EXTJS饼图
EXTJS3.4实现的饼图，带点击联动事件，就是点击第一个图出现第二个图，点击第二个图出现第三个图：
JSP页面
<link rel="stylesheet" type="text/css"
href="ext/resources/css/ext-all.css" />
<script type="text/javascript" src="ext/adapter/ext/ext-base.js">
</script>
<script type="text/javascript" src="ext/ext-all.js">
</script>
<link rel="stylesheet" type="text/css" href="ext/shared/examples.css" />
<script type="text/javascript">
Ext.chart.Chart.CHART_URL = 'ext/resources/charts.swf';
var store;
var panel;
var store2;
var panel2;
var store3;
var panel3;
//显示第三幅图
function showThree(year, proName) {
store3 = new Ext.data.JsonStore( {
autoDestroy : true,
url : 'statistics_queryByProjectNameAndYear.action',
storeId : 'myStore3',
root : 'frontStatisticsList',
idProperty : 'name',
fields : [ 'name', 'value', 'rate' ]
});
var div3 = document.getElementById("panel3");
if (div3 != null && div3 != undefined) {
div3.removeNode(true);
}
;
panel3 = new Ext.Panel( {
width : 350,
height : 350,
title : '月度报表',
id : 'panel3',
renderTo : 'container3',
items : {
store : store3,
xtype : 'piechart',
dataField : 'value',
categoryField : 'name',
extraStyle : {
legend : {
display : 'bottom',
padding : 5,
font : {
family : 'Tahoma',
size : 13
}
}
}
}
});
store3.load( {
params : {
projectName : proName,
year : year
}
});
};
//显示第二幅图
function showTwo(proName) {
store2 = new Ext.data.JsonStore( {
autoDestroy : true,
url : 'statistics_queryByProjectName.action',
storeId : 'myStore2',
root : 'frontStatisticsList',
idProperty : 'name',
fields : [ 'name', 'value', 'rate' ]
});
var div = document.getElementById("panel2");
if (div != null && div != undefined) {
div.removeNode(true);
}
;
var div3 = document.getElementById("panel3");
if (div3 != null && div3 != undefined) {
div3.removeNode(true);
}
;
panel2 = new Ext.Panel( {
width : 350,
height : 350,
title : '年度报表',
id : 'panel2',
renderTo : 'container2',
items : {
store : store2,
xtype : 'piechart',
dataField : 'value',
categoryField : 'name',
listeners : {
itemclick : function(o) {
var rec = store2.getAt(o.index);
showThree(rec.get('name'), rec.get('rate'));
}
},
extraStyle : {
legend : {
display : 'bottom',
padding : 5,
font : {
family : 'Tahoma',
size : 13
}
}
}
}
});
store2.load( {
params : {
projectName : proName
}
});
};
//显示第一幅图
Ext.onReady(function() {
store = new Ext.data.JsonStore( {
autoDestroy : true,
url : 'statistics_queryByCbdw.action',
storeId : 'myStore',
root : 'frontStatisticsList',
idProperty : 'name',
fields : [ 'name', 'value', 'rate' ]
});
panel = new Ext.Panel( {
width : 350,
height : 350,
title : '按承办单位统计',
renderTo : 'container',
items : {
store : store,
xtype : 'piechart',
dataField : 'value',
categoryField : 'name',
listeners : {
itemclick : function(o) {
var rec = store.getAt(o.index);
showTwo(rec.get('name'));
}
},
extraStyle : {
legend : {
display : 'bottom',
padding : 5,
font : {
family : 'Tahoma',
size : 13
}
}
}
}
});
});
function show() {
store.load( {
params : {
cbdw : document.getElementById('name').value
}
});
var div = document.getElementById("panel2");
if (div != null && div != undefined) {
div.removeNode(true);
}
;
var div3 = document.getElementById("panel3");
if (div3 != null && div3 != undefined) {
div3.removeNode(true);
}
;
}
</script>
Struts.xml
<action name="statistics_*" class="StatisticsAction" method="{1}">
<result type="json" name="success" />
</action>
效果图：
////////////////////////////////////
- <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
- <%
- String path = request.getContextPath();
- String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
- %>
- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
- <html>
- <head>
- <base href="<%=basePath%>">
- <title>gridPanel</title>
- <meta http-equiv="pragma" content="no-cache">
- <meta http-equiv="cache-control" content="no-cache">
- <meta http-equiv="expires" content="0">
- <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
- <meta http-equiv="description" content="This is my page">
- <link rel="stylesheet" type="text/css" href="ext3.2/resources/css/ext-all.css"></link>
- <script type="text/javascript" src="ext3.2/adapter/ext/ext-base.js"></script>
- <script type="text/javascript" src="ext3.2/ext-all.js"></script>
- <script type="text/javascript" src="ext3.2/src/local/ext-lang-zh_CN.js"></script>
- <script type="text/javascript">
- Ext.onReady(function() { //定义ColumnModel
- var store = new Ext.data.JsonStore({
- fields: ['name', 'visits', 'views'],
- data: [
- {name: '日本', visits: 245000, views: 3000000},
- {name: '韩国', visits: 240000, views: 3500000},
- {name: '泰国', visits: 355000, views: 2000000},
