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- package com.hys.app.pay.wx;
- import cn.hutool.core.util.IdUtil;
- import cn.hutool.json.JSONUtil;
- import com.alibaba.fastjson.JSON;
- import com.alibaba.fastjson.JSONObject;
- import com.github.binarywang.wxpay.bean.order.WxPayMpOrderResult;
- import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderRequest;
- import com.github.binarywang.wxpay.bean.result.WxPayUnifiedOrderResult;
- 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.WXPayUtil;
- import com.hys.app.framework.database.annotation.Id;
- import com.hys.app.framework.exception.ServiceException;
- import com.hys.app.framework.util.JsonUtil;
- import com.hys.app.pay.ali.PayOrder;
- import org.springframework.http.HttpStatus;
- import org.springframework.http.ResponseEntity;
- import org.springframework.stereotype.Service;
- import org.springframework.web.bind.annotation.GetMapping;
- import org.springframework.web.bind.annotation.RequestParam;
- import javax.annotation.Resource;
- import javax.servlet.http.HttpSession;
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStreamReader;
- import java.io.UnsupportedEncodingException;
- import java.net.*;
- import java.nio.charset.StandardCharsets;
- import java.util.Base64;
- import java.util.HashMap;
- import java.util.LinkedHashMap;
- import java.util.Map;
- @Service
- public class WxPayServiceMy {
- @Resource
- private WxConfig wxConfig;
- private WxPayService getPayService() {
- WxPayConfig payConfig = new WxPayConfig();
- payConfig.setAppId(wxConfig.getAppId());
- payConfig.setMchId(wxConfig.getMchId());
- payConfig.setMchKey(wxConfig.getMchKey());
- payConfig.setKeyPath(wxConfig.getKeyPath());
- payConfig.setApiV3Key(wxConfig.getApiV3Key());
- WxPayService wxPayService = new WxPayServiceImpl();
- wxPayService.setConfig(payConfig);
- return wxPayService;
- }
- public Map<String, String> pay(PayOrder payOrder) throws UnknownHostException {
- WxPayService wxPayService = getPayService();
- WxPayUnifiedOrderRequest orderRequest = WxPayUnifiedOrderRequest.newBuilder()
- .body(payOrder.getSubject())
- .openid(payOrder.getOpenId())
- .outTradeNo(payOrder.getTraceNo())
- .totalFee((int) Math.round(payOrder.getTotalAmount() * 100)) // 单位是分
- .spbillCreateIp(InetAddress.getLocalHost().getHostAddress())
- .notifyUrl(wxConfig.getNotifyUrl())
- .tradeType("JSAPI")
- .productId(IdUtil.fastUUID())
- .build();
- // 设置商户子账户id
- orderRequest.setSubMchId(wxConfig.getSubMchId());
- try {
- WxPayUnifiedOrderResult result = wxPayService.unifiedOrder(orderRequest);
- Map<String, String> payData = new HashMap<>();
- payData.put("appId", wxConfig.getAppId());
- payData.put("timeStamp", String.valueOf(System.currentTimeMillis() / 1000));
- payData.put("nonceStr", result.getNonceStr());
- payData.put("package", "prepay_id=" + result.getPrepayId());
- payData.put("signType", "MD5");
- payData.put("openid", payOrder.getOpenId());
- payData.put("paySign", SignUtils.createSign(payData, wxPayService.getConfig().getMchKey(), null, null));
- System.out.println(payData.toString());
- return payData;
- } catch (WxPayException e) {
- e.printStackTrace();
- return null;
- }
- }
- public String getOpenIdCode(Long orderId) throws UnsupportedEncodingException {
- String oAuth2Url = wxConfig.getOAuth2Url();
- return String.format("https://open.weixin.qq.com/connect/oauth2/authorize?appid=%s&redirect_uri=%s&response_type=code&scope=%s&state=%s#wechat_redirect",
- wxConfig.getAppId(), URLEncoder.encode(wxConfig.getOAuth2Url(), "UTF-8"), "snsapi_base", orderId);
- }
- public String getOpenId(String code) {
- String urlString = String.format(
- "https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code",
- wxConfig.getAppId(), wxConfig.getSecret(), code);
- try {
- URL url = new URL(urlString);
- HttpURLConnection connection = (HttpURLConnection) url.openConnection();
- connection.setRequestMethod("GET");
- BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream(), StandardCharsets.UTF_8));
- StringBuilder response = new StringBuilder();
- String inputLine;
- while ((inputLine = in.readLine()) != null) {
- response.append(inputLine);
- }
- in.close();
- Map<String, Object> map = JsonUtil.toMap(response.toString());
- return map.get("openid").toString();
- } catch (Exception e) {
- e.printStackTrace();
- return null; // 或者处理错误
- }
- }
- }
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