1.效果图
2.list.jsp
<%@ page language="java" pageEncoding="UTF-8"%> <% request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("UTF-8"); String json = "{totalProperty : 10,root:["+ "{month:'1月',number: 20},"+ "{month:'2月',number: 80},"+ "{month:'3月',number: 50},"+ "{month:'4月',number: 60},"+ "{month:'5月',number: 45},"+ "{month:'6月',number: 70},"+ "{month:'7月',"+ "{month:'8月',"+ "{month:'9月',number: 40},"+ "{month:'10月',number: 30},"+ "{month:'11月',number: 55},"+ "{month:'12月',number: 32}]}"; System.out.print(json); response.getWriter().write(json); %>
3.index.jsp
<%@ page language="java" pageEncoding="UTF-8"%> <% String rootpath = request.getcontextpath();%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <link rel="stylesheet" type="text/css" href="<%=rootpath%>/ext/resources/css/ext-all.css"/> <script type="text/javascript" src="<%=rootpath%>/ext/adapter/ext/ext-base.js"></script> <script type="text/javascript" src="<%=rootpath%>/ext/ext-all.js"></script> <script type="text/javascript" src="<%=rootpath%>/ext/ext-lang-zh_CN.js"></script> <script type="text/javascript"> Ext.onReady(function(){ Ext.QuickTips.init(); Ext.BLANK_IMAGE_URL = '<%=rootpath%>/ext/resources/images/default/s.gif'; var record = new Ext.data.Record.create([ {name : 'month'},{name : 'number'} ]); var store = new Ext.data.Store({ proxy : new Ext.data.HttpProxy({ url : 'list.jsp' }),reader : new Ext.data.JsonReader({ totalProperty : 'totalProperty',root : 'root',fields: record }) }); store.load(); var p = new Ext.Panel({ title : '月份访问量',width : 500,height : 300,items : [{ xtype : 'barchart',url : '<%=rootpath%>/ext/resources/charts.swf',store : store,yField : 'month',xField : 'number' }] }); var vp = new Ext.Viewport({ items : [p] }); }); </script> </head> <body> </body> </html>