还没完全用到项目中,是自己先试下的,居然效果出不来!!!
<title>项目概况图</title>
<link rel="stylesheet" type="text/css" href="ext/resources/css/ext-all.css" />

  <!-- LIBS -->
  <script type="text/javascript" src="ext/adapter/ext/ext-base.js"></script>
  <!-- ENDLIBS -->
    <script type="text/javascript" src="ext/ext-all.js"></script>
    <link rel="stylesheet" type="text/css" href="ext/shared/examples.css" />
<script>
Ext.chart.Chart.CHART_URL = 'ext/resources/charts.swf';
Ext.onReady(function(){
var store1 = new Ext.data.JsonStore({
autoDestroy:true,
        fields: ['season', 'total'],
        data: [{
            season: 'Summer',
            total: 150
        },{
            season: 'Fall',
            total: 245
        },{
            season: 'Winter',
            total: 117
        },{
            season: 'Spring',
            total: 184
        }]
    });
    
    new Ext.Panel({
        width: 400,
        height: 400,
        title: 'test',
        renderTo: 'container',
        items: {
            store: store1,
            xtype: 'piechart',
            dataField: 'total',
            categoryField: 'season',
            extraStyle:
            {
                legend:
                {
                    display: 'bottom',
                    padding: 5,
                    font:
                    {
                        family: 'Tahoma',
                        size: 13
                    }
                }
            }
        }
    });
});
</script>