460 lines
19 KiB
Java
460 lines
19 KiB
Java
package com.ruoyi.wx;
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import cn.hutool.core.util.CharsetUtil;
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import cn.hutool.core.util.IdUtil;
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import cn.hutool.core.util.StrUtil;
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import com.alibaba.fastjson.JSON;
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import com.ruoyi.annotation.TradePlatform;
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import com.ruoyi.config.CallbackConfig;
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import com.ruoyi.constant.PayConstant;
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import com.ruoyi.constant.Platform;
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import com.ruoyi.core.ElegentTrade;
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import com.ruoyi.dto.*;
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import com.ruoyi.exceptions.TradeException;
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import com.ruoyi.util.FileUtil;
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import com.wechat.pay.contrib.apache.httpclient.WechatPayHttpClientBuilder;
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import com.wechat.pay.contrib.apache.httpclient.auth.PrivateKeySigner;
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import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Credentials;
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import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Validator;
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import com.wechat.pay.contrib.apache.httpclient.cert.CertificatesManager;
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import com.wechat.pay.contrib.apache.httpclient.util.PemUtil;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.client.utils.URIBuilder;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.util.EntityUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import org.springframework.web.client.RestTemplate;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.net.URISyntaxException;
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import java.security.PrivateKey;
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import java.security.Signature;
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import java.util.Base64;
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import java.util.HashMap;
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import java.util.Map;
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@Component
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@Slf4j
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@TradePlatform(Platform.WX)
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public class WxPayElegentTrade implements ElegentTrade {
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@Autowired
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private WxpayConfig wxpayConfig;
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@Autowired
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private CallbackConfig callbackConfig;
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/**
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* 创建微信支付订单方法
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* 这里参考官网代码：
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* https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_4_1.shtml Native下单
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* https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_1_1.shtml JSAPI 下单
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* https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_3_1.shtml H5下单
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* https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_2_1.shtml APP下单
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* @param payRequest 支付请求
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* @return 支付响应
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* @throws IOException
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*/
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@Override
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public PayResponse requestPay(PayRequest payRequest, String tradeType)throws TradeException {
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PayResponse payResponse = new PayResponse(); //返回结果
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try {
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// 请求body参数构建
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Map<String, Object> params = new HashMap<String, Object>() {
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{
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put("mchid", wxpayConfig.getMchId());
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put("appid", wxpayConfig.getAppId());
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put("notify_url", callbackConfig.getDomain()+ PayConstant.CALLBACK_PATH + PayConstant.NOTIFY +"/"+ Platform.WX );
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put("out_trade_no", payRequest.getOrderSn());
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put("amount", new HashMap<String, Object>() {
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{
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put("total", payRequest.getTotalFee());//金额，单位：分
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put("currency", "CNY");//人民币
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}
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});
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put("description", payRequest.getBody());
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}
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};
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if("h5".equals(tradeType)){ //h5
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params.put("scene_info", new HashMap<String, Object>() {
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{
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put("payer_client_ip", "127.0.0.1");
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put("h5_info", new HashMap<String, Object>() {
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{
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put("type", "Wap");
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}
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});
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}
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});
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}
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if ("jsapi".equals(tradeType)) { //如果是小程序支付
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params.put("payer", new HashMap<String, Object>() {
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{
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put("openid", payRequest.getOpenid());
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}
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});
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}
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String url = WxpayConstant.createOrder + tradeType; //创建订单
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log.info("elegent-pay 请求参数{}",params);
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Map<String, String> map = postApiTemplate(url, params);
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if("SUCCESS".equals( map.get("code") )){
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payResponse.setOrder_sn(payRequest.getOrderSn());
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payResponse.setSuccess(true);
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payResponse.setCode_url(map.get("code_url"));
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payResponse.setMessage(map.get("message"));
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payResponse.setPrepay_id(map.get("prepay_id"));
