JavaWeb网上图书商城完整项目--day02-12.激活功能各层实现

package com.weiyuan.goods.user.dao;

import java.sql.SQLException;

import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.ScalarHandler;

import com.weiyuan.goods.user.domian.User;

import cn.itcast.jdbc.TxQueryRunner;

public class UserDao {

     //操作数据库
    private TxQueryRunner qr = new TxQueryRunner();
    
    
    /***
     * 查询用户名是否存在
     * @throws SQLException 
     */
    public boolean ajaxValidateLoginName(String loginName) throws SQLException{
        //获得满足记录的数目是对象，返回一个整数，整数是单行单列使用ScalarHandler
        String sql ="select count(*) from t_user where loginname=?";
        Number num = (Number) qr.query(sql, new ScalarHandler(),loginName);
        int count = num.intValue();

        if(count>0){
            return true;
        }
        return false;
    }
    
    /***
     * 查询邮箱是否存在
     * @throws SQLException 
     */
    public boolean ajaxValidateEmail(String email) throws SQLException{
        //获得满足记录的数目是对象，返回一个整数，整数是单行单列使用ScalarHandler
        String sql ="select count(*) from t_user where email=?";
        Number num = (Number) qr.query(sql, new ScalarHandler(),email);
        int count = num.intValue();
        System.out.println("count="+count);
        if(count>0){
            return true;
        }
        return false;
    }
    
    /***
     * 添加注册的用户
     * @throws SQLException 
     */
    public void addUser(User user) throws SQLException{
        //获得满足记录的数目是对象，返回一个整数，整数是单行单列使用ScalarHandler
        String sql ="insert into  t_user values(?,?,?,?,?,?)";
        System.out.println("user="+user.toString());
        Object[] params = {user.getUid(),user.getLoginname(),user.getLoginpass(),
                user.getEmail(),user.getStatus(),user.getActivationCode()};
        qr.update(sql, params);
    }
    
    /*
     * 通过激活码获得用户
     * */
    public User findUserByActivationCode(String activationCode) throws SQLException{
        
        String sql = "select * from t_user where activationCode = ?";
        return qr.query(sql, new BeanHandler<User>(User.class),activationCode);
    }
    
    /*
     * 设置用户的激活状态
     * */
    
    public void setUserActivationCode(String uuid,int status) throws SQLException{
        String sql = "update t_user set status = ? where uid = ? ";
        qr.update(sql,status,uuid);
    }
    
    
}

package com.weiyuan.goods.user.service;

import java.io.IOException;
import java.sql.SQLException;
import java.text.MessageFormat;
import java.util.Properties;

import javax.mail.MessagingException;
import javax.mail.Session;
import javax.management.RuntimeErrorException;

import cn.itcast.commons.CommonUtils;
import cn.itcast.mail.Mail;
import cn.itcast.mail.MailUtils;

import com.weiyuan.goods.user.dao.UserDao;
import com.weiyuan.goods.user.domian.User;

public class UserService {

 private UserDao dao = new UserDao();    
    
 
 public boolean ajaxValidateLoginName(String loginName) {
     
     try {
        return dao.ajaxValidateLoginName(loginName);
    } catch (SQLException e) {
        // TODO Auto-generated catch block
        throw new RuntimeException(e.getMessage());
    }
     
 }
 
public boolean ajaxValidateEmail(String email) {
     
     try {
        return dao.ajaxValidateEmail(email);
    } catch (SQLException e) {
        // TODO Auto-generated catch block
        throw new RuntimeException(e.getMessage());
    }
     
 }

//添加注册的用户
public void addUser(User user){
    //添加用户的uuid
    user.setUid(CommonUtils.uuid());
    //添加用户的激活码
    String activationCode = CommonUtils.uuid()+CommonUtils.uuid();
    user.setActivationCode(activationCode);
    //当前处于未激活的状态
    user.setStatus(0);//0表示未激活
    
    try {
        dao.addUser(user);
    } catch (SQLException e) {
        // TODO Auto-generated catch block
        throw new RuntimeException(e.getMessage());
    }
    
