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网页
<!DOCTYPE html>
<html>
<head>
<title>login.html</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="/FridayJob/login" method="post">
Username:<input type="text" name="username"><br /> Password:<input
type="password" name="password"><br /> <input type="submit"
value="Login"><br />
</form>
</body>
</html>
Java文件
package web.demo;
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 {
// doget输出实在控制台输出的
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// 获得用户名
String username = request.getParameter("username");
// 获得密码
String passord = request.getParameter("password");
// 输出用户名和密码
System.out.println("用户名:" + username + " 密码:" + passord);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}
XML文件
<servlet>
<servlet-name>LoginServlet</servlet-name>
<servlet-class>web.demo.LoginServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>LoginServlet</servlet-name>
<url-pattern>/login</url-pattern>
</servlet-mapping>结果
