处理异步扣费导致订单重复的问题

20181128_西游/SDK.ts

-/**
+/**
@@ -43,7 +43,7 @@ class WechatSDK {
         console.log("@@SDK初始化结束", _selt.ReportParams);
     }
     public async updateShareMsgInfo(updateInfo) {  // 更新动态消息接口
-        if(!updateInfo.activity_id) {
+        if (!updateInfo.activity_id) {
             updateInfo.activity_id = this.actId;
             updateInfo.version_type = SDKConfig.navPayEnv;
         }
@@ -53,7 +53,7 @@ class WechatSDK {
         });
         console.log("@@SDK更新动态消息接口::", res);
     }
-    public async getActiveShareInfo () {  // 查询动态消息接口
+    public async getActiveShareInfo() {  // 查询动态消息接口
         let _self = this;
         let postData = {
             product_code: SDKConfig.productCode,
@@ -62,11 +62,11 @@ class WechatSDK {
         let res = await this.sdkRequest(Links.getActShareInfo, postData, 'POST').catch(err => {
             console.log("@@SDK异常::getActiveShareInfo", err);
         });
-        if(res.code == 0) {
+        if (res.code == 0) {
             return res.data;
         } else {
             return 0;
-        }        
+        }
     }
     public async Login() {
         const _selt = this;
@@ -80,7 +80,7 @@ class WechatSDK {
         });
         if (sdkLoginData.code == 0) {
             _selt.ReportParams.openId = _selt.sdkParams.open_id = _selt.sdkParams.uniqueid = sdkLoginData.data.openid;
-            _selt.sdkParams.session_key = sdkLoginData.data.session_key;            
+            _selt.sdkParams.session_key = sdkLoginData.data.session_key;
             if (_selt.actId) {
                 let shareInfo = {
                     activity_id: _selt.actId,
@@ -170,8 +170,12 @@ class WechatSDK {
                             success: async function (data) {
                                 console.log("@@SDK -> 支付成功:", data);
                                 let coinsResult = await _selt.getCoins(_selt.deepCopy({}, _selt.sdkParams, { order_num: res.data.order_num }));
-                                if (coinsResult.code == 0) resolve(200);
-                                else resolve(0);
+                                if (coinsResult.code == 0 || coinsResult.code == 3012) {
+                                    resolve(200);
+                                }
+                                else {
+                                    resolve(0);
+                                }
                             },
                             fail: function (err) {
                                 var msg = '';