标签:文件 编写 java mes resource code png date 如何
使用 java 代码发送邮件
使用工具类发送邮件
使用Spring进行整合发送邮件
发送带附件的邮件
<!-- Javamail --> <dependency> <groupId>javax.mail</groupId> <artifactId>mail</artifactId> <version>1.4.4</version> </dependency>
/** * java程序发送邮件 * @author Mr.song * @date 2019/05/24 16:17 */ public class JavaMail { public static void main(String[] args) throws Exception { //1.配置发送邮件的属性 Properties properties = new Properties(); properties.setProperty("mail.smtp.host", "localhost"); //设置协议主机 properties.setProperty("mail.smtp.auth", "true"); //设置smtp是否需要认证 //2.根据属性获得一个会话 Session session = Session.getInstance(properties); //3.设置会话是debug模式(会打印更多相关信息) session.setDebug(true); //4.创建邮件主题信息对象 MimeMessage message = new MimeMessage(session); //5.设置发件人 message.setFrom(new InternetAddress("dintalk@sh.com")); //6.设置邮件主题 message.setSubject("我的第一份java邮件"); //7.设置邮件正文 message.setText("第一份邮件发送成功了,哈哈"); //8.设置收件人: TO-发送 CC-抄送 BCC-密送 message.setRecipient(Message.RecipientType.TO, new InternetAddress("talkdin@sh.com")); //9.获取发送器对象:提供指定的协议 Transport transport = session.getTransport("smtp"); //10.设置发件人的信息 transport.connect("localhost", "dintalk", "123456"); //11.发送邮件 transport.sendMessage(message, message.getAllRecipients()); //12.关闭资源 transport.close(); } }
/** * @author Mr.song * @date 2019/05/24 16:53 */ public class MailUtil { /** * 工具类发送邮件的方法里,发件邮箱的信息是固定的 * @param map : 收件地址和发送类型 (地址作 key) * @param subject : 邮件的主题 * @param content : 邮件的正文 * @throws MessagingException */ public static void sendMail(Map<String,String>map,String subject,String content) throws MessagingException { //1.配置发送邮件的属性 Properties properties = new Properties(); properties.setProperty("mail.smtp.host","localhost"); //设置协议主机 properties.setProperty("mail.smtp.auth","true"); //设置smtp是否需要认证 //2.根据属性获得一个会话 Session session = Session.getInstance(properties); //3.设置会话是debug模式(会打印更多相关信息,生产环境可设为false) session.setDebug(true); //4.创建邮件主题信息对象 MimeMessage message = new MimeMessage(session); //5.设置发件人 message.setFrom(new InternetAddress("dintalk@sh.com")); //6.设置邮件主题 message.setSubject(subject); //7.设置邮件正文 message.setText(content); //8.设置收件人: TO-发送 CC-抄送 BCC-密送 for (Map.Entry<String, String> me : map.entrySet()) { String email = me.getKey(); //邮件地址 String type = me.getValue(); //邮件类型 if ("to".equalsIgnoreCase(type)){ //发送 message.setRecipient(Message.RecipientType.TO,new InternetAddress(email)); }else if ("cc".equalsIgnoreCase(type)){ //抄送 message.setRecipient(Message.RecipientType.CC,new InternetAddress(email)); }else if ("bcc".equalsIgnoreCase(type)){ //密送 message.setRecipient(Message.RecipientType.BCC,new InternetAddress(email)); } } //9.获取发送器对象:提供指定的协议 Transport transport = session.getTransport("smtp"); //10.设置发件人的信息 transport.connect("localhost","dintalk","123456"); //11.发送邮件 transport.sendMessage(message,message.getAllRecipients()); //12.关闭资源 transport.close(); } }
/** * 使用工具类发送邮件 * @author Mr.song * @date 2019/05/24 16:47 */ public class UtilMail { public static void main(String[] args) throws Exception{ Map<String,String> map = new HashMap<>(); map.put("din@sh.com","to"); map.put("talk@sh.com","cc"); map.put("talkdin@sh.com","bcc"); MailUtil.sendMail(map,"我的第二封邮件","使用工具类发送邮件...."); } }
