使用SpringMVC攔截器實(shí)現(xiàn)日志記錄的方法

public class MyInterceptors implements HandlerInterceptor{ 
  /** 
   * 在渲染視圖之后被調(diào)用； 
   * 可以用來(lái)釋放資源 
   */  
  public void afterCompletion(HttpServletRequest arg0, 
      HttpServletResponse arg1, Object arg2, Exception arg3) 
      throws Exception { 
    // TODO Auto-generated method stub 
    System.out.println("MyInterceptors afterCompletion"); 
  } 
  /** 
   * 該方法在目標(biāo)方法調(diào)用之后，渲染視圖之前被調(diào)用； 
   * 可以對(duì)請(qǐng)求域中的屬性或視圖做出修改 
   * 
   */ 
  public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, 
      Object arg2, ModelAndView arg3) throws Exception { 
    // TODO Auto-generated method stub 
    System.out.println("MyInterceptors postHandle");     
  } 
 
  /** 
   * 可以考慮作權(quán)限，日志，事務(wù)等等 
   * 該方法在目標(biāo)方法調(diào)用之前被調(diào)用； 
   * 若返回TURE,則繼續(xù)調(diào)用后續(xù)的攔截器和目標(biāo)方法 
   * 若返回FALSE,則不會(huì)調(diào)用后續(xù)的攔截器和目標(biāo)方法 
   * 
   */ 
  public boolean preHandle(HttpServletRequest arg0, HttpServletResponse arg1, 
      Object arg2) throws Exception { 
    // TODO Auto-generated method stub 
    HandlerMethod handlerMethod = (HandlerMethod) arg2;  
    System.out.println("MyInterceptors preHandle 調(diào)用方法名："+handlerMethod.getMethod().getName()); 
    /* 
      寫(xiě)一個(gè)日記類和Service，將需要的屬性保存到數(shù)據(jù)庫(kù)       
    */ 
 
    return true; 
  } 
 
} 

<!-- 裝配攔截器 --> 
<mvc:interceptors> 
  <mvc:interceptor> 
  <mvc:mapping path="/*"/> 
    <bean class="com.datatub.springmvc.interceptors.MyInterceptors"></bean> 
  </mvc:interceptor> 
</mvc:interceptors>