kotlin发邮件
作者:互联网
1. 依赖
dependencies{
// https://mvnrepository.com/artifact/javax.mail/mail
implementation("javax.mail:mail:1.5.0-b01")
}
2. 实现
import java.util.*
import javax.activation.DataHandler
import javax.activation.FileDataSource
import javax.mail.*
import javax.mail.internet.InternetAddress
import javax.mail.internet.MimeBodyPart
import javax.mail.internet.MimeMessage
import javax.mail.internet.MimeMultipart
fun main() {
val account = "你的账号@qq.com"
val password = "填邮箱密码或key"
val personal = "发信使用的昵称"
val to = "接收账号@qq.com"
val props = mapOf(
// 认证
"mail.smtp.auth" to "true",
// smtp服务器
"mail.smtp.host" to "smtp.qq.com",
// smtp端口
"mail.smtp.port" to "587",
)
val subject = "主题"
val text = "内容"
val html= "<h5>这是HTML</h5>"
val filePath1 = """D:\图片\aaa.jpg"""
val filePath2 = """D:\图片\0.png"""
val filename = "绝命响应.png"
val properties = Properties().apply { putAll(props) }
val authenticator = object : Authenticator() {
override fun getPasswordAuthentication(): PasswordAuthentication {
return PasswordAuthentication(account, password)
}
}
val mailSession = Session.getInstance(properties, authenticator)
val textMessage = MimeMessage(mailSession).apply {
setFrom(InternetAddress(account, personal, "UTF-8"))
setRecipient(Message.RecipientType.TO, InternetAddress(to))
setSubject(subject)
setText(text)
}
val htmlMessage = MimeMessage(mailSession).apply {
setFrom(InternetAddress(account, personal, "UTF-8"))
setRecipient(Message.RecipientType.TO, InternetAddress(to))
setSubject(subject)
setContent(html, "text/html")
}
val multipartMessage = MimeMessage(mailSession).apply {
setFrom(InternetAddress(account, personal, "UTF-8"))
setRecipient(Message.RecipientType.TO, InternetAddress(to))
setSubject(subject)
val multipart = MimeMultipart().apply {
addBodyPart(MimeBodyPart().apply {
setContent(html, "text/html")
})
// 若setContent设置为HTML,则前后都无法显示setText中内容
// addBodyPart(MimeBodyPart().apply { setText("this is a text") })
addBodyPart(MimeBodyPart().apply { attachFile(filePath1) })
addBodyPart(MimeBodyPart().apply {
val source=FileDataSource(filePath2)
dataHandler = DataHandler(source)
fileName=filename
})
}
setContent(multipart)
}
// Transport.send(textMessage)
// Transport.send(htmlMessage)
Transport.send(multipartMessage)
}
标签:发邮件,InternetAddress,val,kotlin,mail,apply,import,javax 来源: https://www.cnblogs.com/soclear/p/15678008.html