(22)ExtJS之表单数据加载示例
JS文件：
//表单数据加载示例：
Ext.onReady(function(){
Ext.QuickTips.init();
var productForm=Ext.create('Ext.form.Panel',{
title:'表单表单加载示例',
width:300,
frame:true,
fieldDefaults:{
labelSeparator:':',
labelWidth:80,
width:200
},
renderTo:Ext.getBody(),
items:[{
fieldLabel:'产品名称',
xtype:'textfield',
name:'productName',
value:'U盘'//同步加载数据
},{
fieldLabel:'金额',
xtype:'numberfield',
name:'price',
value:100//同步加载数据
},{
fieldLabel:'生产日期',
xtype:'datefield',
format:'Y年m月d日',//显示日期的格式
name:'date',
value:new Date()//同步加载数据
},{
xtype:'hidden',
name:'productId',
value:'001'//产品id
},{
fieldLabel:'产品简介',
name:'introduction',
xtype:'textarea'
}],
buttons:[{
text:'加载简介',
handler:loadIntroduction
}]
});
//表单加载数据的回调函数
function loadIntroduction(){
var params=productForm.getForm().getValues();
productForm.getForm().load({
params:params,//传递参数
url:'011_1productServer.jsp',//请求的url地址
method:'GET',//请求方式
success:function(form,action){//加载成功的处理函数
Ext.Msg.alert('提示','产品简介加载成功');
},
failure:function(form,action){//加载失败的处理函数
Ext.Msg.alert('提示','产品简介加载失败<br>失败原因:');
}
});
}
});
jsp文件：
<%@ 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>My JSP 'JS1.jsp' starting page</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">
<!-- extjs的样式文件 -->
<link rel="stylesheet" type="text/css" href="js/extjs/resources/css/ext-all.css">
<!-- extjs的核心文件 -->
<script type="text/javascript" charset="utf-8" src="js/extjs/ext-all-debug.js"></script>
<!-- 国际化文件 -->
<script type="text/javascript" charset="utf-8" src="js/extjs/ext-lang-zh_CN.js"></script>
<script type="text/javascript" charset="utf-8" src="base/011_form_dateandother.js"></script>
</head>
<body>
</body>
</html>