From 3a141b85cb17d430bab4cacb738e72519f1d0841 Mon Sep 17 00:00:00 2001
From: godmars <zhangshuzheng@live.cn>
Date: Fri, 8 Sep 2017 21:55:50 +0800
Subject: [PATCH] =?UTF-8?q?alipay=E5=BC=82=E6=AD=A5=E9=80=9A=E7=9F=A5?=
 =?UTF-8?q?=E6=8E=A5=E5=8F=A3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/zheng/common/util/RequestUtil.java    | 17 +++++++++++++
 .../pay/common/constant/PayConstant.java      |  4 ++++
 .../pay/web/controller/AlipayController.java  | 24 +++++++++++++++++++
 3 files changed, 45 insertions(+)

diff --git a/zheng-common/src/main/java/com/zheng/common/util/RequestUtil.java b/zheng-common/src/main/java/com/zheng/common/util/RequestUtil.java
index 24ab2f8b9..0723426db 100644
--- a/zheng-common/src/main/java/com/zheng/common/util/RequestUtil.java
+++ b/zheng-common/src/main/java/com/zheng/common/util/RequestUtil.java
@@ -2,6 +2,8 @@
 
 import javax.servlet.http.HttpServletRequest;
 import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * request工具类
@@ -78,4 +80,19 @@ public static String getIpAddr(HttpServletRequest request) {
 		return ip;
 	}
 
+	/**
+	 * 请求中参数转Map<String, String>,for支付宝异步回调,平时建议直接使用request.getParameterMap(),返回Map<String, String[]>
+	 * @param request
+	 * @return
+	 */
+	public static Map<String, String> getParameterMap(HttpServletRequest request) {
+		Map<String, String> result = new HashMap<>();
+		Enumeration parameterNames = request.getParameterNames();
+		while (parameterNames.hasMoreElements()) {
+			String parameterName = (String) parameterNames.nextElement();
+			result.put(parameterName, request.getParameter(parameterName));
+		}
+		return result;
+	}
+
 }
diff --git a/zheng-pay/zheng-pay-common/src/main/java/com/zheng/pay/common/constant/PayConstant.java b/zheng-pay/zheng-pay-common/src/main/java/com/zheng/pay/common/constant/PayConstant.java
index e620cb01a..c91821e79 100644
--- a/zheng-pay/zheng-pay-common/src/main/java/com/zheng/pay/common/constant/PayConstant.java
+++ b/zheng-pay/zheng-pay-common/src/main/java/com/zheng/pay/common/constant/PayConstant.java
@@ -8,4 +8,8 @@
  */
 public class PayConstant extends BaseConstants {
 
+    public static final String SUCCESS = "success";
+
+    public static final String FAILED = "failed";
+
 }
diff --git a/zheng-pay/zheng-pay-web/src/main/java/com/zheng/pay/web/controller/AlipayController.java b/zheng-pay/zheng-pay-web/src/main/java/com/zheng/pay/web/controller/AlipayController.java
index b7ffa2153..059eebcc9 100644
--- a/zheng-pay/zheng-pay-web/src/main/java/com/zheng/pay/web/controller/AlipayController.java
+++ b/zheng-pay/zheng-pay-web/src/main/java/com/zheng/pay/web/controller/AlipayController.java
@@ -3,14 +3,21 @@
 
 import com.alibaba.fastjson.JSONObject;
 import com.alipay.api.AlipayClient;
+import com.alipay.api.internal.util.AlipaySignature;
 import com.alipay.api.request.AlipayTradePagePayRequest;
 import com.alipay.api.request.AlipayTradeWapPayRequest;
 import com.zheng.common.base.BaseController;
+import com.zheng.common.util.PropertiesFileUtil;
+import com.zheng.common.util.RequestUtil;
+import com.zheng.pay.common.constant.PayConstant;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
 
+import javax.servlet.http.HttpServletRequest;
+import java.util.Map;
+
 /**
  * 支付宝
  * Created by ZhangShuzheng on 2017/04/04.
@@ -54,4 +61,21 @@ public Object wap() throws Exception {
         return alipayClient.pageExecute(alipayTradeWapPayRequest).getBody();
     }
 
+    // 异步通知
+    @RequestMapping("/notifyUrl")
+    @ResponseBody
+    public Object notifyUrl(HttpServletRequest request) throws Exception {
+        Map<String, String> parameterMap = RequestUtil.getParameterMap(request);
+        // 验签
+        boolean signVerified = AlipaySignature.rsaCheckV1(
+                parameterMap,
+                PropertiesFileUtil.getInstance().get("alipay.alipay_public_key"),
+                PropertiesFileUtil.getInstance().get("alipay.charset"),
+                PropertiesFileUtil.getInstance().get("alipay.sign_type"));
+        if (!signVerified) {
+            return PayConstant.FAILED;
+        }
+        return PayConstant.SUCCESS;
+    }
+
 }
\ No newline at end of file