如何使用 JSP 頁面傳送基於 HTML 的電子郵件?
下面提供一個在計算機中傳送 HTML 電子郵件的示例。假設你的本地主機已連線到網際網路,並且能夠傳送電子郵件。確保Java 電子郵件 API 包和JAF 包中的所有 jar 檔案都可以在 CLASSPATH 中找到。
此示例與上一個示例非常相似,只是這裡我們使用 setContent() 方法設定內容,其第二個引數為 "text/html",用於指定要將 HTML 內容包含在訊息中。
透過此示例,你可以傳送所需長度的 HTML 內容。
示例
<%@ page import = "java.io.*,java.util.*,javax.mail.*"%>
<%@ page import = "javax.mail.internet.*,javax.activation.*"%>
<%@ page import = "javax.servlet.http.*,javax.servlet.*" %>
<%
String result;
// Recipient's email ID needs to be mentioned.
String to = "abcd@gmail.com";
// Sender's email ID needs to be mentioned
String from = "mcmohd@gmail.com";
// Assuming you are sending email from localhost
String host = "localhost";
// Get system properties object
Properties properties = System.getProperties();
// Setup mail server
properties.setProperty("mail.smtp.host", host);
// Get the default Session object.
Session mailSession = Session.getDefaultInstance(properties);
try {
// Create a default MimeMessage object.
MimeMessage message = new MimeMessage(mailSession);
// Set From: header field of the header.
message.setFrom(new InternetAddress(from));
// Set To: header field of the header.
message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
// Set Subject: header field
message.setSubject("This is the Subject Line!");
// Send the actual HTML message, as big as you like
message.setContent("<h1>This is actual message</h1>", "text/html" );
// Send message
Transport.send(message);
result = "Sent message successfully....";
} catch (MessagingException mex) {
mex.printStackTrace();
result = "Error: unable to send message....";
}
%>
<html>
<head>
<title>Send HTML Email using JSP</title>
</head>
<body>
<center>
<h1>Send Email using JSP</h1>
</center>
<p align = "center">
<%
out.println("Result: " + result + "
");
%>
</p>
</body>
</html>
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