java_mail 发送邮件

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1.资源

1.1使用JavaMail这个JAR包

下载地址：

http://download.csdn.net/detail/zmnqazqaz/9399175

1.2.准备一个用来发送邮件的邮箱

2.代码

2.1 把邮件服务器和发邮件的邮箱做成配置文件

#smtp服务器mail.smtp.host=smtp.sina.com#身份验证mail.smtp.auth=true#--------------------------------------------------------------#发送者邮箱mail.sender.username=xxx@sina.com#发送者密码mail.sender.password=1111

2.2 代码

package com.ist.shjlog;import java.io.File;import java.io.IOException;import java.io.InputStream;import java.util.Properties;import javax.activation.DataHandler;import javax.activation.DataSource;import javax.activation.FileDataSource;import javax.mail.BodyPart;import javax.mail.MessagingException;import javax.mail.Multipart;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.mail.internet.MimeUtility;import android.content.Context;public class JavaMailWithAttachment {    private MimeMessage message;    private Session session;    private Transport transport;    private String mailHost = "";    private String sender_username = "";    private String sender_password = "";    private Properties properties = new Properties();        private Context context=null;    /*     * 初始化方法     */    public JavaMailWithAttachment(boolean debug,Context context) {  //  public JavaMailWithAttachment(boolean debug,Context context) {//java    this.context =context;           Properties pro = new Properties();              try {       //   InputStream in = JavaMailWithAttachment.class.getResourceAsStream("MailServer.properties");//java        InputStream in = context.getAssets().open("MailServer.properties");             properties.load(in);            this.mailHost = properties.getProperty("mail.smtp.host");            this.sender_username = properties.getProperty("mail.sender.username");            this.sender_password = properties.getProperty("mail.sender.password");        } catch (IOException e) {            e.printStackTrace();        }        session = Session.getInstance(properties);        session.setDebug(debug);// 开启后有调试信息        message = new MimeMessage(session);    }    /**     * 发送邮件     *      * @param subject     *            邮件主题     * @param sendHtml     *            邮件内容     * @param receiveUser     *            收件人地址     * @param attachment     *            附件     */    public void doSendHtmlEmail(String subject, String sendHtml, String receiveUser[], File attachment) {        try {            // 发件人            InternetAddress from = new InternetAddress(sender_username);            message.setFrom(from);            // 收件人            /*            InternetAddress to = new InternetAddress(receiveUser);            message.setRecipient(Message.RecipientType.TO, to);            */                        int receiverLen = receiveUser.length;            for (int i = 0; i < receiverLen; i++) {                InternetAddress toAddr = new InternetAddress(receiveUser[i]);                message.addRecipient(javax.mail.Message.RecipientType.TO,toAddr);             }                        // 邮件主题            message.setSubject(subject);            // 向multipart对象中添加邮件的各个部分内容，包括文本内容和附件            Multipart multipart = new MimeMultipart();                        // 添加邮件正文            BodyPart contentPart = new MimeBodyPart();            contentPart.setContent(sendHtml, "text/html;charset=UTF-8");            multipart.addBodyPart(contentPart);                        // 添加附件的内容            if (attachment != null) {                BodyPart attachmentBodyPart = new MimeBodyPart();                DataSource source = new FileDataSource(attachment);                attachmentBodyPart.setDataHandler(new DataHandler(source));                                // 网上流传的解决文件名乱码的方法，其实用MimeUtility.encodeWord就可以很方便的搞定                // 这里很重要，通过下面的Base64编码的转换可以保证你的中文附件标题名在发送时不会变成乱码                //sun.misc.BASE64Encoder enc = new sun.misc.BASE64Encoder();                //messageBodyPart.setFileName("=?GBK?B?" + enc.encode(attachment.getName().getBytes()) + "?=");                                //MimeUtility.encodeWord可以避免文件名乱码                attachmentBodyPart.setFileName(MimeUtility.encodeWord(attachment.getName()));                multipart.addBodyPart(attachmentBodyPart);            }                        // 将multipart对象放到message中            message.setContent(multipart);            // 保存邮件            message.saveChanges();            transport = session.getTransport("smtp");            // smtp验证，就是你用来发邮件的邮箱用户名密码            transport.connect(mailHost, sender_username, sender_password);            // 发送            transport.sendMessage(message, message.getAllRecipients());            System.out.println("send success!");        } catch (Exception e) {            e.printStackTrace();        } finally {            if (transport != null) {                try {                    transport.close();                } catch (MessagingException e) {                    e.printStackTrace();                }            }        }    }    /*    public static void main(String[] args) {        JavaMailWithAttachment se = new JavaMailWithAttachment(true);        String to[]={        "abc@qq.com",        "www@sina.com",        };        File affix = new File("c:\\测试-test.txt");        se.doSendHtmlEmail("邮件主题", "邮件内容", to, affix);//    }    */}

这里注释掉的代码在java运行，在android上配置文件assert目录下

public void doSendHtmlEmail(String subject, String sendHtml, String receiveUser[], File attachment)

subject 是邮件的主题

sendHTML是邮件的内容

recevieUser[] 是收件人数组

attachment是附件的路径，如果没有附件使用null

这里注意下：

1.邮件的stmp邮件服务器的地址

2.邮箱需要开通stmp服务才能正常收到邮件在新浪申请的账号是默认没有开通stmp

3.android下网络的操作必须放到单独的线程才能正常运行

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