Android快速实现发送邮件实例

 package com.shidian.mail; import java.util.Properties; public class MailInfo { private String mailServerHost;// 发送邮件的服务器的IP private String mailServerPort;// 发送邮件的服务器的端口 private String fromAddress;// 邮件发送者的地址 private String toAddress;  // 邮件接收者的地址 private String userName;// 登陆邮件发送服务器的用户名 private String password;// 登陆邮件发送服务器的密码 private boolean validate = true;// 是否需要身份验证 private String subject;// 邮件主题 private String content;// 邮件的文本内容 private String[] attachFileNames;// 邮件附件的文件名 /** * 获得邮件会话属性 */ public Properties getProperties() { 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() { return mailServerHost; } public void setMailServerHost(String mailServerHost) { this.mailServerHost = mailServerHost; } public String getMailServerPort() { return mailServerPort; } public void setMailServerPort(String mailServerPort) { this.mailServerPort = mailServerPort; } public boolean isValidate() { return validate; } public void setValidate(boolean validate) { this.validate = validate; } public String[] getAttachFileNames() { return attachFileNames; } public void setAttachFileNames(String[] fileNames) { this.attachFileNames = fileNames; } public String getFromAddress() { return fromAddress; } public void setFromAddress(String fromAddress) { this.fromAddress = fromAddress; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getToAddress() { return toAddress; } public void setToAddress(String toAddress) { this.toAddress = toAddress; } public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } public String getSubject() { return subject; } public void setSubject(String subject) { this.subject = subject; } public String getContent() { return content; } public void setContent(String textContent) { this.content = textContent; } } 

 package com.shidian.mail; import javax.mail.Authenticator; import javax.mail.PasswordAuthentication; public class MyAuthenticator 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); } } 

 package com.shidian.mail; import android.util.Log; import java.io.File; import java.util.Date; import java.util.Properties; import javax.activation.DataHandler; import javax.activation.FileDataSource; import javax.mail.Address; import javax.mail.Authenticator; import javax.mail.BodyPart; import javax.mail.Message; import javax.mail.MessagingException; 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.mail.internet.MimeUtility; /** * 发送器 */ public class MailSender { /** * 以文本格式发送邮件 * @param mailInfo 待发送的邮件的信息 */ public boolean sendTextMail(final MailInfo mailInfo) { // 判断是否需要身份认证 MyAuthenticator authenticator = null; Properties pro = mailInfo.getProperties(); if (mailInfo.isValidate()) { // 如果需要身份认证，则创建一个密码验证器 authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword()); } // 根据邮件会话属性和密码验证器构造一个发送邮件的session Session sendMailSession = Session.getDefaultInstance(pro, authenticator); //    Session sendMailSession = Session.getInstance(pro, new Authenticator() { //      @Override //      protected PasswordAuthentication getPasswordAuthentication() { //        return new PasswordAuthentication(mailInfo.getUserName(),mailInfo.getPassword()); //      } //    }); try { // 根据session创建一个邮件消息 Message mailMessage = new MimeMessage(sendMailSession); // 创建邮件发送者地址 Address from = new InternetAddress(mailInfo.getFromAddress()); // 设置邮件消息的发送者 mailMessage.setFrom(from); // 创建邮件的接收者地址，并设置到邮件消息中 Address to = new InternetAddress(mailInfo.getToAddress()); mailMessage.setRecipient(Message.RecipientType.TO, to); // 设置邮件消息的主题 mailMessage.setSubject(mailInfo.getSubject()); // 设置邮件消息发送的时间 mailMessage.setSentDate(new Date()); // 设置邮件消息的主要内容 String mailContent = mailInfo.getContent(); mailMessage.setText(mailContent); // 发送邮件 Transport.send(mailMessage); return true; } catch (MessagingException ex) { ex.printStackTrace(); } return false; } /** * 以HTML格式发送邮件 * @param mailInfo 待发送的邮件信息 */ public static boolean sendHtmlMail(MailInfo mailInfo) { // 判断是否需要身份认证 MyAuthenticator authenticator = null; Properties pro = mailInfo.getProperties(); // 如果需要身份认证，则创建一个密码验证器 if (mailInfo.isValidate()) { authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword()); } // 根据邮件会话属性和密码验证器构造一个发送邮件的session Session sendMailSession = Session.getDefaultInstance(pro, authenticator); try { // 根据session创建一个邮件消息 Message mailMessage = new MimeMessage(sendMailSession); // 创建邮件发送者地址 Address from = new InternetAddress(mailInfo.getFromAddress()); // 设置邮件消息的发送者 mailMessage.setFrom(from); // 创建邮件的接收者地址，并设置到邮件消息中 Address to = new InternetAddress(mailInfo.getToAddress()); // Message.RecipientType.TO属性表示接收者的类型为TO mailMessage.setRecipient(Message.RecipientType.TO, to); // 设置邮件消息的主题 mailMessage.setSubject(mailInfo.getSubject()); // 设置邮件消息发送的时间 mailMessage.setSentDate(new Date()); // MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象 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(mailInfo.getContent(), "text/html; charset=utf-8"); mainPart.addBodyPart(html); // 将MiniMultipart对象设置为邮件内容 mailMessage.setContent(mainPart); // 发送邮件 Transport.send(mailMessage); return true; } catch (MessagingException ex) { ex.printStackTrace(); } return false; } /** * 发送带附件的邮件 * @param info * @return */ public boolean sendFileMail(MailInfo info, File file){ Message attachmentMail = createAttachmentMail(info,file); try { Transport.send(attachmentMail); return true; } catch (MessagingException e) { e.printStackTrace(); return false; } } /** * 创建带有附件的邮件 * @return */ private Message createAttachmentMail(final MailInfo info, File file) { //创建邮件 MimeMessage message = null; Properties pro = info.getProperties(); try { Session sendMailSession = Session.getInstance(pro, new Authenticator() { @Override protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(info.getUserName(),info.getPassword()); } }); message = new MimeMessage(sendMailSession); // 设置邮件的基本信息 //创建邮件发送者地址 Address from = new InternetAddress(info.getFromAddress()); //设置邮件消息的发送者 message.setFrom(from); //创建邮件的接受者地址，并设置到邮件消息中 Address to = new InternetAddress(info.getToAddress()); //设置邮件消息的接受者, Message.RecipientType.TO属性表示接收者的类型为TO message.setRecipient(Message.RecipientType.TO, to); //邮件标题 message.setSubject(info.getSubject()); // 创建邮件正文，为了避免邮件正文中文乱码问题，需要使用CharSet=UTF-8指明字符编码 MimeBodyPart text = new MimeBodyPart(); text.setContent(info.getContent(), "text/html;charset=UTF-8"); // 创建容器描述数据关系 MimeMultipart mp = new MimeMultipart(); mp.addBodyPart(text); // 创建邮件附件 MimeBodyPart attach = new MimeBodyPart(); FileDataSource ds = new FileDataSource(file); DataHandler dh = new DataHandler(ds); attach.setDataHandler(dh); attach.setFileName(MimeUtility.encodeText(dh.getName())); mp.addBodyPart(attach); mp.setSubType("mixed"); message.setContent(mp); message.saveChanges(); } catch (Exception e) { Log.e("TAG", "创建带附件的邮件失败"); e.printStackTrace(); } // 返回生成的邮件 return message; } } 

