整合springMVC自定义拦截器

最新推荐文章于 2025-06-18 02:57:18 发布

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最新推荐文章于 2025-06-18 02:57:18 发布

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分类专栏： Springboot

本文链接：https://blog.youkuaiyun.com/qq_40551994/article/details/99878832

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本文详细介绍了一种在SpringMVC框架中实现自定义拦截器的方法。通过创建一个实现了HandlerInterceptor接口的类，并在配置文件中注册该拦截器，可以实现在请求处理前后的预处理和后处理操作。

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package com.baidu.intercptor;

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
public class Myintercptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("preHandle method is running!");
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        System.out.println("postHandle method is running!");
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("afterCompletion method is running!");
    }

}

package com.baidu.config;


import com.baidu.intercptor.Myintercptor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class MvcConfiguration implements WebMvcConfigurer {

    @Autowired
    Myintercptor myintercptor;

            //注册拦截器
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(myintercptor).addPathPatterns("/*");
    }
}