字符串去掉空白时，空格不去掉。

public/javascripts/application.js

@@ -1453,7 +1453,7 @@ function description_showwords_ellipsis(id,num){
     });
 
     //去掉空格
-    str = str.replace(/\s/gi,'');
+    str = str.replace(/[\f\n\r\t\v]/gi,'');
 
     if(str.length > num){
         str = str.substring(0,num)+"...";

public/javascripts/wechat/others/factory.js

@@ -247,11 +247,11 @@ app.factory('common', ['$http', 'auth', '$routeParams','rms','config','wx','$loc
 
                 var desc = ""
                 if(response.data.data.content){
-                    desc = response.data.data.content.replace(/<[^>]+>/g,"").replace(/\s*/g,"").replace(/&nbsp;/g,"");
+                    desc = response.data.data.content.replace(/<[^>]+>/gi,"").replace(/[\f\n\r\t\v]/gi,"").replace(/&nbsp;/gi,"");
                 }
 
                 if(response.data.data.description){
-                    desc = response.data.data.description.replace(/<[^>]+>/g,"").replace(/\s*/g,"").replace(/&nbsp;/g,"");
+                    desc = response.data.data.description.replace(/<[^>]+>/gi,"").replace(/[\f\n\r\t\v]/gi,"").replace(/&nbsp;/gi,"");
                 }
 
                 if(desc.length > 30){