微信上传头像大小限制为1M

app/api/mobile/apis/users.rb

@@ -27,11 +27,18 @@ module Mobile
           dirPath = "public/images/avatars/User"
 
           fileDir = dirPath + "/"+current_user.id.to_s
-          begin
-            File.open(fileDir,'wb'){ |f| f.write(Base64.decode64(params[:imgdata].split(",")[1])) }
-            present :status, 0
-          rescue
+          imgdata = Base64.decode64(params[:imgdata].split(",")[1])
+          if imgdata.length > 1024*1024
+            present :message,"上传图片不能超过1M"
             present :status, -1
+          else
+            begin
+              File.open(fileDir,'wb'){ |f| f.write(imgdata) }
+              present :status, 0
+            rescue
+              present :message,"上传失败"
+              present :status, -1
+            end
           end
         end
 

config/menu.yml.test

@@ -31,6 +31,6 @@ button:
     name: "联系我们"
     key:  "FEEDBACK"
   -
-    type: "click"
-    name: "解除绑定"
-    key:  "UNBIND"
+    type: "view"
+    name: "个人资料"
+    url:  "https://open.weixin.qq.com/connect/oauth2/authorize?appid=wxc09454f171153c2d&redirect_uri=https://test.forge.trustie.net/wechat/user_activities&response_type=code&scope=snsapi_base&state=edit_userinfo#wechat_redirect"

public/javascripts/wechat/directives/load_head.js

@@ -14,7 +14,7 @@ app.directive('loadHead',['$http','config','auth','$location','alertService',fun
                 var reader = new FileReader();
                 reader.readAsDataURL(file);
                 reader.onload = function (e) {
-                    alert(this.result);//base64
+//                    alert(this.result);//base64
 
                     $http.post(config.apiUrl + "users/upload_head",
                         {token: auth.token(),imgdata:this.result}
@@ -25,7 +25,7 @@ app.directive('loadHead',['$http','config','auth','$location','alertService',fun
                             });
                         }
                         else{
-                            scope.$parent.alertService_1.showMessage('提示',"上传失败");
+                            scope.$parent.alertService_1.showMessage('提示',response.data.message);
                         }
                     });
                 }