extjs 的grid jsp 练习题
日期：2014-05-16 浏览次数：20388 次
extjs 的grid jsp 练习
grid.jsp
<%@ page language="java" 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>文思创新西安分公司</title>
<link href="pages/favicon.ico" rel="SHORTCUT ICON" />
<!-- Ext lib -->
<link rel="stylesheet" type="text/css"
href="<%=basePath%>script/ext/resources/css/ext-all.css">
<script type="text/javascript"
src="<%=basePath%>script/ext/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="<%=basePath%>script/ext/ext-all.js"></script>
<script type="text/javascript"
src="<%=basePath%>script/ext/locale/ext-lang-zh_CN.js"></script>
<script type="text/javascript">
Ext.onReady(function() {
?Ext.BLANK_IMAGE_URL?=?'script/ext/resources/images/default/s.gif';
????Ext.QuickTips.init();
//定义grid 选择为 复选框选择
var sm = new Ext.grid.CheckboxSelectionModel();
var cm = new Ext.grid.ColumnModel([//列模型
new Ext.grid.RowNumberer(),//每一行显示行号
sm,
{header:'编号',dataIndex:'id'},
{header:'名称',dataIndex:'name'},
{header:'描述',dataIndex:'descn'}
]);
cm.defaultSortable = true;
var ds = new Ext.data.Store({
baseParams: { limit:10,query:'中' ,name:'ggg'},
proxy: new Ext.data.HttpProxy({url:'data.jsp'}),
reader: new Ext.data.JsonReader({
totalProperty: 'totalProperty',
root: 'root'
}, [
{name: 'id'},
{name: 'name'},
{name: 'descn'}
])
});
ds.load({params:{start:0,limit:10}});
var grid = new Ext.grid.GridPanel({
el: 'grid',
ds: ds,
cm: cm,
sm: sm,
height:300,
width:500,
title: 'JSP->JSON',
tbar:[{
text:'选择',
handler: getAllSelecteds
}],
bbar: new Ext.PagingToolbar({
pageSize: 10,
store: ds,
displayInfo: true,
displayMsg: '显示第 {0} 条到 {1} 条记录，一共 {2} 条',
emptyMsg: "没有记录"
})
});
grid.render();
function getAllSelecteds()
{
grid.getSelectionModel().each( function (rec){
alert(rec.get("name"));
});
}
});
</script>
</head>
<body>
<div id="grid"></div>
</body>
</html>
data.jsp
<%@ page language="java" pageEncoding="utf-8"%>
<%
String start = request.getParameter("start");
String limit = request.getParameter("limit");
String query = request.getParameter("query");
String name = request.getParameter("name");
int intStart = Integer.parseInt(start);
int intLimit = Integer.parseInt(limit);
System.out.println(query);
System.out.println(name);
out.println("{totalProperty:100,root:[");
StringBuilder sb = new StringBuilder();
for (in
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