!-- mvn mybatis-generator:generate -->
            <plugin>
                <groupId>org.mybatis.generator</groupId>
                <artifactId>mybatis-generator-maven-plugin</artifactId>
                <version>1.3.2</version>
                <configuration>
                    <verbose>true</verbose>
                    <overwrite>true</overwrite>
                    <!--配置文件的位置-->
                    <configurationFile>src/main/resources/generatorConfig.xml</configurationFile>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.1.18.RELEASE</version>
                <configuration>
                    <mainClass>com.zking.springboot02.Springboot02Application</mainClass>
                </configuration>
                <executions>
                    <execution>
                        <id>repackage</id>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>

3.1.2 model包

package com.zking.springboot02.model;

import lombok.Data;



/**
 * 支付实体对象
 * 根据支付宝接口协议，其中的属性名，必须使用下划线，不能修改
 * 
 * @author 借我丹青妙笔
 */
@Data
public class AlipayBean {

    private static final long serialVersionUID = 1L;

    /**
     * 商户订单号，必填
     *
     */
    private String out_trade_no;
    /**
     * 订单名称，必填
     */
    private String subject;
    /**
     * 付款金额，必填
     * 根据支付宝接口协议，必须使用下划线
     */
    private String total_amount;
    /**
     * 商品描述，可空
     */
    private String body;
    /**
     * 超时时间参数
     */
    private String timeout_express= "10m";
    /**
     * 产品编号
     */
    private String product_code= "FAST_INSTANT_TRADE_PAY";


    public String getOut_trade_no() {
        return out_trade_no;
    }

    public void setOut_trade_no(String out_trade_no) {
        this.out_trade_no = out_trade_no;
    }

    public String getSubject() {
        return subject;
    }

    public void setSubject(String subject) {
        this.subject = subject;
    }

    public String getTotal_amount() {
        return total_amount;
    }

    public void setTotal_amount(String total_amount) {
        this.total_amount = total_amount;
    }

    public String getBody() {
        return body;
    }

    public void setBody(String body) {
        this.body = body;
    }
}

3.1.3 utils包AlipayConfig类

（请配置好该类,防止报错）

  1. appId：APPID,沙箱应用提供的
  2. privateKey: 商户私钥,点击公钥证书查看
  3. returnUrl : 支付完成后跳转的页面，例如我填的是：http://localhost:8088/
package com.zking.springboot02.utils;

import lombok.Data;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Component;

/**
 * 配置文件读取
 *
 */
@Configuration
@Data
@Component
public class AlipayConfig {

    /**
     * 应用ID,您的APPID，收款账号既是您的APPID对应支付宝账号
     */
    private String appId = "";

    /**
     * 商户私钥，您的PKCS8格式RSA2私钥
     */
    private String privateKey = "";

    /**
     * 支付宝公钥,
     */
    private String publicKey = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyqAN9WzWigim0/3fBK97RFZ7Juu31+DfXMVHTHSTP+4WPvr80zTiIQmT9xTFVGBgD8BBX0XELxqLQxsYQm/MgEgccHTnCKPP7Ci979YuwZyjOysdTc6BNO/6RqPZruih6wSYDJNuJUgY/hwuWi+owUDbHL7NvZ8r/TaIJvEzzhJVrTMsIBQBe66LRE7gE2avwEV8Qck9e4yexsDUD7ja1+2T1ltfHAP2u/SBOD+7PkkPgVkINPDHt4bXZ9DIhPhosiw8IidEEniXj/Ku1wtgETll/btJljhhXq98JHBlw94+yx+BQ+9s2S2CjXkxfdZDB9s+jFy80e6UIV76xxfB0QIDAQAB";

    /**
     * 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
     */
    private String notifyUrl = "https://www.duan33f.top";

    /**
     * 页面跳转同步通知页面路径 需http://格式的完整路径.
     * 支付完成后返回的地址
     */
    private String returnUrl = "";

    /**
     * 签名方式
     */
    private String signType = "RSA2";

    /**
     * 字符编码格式
     */
    private String charset = "utf-8";

    /**
     * 支付宝网关
     */
    private String gatewayUrl = "https://openapi.alipaydev.com/gateway.do";

    /**
     * 支付宝网关
     */
    private String logPath = "C:\\";
}

Alipay类

package com.zking.springboot02.utils;

import com.alibaba.fastjson.JSON;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.zking.springboot02.model.AlipayBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;

/**
 * 支付宝支付接口
 * @author 借我丹青妙笔
 */
@Component
public class Alipay {

    @Autowired
    private AlipayConfig alipayConfig;

