status 405请求错误

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Status 405 - HTTP method GET is not supported by this URL(2012-09-06 22:19:44)

错误的原因就是继承了 HttpServlet 类后得重写父类的方法，doGet()和doPost()这两个方法缺一不可，而且它们的参数顺序也不能变。

import java.io.IOException;

import java.util.ArrayList;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import com.dao.UserDao;

public class UserServlet extends HttpServlet {

public voiddoGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{

UserDao userDao = new UserDao();

ArrayList userList = userDao.getUserList();

request.setAttribute("userList", userList);

request.getRequestDispatcher("user.jsp").forward(request, response);

}

public voiddoPost(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{

//this.doGet(request,response);