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payResponse.setH5_url( map.get("h5_url") );
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payResponse.setExpand(map); //全部数据
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if("jsapi".equals(tradeType)){//如果是小程序，需要封装到Expand
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Map<String, String> data=new HashMap<>();
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String timeStamp = String.valueOf(System.currentTimeMillis() / 1000);
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String nonceStr = IdUtil.simpleUUID();
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String packages = "prepay_id=" + payResponse.getPrepay_id();
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String privateKey = FileUtil.readToStr("wxpay_private.key");
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String paySign = this.createPaySign(wxpayConfig.getAppId(), timeStamp, nonceStr, packages, privateKey);
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data.put("appId", wxpayConfig.getAppId());// appid
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data.put("timeStamp", timeStamp);// 时间戳
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data.put("nonceStr", nonceStr);// 随机字符串
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data.put("package","prepay_id="+payResponse.getPrepay_id());
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data.put("signType", "RSA");// 签名类型，默认为RSA，仅支持RSA
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data.put("paySign", paySign);// 签名
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data.put("orderNo",payRequest.getOrderSn());
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payResponse.setJsapiData(data);
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}
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log.info("createOrder: {}", payResponse);
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}else{
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payResponse.setSuccess(false);
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payResponse.setMessage( map.get("message") );
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}
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return payResponse;
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}catch (Exception e){
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e.printStackTrace();
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payResponse.setSuccess(false);
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}
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return payResponse;
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}
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/**
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* 关闭订单
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* 参考官网代码
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* https://pay.weixin.qq.com/wiki/doc/apiv3/open/pay/chapter2_7_2.shtml 3.2.5. 【服务端】关闭订单
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* @return
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*/
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@Override
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public Boolean closePay(String orderSn) throws TradeException {
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// 请求body参数构建
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Map<String, Object> params = new HashMap<String, Object>();
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params.put("mchid", wxpayConfig.getMchId());
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String url = WxpayConstant.closeOrder.replaceAll("\\{out_trade_no\\}",orderSn);
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Map map = postApiTemplate(url, params);
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if("SUCCESS".equals( map.get("code"))){
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return true;
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}else{
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return false;
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}
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}
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/**
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* 退款
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* 参考官网代码 https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_3_9.shtml
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* @param refundRequest
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* @return
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*/
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@Override
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public Boolean refund(RefundRequest refundRequest) {
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// 请求body参数构建
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// 请求body参数构建
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Map<String, Object> params = new HashMap<String, Object>();
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params.put("notify_url", callbackConfig.getDomain()+ PayConstant.CALLBACK_PATH +PayConstant.REFUND_NOTIFY +"/"+ Platform.WX ); //回调地址
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params.put("out_trade_no", refundRequest.getOrderSn());//订单编号
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//out_refund_no
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params.put("out_refund_no", refundRequest.getRequestNo());//退款申请单编号 （多次退款需要不一样才行）
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params.put("amount", new HashMap<String, Object>() {
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{
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put("refund",refundRequest.getRefundAmount());//退款金额
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put("total", refundRequest.getTotalFee());//原金额，单位：分
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put("currency", "CNY");//人民币
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}
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});
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String url = WxpayConstant.refund; //创建订单
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Map map = postApiTemplate(url, params);
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if("SUCCESS".equals( map.get("code"))){
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return true;
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}else{
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return false;
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}
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}
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/**
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* 手动查询订单
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* 参考官网代码： https://pay.weixin.qq.com/wiki/doc/apiv3/open/pay/chapter2_6_2.shtml 3.2.4. 【服务端】查询订单
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* @param orderSn
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* @return
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*/
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@Override
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public QueryResponse queryTradingOrderNo(String orderSn) throws TradeException {
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// 请求body参数构建
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Map<String, String> params = new HashMap<String, String>();
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params.put("mchid", wxpayConfig.getMchId());
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String url = WxpayConstant.queryOrderNo+orderSn;;
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try {
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Map map = getApiTemplate(url, params);
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QueryResponse queryResponse=new QueryResponse();
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queryResponse.setOrder_sn((String)map.get("out_trade_no") ); //订单号
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queryResponse.setTransaction_id((String)map.get("transaction_id") ); //交易单类型
