nyx weapp: bug fix

1. 参考weui-textarea的计数方式来统计字符数
2. 添加图片时候，每一次都是重新添加(add)，而不是追加(append)

增值产品-小程序及app/nyx-dev/pages/member/activity-post/activity-post.js

-// pages/member/activity-post/activity-post.js
+// pages/member/activity-post/activity-post.js
@@ -45,7 +45,7 @@ Page({
     nextSign: 0,
 
     // 下一步按钮可用状态
-    canClick: true,    
+    canClick: true,
 
   },
 
@@ -171,9 +171,10 @@ Page({
     //先设置支付按钮不可点击
     var canClick = false; 
     
+    var photoArray = []
     _this.setData({
-      photoArray: [],
-      canClick: canClick
+      photoArray,
+      canClick
     })
 
     console.log("===this is addPhoto");
@@ -302,6 +303,7 @@ Page({
     var _this = this;
     var tempFilePaths = res.tempFilePaths;  
     var index = 0;
+    _this.setData({photoArray:[]})
     _this.editPic(tempFilePaths, index, canvasId)
   }
 

增值产品-小程序及app/nyx-dev/pages/member/activity-post/activity-submit/activity-submit.js

-// pages/member/activity-post/activity-submit/activity-submit.js
+// pages/member/activity-post/activity-submit/activity-submit.js
@@ -25,6 +25,8 @@ Page({
     //当textarea获取焦点时自适应高度，失去焦点时不自适应高度
     //自适应高度时，style中的height无效
     auto_height:true,
+    //weui-textarea最多字数 (根据自己需求改变) 
+    max: 2000,
     
     /*
     //members
@@ -161,7 +163,8 @@ Page({
       if(app.globalData.postData.startDatetime != "")
       {
         content = app.globalData.postData.photoContent; //获取content
-        contentLength = app.gblen(content)
+        //contentLength = app.gblen(content)
+        contentLength = parseInt(content.length)
       }
       _this.setData({ content, contentLength })
   
@@ -660,7 +663,9 @@ Page({
     //
     app.globalData.postData.photoContent = e.detail.value
     var content = e.detail.value
-    var contentLength = app.gblen(content)
+    //var contentLength = app.gblen(content)
+    //这种计数方式与weui-textarea的maxlength计数方式不一致
+    var contentLength = parseInt(content.length)
     _this.setData({ content, contentLength })
   },
   // 为member添加口号

增值产品-小程序及app/nyx-dev/pages/member/activity-post/activity-submit/activity-submit.wxml

-<view class="page-body">
+<view class="page-body">
@@ -16,8 +16,8 @@
       <view class="weui-cells weui-cells_after-title">
           <view class="weui-cell">
               <view class="weui-cell__bd">
-                  <textarea auto-height="{{auto_height}}" bindblur='areablur' bindfocus='areafocus' class="weui-textarea" bindinput='bindKeyInput' name="inputContent" placeholder="请输入活动内容" style="height: 3.3em" value="{{content}}"/>
-                  <view class="weui-textarea-counter">{{contentLength}}/2000</view>
+                  <textarea auto-height="{{auto_height}}" bindblur='areablur' bindfocus='areafocus' class="weui-textarea" bindinput='bindKeyInput' name="inputContent" placeholder="请输入活动内容" style="height: 3.3em" value="{{content}}" maxlength="{{max}}"/>
+                  <view class="weui-textarea-counter">{{contentLength}}/{{max}}</view>
               </view>
           </view>
       </view>