    /**
     * 支付接口
     * @param alipayBean
     * @return
     * @throws AlipayApiException
     */
    public String pay(AlipayBean alipayBean) throws AlipayApiException {
        // 1、获得初始化的AlipayClient
        String serverUrl = alipayConfig.getGatewayUrl();
        String appId = alipayConfig.getAppId();
        String privateKey = alipayConfig.getPrivateKey();
        String format = "json";
        String charset = alipayConfig.getCharset();
        String alipayPublicKey = alipayConfig.getPublicKey();
        String signType = alipayConfig.getSignType();
        String returnUrl = alipayConfig.getReturnUrl();
        String notifyUrl = alipayConfig.getNotifyUrl();
        //System.out.println(appId);
        AlipayClient alipayClient = new DefaultAlipayClient(serverUrl, appId, privateKey, format, charset, alipayPublicKey, signType);
        // 2、设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        // 页面跳转同步通知页面路径
        alipayRequest.setReturnUrl(returnUrl);
        // 服务器异步通知页面路径
        alipayRequest.setNotifyUrl(notifyUrl);
        // 封装参数
        alipayRequest.setBizContent(JSON.toJSONString(alipayBean));
        // 3、请求支付宝进行付款，并获取支付结果
        String result = alipayClient.pageExecute(alipayRequest).getBody();
        // 返回付款信息
        return result;
    }
}

3.1.4 Service包

PayService接口

package com.zking.springboot02.service;


import com.alipay.api.AlipayApiException;
import com.zking.springboot02.model.AlipayBean;

/**
 * 支付服务
 * @author 借我丹青妙笔
 * @date Dec 12, 2018
 */

public interface PayService {

    /**
     * 支付宝支付接口
     * @param alipayBean
     * @return
     * @throws AlipayApiException
     */
    String aliPay(AlipayBean alipayBean) throws AlipayApiException;

}

PayServiceImpl类

package com.zking.springboot02.service.impl;

import com.alipay.api.AlipayApiException;
import com.zking.springboot02.model.AlipayBean;
import com.zking.springboot02.service.PayService;
import com.zking.springboot02.utils.Alipay;

import org.springframework.stereotype.Service;

import javax.annotation.Resource;

@Service
public class PayServiceImpl implements PayService {

    @Resource
    private Alipay alipay;


    @Override
    public String aliPay(AlipayBean alipayBean) throws AlipayApiException {
        return alipay.pay(alipayBean);
    }
}

3.1.5 contorller包

payController类

package com.zking.springboot02.contorller;

import com.alipay.api.AlipayApiException;
import com.zking.springboot02.model.AlipayBean;
import com.zking.springboot02.service.PayService;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.Map;

@RestController
@RequestMapping("/pay")
@CrossOrigin
public class PayController {

    @Resource
    private PayService payService;

    /**
     * 阿里支付
     * @param alipayBean
     * @return
     * @throws AlipayApiException
     */
    @PostMapping("/alipay")
    public Map alipay(AlipayBean alipayBean) throws AlipayApiException {
        System.out.println(alipayBean);
        Map<String,Object> map = new HashMap<String,Object>();


        String str = payService.aliPay(alipayBean);
        System.out.println(str);
        map.put("msg",str);
        map.put("code",0);
//
        return map;
    }




}

3.1.6 application.yml文件

server:
  port: 8080 #端口号
  servlet:
    context-path: /s02 #项目名

3.2 前台代码

（前台是利用脚手架搭建的Vue项目）

3.2.1 src下api包下action.js文件

/**
 * 对后台请求的地址的封装，URL格式如下：
 * 模块名_实体名_操作
 */
export default {
	//服务器
	'SERVER': 'http://localhost:8080/s02',


   'alipay' : 'http://localhost:8080/s02/pay/alipay',

	//获得请求的完整地址，用于mockjs测试时使用
	'getFullPath': k => {
		return this.SERVER + this[k];
	}
}

3.2.2 src下api包下http.js文件

/**
 * vue项目对axios的全局配置
 */
import axios from 'axios'
import qs from 'qs'

//引入action模块，并添加至axios的类属性urls上
import action from '@/api/action'
axios.urls = action

// axios默认配置
axios.defaults.timeout = 10000; // 超时时间
// axios.defaults.baseURL = 'http://localhost:8080/crm'; // 默认地址
axios.defaults.baseURL = action.SERVER;

//整理数据
// 只适用于 POST,PUT,PATCH，transformRequest` 允许在向服务器发送前，修改请求数据
axios.defaults.transformRequest = function(data) {
	data = qs.stringify(data);
	return data;
};


// 请求拦截器
axios.interceptors.request.use(function(config) {
	// let jwt = sessionStorage.getItem('jwt');
	// if (jwt) {
	// 	config.headers['jwt'] = jwt;
	// }
	return config;
}, function(error) {
	return Promise.reject(error);
});

// 响应拦截器
axios.interceptors.response.use(function(response) {
	return response;
}, function(error) {
	return Promise.reject(error);
});


export default axios;

3.2.3 src下router下index.js文件

import Vue from 'vue'
import Router from 'vue-router'
import Shop from '@/views/Shop'
import buy from '@/views/buy'

