vickzhu

       success:function(form,action){
              window.location.href = 'index.jsp'; 
        },
        failure : function(form, action) {
         if(action.failureType == 'server'){
          Ext.Msg.alert('登錄錯誤',action.result.errors);
            }else if(action.failureType == 'connect'){
             Ext.Msg.alert('連接錯誤','指定路徑連接錯誤!');
            }else{
             Ext.MessageBox.alert('警告', '服務器數據傳輸失敗：'+action.response.responseText);
            }
        }

        
        java返回的數據，成功為：String json="{success:true}"，失敗為： String json="{success:false,errors:'用戶名或者密碼錯誤！！！'}";