- {name: '伊朗', visits: 375000, views: 3200000},
- {name: '法国', visits: 590000, views: 3500000},
- {name: '德国', visits: 395000, views: 6800000},
- {name: '中国', visits: 580600, views: 8500000}
- ]
- });
- new Ext.Panel({
- title: '国际某某统计图',
- renderTo: 'container',
- width: 500,
- height: 300,
- layout: 'fit',
- items: {
- xtype: 'piechart',
- store: store,
- categoryField: 'name',
- dataField: 'visits',
- extraStyle: {
- legend: {
- display: 'bottom',
- padding: 5,
- font: {
- family : 'Tahoma',
- size: 13
- }
- }
- },
- listeners: {
- itemclick: function(o) {
- var rec = store.getAt(o.index);
- Ext.example.msg('选择提示', '你选择了-{0}.', rec.get('name'));
- }
- }
- }
- });
- });
- </script>
- </head>
- <body>
- <div id="container"> </div>
- </body>
- </html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>gridPanel</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<link rel="stylesheet" type="text/css" href="ext3.2/resources/css/ext-all.css"></link>
<script type="text/javascript" src="ext3.2/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext3.2/ext-all.js"></script>
<script type="text/javascript" src="ext3.2/src/local/ext-lang-zh_CN.js"></script>
<script type="text/javascript">
Ext.onReady(function() { //定义ColumnModel
var store = new Ext.data.JsonStore({
fields: ['name', 'visits', 'views'],
data: [
{name: '日本', visits: 245000, views: 3000000},
{name: '韩国', visits: 240000, views: 3500000},
{name: '泰国', visits: 355000, views: 2000000},
{name: '伊朗', visits: 375000, views: 3200000},
{name: '法国', visits: 590000, views: 3500000},
{name: '德国', visits: 395000, views: 6800000},
{name: '中国', visits: 580600, views: 8500000}
]
});
new Ext.Panel({
title: '国际某某统计图',
renderTo: 'container',
width: 500,
height: 300,
layout: 'fit',
items: {
xtype: 'piechart',
store: store,
categoryField: 'name',
dataField: 'visits',
extraStyle: {
legend: {
display: 'bottom',
padding: 5,
font: {
family : 'Tahoma',
size: 13
}
}
},
listeners: {
itemclick: function(o) {
var rec = store.getAt(o.index);
Ext.example.msg('选择提示', '你选择了-{0}.', rec.get('name'));
}
}
}
});
});
</script>
</head>
<body>
<div id="container"> </div>
</body>
</html>
2：效果图
xtype指定为piechart, 然后将图像呈现在Panel中，categoryField指定类别数据显示了name属性的数据，
dataField指定扇区数据显示visits属性数据
///////////////////////////
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>独乐不如众乐</title>
<link href='http://cdn.sencha.io/ext-4.2.0-gpl/resources/css/ext-all.css' rel='stylesheet' type='text/css' />
<script type="text/javascript" charset="utf-8" src="http://cdn.sencha.io/ext-4.2.0-gpl/ext-all.js"></script>
<script type="text/javascript">
Ext.onReady(function() {
// 随机测试数据的生成
function generateData() {
var data = [{
'name' : 'metric one'
}, {
'name' : 'metric two'
}, {
'name' : 'metric three'
}, {
'name' : 'metric four'
}, {
'name' : 'metric five'
}];
data.forEach(function(e, i, self) {
e['data'] = Math.round(Math.random() * 100);
});
return data;
}
var store = Ext.create('Ext.data.JsonStore', {
fields : ['name', 'data']
});
store.loadData(generateData());
var donut = false;
// chart饼图的容器
var chart = Ext.create('Ext.chart.Chart', {
xtype : 'chart',
animate : true,
store : store,
shadow : true,
legend : {
position : 'right'
},
// 跟padding有点类似 饼图距离面板边的长度
insetPadding : 60,
theme : 'Base:gradients',
// 饼图的设置
series : [{
type : 'pie',
field : 'data',
showInLegend : true,
donut : donut,
// 鼠标经过时的显示的tips
tips : {
trackMouse : true,
width : 140,
height : 28,
renderer : function(storeItem, item) {
// calculate percentage.
var total = 0;
store.each(function(rec) {
total += rec.get('data');
});
this.setTitle(storeItem.get('name') + ': ' + Math.round(storeItem.get('data') / total * 100)
+ '%');
}
},
// 高亮时 扇形偏移距离
highlight : {
segment : {
margin : 20
}
},
// 文字配置
label : {
field : 'name',
display : 'rotate',
contrast : true,
font : '18px Arial'
}
}]
});
var panel = Ext.create('widget.panel', {
width : 800,
height : 600,
title : 'Semester Trends',
renderTo : Ext.getBody(),
layout : 'fit',
tbar : [{
text : 'Save Chart',
handler : function() {
Ext.MessageBox.confirm('Confirm Download', 'Would you like to download the chart as an image?',
function(choice) {
if (choice == 'yes') {
chart.save({
type : 'image/png'
});
}
});
}
}, {
text : 'Reload Data',
handler : function() {
store.loadData(generateData());
}
}, {
enableToggle : true,
pressed : false,
text : 'Donut',
toggleHandler : function(btn, pressed) {
//chart.series是一个Ext.util.MixedCollection
chart.series.first().donut = pressed ? 35 : false;
chart.refresh();
}
}],
items : chart
});
});
</script>
</head>
<body>
</body>
</html>