java--重定向

package com.test;

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 LoginServlet extends HttpServlet {

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	//response.setCharacterEncoding("utf-8");
	response.setContentType("text/hrml;charset=utf-8");
	String username= request.getParameter("username");
	String passwd= request.getParameter("passwd");
	if("admin".equals(username)&& "123".equals(passwd)) {
		/*
		 * System.out.println("登陸成功:"); //response.getWriter().write("登录成功");
		 * response.setStatus(302); response.setHeader("Location","login_success.html");
		 */
		//重定向
		//response.sendRedirect("login_success.html");
		//请求转发
		request.getRequestDispatcher("login_success.html").forward(request, response);
	}else {
		response.getWriter().write("登录失败");
	}
}


protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	// TODO Auto-generated method stub
	doGet(request, response);
}

}