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queryResponse.setTrade_state( (String) map.get("trade_state") );//交易状态
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Map amount = (Map)map.get("amount");
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if(amount!=null){
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queryResponse.setTotal( (Integer) amount.get("total") ); //总金额
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}
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Map payer= (Map)map.get("payer");
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if(payer!=null){
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queryResponse.setOpenid( (String)payer.get("openid") );
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}
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queryResponse.setExpand(map);//全部数据
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return queryResponse;
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} catch (URISyntaxException e) {
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throw new RuntimeException(e);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* 查询退款订单
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* https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter3_4_10.shtml
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* @param out_refund_no
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* @return
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* @throws TradeException
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*/
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@Override
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public QueryRefundResponse queryRefundTrading(String out_refund_no) throws TradeException {
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// 请求body参数构建
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Map<String, String> params = new HashMap<String, String>();
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String url = WxpayConstant.queryRufundOrderNo + out_refund_no;
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try {
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Map map = getApiTemplate(url, params);
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QueryRefundResponse queryRefundResponse=new QueryRefundResponse();
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queryRefundResponse.setOrder_sn( (String) map.get("out_trade_no") );
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queryRefundResponse.setTransaction_id( (String) map.get("transaction_id") );
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Map amount = (Map)map.get("amount");
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queryRefundResponse.setTotal( (Integer) amount.get("total") ); //总金额
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queryRefundResponse.setRefund((Integer) amount.get("payer_refund") ); //退款金额
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queryRefundResponse.setRefund_id((String) map.get("refund_id") ); //退款单号
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queryRefundResponse.setOut_refund_no( (String) map.get("out_refund_no") );//退款订单号
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queryRefundResponse.setChannel( (String) map.get("channel") ); //通道
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queryRefundResponse.setUser_received_account( (String) map.get("user_received_account") ); //账号
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queryRefundResponse.setStatus( (String) map.get("status") ); //状态
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queryRefundResponse.setSuccess_time( (String) map.get("success_time") );
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queryRefundResponse.setExpand(map);
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return queryRefundResponse;
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} catch (URISyntaxException e) {
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throw new RuntimeException(e);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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public String getOpenid(String code) {
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String getOpenIdUrl = "https://api.weixin.qq.com/sns/jscode2session?" +
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"appid="+wxpayConfig.getAppId()
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+"&secret="+wxpayConfig.getAppSecret()
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+"&js_code="+code+"&grant_type=authorization_code";
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RestTemplate restTemplate = new RestTemplate();
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String respResult = restTemplate.getForObject(getOpenIdUrl,String.class);
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log.info("获取openid的url:{},respResult：{}",getOpenIdUrl,respResult);
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if( respResult==null || "".equals(respResult) ) return "";
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try{
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Map<String,String> map = JSON.parseObject(respResult, Map.class);
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String errorCode = map.get("errcode") ;
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if(errorCode!=null && !"".equals(errorCode)){
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int errorCodeInt = Integer.valueOf(errorCode).intValue();
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log.info("获取openid的errorCode,{}",errorCodeInt);
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if(errorCodeInt != 0) return "";
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}
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return map.get("openid");
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}catch (Exception ex){
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ex.printStackTrace();
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return "";
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}
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}
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private Map getApiTemplate(String url, Map<String, String> params) throws URISyntaxException, IOException {
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URIBuilder uriBuilder = new URIBuilder(url);
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//添加参数
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for (String key : params.keySet()) {
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uriBuilder.addParameter(key, params.get(key));
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}
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//完成签名并执行请求
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HttpGet httpGet = new HttpGet(uriBuilder.build());
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httpGet.addHeader("Accept", "application/json");
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CloseableHttpClient httpClient = getWxHttpClient();
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CloseableHttpResponse response = httpClient.execute(httpGet);
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return responseTemplate(response);
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}
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private Map responseTemplate(CloseableHttpResponse response) {
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Map result = null;
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try {
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode == 200) { //处理成功
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// log.info("success,return body = " + EntityUtils.toString(response.getEntity()));
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result = JSON.parseObject(EntityUtils.toString(response.getEntity()), Map.class);
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result.put("code", "SUCCESS");
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} else if (statusCode == 204) { //处理成功，无返回Body
