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用Java发送带有Pdf附件的电子邮件_Java_Jsp_Email_Pdf - Fatal编程技术网

用Java发送带有Pdf附件的电子邮件

用Java发送带有Pdf附件的电子邮件,java,jsp,email,pdf,Java,Jsp,Email,Pdf,我正在用Java发送带有pdf附件的电子邮件,它工作正常。但当我打开pdf文件时,它无法打开并显示消息“Adobe Acrobat Reader DC无法打开'Report.pdf',因为它不是受支持的文件类型,或者因为文件已损坏(例如,它作为电子邮件附件发送,未正确解码)” MimeBodyPart attachment = new MimeBodyPart(); //outputStream = new ByteArrayOutputStream(); byte[] byte

我正在用Java发送带有pdf附件的电子邮件,它工作正常。但当我打开pdf文件时,它无法打开并显示消息“Adobe Acrobat Reader DC无法打开'Report.pdf',因为它不是受支持的文件类型,或者因为文件已损坏(例如,它作为电子邮件附件发送,未正确解码)”

MimeBodyPart attachment = new MimeBodyPart();
    //outputStream = new ByteArrayOutputStream();
    byte[] bytes = outputStream.toByteArray();
    ByteArrayDataSource ds = new ByteArrayDataSource(bytes, "application/pdf");
    attachment.setDataHandler(new DataHandler(ds));
    attachment.setFileName("Report.pdf");
    MimeMultipart mimeMultipart = new MimeMultipart();
    mimeMultipart.addBodyPart(attachment);
    msg.setContent(mimeMultipart);