Spring boot 自定义拦截器详解编程语言

 1 package com.zpark.interceptor; 
 2  
 3 import com.zpark.tools.Constants; 
 4 import com.zpark..tools.utils.EmptyUtils; 
 5 import org.slf4j.Logger; 
 6 import org.slf4j.LoggerFactory; 
 7 import org.slf4j.MDC; 
 8 import org.springframework.stereotype.Component; 
 9 import org.springframework.util.StringUtils; 
10 import org.springframework.web.servlet.HandlerInterceptor; 
11 import org.springframework.web.servlet.ModelAndView; 
12 import javax.servlet.http.HttpServletRequest; 
13 import javax.servlet.http.HttpServletResponse; 
14 @Component 
15 public class CommonInterceptor implements HandlerInterceptor { 
16  
17     private Logger log = LoggerFactory.getLogger(CommonInterceptor.class); 
18  
19     @Override 
20     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { 
21 　　　　　log.info("自定义拦截器"); return true; 
34     } 
35  
50     @Override 
51     public void postHandle(HttpServletRequest request,HttpServletResponse response, Object handler,ModelAndView modelAndView) throws Exception { 
52         if(StringUtils.isNotEmpty(modelAndView)) { 
53             modelAndView.addObject("resultCode", "100"); 
54         } 
55     } 
56     @Override 
57     public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception { 
58  
59     } 
60  
61 }

package com.zpark;

import com.zpark.interceptor.CommonInterceptor;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.WebMvcConfigurerAdapter; 
 
/** 
 * @author cosmo 
 * @Title: 
 * @ProjectName  
 * @Description: TODO 
 * @date   
 */ 
@Configuration 
public class MySpringBootConfigurerAdapter extends WebMvcConfigurerAdapter { 
 
    @Autowired 
    private CommonInterceptor commonInterceptor; 
 
    @Override 
    public void addInterceptors(InterceptorRegistry registry) { 
        registry.addInterceptor(commonInterceptor).addPathPatterns("/**"); 
    } 
}