1. 專案依賴
增加pom.xml檔案中增加依賴包。weixin-java-pay是GitHub開源的一個微信支付工具包
<dependency>
<groupId>com.github.binarywang</groupId>
<artifactId>weixin-java-pay</artifactId>
<version>3.0.0</version>
</dependency>
複製程式碼2. contorller程式碼
package com.xxx.sub.controller;
import com.github.binarywang.wxpay.bean.notify.WxPayNotifyResponse;
import com.github.binarywang.wxpay.bean.notify.WxPayOrderNotifyResult;
import com.github.binarywang.wxpay.bean.order.WxPayAppOrderResult;
import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderRequest;
import com.github.binarywang.wxpay.bean.result.WxPayBillBaseResult;
import com.github.binarywang.wxpay.config.WxPayConfig;
import com.github.binarywang.wxpay.exception.WxPayException;
import com.github.binarywang.wxpay.service.WxPayService;
import com.github.binarywang.wxpay.service.impl.WxPayServiceImpl;
import com.github.binarywang.wxpay.util.SignUtils;
import com.github.wxpay.sdk.WXPay;
import com.github.wxpay.sdk.WXPayConfig;
import com.github.wxpay.sdk.WXPayUtil;
import com.google.gson.Gson;
import com.xxx.sub.entity.SubWorkerInfoEntity;
import com.xxx.sub.entity.SysPayInfoEntity;
import com.xxx.sub.service.SubWorkerInfoServiceI;
import com.xxx.sub.service.SysPayInfoServiceI;
import com.xxx.sub.util.SubCodeUtil;
import com.sun.star.bridge.oleautomation.Decimal;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.apache.commons.io.IOUtils;
import org.apache.log4j.Logger;
import org.jeecgframework.core.common.controller.BaseController;
import org.jeecgframework.core.util.PropertiesUtil;
import org.jeecgframework.jwt.util.ResponseMessage;
import org.jeecgframework.jwt.util.Result;
import org.jeecgframework.p3.core.util.MD5Util;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.math.BigDecimal;
import java.util.*;
/**
* @Title: Controller
* @Description: 微信支付
* @author onlineGenerator
* @date 2018-02-07 17:45:09
* @version V1.0
*
*/
@Api(value="wxPayController",description="微信支付",tags="RESTWxPayController")
@Controller
@RequestMapping("/wxPayController")
public class RESTWxPayController extends BaseController {
/**
* Logger for this class
*/
private static final Logger logger = Logger.getLogger(RESTWxPayController.class);
@Autowired
WXPayConfig config;
@Autowired
private SubWorkerInfoServiceI subWorkerInfoService;
/**
* 產生訂單介面
* @param payType 支付型別
* @param id 支付資訊id
* @return
* @throws WxPayException
*/
@RequestMapping(value = "/generatePay/{payType}/{id}",method = RequestMethod.POST)
@ResponseBody
@ApiOperation(value="微信統一下單介面1")
public ResponseMessage<?> generatePay2(@ApiParam(required=true) @PathVariable(value="payType") String payType,@ApiParam(required=true) @PathVariable(value="id") String id) throws WxPayException {
String tradeNo = SubCodeUtil.getNum();
String busId = "123131313";
Integer fee = 1;
WxPayUnifiedOrderRequest.WxPayUnifiedOrderRequestBuilder builder = WxPayUnifiedOrderRequest.newBuilder();
WxPayUnifiedOrderRequest request = builder.body(payType)
.totalFee(fee).outTradeNo(tradeNo)
.productId("1000000123")
.spbillCreateIp("0.0.0.0")
.tradeType("APP").build();
request.setSignType("MD5");
WxPayService wxPayService = getWxPayService();
WxPayAppOrderResult o = wxPayService.createOrder(request);
System.out.println(o.toString());
// 儲存支付資訊到資料庫
SysPayInfoEntity payInfoEntity = new SysPayInfoEntity();
payInfoEntity.setBusId(Integer.valueOf(id));
payInfoEntity.setBusType(payType);
payInfoEntity.setBusCode(busId);
payInfoEntity.setCreateTime(new Date());
payInfoEntity.setOrderNo(tradeNo);
payInfoEntity.setPayState(0);//支付狀態：0未支付1支付成功2支付失敗3退款成功
payInfoEntity.setPayType("wxPay");
payInfoEntity.setOrderDetail(new Gson().toJson(0));
try {
sysPayInfoServiceI.save(payInfoEntity);
} catch (Exception e) {
e.printStackTrace();
}
return Result.success(o);
}
/**
* 接收支付返回的訊息
* @param
*/
@RequestMapping(value="/parseOrderNotifyResult",method = RequestMethod.POST)
@ApiOperation(value="接收支付返回的訊息")
@ResponseBody
public String parseOrderNotifyResult(HttpServletRequest request, HttpServletResponse response) {
System.out.println("============支付回撥開始");
try {
String xmlResult = IOUtils.toString(request.getInputStream(), request.getCharacterEncoding());
WxPayService wxPayService = getWxPayService();
WxPayOrderNotifyResult result = wxPayService.parseOrderNotifyResult(xmlResult);
System.out.println(result.toString());
// 結果正確
String orderId = result.getOutTradeNo();
String tradeNo = result.getTransactionId();
//String totalFee = WxPayBaseResult.feeToYuan(result.getTotalFee());
//自己處理訂單的業務邏輯，需要判斷訂單是否已經支付過，否則可能會重複呼叫
System.out.println("============支付回撥結束");
return WxPayNotifyResponse.success("處理成功!");
} catch (Exception e) {
logger.error("微信回撥結果異常,異常原因{}" + e.getMessage());
return WxPayNotifyResponse.fail(e.getMessage());
}
}
/**
* 載入配置檔案，生成微信payservice物件
* @return
*/
private WxPayService getWxPayService() {
PropertiesUtil util = new PropertiesUtil("wx.properties");
WxPayConfig payConfig = new WxPayConfig();
payConfig.setAppId(util.readProperty("appid"));
payConfig.setMchId(util.readProperty("mchid"));
payConfig.setMchKey(util.readProperty("mchkey"));
payConfig.setNotifyUrl(util.readProperty("notifyurl"));
WxPayService wxPayService = new WxPayServiceImpl();
wxPayService.setConfig(payConfig);
return wxPayService;
}
}
複製程式碼3. service、entity程式碼省略
service就是業務操作、entity主要是儲存支付訂單資訊的實體
4. util
package com.nyis.sub.util;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* 流水號生成
*/
public class SubCodeUtil {
/**
* 獲取現在時間
* @return返回字串格式yyyyMMddHHmmss
*/
public static String getStringDate() {
Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
String dateString = formatter.format(currentTime);
System.out.println("TIME:::"+dateString);
return dateString;
}
/**
* 由年月日時分秒+3位隨機數
* 生成流水號
* @return
*/
public static String getNum(){
String t = getStringDate();
int x=(int)(Math.random()*900)+100;
String serial = t + x;
return serial;
}
}
複製程式碼