java 静态发送邮箱

1需要的包

     准备好 activation.jar  mail.jar  网上有下载 

2前台页面 

        

 页面大概就是这个样子 自己写 ；点击获取验证码的时候 把填入的邮箱以ajax传到后台    后台处理发把验证码送邮箱后在返回 验证码到页面 

3提交

   到后台以静态方式发生javamail 发送邮箱最好是新浪邮箱，否则其他邮箱可能发送不了

4 后台代码  

                          package Mali;//引入包名
                          import java.io.PrintWriter;

import java.util.Arrays;

import java.util.Collections;

import java.util.List;

import java.util.Properties;

import javax.mail.Authenticator;

import javax.mail.BodyPart;

import javax.mail.Message;

import javax.mail.Message.RecipientType;

import javax.mail.Multipart;

import javax.mail.PasswordAuthentication;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeBodyPart;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMultipart;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;

import org.springframework.context.annotation.Scope;

import org.springframework.stereotype.Controller;

                                       @Controller("Mali")

@Scope("prototype")

/*

 * 发送邮件

 */

public class JavaEmail {

private String you;//页面传过来的邮箱

 public void sendMail() throws Exception {

Properties props = new Properties();

props.setProperty("mail.transport.protocol", "smtp");// 设置发送邮件采用的协议

props.setProperty("mail.smtp.auth", "true");// 设置邮件验证方式

props.setProperty("mail.host", "smtp.sina.com");// 邮件SMTP服务器

Session session = Session.getDefaultInstance(props,new Authenticator() {

@Override

protected PasswordAuthentication getPasswordAuthentication() {

return new PasswordAuthentication("zhlishipingtai","密码");//填写账号名和密码

}

});// 获取Session事例并通过匿名类设置登录邮件服务器的用户名和密码

session.setDebug(true);// 设置是否在控制台打印调试信息

Message msg = new MimeMessage(session);// 构建邮件

msg.addRecipient(RecipientType.TO, new InternetAddress(you));// 设置邮件发送地址并指定邮件发送模式为RecipientType.TO

msg.setFrom(new InternetAddress("[e-mail]", "珠海力狮电子有限公司"));

// 设置邮件发送人

// 设置验证码

String[] beforeShuffle = new String[] { "0", "1", "2", "3", "4", "5",

"6", "7", "8", "9", "a", "b", "d", "c", "e", "f", "g", "h",

"i", "j", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",

"k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",

"w", "x", "y", "z" };

List list = Arrays.asList(beforeShuffle);

Collections.shuffle(list);

StringBuilder sb = new StringBuilder();

for (int i = 0; i < list.size(); i++) {

sb.append(list.get(i));

}

String afterShuffle = sb.toString();

String result = afterShuffle.substring(3, 9);

msg.setSubject("力狮管理初始化程序：验证码");// 设置邮件标题

msg.setText(result);// 设置邮件类容

msg.saveChanges();// 保存邮件

Multipart mainPart = new MimeMultipart();

// 创建一个包含HTML内容的MimeBodyPart

BodyPart html = new MimeBodyPart();

// 设置HTML内容

html.setContent(msg.getContent(), "text/html; charset=utf-8");

msg.setContent(mainPart);

mainPart.addBodyPart(html);

            Transport.send(msg);// 通过Transport静态方法发送邮件

HttpServletResponse response = ServletActionContext.getResponse();

PrintWriter out = response.getWriter();

out.print(result);

}

public String getYou() {

return you;

}

public void setYou(String you) {

this.you = you;

}

public JavaEmail(String you) {

super();

this.you = you;

}

public JavaEmail() {

super();

}

}