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lesson_43.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Ext.grid.feature.Summary-犸特头</title>
<!-- extjs -->
<link rel="stylesheet" type="text/css" href="../ext-4.2.1.883/resources/css/ext-all-neptune.css">
<!--<script type="text/javascript" src="../extjs/ext-all.js"></script>-->
<script type="text/javascript" src="../ext-4.2.1.883/ext-all-debug-w-comments.js"></script>
<script type="text/javascript" src="../ext-4.2.1.883/locale/ext-lang-zh_CN.js"></script>
<style type="text/css" >
body{padding: 20px 0 0 20px;}
h3{padding:none;margin:none;}
.add{ background-image: url(../ext-4.2.1.883/examples/menu/images/add.gif) !important;}
.add16{ background-image: url(../ext-4.2.1.883/examples/menu/images/add16.gif) !important;}
.block {
border: 1px red solid;
height:80px;
margin-top:50px;
padding:20px 0 0 20px;
clear:both;
}
.item {
border: 1px #000 solid;
margin-right:10px;
width: 200px;
height: 40px;
text-align:center;
padding-top:20px;
color:White;
cursor:pointer;
}
.my-body-class{backgroud-color:red;}
</style>
</head>
<body>
<script type="text/javascript">
// 设置项目
Ext.application({
name: 'MyApp', // 项目名称
//appFolder : 'app' // 项目文件 。默认值为 app
launch: function() {
Ext.define('TestResult', {
extend: 'Ext.data.Model',
fields: ['student', 'subject', {
name: 'mark',
type: 'int'
}]
});
Ext.create('Ext.grid.Panel', {
width: 200,
height: 240,
//renderTo: document.body,
renderTo: 'display',
features: [{
ftype: 'summary'
}],
store: {
model: 'TestResult',
data: [{
student: '张三',
subject: '数学',
mark: 84
},{
student: '张三',
subject: '科学',
mark: 72
},{
student: '李四',
subject: '数学',
mark: 96
},{
student: '李四',
subject: '科学',
mark: 68
}]
},
columns: [{
dataIndex: 'student',
text: '学生姓名',
summaryType: 'count',
summaryRenderer: function(value){
return Ext.String.format('人数:{0} {1}', value, value !== 1 ? 's' : '');
}
}, {
dataIndex: 'mark',
text: '成绩',
//summaryType: 'average' 平均值
//summaryType: 'count' 计数
//summaryType: 'min' 最小值
summaryType: 'max'
}]
});
}
});
</script>
<div id="display">
</div>
<a href="../ext-4.2.1.883/docs/index.html#!/api/Ext.grid.feature.Summary" target="_blank"><h3>Ext.grid.feature.Summary</h3></a>
<a href="http://blog.mttqq.com" target="_blank"><h3>犸特头-Extjs4更多学习</h3></a>
<h3>Q群:311176787</h3>
<a target="_blank" href="http://wp.qq.com/wpa/qunwpa?idkey=f50865b2598688abcae47cca8ae48b5c1ea26a45194c640071eefdd7212d3a2e"><img border="0" src="http://pub.idqqimg.com/wpa/images/group.png" alt="extjs 技术交流" title="extjs 技术交流"></a>
</body>
</html>