web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="WebApp_ID" version="2.5">
<display-name>test2.5</display-name>
<!-- <listener>
<listener-class>javax.servlet.ServletContextListener</listener-class>
</listener>
<listener>
<listener-class>javax.servlet.http.HttpSessionListener</listener-class>
</listener> -->
<!-- <filter>
<filter-name>encodingfilter</filter-name>
<filter-class>com.hr.test.filter.EncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingfilter</filter-name>
<url-pattern>*.do</url-pattern>
</filter-mapping>-->
<servlet>
<servlet-name>loginServlet</servlet-name>
<servlet-class>com.hr.test.servlet.LoginServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>loginServlet</servlet-name>
<url-pattern>/LoginServlet</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>
</web-app>
servlet
package com.hr.test.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 LoginServlet extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = 1L;
@Override
public void init() throws ServletException {
}
public void doGet(HttpServletRequest request, HttpServletResponse response) {
doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response){
String name = (String) request.getParameter("name");
String pwd = (String) request.getParameter("pwd");
if (name.equals("1234") && pwd.equals("123")) {
response.setContentType("text/html");
PrintWriter out=null;
try {
out = response.getWriter();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
out.print("登陆成功!!!");
}
}
@Override
public void destroy() {
// TODO Auto-generated method stub
}
}
index.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 'index.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>
<form action="http://localhost:8080/loginServlet" method="post">
<table>
<tr>
<th>用户名</th>
<th><input name="name"/></th>
</tr>
<tr>
<th>密码</th>
<th><input name="pwd"/></th>
</tr>
<tr>
<th rowspan="1"></th>
<th><input value="登陆" type="submit"/></th>
</tr>
</table>
</form>
</body>
</html>