JavaEE实现基于SMTP协议的邮件发送功能

package com.appms.email;

import java.util.Date;
import java.util.Properties;

import javax.mail.Address;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

import com.sun.mail.util.MailSSLSocketFactory;

public class JavaEmailSender {


 public static void sendEmail(String toEmailAddress,String emailTitle,String emailContent)throws Exception{
  Properties props = new Properties();

  // 开启debug调试
  props.setProperty("mail.debug", "true");
  // 发送服务器需要身份验证
  props.setProperty("mail.smtp.auth", "true");
  // 设置邮件服务器主机名
  props.setProperty("mail.host", "smtp.qq.com");
  // 发送邮件协议名称
  props.setProperty("mail.transport.protocol", "smtp");

  /**SSL认证，注意腾讯邮箱是基于SSL加密的，所有需要开启才可以使用**/
  MailSSLSocketFactory sf = new MailSSLSocketFactory();
  sf.setTrustAllHosts(true);
  props.put("mail.smtp.ssl.enable", "true");
  props.put("mail.smtp.ssl.socketFactory", sf);

  //创建会话
  Session session = Session.getInstance(props);

  //发送的消息，基于观察者模式进行设计的
  Message msg = new MimeMessage(session);
  msg.setSubject(emailTitle);
  //使用StringBuilder，因为StringBuilder加载速度会比String快，而且线程安全性也不错
  StringBuilder builder = new StringBuilder();
  builder.append("\n"+emailContent);
  builder.append("\n时间 " + new Date());
  msg.setText(builder.toString());
  msg.setFrom(new InternetAddress("你的QQ邮箱"));

  Transport transport = session.getTransport();
  transport.connect("smtp.qq.com", "你的QQ邮箱", "你开启SMTP服务申请的独立密码");
  //发送消息
  transport.sendMessage(msg, new Address[] { new InternetAddress(toEmailAddress) });
  transport.close();
 }
}

/**
 * 跳转到发送邮件页面
 * @return
 * @throws Exception
 */
 @RequestMapping("/goSendEmail")
 public ModelAndView goSendEmail(HttpServletRequest request)throws Exception{
  ModelAndView mv = this.getModelAndView();
  String email = request.getParameter("email");
  if(email!=null&&!"".equals(email)){
   email = email.trim();
   mv.setViewName("member/send_email");
   mv.addObject("email", email);
  }
  return mv;
 }

 /**
  * 发送邮件
  * @return
  * @throws Exception
  */
 @RequestMapping(value="/sendEmail",produces="application/json;charset=UTF-8")
 @ResponseBody
 public Object sendEmail(HttpServletRequest request)throws Exception{
  Map<String,String> map = new HashMap<String,String>();
  String msg = "ok";  //发送状态
  String toEMAIL = request.getParameter("EMAIL");     //对方邮箱
  String TITLE = request.getParameter("TITLE");     //标题
  String CONTENT = request.getParameter("CONTENT");    //内容
  JavaEmailSender.sendEmail(toEMAIL, TITLE, CONTENT);
  map.put("result", msg);
  return map;
 }

<script type="text/javascript" src="source/js/jquery-1.7.2.js"></script>
 <!--提示框-->
 <script type="text/javascript" src="source/js/jquery.tips.js"></script>

<!-- 发送邮件 -->
 <script type="text/javascript">
//发送
function sendEm(){

 if($("#TYPE").val()=="1"){
  $("#CONTENT").val(getContentTxt());
 }else{
  $("#CONTENT").val(getContent());
 }
 if($("#EMAIL").val()==""){
  $("#EMAIL").tips({
   side:3,
   msg:'请输入邮箱',
   bg:'#AE81FF',
   time:2
  });
  $("#EMAIL").focus();
  return false;
 }
 if($("#TITLE").val()==""){
  $("#TITLE").tips({
   side:3,
   msg:'请输入标题',
   bg:'#AE81FF',
   time:2
  });
  $("#TITLE").focus();
  return false;
 }
 if($("#CONTENT").val()==""){

  $("#nr").tips({
   side:1,
   msg:'请输入内容',
   bg:'#AE81FF',
   time:3
  });
  return false;
 }

 var EMAIL = $("#EMAIL").val();
 var TYPE = $("#TYPE").val();
 var TITLE = $("#TITLE").val();
 var CONTENT = $("#CONTENT").val();

 $("#zhongxin").hide();
 $("#zhongxin2").show();

 $.ajax({
  type: "POST",
  url: 'retroaction/sendEmail.do?tm='+new Date().getTime(),
  data: {EMAIL:EMAIL,TITLE:TITLE,CONTENT:CONTENT},
  dataType:'json',
  //beforeSend: validateData,
  cache: false,
  success: function(data){
   if("ok" == data.result){
    $("#msg").tips({
      side:3,
      msg:'发送成功！',
      bg:'#68B500',
      time:5
      });
    setTimeout("showdiv()",1000); 
   }else{
    $("#msg").tips({
      side:3,
      msg:'发送失败!',
      bg:'#68B500',
      time:5
      });
   }

  }
 });

}

</script>

<!-- 编辑邮箱 -->
  <div>
  <table  >
   <tr>
    <td >
      <div  ><textarea name="EMAIL" id="EMAIL" rows="1" cols="50"  placeholder="请选输入对方邮箱,多个请用(;)分号隔开" title="请选输入对方邮箱,多个请用(;)分号隔开">${email}</textarea></div>
      <div  ><a class='btn btn-mini btn-info' title="编辑邮箱" onclick="dialog_open();">编辑邮箱</i></a></div>
    </td>
   </tr>
   <tr>
    <td>
      <input type="text" name="TITLE" id="TITLE" value="" placeholder="请选输入邮件标题" />
    </td>
   </tr>
   <tr>
    <td id="nr">
      <script id="editor" type="text/plain" ></script>
    </td>
   </tr>
   <tr>
    <td >
     <a class="btn btn-mini btn-primary" onclick="sendEm();">发送</a>
     <a class="btn btn-mini btn-danger" onclick="top.Dialog.close();">取消</a>
    </td>
   </tr>
  </table>
  </div>
  <div id="zhongxin2" class="center" ><br/><img src="assets/images/jzx.gif" id='msg' /><br/><h5 class="lighter block green" id='msg'>正在发送...</h5></div>