request对象

request表单:

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>request表单</title>
</head>
<body>
<DIV ALIGN="center">
请填写下面的表单<BR>
<FORM ACTION="request.jsp">
请输入你的姓名:<INPUT TYPE=text NAME="姓名"><BR>
请输入你的密码:<INPUT TYPE=password NAME="密码">
<P>你的性别:
<INPUT TYPE=radio NAME="性别" VALUE="男">&nbsp;&nbsp;
<INPUT TYPE=radio NAME="性别" VALUE="女">&nbsp;&nbsp;
<INPUT TYPE=radio NAME="性别" VALUE="保密">保密
</P>
<P>你喜欢的水果有:<BR><BR>
<INPUT TYPE=checkbox NAME="水果" VALUE="苹果">苹果&nbsp;&nbsp;
<INPUT TYPE=checkbox NAME="水果" VALUE="橘子">橘子&nbsp;&nbsp;
<INPUT TYPE=checkbox NAME="水果" VALUE="香蕉">香蕉<BR>
<INPUT TYPE=checkbox NAME="水果" VALUE="桃子">桃子&nbsp;&nbsp;
<INPUT TYPE=checkbox NAME="水果" VALUE="李子">李子&nbsp;&nbsp;
<BR><BR>
<input TYPE=submit Name="enter" VALUE="提交">
<input TYPE=reset Name="rechoice" VALUE="重填">
</form>
</DIV>
</body>
</html>

request:

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>    
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>request对象</title>
</head>
<body>
<CENTER>
<FONT SIZE=5 COLOR="#CC0000">
Request对象示例!<BR>
</FONT>
使用getParameter方法获取用户姓名:
<% out.println(request.getParameter("姓名")); %>
<BR>使用getParameter方法获取用户密码:
<% out.println(request.getParameter("密码")); %>
<FONT SIZE=4 COLOR="#0000FF">
<hr>
<BR>使用getParameterValues()方法获取性别复选框的值如下: 
<%
    String Ncounter[]=request.getParameterValues("性别");
    if(Ncounter!=null)
    { 
        for(int i=0;i<Ncounter.length;i++)
        {
            out.print(Ncounter[i]+"&nbsp;&nbsp;");
        }
        out.print("<HR>");
     }
%>
<BR>使用getParameterValues()方法获取水果复选框的值如下:
<%
    String Ncounter1[]=request.getParameterValues("水果");
    if(Ncounter!=null)
    { 
        for(int i1=0;i1<Ncounter1.length;i1++)
        {
            out.print(Ncounter1[i1]+"&nbsp;&nbsp;");
        }
        out.print("<HR>");
    }
%>
</FONT>
使用getParameter方法获取表单中“确认”按钮的值:
<%
    out.println(request.getParameter("enter")); 
%>
</CENTER>
</body>
</html>

 

posted @ 2019-03-30 23:49  三茶散茶  阅读(134)  评论(0)    收藏  举报