本文主要是介绍WebMail:网页注册成功发送邮件，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
1.特别注意
isELIgnored="false"
如果没有这个El表达式无法识别
2.pre work
pox.xml
<dependencies><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>3.8.1</version><scope>test</scope></dependency><dependency><groupId>javax.servlet</groupId><artifactId>javax.servlet-api</artifactId><version>4.0.1</version></dependency><!-- https://mvnrepository.com/artifact/javax.mail/mail --><dependency><groupId>javax.mail</groupId><artifactId>mail</artifactId><version>1.4.7</version></dependency><!-- https://mvnrepository.com/artifact/javax.activation/activation --><dependency><groupId>javax.activation</groupId><artifactId>activation</artifactId><version>1.1.1</version></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><version>1.18.24</version><scope>provided</scope></dependency> </dependencies>
3.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %><html>
<body>
<h2>注册</h2>
<form action="${pageContext.request.contextPath}/RegisterServlet.do" method="post">username:<input type="text" name="username"><br>password:<input type="password" name="psw"><br>email:<input type="email" name="email"><br><input type="submit" value="register">
</form>
</body>
</html>
info.jsp
${msg}
4.servlet
package com.qing.servlet;import com.qing.pojo.user;
import com.qing.utils.SendMail;import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;public class RegisterServlet extends HttpServlet {@Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {//接收用户，封装对象String name=req.getParameter("username");String psw=req.getParameter("psw");String email=req.getParameter("email");System.out.println(name+" "+psw+" "+email);//用线程发送邮件，避免耗时过多，提高体验user user=new user(name,psw,email);SendMail send=new SendMail(user);send.start();req.setAttribute("msg","注册成功，邮件已发送，请注意查收！");req.getRequestDispatcher("info.jsp").forward(req,resp);}@Overrideprotected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {}
}
5.utils
package com.qing.utils;
import com.qing.pojo.user;
import com.sun.mail.util.MailSSLSocketFactory;import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;//多线程提高用户体验,异步处理
public class SendMail extends Thread{//用于给用户发送邮件的邮箱private String from="@qq.com";//邮箱用户名private String name="@qq.com";//授权码private String password="授权码";//发送邮件的服务器地址private String host="smtp.qq.com";private user user;public SendMail(user user){this.user=user;}//重写run@Overridepublic void run(){try{Properties prop=new Properties();prop.setProperty("mail.host",host);//设置qq邮件服务器prop.setProperty("mail.transport.protocol","smtp");//邮件发送协议prop.setProperty("mail.smtp.auth","true");//验证用户账号密码//qq 加密sslMailSSLSocketFactory sf=new MailSSLSocketFactory();sf.setTrustAllHosts(true);prop.put("mail.smtp.ssl.enable","true");prop.put("mail.smtp.ssl.socketFactory",sf);Session session=Session.getDefaultInstance(prop, new Authenticator() {protected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication("@qq.com","授权码");}});session.setDebug(true);Transport ts=session.getTransport();ts.connect(host,name,password);MimeMessage message=new MimeMessage(session);//指明发件人message.setFrom(new InternetAddress(from));//收件人message.setRecipient(Message.RecipientType.TO,new InternetAddress(user.getEmail()));//邮件标题message.setSubject("用户注册邮件");String info="注册成功!用户名："+user+" 密码："+user.getPsw();message.setContent(info,"text/html;charset=UTF-8");message.saveChanges();//5.发送邮件ts.sendMessage(message,message.getAllRecipients());//6.关闭连接ts.close();} catch (Exception e) {throw new RuntimeException(e);} }}这篇关于WebMail:网页注册成功发送邮件的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！
