eclipse快捷键、Web登录界面

package ${enclosing_package};
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 ${primary_type_name} extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.getWriter().write("hello sensen...");
}
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
}

<%@ page language="java" cOntentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>









用户名：

用户名：

package com.oracle.web;
import java.io.IOException;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.oracle.service.UserService;
public class LoginServlet extends HttpServlet {
private UserService userService=new UserService();
public void init() throws ServletException {
// 获取ServletContext对象
ServletContext cOntext=getServletContext();
// 定义计数器
int count=0;
// 将计数器存入ServletContext对象 中
context.setAttribute("count", count);
}
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//获取请求参数
String uname=request.getParameter("username");
//获取密码
String pwd=request.getParameter("pwd");
//调用service登录方法
int row=userService.loginUser(uname, pwd);
if(row>0){
//登录成功
// 获取ServletContext对象
ServletContext cOntext=getServletContext();
int count=(int)context.getAttribute("count");
count++;
context.setAttribute("count",count);
response.getWriter().write("you are the person success");
}else{
//登录失败
response.getWriter().write("fail");
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
}