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  • Springboot2.1.1下的自定义拦截器而静态资源不能访问的问题 Angry

    1.项目结构

    2.自定义拦截器

    public class LoginHandlerlnterceptor implements HandlerInterceptor {
        //目标方法执行之前
        @Override
        public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
            Object loginname = request.getSession().getAttribute("loginname");
            if(loginname==null||loginname.equals("")){
                //未登录,返回登陆界面
                request.setAttribute("msg","没有权限,请先登陆");
                //返回登陆page并且相应
               // response.sendRedirect("/index.html");
                request.getRequestDispatcher("/").forward(request,response);
                return false;
            }else
            {
                //已经登陆,放行
                return true;
            }
    
        }
    
        @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 {
    
        }
    }
    View Code

    3.拦截器加入mvc

    public class Mymvc implements WebMvcConfigurer {
        //注册拦截器
        @Override
        public void addInterceptors(InterceptorRegistry registry) {
            //springboot1已经做好了静态资源映射了,可以访问到
            registry.addInterceptor(new LoginHandlerlnterceptor()).addPathPatterns("/**").excludePathPatterns("/", "/user/logins", "/login.html").excludePathPatterns("/img/**",
                    "/css/**", "/webjars/**");
        }
    
    }
      
    View Code

    ok!                     还有不明白的可以下面留言

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  • 原文地址:https://www.cnblogs.com/pythoncd/p/10231209.html
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