本文共 1507 字，大约阅读时间需要 5 分钟。

springMVC也有自己的拦截器：

package 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 MyInterceptor implements HandlerInterceptor {       @Override    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {           System.out.println("拦截请求");        return true;//如果是true，则会放行，如果是false则会卡在这里    }    @Override    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {           System.out.println("拦截响应");    }    @Override    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {           System.out.println("渲染完毕");    }}

第二步：xml文件IOC容器中配置：

2.还可以指定拦截范围

拦截的顺序：

转载地址：http://fbhe.baihongyu.com/