 package teprinciple.yang.sendmaildemo; import android.os.Environment; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.EditText; import com.shidian.mail.SendMailUtil; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; public class MainActivity extends AppCompatActivity { private EditText editText; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); editText = (EditText) findViewById(R.id.toAddEt); } public void senTextMail(View view) { SendMailUtil.send(editText.getText().toString()); } public void sendFileMail(View view) { File file = new File(Environment.getExternalStorageDirectory()+File.separator+"test.txt"); OutputStream os = null; try { os = new FileOutputStream(file); String str = "hello world"; byte[] data = str.getBytes(); os.write(data); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); }finally{ try { if (os != null)os.close(); } catch (IOException e) { } } SendMailUtil.send(file,editText.getText().toString()); } } 

 package com.shidian.mail; import android.support.annotation.NonNull; import java.io.File; /** * Created by Administrator on 2017/4/10. */ public class SendMailUtil { //qq private static final String HOST = "smtp.qq.com"; private static final String PORT = "587"; private static final String FROM_ADD = "teprinciple@foxmail.com"; private static final String FROM_PSW = "lfrlpganzjrwbeci"; //  //163 //  private static final String HOST = "smtp.163.com"; //  private static final String PORT = "465"; //或者465 994 //  private static final String FROM_ADD = "teprinciple@163.com"; //  private static final String FROM_PSW = "teprinciple163"; ////  private static final String TO_ADD = "2584770373@qq.com"; public static void send(final File file,String toAdd){ final MailInfo mailInfo = creatMail(toAdd); final MailSender sms = new MailSender(); new Thread(new Runnable() { @Override public void run() { sms.sendFileMail(mailInfo,file); } }).start(); } public static void send(String toAdd){ final MailInfo mailInfo = creatMail(toAdd); final MailSender sms = new MailSender(); new Thread(new Runnable() { @Override public void run() { sms.sendTextMail(mailInfo); } }).start(); } @NonNull private static MailInfo creatMail(String toAdd) { final MailInfo mailInfo = new MailInfo(); mailInfo.setMailServerHost(HOST); mailInfo.setMailServerPort(PORT); mailInfo.setValidate(true); mailInfo.setUserName(FROM_ADD); // 你的邮箱地址 mailInfo.setPassword(FROM_PSW);// 您的邮箱密码 mailInfo.setFromAddress(FROM_ADD); // 发送的邮箱 mailInfo.setToAddress(toAdd); // 发到哪个邮件去 mailInfo.setSubject("Hello"); // 邮件主题 mailInfo.setContent("Android 测试"); // 邮件文本 return mailInfo; } }