HTML from 表单提交请求到servlet 实例

谁借莪１个温暖的怀抱￠ 2023-10-16 19:44 14阅读 0赞

HTML源码展示：

<!DOCTYPE html>
    <html>
    <head>
    <style type="text/css">
    div#container{width:100%;}
    
    div#menu {background-color:#e2e6ee;height:500px;width:50%;float:left;text-align:center; background-image:margin:0; color:#333333;}
    div#content {background-color:#EEEEEE;height:500px;width:50%;float:left;width:expression(window.screen.height);}
    body{background:#1d3647;}
    #from{ margin-top:20%;margin-left:10%;}
    #logo{margin-top:20%; float:right; margin-right:10%; }
    #adv{margin-top:27%; float:right; margin-right:1%; font:"宋体"; color:#777; font-size:14px;}
    </style>
    </head>
    
    <body>
    <br/>
    <br/>
    
    
    <div id="container">
    
    
    
    <div id="menu">
    <img src="platefrom/images/LOGO01.gif"id="logo"/><br/>
    <div id="adv">
    <strong>  1- 地区商家信息网门户站建立的首选方案...</strong><br/><br/>
    <strong>2- 一站通式的整合方式，方便用户使用...</strong><br/><br/>
    <strong>3- 强大的后台系统，管理内容易如反掌...</strong>
    </div>
    
    </div>
    
    <div id="content">
    
     <form action="./LoginServlet" method="get" id="from">
     <strong style="font:'宋体'; color:#777; font-size:16px;">登入后台信息管理</strong><br/><br/>
    用户名:        <input type="text" name="username"  /><br /><br/>
    密  码:        <input type="password" name="password" /><br /> <br/><br/>   
    
    <input type="submit"  value="登    陆" style="font:'宋体'; font-size:16px;"/>      
    <input type="submit"  value="取    消" style="font:'宋体'; font-size:16px;"/>
    </form>
    </div>
    
    
    </div>
    
    </body>
    </html>

后台Servlet

package com.platefrom.servlet;
    
    import java.io.IOException;
    
    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 doGet(HttpServletRequest request, HttpServletResponse response)
    			throws ServletException, IOException {
    		// TODO Auto-generated method stub
    		//默认用户名和密码：admin和123456
    		String username=request.getParameter("username");
    		String password=request.getParameter("password");
    		//逻辑判断操作
    		if(username.equals("admin")&&password.equals("123456")){
    			//功能界面
    			response.sendRedirect("./platefrom/main.html");
    		}else{
    			//登入页面
    			response.sendRedirect("./platefrom/login.html");
    		}
    		
    	}
    
    	@Override
    	public void doPost(HttpServletRequest request, HttpServletResponse response)
    			throws ServletException, IOException {
    		// TODO Auto-generated method stub
    		this.doGet(request, response);
    	}
    	
    	
    
    }