<!-- Javamail --> <dependency> <groupId>javax.mail</groupId> <artifactId>mail</artifactId> <version>1.4.4</version> </dependency> <!--整合spring坐标--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>5.0.4.RELEASE</version> </dependency>
#设置发件方邮箱地址 mail.from=dintalk@sh.com #设置协议主机 mail.host=localhost #设置发件方用户名 mail.username=dintalk #设置发件方密码 mail.password=123456 #设置邮件编码格式 mail.encoding=UTF-8 #设置邮件发送协议 mail.protocol=smtp
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <!-- 1.指定引入其他资源文件.properties文件 --> <context:property-placeholder location="classpath:mail.properties"/> <!-- 2.配置简单邮件消息对象 --> <bean id="mailMessage" class="org.springframework.mail.SimpleMailMessage"> <!-- 此时我们只需要注入发件箱名称即可。不要注入主题,正文,收件箱等不固定的信息 --> <property name="from" value="${mail.from}"></property> </bean> <!-- 3.配置邮件发送器 --> <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl"> <property name="host" value="${mail.host}"></property> <property name="username" value="${mail.username}"></property> <property name="password" value="${mail.password}"></property> <property name="defaultEncoding" value="${mail.encoding}"></property> <property name="protocol" value="${mail.protocol}"></property> <property name="javaMailProperties"> <props> <!-- 是否需要验证 --> <prop key="mail.smtp.auth">true</prop> <!-- 是否需要debug的信息 --> <prop key="mail.debug">true</prop> <!-- 设置发送超时时间,以秒为单位。0为永不超时 --> <prop key="mail.smtp.timeout">0</prop> </props> </property> </bean> </beans>
/** * 整合Spring的邮件发送 * @author Mr.song * @date 2019/05/24 17:07 */ public class SpringMail { public static void main(String[] args) throws MessagingException { //1.获取Spring容器 ApplicationContext ac = new ClassPathXmlApplicationContext ("classpath:applicationContext-mail.xml"); //2.获取消息对象 SimpleMailMessage mailMessage = (SimpleMailMessage) ac.getBean("mailMessage"); //3.设置邮件的主题 mailMessage.setSubject("Spring整合javamail"); //4.设置邮件的内容,和收件人信息 mailMessage.setText("Spring整合javamail成功"); mailMessage.setTo("din@sh.com","talk@sh.com"); mailMessage.setCc("talkdin@sh.com"); //5.获取邮件发送对象 JavaMailSenderImpl mailSender = (JavaMailSenderImpl) ac.getBean("mailSender"); //6.发送邮件 mailSender.send(mailMessage); } }
/** * 发送带附件的邮件 * @author Mr.song * @date 2019/05/24 17:35 */ public class AttachmentMail { public static void main(String[] args) throws MessagingException { //1.获取spring的容器 ApplicationContext ac = new ClassPathXmlApplicationContext ("classpath:applicationContext-mail.xml"); //2.获取发送器对象(spring提供的) JavaMailSenderImpl sender = (JavaMailSenderImpl) ac.getBean("mailSender"); //3.获取MimeMessage MimeMessage mailMessage = sender.createMimeMessage(); //4.创建spring提供的复杂邮件的帮助对象 MimeMessageHelper helper = new MimeMessageHelper(mailMessage, true); //5.设置发件人邮箱 helper.setFrom("dintalk@sh.com"); //6.设置邮件的收件人 helper.setTo("din@sh.com"); //7.设置邮件的主题 helper.setSubject("带有附件和图片的邮件"); //8.设置邮件的正文 helper.setText("<html><head></head><body><h1>这是一封带有附件和图片的邮件</h1><img src=cid:image></body></html>", true); //9.设置图片 FileSystemResource resource = new FileSystemResource(new File("C:\\Users\\Administrator\\Desktop\\1.png")); //10.使用图片替换cid (cid是规定的,只能用cid) helper.addInline("image", resource); //11.设置附件 helper.addAttachment("1.png", resource); //12.发送邮件 sender.send(mailMessage); } }
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标签:文件 编写 java mes resource code png date 如何
原文地址:https://www.cnblogs.com/dintalk/p/10933279.html