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log.info("success");
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result = new HashMap<String, Object>() {
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{
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put("code", "SUCCESS");
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}
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};
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} else {
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String returnBody = EntityUtils.toString(response.getEntity());
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log.error("failed,resp code = " + statusCode + ",return body = " + returnBody);
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//throw new TradeException("创建本地支付订单失败！"+payDTO.getOrderSn());
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Map<String, String> map = JSON.parseObject(returnBody, Map.class);
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result = new HashMap<String, Object>() {
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{
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put("code", "FAIL");
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put("message", map.get("message"));
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}
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};
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}
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} catch (Exception e) {
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result = new HashMap<String, Object>() {
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{
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put("code", "FAIL");
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put("message", e.getMessage());
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}
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};
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} finally {
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closeConnect(response);
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return result;
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}
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}
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private Map postApiTemplate(String url, Map<String, Object> params) {
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try {
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HttpPost httpPost = new HttpPost(url);
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StringEntity entity = new StringEntity(JSON.toJSONString(params));
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entity.setContentType("application/json");
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httpPost.setEntity(entity);
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httpPost.setHeader("Accept", "application/json");
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//完成签名并执行请求
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CloseableHttpClient httpClient = getWxHttpClient();
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CloseableHttpResponse response = httpClient.execute(httpPost);
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return responseTemplate( response );
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* 获取微信HTTP连接
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*
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* @return
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*/
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private CloseableHttpClient getWxHttpClient() {
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try {
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//这里对秘钥进行加密使用的完全是官网上的代码
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//TODO 参考官网代码 https://pay.weixin.qq.com/wiki/doc/apiv3/open/pay/chapter2_6_2.shtml
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// 加载商户私钥（privateKey：私钥字符串）
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String key = FileUtil.readToStr("wxpay_private.key");
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PrivateKey merchantPrivateKey = PemUtil
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.loadPrivateKey(new ByteArrayInputStream(key.getBytes("utf-8")));
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// 加载平台证书（mchId：商户号,mchSerialNo：商户证书序列号,apiV3Key：V3密钥）
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//PrivateKey merchantPrivateKey = keyManager.getPrivateKey("wxpay_private.key");//读取私钥
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PrivateKeySigner privateKeySigner = new PrivateKeySigner(wxpayConfig.getMchSerialNo(), merchantPrivateKey);
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WechatPay2Credentials wechatPay2Credentials = new WechatPay2Credentials(
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wxpayConfig.getMchId(), privateKeySigner);
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// 向证书管理器增加需要自动更新平台证书的商户信息
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CertificatesManager certificatesManager = CertificatesManager.getInstance();
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certificatesManager.putMerchant(wxpayConfig.getMchId(), wechatPay2Credentials, wxpayConfig.getApiV3Key().getBytes("utf-8"));
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// 初始化httpClient
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return WechatPayHttpClientBuilder.create()
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.withMerchant(wxpayConfig.getMchId(), wxpayConfig.getMchSerialNo(), merchantPrivateKey)
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.withValidator(new WechatPay2Validator(certificatesManager.getVerifier(wxpayConfig.getMchId()))).build();
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException("微信支付--初始化，校验系统参数失败");
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}
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}
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/**
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* 关闭资源
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*/
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private void closeConnect(CloseableHttpResponse response) {
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try {
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response.close();
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException("资源回收出错");
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}
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}
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/**
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* 创建支付签名
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* @param appid
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* @param timeStamp
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* @param nonceStr
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* @param packages
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* @param privateKey
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* @return
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* @throws Exception
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*/
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private String createPaySign(String appid, String timeStamp, String nonceStr, String packages,String privateKey) throws Exception {
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Signature sign = Signature.getInstance("SHA256withRSA");
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// 加载商户私钥
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PrivateKey key = PemUtil
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.loadPrivateKey(new ByteArrayInputStream(privateKey.getBytes(CharsetUtil.CHARSET_UTF_8)));
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sign.initSign(key);
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String message = StrUtil.format("{}\n{}\n{}\n{}\n",
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appid,
|
||
timeStamp,
|
||
nonceStr,
|
||
packages);
|
||
sign.update(message.getBytes());
|
||
return Base64.getEncoder().encodeToString(sign.sign());
|
||
}
|
||
|
||
|
||
}
|