20210902 发送邮件最佳实践

Author: coderdream

README.md

@@ -18,6 +18,18 @@
 
 
 
+## 项目2：javamail-practice
+
+###  参考文档
+
+- [JavaMail 实现邮件推送功能(网易邮箱)](https://blog.csdn.net/weixin_43967679/article/details/107879747)
+
+  
+
+
+
+
+
 ## TODO
 
 - SendMail
@@ -34,6 +46,7 @@
 # 其他参考文档
 
 - [IDEA如何设置author头注解](https://blog.csdn.net/weixin_42555514/article/details/106826894)
+- [Intellij Idea自动添加注释的方法](https://www.jianshu.com/p/09139b425cc3)
 
 
 

javamail-practice/pom.xml

@@ -16,15 +16,38 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.7</maven.compiler.source>
         <maven.compiler.target>1.7</maven.compiler.target>
+        <poi.version>[3.17,)</poi.version>
+        <!-- Logging -->
+        <logback.version>[1.2.0,)</logback.version>
+        <slf4j.version>1.7.32</slf4j.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>javax.mail</groupId>
             <artifactId>mail</artifactId>
-            <version>1.5.0-b01</version>
+            <version>1.4.7</version>
+        </dependency>
+        <!-- Logging with SLF4J & LogBack -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${slf4j.version}</version>
+            <scope>compile</scope>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/ch.qos.logback/logback-classic -->
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.2.5</version>
+            <scope>test</scope>
         </dependency>
 
+        <dependency>
+            <groupId>org.freemarker</groupId>
+            <artifactId>freemarker</artifactId>
+            <version>2.3.20</version>
+        </dependency>
 
         <dependency>
             <groupId>junit</groupId>

javamail-practice/src/main/java/com/coderdream/ConfigLoader.java

@@ -0,0 +1,122 @@
+package com.coderdream;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+/**
+ * 邮件发送配置信息加载类
+ * 
+ * @date 2014年4月26日 下午2:52:06
+ * @author 曹志飞
+ * @Description:
+ * @project mailUtil
+ */
+public class ConfigLoader {
+	//日志记录对象
+	private static Logger log = LoggerFactory.getLogger(ConfigLoader.class);
+	// 配置文件路径
+	private static String mailPath = "mail/mail.properties";
+	// 邮件发送SMTP主机
+	private static String server;
+	// 发件人邮箱地址
+	private static String sender;
+	// 发件人邮箱用户名
+	private static String username;
+	// 发件人邮箱密码
+	private static String password;
+	// 发件人显示昵称
+	private static String nickname;
+
+	// 收件人显示昵称
+	private static String mailto;
+	
+	static {
+		// 类初始化后加载配置文件
+		InputStream in = ConfigLoader.class.getClassLoader()
+				.getResourceAsStream(mailPath);
+		Properties props = new Properties();
+		try {
+			props.load(in);
+		} catch (IOException e) {
+			log.error("load mail setting error,pleace check the file path:"
+					+ mailPath);
+			log.error(e.toString(), e);
+		}
+		server = props.getProperty("mail.server");
+		sender = props.getProperty("mail.sender");
+		username = props.getProperty("mail.username");
+		password = props.getProperty("mail.password");
+		nickname = props.getProperty("mail.nickname");
+		mailto = props.getProperty("mail.mailto");
+		log.debug("load mail setting success,file path:" + mailPath);
+	}
+
+	public static String getServer() {
+		return server;
+	}
+
+	public static String getSender() {
+		return sender;
+	}
+
+	public static String getUsername() {
+		return username;
+	}
+
+	public static String getPassword() {
+		return password;
+	}
+
+	public static String getNickname() {
+		return nickname;
+	}
+
+	public static void setMailPath(String mailPath) {
+		ConfigLoader.mailPath = mailPath;
+	}
+
+	public static Logger getLog() {
+		return log;
+	}
+
+	public static void setLog(Logger log) {
+		ConfigLoader.log = log;
+	}
+
+	public static String getMailto() {
+		return mailto;
+	}
+
+	public static void setMailto(String mailto) {
+		ConfigLoader.mailto = mailto;
+	}
+
+	public static String getMailPath() {
+		return mailPath;
+	}
+
+	public static void setServer(String server) {
+		ConfigLoader.server = server;
+	}
+
+	public static void setSender(String sender) {
+		ConfigLoader.sender = sender;
+	}
+
+	public static void setUsername(String username) {
+		ConfigLoader.username = username;
+	}
+
+	public static void setPassword(String password) {
+		ConfigLoader.password = password;
+	}
+
+	public static void setNickname(String nickname) {
+		ConfigLoader.nickname = nickname;
+	}
+
+}

javamail-practice/src/main/java/com/coderdream/EmailHelper.java

@@ -0,0 +1,90 @@
+package com.coderdream;
+
+import javax.activation.DataHandler;
+import javax.activation.DataSource;
+import javax.activation.FileDataSource;
+import javax.mail.*;
+import javax.mail.internet.*;
+import java.util.Properties;
+
+public class EmailHelper {
+    
+    private String host;
+    private String username;
+    private String password;
+    private String from;
+    
+    private String to;
+    private String subject;
+    private String htmlContent;
+    private String imagePath;
+    
+    public EmailHelper(String host, String username, String password, String from) throws AddressException, MessagingException{
+        this.host = host;
+        this.username = username;
+        this.password = password;
+        this.from = from;
+    }
+    
+	public void sendWithImage() throws Exception {
+
+        Properties props = new Properties();
+        props.put("mail.smtp.auth", "true");
+        props.put("mail.smtp.host", host);
+
+        final String username1 = username;
+        final String password1 = password;
+
+        Session session = Session.getInstance(props, new javax.mail.Authenticator() {
+            protected PasswordAuthentication getPasswordAuthentication() {
+                return new PasswordAuthentication(username1, password1);
+            }
+        });
+
+        Message message = new MimeMessage(session);
+        message.setFrom(new InternetAddress(from));
+        message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
+        message.setSubject(subject);
+        Multipart multipart = new MimeMultipart("related");
+
+        System.out.println(" html ");
+        BodyPart htmlPart = new MimeBodyPart();
+        htmlContent = "<img src=\"cid:image\">" + htmlContent;
+        htmlPart.setContent(htmlContent, "text/html");
+        multipart.addBodyPart(htmlPart);
+        
+        System.out.println(" image ");
+        System.out.println("image path : " + imagePath);
+        BodyPart imgPart = new MimeBodyPart();
+        DataSource fds = new FileDataSource(this.imagePath);
+
+        imgPart.setDataHandler(new DataHandler(fds));
+        imgPart.setHeader("Content-ID", "<image>");
+
+        multipart.addBodyPart(imgPart);
+        message.setContent(multipart);
+        Transport.send(message);
+
+        System.out.println(" Sent -| ");
+    }
+
+    public void setTo(String to) {
+        this.to = to;
+    }
+
+    public void setSubject(String subject) {
+        this.subject = subject;
+    }
+
+    public void setHtmlContent(String htmlContent) {
+        this.htmlContent = htmlContent;
+    }
+    
+    public String getImagePath() {
+        return imagePath;
+    }
+
+    public void setImagePath(String imagePath) {
+        this.imagePath = imagePath;
+    }
+}