Java学习笔记（1）----Java中发送邮件

之前看过张孝祥讲解的邮件开发视频，只看了一小部分，那时候还是个小小小菜鸟，没看懂，以为这是个很复杂的技术。近来练习的一个小项目中用到了发送邮件的功能，参照网上的代码实现了这个功能。现在想想，这么简单呀！

实现此功能前你需要下载发送邮件所需要的jar包mail.jar,你也可以在此下载。

新建一个Java类文件MyAuthenticator.java，代码如下所示：

[java]
packagecom.ldfsoft.common;

importjavax.mail.Authenticator;
importjavax.mail.PasswordAuthentication;



public classMyAuthenticator extends Authenticator {
           String userName=null;
           String password=null;

            public MyAuthenticator(){
            }
            public MyAuthenticator(String username, String password) {
                this.userName = username;
                this.password = password;
            }
            protected PasswordAuthentication getPasswordAuthentication(){
                return new PasswordAuthentication(userName, password);
            }
}

此类文件继承了mail.jar包中的Authenticator类。

接着又新建一个dto文件MailSenderDto.java，代码如下所示：

[java]
package com.ldfsoft.dto;

import java.util.Properties;

publicclass MailSenderDto {
     // 发送邮件的服务器的IP和端口
    private StringmailServerHost;
    private StringmailServerPort = "25";
    // 邮件发送者的地址
    private StringfromAddress;
    // 邮件接收者的地址
    private StringtoAddress;
    // 登陆邮件发送服务器的用户名和密码
    private StringuserName;
    private Stringpassword;
    // 是否需要身份验证
    privateboolean validate =false;
    // 邮件主题
    private Stringsubject;
    // 邮件的文本内容
    private Stringcontent;
    // 邮件附件的文件名
    private String[]attachFileNames;
    /**
      * 获得邮件会话属性
      */
    public PropertiesgetProperties(){
      Properties p = new Properties();
      p.put("mail.smtp.host",this.mailServerHost);
      p.put("mail.smtp.port",this.mailServerPort);
      p.put("mail.smtp.auth",validate ? "true" :"false");
      return p;
    }
    public String getMailServerHost(){
      returnmailServerHost;
    }
    publicvoid setMailServerHost(String mailServerHost){
      this.mailServerHost = mailServerHost;
    }
    publicStringgetMailServerPort() {
      returnmailServerPort;
    }
    publicvoid setMailServerPort(String mailServerPort){
      this.mailServerPort = mailServerPort;
    }
    publicboolean isValidate() {
      returnvalidate;
    }
    publicvoid setValidate(boolean validate) {
      this.validate = validate;
    }
    public String[] getAttachFileNames(){
      returnattachFileNames;
    }
    publicvoid setAttachFileNames(String[] fileNames){
      this.attachFileNames = fileNames;
    }
    public String getFromAddress() {
      returnfromAddress;
    }
    publicvoid setFromAddress(String fromAddress) {
      this.fromAddress = fromAddress;
    }
    public String getPassword() {
      returnpassword;
    }
    publicvoid setPassword(String password) {
      this.password = password;
    }
    public String getToAddress() {
      returntoAddress;
    }
    publicvoid setToAddress(String toAddress) {
      this.toAddress = toAddress;
    }
    public String getUserName() {   &nbs

补充：软件开发 , Java ,