接收全部参数getParameterNames()
2016-10-01 01:20
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html:
<!DOCTYPE html>
<html>
<head>
<title>接收全部参数</title>
<meta name="keywords" content="keyword1,keyword2,keyword3">
<meta name="description" content="this is my page">
<meta name="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
</head>
<body>
<form action="request_demo3.jsp" method="post">
姓名:<input type="text" name="uname"><br>
性别:<input type="radio" name="sex" value="男" checked>男
<input type="radio" name="sex" value="女">女<br>
城市:<select name="city">
<option value="北京">北京</option>
<option value="上海">上海</option>
<option value="深圳">深圳</option>
<option value="广州">广州</option>
<option value="西安">西安</option>
</select><br>
爱好:<input type="checkbox" name="inst" value="c语言">c语言
<input type="checkbox" name="inst" value="c++语言">c++语言
<input type="checkbox" name="inst" value="c#语言">c#语言
<input type="checkbox" name="inst" value="object-c语言">object-c语言
<input type="checkbox" name="inst" value="ASP.NET语言">ASP.NET语言<br>
自我介绍:<textarea cols="30" rows="3" name="note"></textarea><br>
<input type="submit" value="提交"><br />
<input type="reset" value="重置"><br />
</form>
</body>
</html>
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 'request_demo3.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>
<%
request.setCharacterEncoding("UTF-8");
%>
<center>
<table border="1">
<tr>
<td>参数名称</td>
<td>参数内容</td>
</tr>
<%
Enumeration<String> enu=request.getParameterNames();
while(enu.hasMoreElements())
{
String paramName=enu.nextElement();
%>
<tr>
<td><%=paramName%></td>
<td>
<%
if(paramName.startsWith("**")){
String paramValue[]=request.getParameterValues(paramName);
for(int i=0;i<paramValue.length;i++)
{
%>
<%=paramValue[i]%>
<%
}
}
else
{
String paravalue=request.getParameter(paramName);
%>
<%=paravalue%>
<%
}
%>
</td>
</tr>
<%
}
%>
</table>
</center>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>接收全部参数</title>
<meta name="keywords" content="keyword1,keyword2,keyword3">
<meta name="description" content="this is my page">
<meta name="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
</head>
<body>
<form action="request_demo3.jsp" method="post">
姓名:<input type="text" name="uname"><br>
性别:<input type="radio" name="sex" value="男" checked>男
<input type="radio" name="sex" value="女">女<br>
城市:<select name="city">
<option value="北京">北京</option>
<option value="上海">上海</option>
<option value="深圳">深圳</option>
<option value="广州">广州</option>
<option value="西安">西安</option>
</select><br>
爱好:<input type="checkbox" name="inst" value="c语言">c语言
<input type="checkbox" name="inst" value="c++语言">c++语言
<input type="checkbox" name="inst" value="c#语言">c#语言
<input type="checkbox" name="inst" value="object-c语言">object-c语言
<input type="checkbox" name="inst" value="ASP.NET语言">ASP.NET语言<br>
自我介绍:<textarea cols="30" rows="3" name="note"></textarea><br>
<input type="submit" value="提交"><br />
<input type="reset" value="重置"><br />
</form>
</body>
</html>
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 'request_demo3.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>
<%
request.setCharacterEncoding("UTF-8");
%>
<center>
<table border="1">
<tr>
<td>参数名称</td>
<td>参数内容</td>
</tr>
<%
Enumeration<String> enu=request.getParameterNames();
while(enu.hasMoreElements())
{
String paramName=enu.nextElement();
%>
<tr>
<td><%=paramName%></td>
<td>
<%
if(paramName.startsWith("**")){
String paramValue[]=request.getParameterValues(paramName);
for(int i=0;i<paramValue.length;i++)
{
%>
<%=paramValue[i]%>
<%
}
}
else
{
String paravalue=request.getParameter(paramName);
%>
<%=paravalue%>
<%
}
%>
</td>
</tr>
<%
}
%>
</table>
</center>
</body>
</html>
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