本文主要是介绍android中使用javamail发送邮件附件，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！
使用javamail必须先下载3个JAR包并导入工程 activation.jar additonnal.jar mail.jar导入方法为: project->properties->java build path->libraries->add external jars然后在android项目中添加网络访问权限<uses-permission android:name="android.permission.INTERNET"></uses-permission>最后在程序中加载如下包import android.app.Activity;
import android.os.Bundle;
import android.util.Log;import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.*;
import javax.mail.internet.*;
import javax.mail.PasswordAuthentication;调用函数代码如下 class MyAuthenticatorextends javax.mail.Authenticator {private String strUser;private String strPwd;public MyAuthenticator(String user, String password) {this.strUser = user;this.strPwd = password;}protected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication(strUser, strPwd);}
}public void send_mail_file(String str_to_mail,String str_from_mail,String str_smtp,String str_user,String str_pass,String str_title,String str_body,String str_file_path){Log.v("lengfeng","send_mail_file");String host = str_smtp; //发件人使用发邮件的电子信箱服务器String from = str_from_mail; //发邮件的出发地（发件人的信箱）String to = str_to_mail; //发邮件的目的地（收件人信箱）Log.v("lengfeng",str_smtp);Log.v("lengfeng",str_from_mail);Log.v("lengfeng",str_to_mail);Properties props = System.getProperties();// Get system propertiesprops.put("mail.smtp.host", host);// Setup mail serverprops.put("mail.smtp.auth", "true"); //这样才能通过验证MyAuthenticator myauth = new MyAuthenticator(str_user, str_pass);// Get sessionSession session = Session.getDefaultInstance(props, myauth);MimeMessage message = new MimeMessage(session); // Define messagetry {message.setFrom(new InternetAddress(from)); // Set the from address} catch (AddressException e) {e.printStackTrace();} catch (MessagingException e) {e.printStackTrace();}try {message.addRecipient(Message.RecipientType.TO,new InternetAddress(to));// Set the to address} catch (AddressException e) {e.printStackTrace();} catch (MessagingException e) {e.printStackTrace();}try {message.setSubject(str_title);// Set the subject} catch (MessagingException e) {e.printStackTrace();}try {message.setText(str_body);// Set the content} catch (MessagingException e) {e.printStackTrace();}MimeBodyPart attachPart = new MimeBodyPart(); FileDataSource fds = new FileDataSource(str_file_path); //打开要发送的文件try {attachPart.setDataHandler(new DataHandler(fds));} catch (MessagingException e) {e.printStackTrace();} try {attachPart.setFileName(fds.getName());} catch (MessagingException e) {e.printStackTrace();} MimeMultipart allMultipart = new MimeMultipart("mixed"); //附件try {allMultipart.addBodyPart(attachPart);//添加} catch (MessagingException e) {e.printStackTrace();} try {message.setContent(allMultipart);} catch (MessagingException e) {e.printStackTrace();} try {message.saveChanges();} catch (MessagingException e) {e.printStackTrace();} try {Transport.send(message);//开始发送} catch (MessagingException e) {e.printStackTrace();} } 这篇关于android中使用javamail发送邮件附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！
