java 邮件发送附件在本地和测试服务器都没问题
在华为云的服务器出现了附件 变成ATT00001.bin
由于生产环境不方便测试
1.直接加了静态代码块:
static {
System.setProperty(“mail.mime.splitlongparameters”, “false”);
System.setProperty(“mail.mime.charset”, “UTF-8”);
}
2.附件名加了
part.setFileName(MimeUtility.encodeText(fds.getName())) ;
(原来附件名是MimeUtility.encodeWord(fds.getName()) 生产环境不支持)
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.*;
import java.util.Properties;
public class MailUtil {
// 代理配置信息
private int proxyPort;
private String proxyHost;
private String smtpHost;
private String smtpPort;
private String user;
private String password;
private String mailName;
static {
System.setProperty("mail.mime.splitlongparameters", "false");
System.setProperty("mail.mime.charset", "UTF-8");
}
public LangFangMailUtil(int proxyPort,String proxyHost,String smtpHost,String smtpPort,String user,String password,String mailName){
this.proxyPort =proxyPort;
this.proxyHost =proxyHost;
this.smtpHost =smtpHost;
this.smtpPort =smtpPort;
this.user =user;
this.password =password;
this.mailName =mailName;
}
public void sendMail(String addressee, String body, String data,String title) throws Exception {
Properties properties = System.getProperties();
properties.setProperty("proxySet", "true");
properties.put("mail.smtp.proxy.host", proxyHost);
properties.put("mail.smtp.proxy.port", proxyPort);
properties.put("mail.transport.protocol", "smtp");// 连接协议
properties.put("mail.smtp.host", smtpHost);// 主机名
properties.put("mail.smtp.port", smtpPort);// 端口号
properties.put("mail.smtp.auth", "true");
// properties.put("mail.smtp.ssl.enable", "true");// 设置是否使用ssl安全连接 ---一般都使用
properties.put("mail.debug", "false");// 设置是否显示debug信息 true 会在控制台显示相关信息
// properties.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");// 设置是否使用ssl安全连接
// 得到回话对象
Session session = Session.getInstance(properties);
// 获取邮件对象
Message message = new MimeMessage(session);
// 设置发件人邮箱地址
message.setFrom(new InternetAddress(user, mailName, "UTF-8"));
// 设置收件人邮箱地址
String[] addressees = addressee.split(",");
InternetAddress[] internetAddress = new InternetAddress[addressees.length];
for (int i = 0; i < addressees.length; i++) {
internetAddress[i] = new InternetAddress(addressees[i]);
}
message.setRecipients(Message.RecipientType.TO, internetAddress);//多个收件人
// 设置邮件标题
message.setSubject(title);
// 设置邮件内容
MimeBodyPart part2 = new MimeBodyPart();
part2.setText(body, "UTF-8");
//单个文件上传
Multipart multipart = new MimeMultipart();
MimeBodyPart part = new MimeBodyPart();
FileDataSource fds = new FileDataSource(data);
System.err.println(fds.getName());
part.setFileName(MimeUtility.encodeText(fds.getName()));
part.setDataHandler(new DataHandler(fds));
multipart.addBodyPart(part);
multipart.addBodyPart(part2);
message.setContent(multipart);
// 得到邮差对象
Transport transport = session.getTransport();
// 连接自己的邮箱账户
transport.connect(user, password);// 密码为QQ邮箱开通的stmp服务后得到的客户端授权码
// 发送邮件
transport.sendMessage(message, message.getAllRecipients());
transport.close();
}
}