(23)ExtJS之表单数据异步提交
JS文件:
//1:表单数据异步提交
Ext.onReady(function(){
Ext.QuickTips.init();
var loginForm=Ext.create('Ext.form.Panel',{
title:'表单提交示例',
width:230,
frame:true,
fieldDefaults:{
labelSeparator:':',
labelWidth:50,
msgTarget:'side',
width:200
},
renderTo:Ext.getBody(),
bodyPadding:5,
defaultType:'textfield',
items:[{
fieldLabel:'用户名',
name:'userName',
allowBlank:false,
vtype:'email'
},{
fieldLabel:'密码',
name:'password',
inputType:'password',
allowBlank:false
}],
buttons:[{
text:'登录',
handler:login
},{
text:'重置',
handler:reset
}]
});
function login(){//提交表单
loginForm.getForm().submit({
clientValidation:true,//进行客户端验证
url:'012_loginServer.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','系统登陆成功');
},
failure:function(form,action){//加载失败的处理函数
Ext.Msg.alert('提示','系统登录失败，原因：'+action.failureType);
}
});
}
function reset(){//重置表单
logiNForm.form.reset();
}
});
012_loginServer.jsp:
<%@ 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 '012_loginServer.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">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<%
String password=request.getParameter("password");
String msg="";
if(password.length()<6){//密码不足六位验证失败
msg="{success:false,errors:{password:'密码不得小于六位数字'}}";
}else{//验证成功
msg="{success:true}";
}
response.getWriter().write(msg);
%>
</body>
</html>
访问的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/012_form_login.js"></script>
</head>
<body>
</body>
</html>