Vue.use(Router)

export default new Router({
  routes: [
    {
      path: '/',
      name: 'Shop',
      component: Shop
    },
    {
      path: '/buy',
      name: 'buy',
      component: buy
    }
  ]
})

3.2.4 src下views下Shop.vue文件

<template>
  <el-table :data="tableData" style="width: 100%">
    <el-table-column prop="out_trade_no" label="编号">
    </el-table-column>
    <el-table-column prop="subject" label="订单名称" >
    </el-table-column>
    <el-table-column prop="total_amount" label="付款金额">
    </el-table-column>
    <el-table-column  label="操作">
        <template slot-scope="scope">
          <el-button @click="toBuy(scope.row)" type="text" size="small">去支付</el-button>
        </template>
    </el-table-column>
  </el-table>

</template>

<script>
  export default {
    name: "Shop",
    data: function() {
      return {
        tableData: [{
          out_trade_no: '101',
          subject: 'Java从入门到入土',
          total_amount: 33
        }, {
          out_trade_no: '202',
          subject: 'Mysql删库跑路指南',
          total_amount: 44
        }, {
          out_trade_no: '303',
          subject: 'Java编程思想',
          total_amount: 89
        }, {
          out_trade_no: '404',
          subject: 'Java设计模式',
          total_amount: 56
        }]

      };
    },
    methods: {
      toBuy(row){
        console.log(row);
        //利用$router.push进行跳转
        this.$router.push({
          //path后面跟跳转的路由地址
          path: '/buy',
          //name后面跟跳转的路由名字（必须有亲测，不使用命名路由会传参失败）
          name: 'buy',
          params: {
            //imgsListsUrl2是自己定义的名字，this.imgsListsUrl是要被传递的值
            payInfo: row
          }
        })
      }

    },
    created: function() {

    }

  }
</script>

<style>
</style>

3.2.5 src下views下buy.vue文件

<template>
  <div class="main">
    <center>
      <div class="box">
        <h2>确定订单</h2>
        <el-form :model="payInfo" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
          <el-form-item label="订单号" prop="out_trade_no">
            <el-input v-model="payInfo.out_trade_no" readonly="true"></el-input>
          </el-form-item>
          <el-form-item label="商品名称" prop="subject">
            <el-input v-model="payInfo.subject" readonly="true"></el-input>
          </el-form-item>
          <el-form-item label="商品价格" prop="total_amount">
            <el-input v-model="payInfo.total_amount" readonly="true"></el-input>
          </el-form-item>
          <el-form-item label="商品描述" prop="body">
            <el-input v-model="payInfo.body"></el-input>
          </el-form-item>
          <el-button type="primary" plain @click="submit" style="width: 100%;" round>付款</el-button>
        </el-form>

      </div>

    </center>
  </div>
</template>
<script>
  //import axios from 'axios'
  export default {
    name: "buy",
    data() {
      return {
        payInfo: {
          out_trade_no: '',
          subject: '',
          total_amount: null,
          body: ''
        }
      }
    },
    mounted() {
    
      //this.$route.params.imgsListsUrl2是传过来的参数
      var time = new Date();
      this.payInfo = this.$route.params.payInfo
      this.payInfo.out_trade_no = time.getTime();
    },
    methods: {
      submit() {
       
        var url = this.axios.urls.alipay;//得到api下action.js中的alipay
        this.axios.post(url, this.payInfo).then(resp => {//调用后台方法
          console.log(resp);
          const divForm = document.getElementsByTagName('div')
          if (divForm.length) {
            document.body.removeChild(divForm[0])
          }
          const div = document.createElement('div')
          div.innerHTML = resp.data.msg // data就是接口返回的form 表单字符串
          document.body.appendChild(div)
          document.forms[0].setAttribute('target', '_blank') // 新开窗口跳转
          document.forms[0].submit()


        }).catch(resp => {

          console.log(resp);
        });


      }
    }
  }
</script>
<style scoped>
  .box {
    width: 800px;


  }

  .left {
    width: 85px;
    padding-top: 5px;
    font-size: 15px;
  }

  .right {
    width: 400px;
  }
</style>

3.2.6 src下main.js文件

import Vue from 'vue'
import ElementUI from 'element-ui' //新添加1
import 'element-ui/lib/theme-chalk/index.css' //新添加2，避免后期打包样式不同，要放在import App from './App';之前

import axios from '@/api/http'             //vue项目对axios的全局配置

import App from './App'
import router from './router'

import VueAxios from 'vue-axios' 
Vue.use(VueAxios,axios)

Vue.use(ElementUI)   //新添加3
Vue.config.productionTip = false

/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  components: { App },
  template: '<App/>'
})

OK,重要的代码已经完全提供了。

声明：实现沙箱支付可以让我们了解如何调用如支付宝的接口，让我们理解接口的调用。

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