    //向注册的用户发送邮件
     //1读取配置文件
      Properties properties = new Properties();
      try {
        properties.load(this.getClass().getClassLoader().getResourceAsStream("email_template.properties"));
    } catch (IOException e1) {
        throw new RuntimeException(e1.getMessage());
    }
    
    
     String host = properties.getProperty("host"); //qq邮箱发送邮件的地址，端口465或者587
        //qq接受邮件服务器的地址是pop.qq.com，端口995
        String username=properties.getProperty("username"); //登陆服务器的账号
        String password=properties.getProperty("password");//这里不是客户端登陆的密码，而是授权密码一定要注意
        Session session = MailUtils.createSession(host, username, password);
        //发送邮件
        String from = properties.getProperty("from");//发件人
        String to = user.getEmail();//收件人
        String title = properties.getProperty("subject");
        String content = properties.getProperty("content");
        Object [] array = new Object[]{user.getActivationCode()};   
        //替换占位符
        String formatContent = MessageFormat.format(content, user.getActivationCode());//替换占位符
        System.out.println("email content is:"+content);
        Mail mail = new Mail(from,to,title,formatContent);
        try {
            MailUtils.send(session, mail);
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage());
        } 
    
    
    
}

/*设置用户的激活状态*/

  public void activation(String activationCode) throws Exception{
      //1 、通过激活码查找对应的用户信息
      try {
        User user = dao.findUserByActivationCode(activationCode);
        if(user == null){
            throw new Exception("无效的激活码");//业务异常，业务失败
        }
        if(user.getStatus()== 1){
            throw new Exception("用户已经既激活，不要二次激活");//业务异常，业务失败
        }
        dao.setUserActivationCode(user.getUid(), 1); //1表示激活
    } catch (SQLException e) {
        // TODO Auto-generated catch block
        throw new RuntimeException(e.getMessage()); // 不是业务的异常吗，而是电脑环境系统数据库的异常，直接退出线程，无法进行业务的操作了
    }
      
  }


}

package com.weiyuan.goods.user.web.servlet;

import java.io.IOException;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.collections.map.HashedMap;

import com.weiyuan.goods.user.domian.User;
import com.weiyuan.goods.user.service.UserService;

import cn.itcast.commons.CommonUtils;
import cn.itcast.servlet.BaseServlet;

/**
 * Servlet implementation class UserServlet
 */
@WebServlet("/UserServlet")
public class UserServlet extends BaseServlet{
    private static final long serialVersionUID = 1L;
    private UserService service = new UserService();
    /*
     * 用户注册页面使用ajax校验/*
     * 用户注册页面使用ajax校验用户名会调用该方法
     * *会调用该方法
     * */
    public String validateLoginname(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        //首先获得用户上传的用户名
        String loginName = request.getParameter("loginname");
        boolean  flag = service.ajaxValidateLoginName(loginName);
        response.getWriter().print(flag);
        return null;
    }
    /*
     * 用户注册页面使用ajax校验邮箱会调用该方法
     * */
    public String validateEmail(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
       //获得用户上传的emai
    
        String email = request.getParameter("email");
        System.out.println("validateEmail is called"+email);
        boolean  flag = service.ajaxValidateEmail(email);
        response.getWriter().print(flag);
        return null;
    }
    
    /*
     * 用户注册页面使用ajax校验验证码会调用该方法
     * */
    public String validateVerifyCode(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
         //获得用户上传的verfycode
        String verifyCode  = request.getParameter("verifyCode");
        //获得session中保存的验证码
        String sessionCode = (String) request.getSession().getAttribute("vCode");
        //二者进行比较看是否相等
        System.out.println("validateVerifyCode is called"+verifyCode+":"+sessionCode);
        boolean  flag = sessionCode.equalsIgnoreCase(verifyCode);
        response.getWriter().print(flag);
        return null;
    }
    
