Ext JS小例子

// JScript source code
/*!
 * Ext JS Library 3.4.0
 * Copyright(c) 2006-2011 Sencha Inc.
 * [email protected]
 * http://www.sencha.com/license
 */
Ext.chart.Chart.CHART_URL = '../../resources/charts.swf';

Ext.onReady(function(){

    var store = new Ext.data.JsonStore({
        fields:['name', 'visits', 'views'],
        data: [
            {name:'Jul 07', visits: 245000, views: 3000000},
            {name:'Aug 07', visits: 240000, views: 3500000},
            {name:'Sep 07', visits: 355000, views: 4000000},
            {name:'Oct 07', visits: 375000, views: 4200000},
            {name:'Nov 07', visits: 490000, views: 4500000},
            {name:'Dec 07', visits: 495000, views: 5800000},
            {name:'Jan 08', visits: 520000, views: 6000000},
            {name:'Feb 08', visits: 620000, views: 7500000}
        ]
    });

    // extra extra simple
    new Ext.Panel({
        title: 'ExtJS.com Visits Trend, 2007/2008 (No styling)',
        renderTo: 'container',
        width:500,
        height:300,
        layout:'fit',

        items: {
            xtype: 'linechart',
            store: store,
            xField: 'name',
            yField: 'visits',
   listeners: {
    itemclick: function(o){
     var rec = store.getAt(o.index);
     Ext.example.msg('Item Selected', 'You chose {0}.', rec.get('name'));
    }
   }
        }
    });

    // extra simple
    new Ext.Panel({
        iconCls:'chart',
        title: 'ExtJS.com Visits Trend, 2007/2008 (Simple styling)',
        frame:true,
        renderTo: 'container',
        width:500,
        height:300,
        layout:'fit',

        items: {
            xtype: 'linechart',
            store: store,
            url: '../../resources/charts.swf',
            xField: 'name',
            yField: 'visits',
            yAxis: new Ext.chart.NumericAxis({
                displayName: 'Visits',
                labelRenderer : Ext.util.Format.numberRenderer('0,0')
            }),
            tipRenderer : function(chart, record){
                return Ext.util.Format.number(record.data.visits, '0,0') + ' visits in ' + record.data.name;
            }
        }
    });

    // more complex with a custom look
    new Ext.Panel({
        iconCls:'chart',
        title: 'ExtJS.com Visits and Pageviews, 2007/2008 (Full styling)',
        frame:true,
        renderTo: 'container',
        width:500,
        height:300,
        layout:'fit',

        items: {
            xtype: 'columnchart',
            store: store,
            url:'../../resources/charts.swf',
            xField: 'name',
            yAxis: new Ext.chart.NumericAxis({
                displayName: 'Visits',
                labelRenderer : Ext.util.Format.numberRenderer('0,0')
            }),
            tipRenderer : function(chart, record, index, series){
                if(series.yField == 'visits'){
                    return Ext.util.Format.number(record.data.visits, '0,0') + ' visits in ' + record.data.name;
                }else{
                    return Ext.util.Format.number(record.data.views, '0,0') + ' page views in ' + record.data.name;
                }
            },
            chartStyle: {
                padding: 10,
                animationEnabled: true,
                font: {
                    name: 'Tahoma',
                    color: 0x444444,
                    size: 11
                },
                dataTip: {
                    padding: 5,
                    border: {
                        color: 0x99bbe8,
                        size:1
                    },
                    background: {
                        color: 0xDAE7F6,
                        alpha: .9
                    },
                    font: {
                        name: 'Tahoma',
                        color: 0x15428B,
                        size: 10,
                        bold: true
                    }
                },
                xAxis: {
                    color: 0x69aBc8,
                    majorTicks: {color: 0x69aBc8, length: 4},
                    minorTicks: {color: 0x69aBc8, length: 2},
                    majorGridLines: {size: 1, color: 0xeeeeee}
                },
                yAxis: {
                    color: 0x69aBc8,
                    majorTicks: {color: 0x69aBc8, length: 4},
                    minorTicks: {color: 0x69aBc8, length: 2},
                    majorGridLines: {size: 1, color: 0xdfe8f6}
                }
            },
            series: [{
                type: 'column',
                displayName: 'Page Views',
                yField: 'views',
                style: {
                    image:'bar.gif',
                    mode: 'stretch',
                    color:0x99BBE8
                }
            },{
                type:'line',
                displayName: 'Visits',
                yField: 'visits',
                style: {
                    color: 0x15428B
                }
            }]
        }
    });
});