17-3.jsp

来自「java的书上例子」· JSP 代码 · 共 75 行

JSP
75
字号
 <html> <head><title>request test</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body bgcolor="#FFFFFF" text="#000000">
<form name="form1" method="post" action="request2.jsp">
  <table width="75%" border="1">
<tr> 
<td width="51%">姓名: 
        <input type="text" name="name">
      </td>
      <td width="49%">密码: 
        <input type="password" name="password">
      </td> </tr>
    <tr> 
      <td width="51%">年龄: 
        <input type="text" name="age">
      </td>
      <td width="49%">电话: 
        <input type="text" name="telephone">
      </td> </tr>
    <tr> 
      <td colspan="2">            
        <input type="checkbox" name="checkbox" value="red" checked>
        <input type="checkbox" name="checkbox" value="white" checked>
        <input type="checkbox" name="checkbox" value="blue">
        <input type="checkbox" name="checkbox" value="black" checked>
                   </td> </tr>
   <tr>
      <td colspan="2">            
        <input type="submit" name="Submit" value="submit">
        <input type="reset" name="reset" value="Reset">
      </td></tr> </table></form></body></html>
request2.jsp
<html> 
<meta http-equiv="Content-Type" content="text/html;charset="gb2312">
<%@page contentType="text/html;charset=gb2312"%>
<%@ page  import="java.util.*"  %>
<body>
<%!  String  name,age,password,telephone;   %>  
<%
    name=request.getParameter("name");
    age=request.getParameter("age");
    password=request.getParameter("password");
    telephone=request.getParameter("telephone");   
 %>
姓名:<%=name%>         密码:<%=password%><br>
年龄:<%=age%>          电话: <%=telephone%><br>
<%  Enumeration  en=request.getParameterNames();
    out.println("输出客户端表单中传给服务器的所有参数名 :"+"<br>");
    while(en.hasMoreElements())
	{  out.println(en.nextElement()+"<br>");     }  
%>
取得名字为checkbox的表单元素的所有值:<br>
<%
   String[]  a=request.getParameterValues("checkbox");
   for(int i=0;i<a.length;i++)
   {   out.println(a[i]+"<br>");           }
%>
 一些基本信息:<br>
 port:  <%=request.getServerPort()%><br>
 name:  <%=request.getServerName()%><br>
 protocol: <%=request.getProtocol()%><br>
 Method:   <%=request.getMethod()%><br>
 path:   <%=request.getServletPath()%><br>
 RealPath:<%=request.getRealPath("requestion2.jsp")%><br>
<%
request.setAttribute("test","hello");
String  s=(String)request.getAttribute("test");
out.println(s+"<br>");
request.removeAttribute("test");
String  ss=(String)request.getAttribute("test");
out.println(ss+"<br>");
%>
</body ></html>

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?