easyUI datagrid js无法控制,该如何处理

easyUI datagrid js无法控制

 <link href="EasyUI/themes/black/easyui.css" rel="stylesheet" />
    <link href="EasyUI/themes/icon.css" rel="stylesheet" />
    <script src="EasyUI/jquery.min.js"></script>
    <script src="EasyUI/jquery.easyui.min.js"></script>
    <script src="EasyUI/locale/easyui-lang-zh_CN.js"></script>
    <script type="text/javascript">
        $("#dg").datagrid({
            // url: "datagrid_data.json",
            data: [
                    { "code": "001", "name": "Name 1", "addr": "Address 11", "col4": "col4 data" },
                    { "code": "002", "name": "Name 2", "addr": "Address 13", "col4": "col4 data" },
                    { "code": "003", "name": "Name 3", "addr": "Address 87", "col4": "col4 data" },
                    { "code": "004", "name": "Name 4", "addr": "Address 63", "col4": "col4 data" },
                    { "code": "005", "name": "Name 5", "addr": "Address 45", "col4": "col4 data" },
                    { "code": "006", "name": "Name 6", "addr": "Address 16", "col4": "col4 data" },
                    { "code": "007", "name": "Name 7", "addr": "Address 27", "col4": "col4 data" },
                    { "code": "008", "name": "Name 8", "addr": "Address 81", "col4": "col4 data" },
                    { "code": "009", "name": "Name 9", "addr": "Address 69", "col4": "col4 data" },
                    { "code": "010", "name": "Name 10", "addr": "Address 78", "col4": "col4 data" }
            ],
            width: 400,
            height: 400,
            columns: [[{
                title: "编号",
                field: "code",
                width: 100
            }, {
                title: "名称",
                field: "name",
                width: 100
            }, {
                title: "地址",
                field: "addr",
                width: 100
            }, {
                title: "col4",
                field: "col4",
                width: 100
            }]]
        });
       
    </script>


  <table id="dg">
    </table>

------解决方案--------------------
路径都对了否·
------解决方案--------------------