topservlet.java

一个jsp的oa系统,里面有很多亮点学习!

package com.oa.lp.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

 public class TopServlet extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;
  
   public void doGet(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException {
	   doPost(request,response);
   }
   /**
    * 将控制流程转到url所表示的页面
    * @param url String 要转到的页面
    */
	public void forward(HttpServletRequest request,HttpServletResponse response,String url) throws ServletException, IOException{
		request.getRequestDispatcher(url).forward(request,response);
	}
   /**
    * 跳转页面
    * @param url String 
    */
	public void sendRedirect(HttpServletRequest request,HttpServletResponse response,String url) throws IOException{
		if(request==null){
			response.sendRedirect(url);
		}else{
			response.sendRedirect(request.getContextPath()+url);
		}
		
	}
}