array-grid.js

着重用css实现页面显示功能,实现简单数据库连接,是很好的入门教程

/*
 * Ext JS Library 1.1.1
 * Copyright(c) 2006-2007, Ext JS, LLC.
 * [e-mail]
 * 
 * http://www.extjs.com/license
 */

var Example = {
    init : function(){
        // some data yanked off the web
        var myData = [
			['3m Co',71.72,0.02,0.03,'9/1 12:00am'],
            ['Alcoa Inc',29.01,0.42,1.47,'9/1 12:00am'],
            ['Altria Group Inc',83.81,0.28,0.34,'9/1 12:00am'],
            ['American Express Company',52.55,0.01,0.02,'9/1 12:00am'],
            ['American International Group, Inc.',64.13,0.31,0.49,'9/1 12:00am'],
            ['AT&T Inc.',31.61,-0.48,-1.54,'9/1 12:00am'],
            ['Boeing Co.',75.43,0.53,0.71,'9/1 12:00am'],
            ['Caterpillar Inc.',67.27,0.92,1.39,'9/1 12:00am'],
            ['Citigroup, Inc.',49.37,0.02,0.04,'9/1 12:00am'],
            ['E.I. du Pont de Nemours and Company',40.48,0.51,1.28,'9/1 12:00am'],
            ['Exxon Mobil Corp',68.1,-0.43,-0.64,'9/1 12:00am'],
            ['General Electric Company',34.14,-0.08,-0.23,'9/1 12:00am'],
            ['General Motors Corporation',30.27,1.09,3.74,'9/1 12:00am'],
            ['Hewlett-Packard Co.',36.53,-0.03,-0.08,'9/1 12:00am'],
            ['Honeywell Intl Inc',38.77,0.05,0.13,'9/1 12:00am'],
            ['Intel Corporation',19.88,0.31,1.58,'9/1 12:00am'],
            ['International Business Machines',81.41,0.44,0.54,'9/1 12:00am'],
            ['Johnson & Johnson',64.72,0.06,0.09,'9/1 12:00am'],
            ['JP Morgan & Chase & Co',45.73,0.07,0.15,'9/1 12:00am'],
            ['McDonald\'s Corporation',36.76,0.86,2.40,'9/1 12:00am'],
            ['Merck & Co., Inc.',40.96,0.41,1.01,'9/1 12:00am'],
            ['Microsoft Corporation',25.84,0.14,0.54,'9/1 12:00am'],
            ['Pfizer Inc',27.96,0.4,1.45,'9/1 12:00am'],
            ['The Coca-Cola Company',45.07,0.26,0.58,'9/1 12:00am'],
            ['The Home Depot, Inc.',34.64,0.35,1.02,'9/1 12:00am'],
            ['The Procter & Gamble Company',61.91,0.01,0.02,'9/1 12:00am'],
            ['United Technologies Corporation',63.26,0.55,0.88,'9/1 12:00am'],
            ['Verizon Communications',35.57,0.39,1.11,'9/1 12:00am'],
            ['Wal-Mart Stores, Inc.',45.45,0.73,1.63,'9/1 12:00am'],
            ['Walt Disney Company (The) (Holding Company)',29.89,0.24,0.81,'9/1 12:00am']
		];

        var ds = new Ext.data.Store({
		        proxy: new Ext.data.MemoryProxy(myData),
		        reader: new Ext.data.ArrayReader({}, [
                       {name: 'company'},
                       {name: 'price', type: 'float'},
                       {name: 'change', type: 'float'},
                       {name: 'pctChange', type: 'float'},
                       {name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
                  ])
        });
        ds.load();

		// example of custom renderer function
        function italic(value){
            return '<i>' + value + '</i>';
        }

		// example of custom renderer function
        function change(val){
            if(val > 0){
                return '<span style="color:green;">' + val + '</span>';
            }else if(val < 0){
                return '<span style="color:red;">' + val + '</span>';
            }
            return val;
        }
		// example of custom renderer function
        function pctChange(val){
		    if(val > 0){
		        return '<span style="color:green;">' + val + '%</span>';
		    }else if(val < 0){
		        return '<span style="color:red;">' + val + '%</span>';
		    }
		    return val;
		}

		// the DefaultColumnModel expects this blob to define columns. It can be extended to provide
        // custom or reusable ColumnModels
        var colModel = new Ext.grid.ColumnModel([
			{id:'company',header: "Company", width: 160, sortable: true, locked:false, dataIndex: 'company'},
			{header: "Price", width: 75, sortable: true, renderer: Ext.util.Format.usMoney, dataIndex: 'price'},
			{header: "Change", width: 75, sortable: true, renderer: change, dataIndex: 'change'},
			{header: "% Change", width: 75, sortable: true, renderer: pctChange, dataIndex: 'pctChange'},
			{header: "Last Updated", width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
		]);


        // create the Grid
        var grid = new Ext.grid.Grid('grid-example', {
            ds: ds,
            cm: colModel,
            autoExpandColumn: 'company'
        });
        
        var layout = Ext.BorderLayout.create({
            center: {
                margins:{left:3,top:3,right:3,bottom:3},
                panels: [new Ext.GridPanel(grid)]
            }
        }, 'grid-panel');

        grid.render();
        

        grid.getSelectionModel().selectFirstRow();
    }
};
Ext.onReady(Example.init, Example);