引入配置方法，使得微信支付能够支持仿真测试环境 #119

Author: binarywang

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImpl.java

@@ -445,7 +445,9 @@ public String createSign(Map<String, String> params) {
   public String createSign(Map<String, String> params, String signKey) {
     if(this.getConfig().useSandboxForWxPay()){
       //使用仿真测试环境
-      return  "ABCDEFGHIJKLMNOPQRSTUVWXYZ123456";
+      //TODO 目前测试发现，以下两行代码都会出问题，所以暂不建议使用这个仿真测试环境
+      signKey = "ABCDEFGHIJKLMNOPQRSTUVWXYZ123456";
+      //return "ABCDEFGHIJKLMNOPQRSTUVWXYZ123456";
     }
 
     SortedMap<String, String> sortedMap = new TreeMap<>(params);

weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImplTest.java

@@ -73,7 +73,10 @@ public void testRefund() throws Exception {
    */
   @Test
   public void testRefundQuery() throws Exception {
-    WxPayRefundQueryResult result = this.wxService.getPayService().refundQuery("1", "", "", "");
+    WxPayRefundQueryResult result;
+
+    result = this.wxService.getPayService().refundQuery("1", "", "", "");
+    System.err.println(result);
     result = this.wxService.getPayService().refundQuery("", "2", "", "");
     System.err.println(result);
     result = this.wxService.getPayService().refundQuery("", "", "3", "");

weixin-java-mp/src/test/resources/testng.xml

@@ -7,7 +7,7 @@
 			<class name="me.chanjar.weixin.mp.api.WxMpBaseAPITest" />
 			<class name="me.chanjar.weixin.mp.api.WxMpMassMessageAPITest" />
 			<class name="me.chanjar.weixin.mp.api.impl.WxMpUserServiceImplTest" />
-			<class name="me.chanjar.weixin.mp.api.impl.WxMpQrCodeServiceImplTest" />
+			<class name="me.chanjar.weixin.mp.api.impl.WxMpQrcodeServiceImplTest" />
 			<class name="me.chanjar.weixin.mp.api.WxMpShortUrlAPITest" />
 			<class name="me.chanjar.weixin.mp.api.WxMpMessageRouterTest" />
 			<class name="me.chanjar.weixin.mp.api.WxMpJsAPITest" />