微信支付配置

src/main/java/com/bigdata/wxappserver/config/WxPayConfig.java

@@ -20,29 +20,33 @@ public class WxPayConfig implements WXPayConfig {
         //此处暂时用不到，这里是读取证书的地方
     }
 
+    @Override
     public String getAppID() {
-        return "这里是你的appid";
+        return "wx865aefa5a7115ae0";
     }
 
+    @Override
     public String getMchID() {
         //申请普通商户时分配给你的商户号
         return "这里是你的商户号";
     }
 
+    @Override
     public String getKey() {
         //这里的key 就是你在支付平台设置的API密钥
         return "这是就是你的Key了";
     }
 
+    @Override
     public InputStream getCertStream() {
         ByteArrayInputStream certBis = new ByteArrayInputStream(this.certData);
         return certBis;
     }
-
+    @Override
     public int getHttpConnectTimeoutMs() {
         return 8000;
     }
-
+    @Override
     public int getHttpReadTimeoutMs() {
         return 10000;
     }

src/main/java/com/bigdata/wxappserver/controller/PayController.java

@@ -0,0 +1,73 @@
+package com.bigdata.wxappserver.controller;
+
+import com.bigdata.wxappserver.config.WxPayConfig;
+import com.github.wxpay.sdk.WXPay;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.HashMap;
+import java.util.Map;
+
+@RestController
+@RequestMapping("pay")
+public class PayController {
+
+    @RequestMapping("payment")
+    public Object getPayment(HttpServletRequest request, @RequestParam("totalFee") String totalFee, String tradeno) throws Exception {
+//	获取到当前登录用户，因为这里我保存了openid , 方法大家可以自己处理，这里就不展示了
+//        User user = User.getCurrentUserInfo().getUser();
+        //当前就是我们自己配置的支付配置。appid 商户号 key 什么的；
+        WxPayConfig config = new WxPayConfig();
+        //当前类是官方为我们封装的一些使用的方法
+        WXPay wxpay = new WXPay(config);
+        //获取到 IP
+        String clientIp = getIpAddress(request);
+        System.err.println(clientIp);
+        //封装请求参数 参数说明看API文档，当前就不进行讲解了
+        Map<String, String> data = new HashMap<>();
+        data.put("body", "腾讯充值中心-QQ会员充值");
+        data.put("out_trade_no", "2016090910595900000012");
+        data.put("device_info", "12345679"); //此处设备或商品编号
+        data.put("fee_type", "CNY");  // 货币类型  人民币
+
+        // 支付中没有小数点，起步以分做为单们，当前为1 分钱，所以自行调整金额 ，这里可以做为传参，
+        //选取商品金额传到后端来
+        data.put("total_fee", "1");
+
+        data.put("spbill_create_ip", "123.12.12.123");
+        data.put("notify_url", "http://www.example.com/wxpay/notify");
+        data.put("trade_type", "JSAPI");  // 此处指定JSAPI
+        data.put("product_id", "12");
+        data.put("openid", "这是是登录获取到的openId  必传");
+        //调用统一下单方法
+        Map<String, String> order = wxpay.unifiedOrder(data);
+        //获取到需要的参数返回小程序
+        return order;
+
+
+    }
+
+    // 获取 IP
+    public static String getIpAddress(HttpServletRequest request) {
+        String ip = request.getHeader("x-forwarded-for");
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
+            ip = request.getHeader("Proxy-Client-IP");
+        }
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
+            ip = request.getHeader("WL-Proxy-Client-IP");
+        }
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
+            ip = request.getHeader("HTTP_CLIENT_IP");
+        }
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
+            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
+        }
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
+            ip = request.getRemoteAddr();
+        }
+        return ip;
+    }
+
+}