ExtJs之Grid

Ext.onReady(function() {

    var proxy = new Ext.data.HttpProxy({ url: 're.aspx'});//获取json数据
    var reader = new Ext.data.JsonReader(
            {
                totalProperty: "results",
                root: "datastr",
                id: 'productID'
            },
            [
                { name: 'productID' },
                { name: 'productName' },
                { name: 'productCode'}
            ]
        );

    
    var store = new Ext.data.Store(
    {
        proxy: proxy,
        reader: reader
    });

    store.load();  //加载数据 

//创建grid
    var grid = new Ext.grid.GridPanel({
        renderTo: 'grid',
         650,
        store: store,
        loadMask: true,
        viewConfig: {
            forceFit: true
        },
        autoHeight: true,
        //autoExpandColumn:'descn', 
        columns: [
        { header: "id", sortable: true, dataIndex: 'productID' },
        { header: 'name', dataIndex: 'productName',  80 },
        { header: "code", sortable: true, dataIndex: 'productCode' }
        ],
        frame: true, //表格外加边框 
        collapsible: true,
        animCollapse: false
    });

    grid.render();
});