您好,登录后才能下订单哦!
密码登录
登录注册
点击 登录注册 即表示同意《亿速云用户服务条款》
本篇内容介绍了“springMVC盗链接是什么意思”的有关知识,在实际案例的操作过程中,不少人都会遇到这样的困境,接下来就让小编带领大家学习一下如何处理这些情况吧!希望大家仔细阅读,能够学有所成!
springMVC配置文件
登陆验证
登录的拦截器LoginInterceptor:
jsp页面: login.jsp
main.jsp
验证账号密码
进行拦截 登录才能访问
点击退出清除session
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd"> <!--自动扫描包--> <!-- 开启ioc 注解事务支持--> <context:component-scan base-package="cn"></context:component-scan> <!--开启spiring mvc注解支持--> <mvc:annotation-driven></mvc:annotation-driven> <!--配置spring 中的视图解析器--> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="resolver"> <property name="prefix" value="/"></property> <property name="suffix" value=".jsp"></property> </bean> <mvc:interceptors> <mvc:interceptor> <mvc:mapping path="/**"/> <bean id="loginInterceptor" class="cn.hp.interceptor.LoginInterceptor"></bean> </mvc:interceptor> </mvc:interceptors> </beans>
web.xml文件在我上一篇文章中拦截器https://blog.csdn.net/best_p1/article/details/118637785
package cn.hp.action; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import javax.servlet.http.HttpSession; @Controller public class UserAction { @RequestMapping("/test1.do") public String test01(){ System.out.println("正在执行test1这个业务逻辑"); return "index"; } @RequestMapping("/test2.do") public String test02(){ System.out.println("正在执行test2这个业务逻辑"); return "index"; } @RequestMapping("/login.do") public String login(String userName, String pwd, Model model,HttpSession session){ if (userName.equals("zs")&&pwd.equals("123")){ session.setAttribute("user",userName); return "redirect:/main.do"; }else { model.addAttribute("msg","用户名和密码错误"); return "login"; } } @RequestMapping("/main.do") public String main(){ return "main"; } @RequestMapping("/loginOut.do") public String loginOut(HttpSession session){ session.invalidate(); return "login"; } }
package cn.hp.interceptor; import org.springframework.web.servlet.HandlerInterceptor; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class LoginInterceptor implements HandlerInterceptor { @Override public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { String path= request.getRequestURI(); if(path.indexOf("login.do")>0){ return true; } Object obj= request.getSession().getAttribute("user"); if (obj!=null){ return true; }else { request.setAttribute("msg","别想歪心思!请登录!"); request.getRequestDispatcher("login.jsp").forward(request,response); return false; } } @Override public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception { } @Override public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception { } }
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> <form action="login.do" method="post"> 账号:<input type="text" name="userName"><br/> 密码:<input type="password" name="pwd"><br/> <input type="submit" value="登录"> </form> ${msg} </body> </html>
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> ${user} <a href="loginOut.do">退出</a> </body> </html>
登录成功 可以访问test1.do test2.do
“springMVC盗链接是什么意思”的内容就介绍到这里了,感谢大家的阅读。如果想了解更多行业相关的知识可以关注亿速云网站,小编将为大家输出更多高质量的实用文章!
免责声明:本站发布的内容(图片、视频和文字)以原创、转载和分享为主,文章观点不代表本网站立场,如果涉及侵权请联系站长邮箱:is@yisu.com进行举报,并提供相关证据,一经查实,将立刻删除涉嫌侵权内容。