编写一个提交、显示的jsp页面
2012-11-07 20:39
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//提交页面
<%@ page Xlanguage="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 'demo1.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 background="images/2.jpg">
<p align="center">
提交表单
</p>
<form action="servlet/DemoServlet" method="post">
<table border="1px" align="center">
<tr>
<td>
name
</td>
<td>
<input type="text" name="userName" />
</td>
</tr>
<tr>
<td>
sex
</td>
<td>
<input type="radio" value="男" name="sex" />男
<input type="radio" value="女" name="sex" />女
</td>
</tr>
<tr>
<td>
address
</td>
<td>
<input type="text" name="address">
</td>
</tr>
<tr>
<td>
likes
</td>
<td>
<input type="checkbox" name="likes" value="sing" />sing
<input type="checkbox" name="likes" value="dance" />dance
<input type="checkbox" name="likes" value="game" />game
</td>
</tr>
<tr>
<td></td>
<td align="center">
<input type="submit" value="提交" />
<input type="reset" value="重置" />
</td>
</tr>
</table>
</form>
</body>
</html>
//servlet代码：
package com.hbsi.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class DemoServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
request.setCharacterEncoding("UTF-8");
PrintWriter out=response.getWriter();
String userName=request.getParameter("userName");
String sex=request.getParameter("sex");
String address=request.getParameter("address");
String[] likes=request.getParameterValues("likes");
String like = "";
for(int i=0;likes!=null&&i<likes.length;i++){
like+=likes[i]+" ";
}
request.setAttribute("userName",userName);
request.setAttribute("sex",sex);
request.setAttribute("address",address);
request.setAttribute("like",like);
if(userName.equals("")){
out.print("请填写信息!!");
}else{
request.getRequestDispatcher("/demo2.jsp").forward(request, response);
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}
//输出页面
<%@ page Xlanguage="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 'demo2.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 background="images/1.jpg">
<div align="center">
<%
out.print("姓名:"+request.getAttribute("userName")+"<br>");
out.print("性别:"+request.getAttribute("sex")+"<br>");
out.print("地址:"+request.getAttribute("address")+"<br>");
out.print("爱好:"+request.getAttribute("like")+"<br>");
%>
</div>
</body>
</html>
效果：
提交页面：
输出页面：
<%@ page Xlanguage="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 'demo1.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 background="images/2.jpg">
<p align="center">
提交表单
</p>
<form action="servlet/DemoServlet" method="post">
<table border="1px" align="center">
<tr>
<td>
name
</td>
<td>
<input type="text" name="userName" />
</td>
</tr>
<tr>
<td>
sex
</td>
<td>
<input type="radio" value="男" name="sex" />男
<input type="radio" value="女" name="sex" />女
</td>
</tr>
<tr>
<td>
address
</td>
<td>
<input type="text" name="address">
</td>
</tr>
<tr>
<td>
likes
</td>
<td>
<input type="checkbox" name="likes" value="sing" />sing
<input type="checkbox" name="likes" value="dance" />dance
<input type="checkbox" name="likes" value="game" />game
</td>
</tr>
<tr>
<td></td>
<td align="center">
<input type="submit" value="提交" />
<input type="reset" value="重置" />
</td>
</tr>
</table>
</form>
</body>
</html>
//servlet代码：
package com.hbsi.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class DemoServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
request.setCharacterEncoding("UTF-8");
PrintWriter out=response.getWriter();
String userName=request.getParameter("userName");
String sex=request.getParameter("sex");
String address=request.getParameter("address");
String[] likes=request.getParameterValues("likes");
String like = "";
for(int i=0;likes!=null&&i<likes.length;i++){
like+=likes[i]+" ";
}
request.setAttribute("userName",userName);
request.setAttribute("sex",sex);
request.setAttribute("address",address);
request.setAttribute("like",like);
if(userName.equals("")){
out.print("请填写信息!!");
}else{
request.getRequestDispatcher("/demo2.jsp").forward(request, response);
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}
//输出页面
<%@ page Xlanguage="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 'demo2.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 background="images/1.jpg">
<div align="center">
<%
out.print("姓名:"+request.getAttribute("userName")+"<br>");
out.print("性别:"+request.getAttribute("sex")+"<br>");
out.print("地址:"+request.getAttribute("address")+"<br>");
out.print("爱好:"+request.getAttribute("like")+"<br>");
%>
</div>
</body>
</html>
效果：
提交页面：
输出页面：
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