package demoservllet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class Servlet01 extends HttpServlet {
	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		  response.setStatus(302);  //设置请求状态  302重定向
		  response.setHeader("Location", "/WEB14/servlet02");//设置请求头 Location固定的L大小写都可以  url=("/WEB14/servlet02")
	  }
	public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		  doGet(request, response);
	  }
}
package demoservllet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class Servlet02 extends HttpServlet {
	  public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		    response.getWriter().write("hello haohao...");//页眉打印的东西
	  }
	  public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		    doGet(request, response);
	  }
}
原文:http://www.cnblogs.com/yjhlsbnf/p/6843568.html