Web发送新邮件

WEB email发送

util

SendMailThread

package com.dgxan.util;

import com.dgxan.pojo.User;

import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;

public class SendMailThread extends Thread {
    //发件人
    private String form = "18035114874@163.com";
    //收件人
    private String receiver = "18035114874@163.com";
    //邮箱用户名
    private String userName = "18035114874@163.com";
    //邮箱的授权码
    private String userPwd = "DZKVHRBZQVGJVEAN";
    //邮箱服务器
    private String host = "smtp.163.com";

    private User user;
    public SendMailThread(User user){
        this.user = user;
    }

    @Override
    public void run() {
       //配置文件
        Properties prop = new Properties();
        prop.setProperty("mail.host","smtp.163.com");
        prop.setProperty("mail.transport.protocol","smtp");
        prop.setProperty("mail.smtp.auth","true");

        //发送邮件的五个步骤
        /*
        * 第一步：   创建Session对象
        * 第二步：   通过SessIon得到transport对象
        * 第三步：   使用邮箱的用户名和授权码连上邮件服务器
        * 第四步：   创建邮件
        * 第五步：   发送邮件
        * */
        Session session = Session.getDefaultInstance(prop, new Authenticator() {
            @Override
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(userName, userPwd);
            }
        });
        session.setDebug(true);
        Transport ts = null;
        try {
            ts = session.getTransport();
            ts.connect(host,userName,userPwd);

            MimeMessage message = new MimeMessage(session);
            message.setFrom(new InternetAddress(userName));
            message.setSubject("注册邮箱");
            message.setRecipient(Message.RecipientType.TO,new InternetAddress(receiver));
            message.setContent("<h1 style='color:red'>你好,您的密码是"+user.getPassword()+"</h1>","text/html;charset=UTF-8");
            ts.sendMessage(message, message.getAllRecipients());
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            try {
                ts.close();
            } catch (MessagingException e) {
                e.printStackTrace();
            }
        }
    }
}

SendMailServlet

package com.dgxan.servlet;

import com.dgxan.pojo.User;
import com.dgxan.util.SendMailThread;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

public class SendMailServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String name = req.getParameter("name");
        String pwd = req.getParameter("pwd");
        String mail = req.getParameter("mail");
        User user = new User(name,pwd,mail);
        SendMailThread thread = null;
        HttpSession session = req.getSession();
        if (user!=null){
            thread = new SendMailThread(user);
            thread.start();
            session.setAttribute("message","正在注册中，请稍候");
        }else {
            session.setAttribute("message","注册失败");
        }
        req.getRequestDispatcher("/info.jsp").forward(req,resp);

    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req,resp);
    }
}

index.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
  <head>
    <title>$Title$</title>
  </head>
  <body>
  <form method="post" action="${pageContext.request.contextPath}/mail.do">
    <table>
      <tr>
        <td>姓名:</td>
        <td><input type="text" name="name"/></td>
      </tr>
      <tr>
        <td>密码:</td>
        <td><input type="text" name="pwd"/></td>
      </tr>
      <tr>
        <td>E-Mail:</td>
        <td><input type="email" name="mail"/></td>
      </tr>
      <tr>
        <td><input type="submit" value="注册"/></td>
      </tr>
    </table>
  </form>
  </body>
</html>

info.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
    <title>Info</title>
</head>
<body>
    ${sessionScope.message}
<a href="index.jsp">请返回注册界面</a>
</body>
</html>

User

package com.dgxan.pojo;

public class User {
    private String name;
    private String password;
    private String email;

    public User() {
    }

    public User(String name, String password, String email) {
        this.name = name;
        this.password = password;
        this.email = email;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    @Override
    public String toString() {
        return "User{" +
                "name='" + name + '\'' +
                ", password='" + password + '\'' +
                ", email='" + email + '\'' +
                '}';
    }
}
posted @ 2021-01-23 11:26  dgxacc  阅读(78)  评论(0)    收藏  举报