访问路径--过滤器

spring-mvc.xml

<!-- 以下配置将拦截所有的URL请求 -->
<mvc:interceptors>
<bean class="**过滤类***AccessHandlerInterceptor" />
</mvc:interceptors>


<!-- 以下配置将拦截特有的URL请求 -->
<mvc:interceptors>

 <mvc:interceptor>
<mvc:mapping path="/main/*"/>
<bean class="过滤类" />
</mvc:interceptor>

<mvc:interceptor>
<mvc:mapping path="/admin/*.do"/>
<bean class="过滤类" />
</mvc:interceptor>

</mvc:interceptors>
<!-- 
ps:
/**的意思是所有文件夹及里面的子文件夹
/*是所有文件夹，不含子文件夹
-->

 java

import java.util.ArrayList;
import java.util.List;

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

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

 

public class AccessHandlerInterceptor implements HandlerInterceptor {
  	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object arg2) throws Exception {

 		
 		
 		String path = request.getContextPath();
 		String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
		String remoteAddress = request.getRemoteAddr();
		String servletPath = request.getServletPath();
		String realPath = request.getRealPath("/");
		String remoteUser = request.getRemoteUser();
		String requestURI = request.getRequestURI();
		System.out.println(request.getParameter("path") + "######");// 获取参数
		String contextPath = request.getContextPath().replaceAll("\\/+", "/");
		String accessUrl = request.getRequestURI().substring(
				contextPath.length());
		//获取需要的信息，不同返回处理
/**
   response.setStatus(400);
   response.setContentType("text/html;charset=UTF-8");
   response.getWriter().write("<script>window.location.href=\""  + request.getContextPath() + "/error\";</script>");
   return false;
**/

             return true;
	}

 	@Override
	public void afterCompletion(HttpServletRequest arg0,
			HttpServletResponse arg1, Object arg2, Exception arg3)
			throws Exception {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,
			Object arg2, ModelAndView arg3) throws Exception {
		// TODO Auto-generated method stub
		
	}
}