///<summary>
  ///初始化数据容器
  ///</summary>
  function InitGrid(){
     var lastIndex;
     $("#grid").datagrid({
         url:'',
         loadMsg:'数据加载中,请稍后......',
         border:false,
         fitColumns:true,
         remoteSort:false,

         //双击变有可编辑状态
         onDblClickRow:function(rowIndex,rowData){
             var oldnum = rowData.g_num;
             //if(lastIndex!=rowIndex){
                 $("#grid").datagrid('endEdit',rowIndex);
                 $("#grid").datagrid('beginEdit',rowIndex);
                 var num = rowData.g_num;
                 $("input.datagrid-editable-input").val("+");
                 $("input.datagrid-editable-input").bind("blur",function(evt){
                     var input = $(this).val()?eval($(this).val()):0;
                     var result = SetNum(input,rowData.id,oldnum);
                     var item = result.split("||");
                     $(this).val(item[1]);
                      $("#grid").datagrid('endEdit',lastIndex);
                 });
                 $("input.datagrid-editable-input").bind("keypress",function(evt){
                     if(evt.keyCode==13){
                         var input = $(this).val()?$(this).val():0;
                         var result = SetNum(input,rowData.id,oldnum);
                         var item = result.split("||");
                         $(this).val(item[1]);
                         $("#grid").datagrid('endEdit',lastIndex);
                     }
                 });
             //}
             lastIndex=rowIndex;
         },
         frozenColumns:[[
                         {field:'ck',checkbox:true}
                         ]],
         toolbar:[
                  {text:'刷新',iconCls:'icon-reload',handler:function(){
                       Reload();
                  }},
                  {text:'添加',iconCls:'icon-add',handler:add},
                  {text:'编辑',iconCls:'icon-edit',handler:edit},
                  {text:'删除',iconCls:'icon-cut',handler:del},
                  {text:'清选',iconCls:'icon-undo',handler:function(){
                      $("#grid").datagrid("clearSelections");
                  }}
                  ],
         columns:[[
                   {field:'id',title:'序号',width:40,align:'center',sortable:true,sorter:sortId},
                   {field:'g_name',title:'商品名称',width:40,align:'center',sortable:true},
                   {field:'gt_name',title:'所属类型',width:40,align:'center',sortable:true},
                   {field:'g_num',title:'库存',width:40,align:'center',sortable:true,editor:{type:'numberbox'}},
                   {field:'g_isnew',title:'是否新品',width:40,align:'center',sortable:true,formatter:function(val){
                       return val=='1'?'是':'否';
                   }},
                   {field:'g_ishot',title:'是否热品',width:40,align:'center',sortable:true,formatter:function(val){
                       return val=='1'?'是':'否';
                   }},
                   {field:'g_status',title:'状态',width:40,align:'center',sortable:true,formatter:status},
                   {field:'g_addtime',title:'添加时间',width:40,align:'center',sortable:true},
                   {field:'act',title:'操作',width:40,align:'center',formatter:act}
                   ]]
     });
  }
  
  ///<summary>
  ///Ajax获取分页数据
  ///currPage => 当前页码
  ///</summary>
  function GetData(currPage){
      var pageSize = getPageSize();// 15;
      var where=$("#where").val();
      var levels=$("#pt").val();
      $.ajax({
          url:url+'/AjaxData',
          type:'post',
          dataType:'text',
          data:'currPage='+currPage+'&pageSize='+pageSize+''+'&where='+where+'&pt='+levels,
          beforeSend:function(){
              $("#grid").datagrid("loading");
          },
          success:function(json){
              $("#grid").datagrid("loaded");
              json=decodeURIComponent(json);
              if(json.length<=20){
                  $("#grid").datagrid("loadData",{total:0,rows:[]});
                  return;
              }
              json = eval('('+json+')');
              $("#grid").datagrid("loadData",json);
              $("#currPage").val(currPage);
              $("#pageCount").val(Math.ceil(json.total/pageSize));
              $("#pageStr").html(ShortPageStr(json.total));
              ShowPageBar();
          },
          error:function(data){
              alert(data.responseText);
          }
      });
  }
  
  ///<summary>
  ///@desc 修改库存(出入库)
  ///</summary>
  function SetNum(count,id,oldnum){
      var result = 'error||'+oldnum;
      $.ajax({
          url:url+'/SetNum',
          type:'post',
          dataType:'text',
          data:'count='+count+'&sx='+id,
          async:false,
          success:function(data){
              result = data;
          },
          error:function(data){
              result='error||'+oldnum;
          }
      });
      return result;
  }