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编程知识 时间:2024-12-04 12:59:23
作者:文/会员上传
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在Spring Boot中实现拦截器可以通过两种方式:实现HandlerInterceptor接口:创建一个类并实现HandlerInterceptor接口,然后实现其preHandle、postHandle和afterCompletion方法,分
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在Spring Boot中实现拦截器可以通过两种方式:
示例代码如下:
@Componentpublic class MyInterceptor implements HandlerInterceptor {@Overridepublic boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {// 在请求处理前进行拦截处理return true;}@Overridepublic void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {// 在请求处理后进行拦截处理}@Overridepublic void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {// 在请求完成后进行拦截处理}}
在配置类中注册拦截器:
@Configurationpublic class InterceptorConfig implements WebMvcConfigurer {@Autowiredprivate MyInterceptor myInterceptor;@Overridepublic void addInterceptors(InterceptorRegistry registry) {registry.addInterceptor(myInterceptor).addPathPatterns("/**");}}
示例代码如下:
@Componentpublic class MyInterceptor extends HandlerInterceptorAdapter {@Overridepublic boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {// 在请求处理前进行拦截处理return true;}@Overridepublic void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {// 在请求处理后进行拦截处理}@Overridepublic void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {// 在请求完成后进行拦截处理}}
在配置类中注册拦截器同样使用addInterceptors方法进行注册。
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