如何实现Spring 的过滤器代码中改写请求的URL,并转发出去,注意,是转发,不是重定向
package com.blog.inteceptor;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import com.blog.entity.User;
public class HandlerInteceptor implements HandlerInterceptor{
public void afterCompletion(HttpServletRequest arg0,
HttpServletResponse arg1, Object arg2, Exception arg3)
throws Exception {
System.out.println(“执行后”);
}
public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,
Object arg2, ModelAndView arg3) throws Exception {
System.out.println(“…..”);
}
public boolean preHandle(HttpServletRequest request, HttpServletResponse res,
Object arg2) throws Exception {
System.out.println(“拦截用户”);
String url = request.getScheme() ”://” request.getServerName()
“:” request.getServerPort()
request.getServletPath();
System.out.println(url);
//在这里使用forward实现转发,而不是使用redirect实现重定向
return true;
}
} 我需要在上述代码中的方法中将请求的URL换成另外一个url,然后转发出去。
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