以下为代码部分
package com.zp.servlet; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; public class LoginServlet extends HttpServlet { protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String name = req.getParameter("name"); String password = req.getParameter("password"); if (name.equals("123") && password.equals("123")) { resp.getWriter().write("success!"); } else { resp.getWriter().write("failed!"); } } } <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" version="4.0"> <servlet> <servlet-name>HelloSevlet</servlet-name> <!--与下方mapping的name保持一致--> <servlet-class>com.zp.servlet.HelloServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>HelloSevlet</servlet-name> <!--与上方name保持一致--> <url-pattern>/hello</url-pattern> </servlet-mapping> <servlet> <servlet-name>loginservlet</servlet-name> <!--与下方mapping的name保持一致--> <servlet-class>com.zp.servlet.LoginServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>loginservlet</servlet-name> <!--与上方name保持一致--> <url-pattern>/login</url-pattern> </servlet-mapping> </web-app> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>$Title$</title> </head> <body> <form action="/login" method="post"> name:<input name="name" type="text"> password:<input name="password" type="password"> <input type="submit" value="login"> </form> </body> </html>运行结果图
