jsp页面中文本框，下拉框，单选框，复选框，文本域的清空
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<%@ 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>缓存技术的应用</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">
-->
<script type="text/javascript">
//清空查询条件
function clearForm(){
document.getElementById('name').value="";
document.getElementById('sex').value="";
document.getElementById('textfield').value="";
//清空单选和复选框
var checked = checked || false;
var objects = document.getElementsByTagName("input"); //拿到input的值
for(var i=0;i<objects.length;i++){
if(objects[i].type=='radio' || objects[i].type=='checkbox'){ //判断类型
if(checked==true)
objects[i].checked="checked";
else
objects[i].checked="";
}
}
}
</script>
</head>
<body>
<center>
<form action="" name="fm" method="post">
<table border="1">
<tr>
<td colspan="2" align="center">缓存的应用</td>
</tr>
<tr>
<td>
姓名：</td>
<td>
<input name="name" type="text" value=""/>
</td>
</tr>
<tr>
<td>性别：</td>
<td>
<select name="sex">
<option value="">请选择</option>
<option value="男">男</option>
<option value="女">女</option>
</select></td>
</tr>
<tr>
<td>
单位类型：
</td>
<td>
<input type="radio" value="1" name="unittype"/>管理部门
<input type="radio" value="2" name="unittype"/>普通企业
</td>
</tr>
<tr>
<td>常用语言:</td>
<td>
<input type="checkbox" name="name2">java
<input type="checkbox" name="name2">php
<input type="checkbox" name="name2">c++<br>
</td>
</tr>
<tr>
<td>
兴趣爱好：
</td>
<td>
<textarea name="textfield" id="textfield"></textarea>
</td>
</tr>
<tr>
<td align="center" colspan="2">
<input type="submit" value="提交" />
<input type="button" value="重置" onclick="clearForm();" />
</td>
</tr>
</table>
</form>
</center>
</body>
</html>
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