    /*
     * 当用户从邮箱点击的激活的时候会调用该方法，并且把激活码传递过来
     * 
     * */
    public String activation(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub

        String activationCode = request.getParameter("activationCode");
        System.out.println("email activationCode is :"+activationCode);
        try {
            service.activation(activationCode);
            //激活成功
             request.setAttribute("code", "success"); //msg.jsp已经code的值来显示错误信息还是正确的信息
             request.setAttribute("msg", "激活成功");
             return "f:/jsps/msg.jsp";
        } catch (Exception e) {
           //将业务操作的异常信息在msg.jsp中显示出来
            String msg = e.getMessage();
             request.setAttribute("code", "error"); //msg.jsp已经code的值来显示错误信息还是正确的信息
             request.setAttribute("msg", msg);
             return "f:/jsps/msg.jsp";
            
        }
        
    }
    
    
    /*
     * 当用户注册的时候会调用该方法
     * 
     * */
    public String regist(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        System.out.println("activation is called");
        
        //1、将请求的参数封装成User对象
                User user = CommonUtils.toBean(request.getParameterMap(), User.class);
                //2 、对传递过来的参数进行校验，把错误的信息封装到一个hashMap中
                  Map errors = validateParams(user, request);
                  if(errors.size() > 0){//说明参数错误，跳转到注册界面提示用户输入的参数有误
                      request.setAttribute("errors", errors);    
                      request.setAttribute("user", user);
                      return "f:/jsps/user/regist.jsp";
                  }
                 service.addUser(user);
                 request.setAttribute("code", "success");
                 request.setAttribute("msg", "用户注册成功，请马上到邮箱进行激活");
                  return "f:/jsps/msg.jsp";
          
    }
    
    
    public Map validateParams(User user,HttpServletRequest request){
        Map<String, String> map  = new HashedMap();
        //校验用户名
        String loginName = user.getLoginname();
        if(loginName == null || loginName.isEmpty()){
            map.put("loginname", "用户名不能为空");
        }
        if(loginName.length() < 3 || loginName.length() > 20){
            map.put("loginname", "用户名长度应该在3到20之间");
        }
        //校验用户名是否注册
        if(service.ajaxValidateLoginName(loginName)){
            map.put("loginname", "用户名已经被注册");
        }
        
        //检查登陆密码
        String loginpass = user.getLoginpass();
        if(loginpass == null || loginpass.isEmpty()){
            map.put("loginpass", "登陆密码不能为空");
        }
        if(loginpass.length() < 3 || loginpass.length() > 20){
            map.put("loginname", "登陆密码的长度应该在3到20之间");
        }
        
        //检查确认密码的信息
        //检查登陆密码
        String reloginpass = user.getReloginpass();
        if(reloginpass == null || reloginpass.isEmpty()){
            map.put("reloginpass", "登陆密码不能为空");
        }
        if(reloginpass.length() < 3 || reloginpass.length() > 20){
            map.put("reloginpass", "登陆密码的长度应该在3到20之间");
        }
        if(!reloginpass.equalsIgnoreCase(loginpass)){
            map.put("reloginpass", "两次输入的密码不一样");
        }
        
        //检查邮箱
        String email = user.getEmail();
        if(email == null || email.isEmpty()){
            map.put("email", "登陆邮箱不能为空");
        }
        //检查邮箱的格式是否正确
        if(!email.matches("^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\\.[a-zA-Z0-9_-]{2,3}){1,2})$")){
            map.put("email", "邮箱格式不正确");
        }
        
        
        //检查验证码是否相等
        String verifyCode = user.getVerifyCode();
        //获得session中保存的验证码
        String sessionCode =(String) request.getSession().getAttribute("vCode");
        if(!verifyCode.equalsIgnoreCase(sessionCode)){
            map.put("verifyCode", "验证码不正确");
        }
        
        return map;
        
        
        
    }


}