SpringMVC 登陆拦截器实现登陆控制

来源：互联网发布：pc3000数据恢复工具编辑：程序博客网时间：2024/04/20 18:44

思路，先登陆后，将登陆信息存储在session中，然后通过拦截器，对系统中的页面和资源进行访问拦截，同时对于登陆本身相关的页面和资源不拦截。

实现方法：

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/**
* 登陆拦截器.
*
* @author leizhimin 2014/6/26 16:08
*/
public class LoginInterceptor extends HandlerInterceptorAdapter {
    private static final String[] IGNORE_URI = {"/login.jsp", "/Login/","backui/","frontui/"};

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        boolean flag = false;
        String url = request.getRequestURL().toString();
        System.out.println(">>>: " + url);
        for (String s : IGNORE_URI) {
            if (url.contains(s)) {
                flag = true;
                break;
            }
        }
        if (!flag) {
            T_supplier_user user = LoginController.getLoginUser(request);
            if (user != null) flag = true;
        }
        return flag;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        super.postHandle(request, response, handler, modelAndView);
    }
}

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    <mvc:interceptors>
        <mvc:interceptor>
            <mvc:mapping path="/**"/>
            <bean id="loginInterceptor" class="net.xiucheren.web.interceptor.LoginInterceptor"/>
        </mvc:interceptor>
    </mvc:interceptors>

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