SpringBoot（十一）：SpringBoot发送邮件

た入场券 2022-06-02 04:38 210阅读 0赞

> 之前一段时间没有上CSDN发表，自己本地记在有道云的，现在都发出来，希望对你们有帮助。

···

> 发送邮件

### 一、依赖 ###

<dependency>
        <groupId>com.sun.mail</groupId>
        <artifactId>javax.mail</artifactId>
        <version>1.6.0</version>
    </dependency>

### 二、邮箱配置 ###

mail.smtp.auth=true
    mail.transport.protocol=smtp
    mail.send.charset=UTF-8
    mail.smtp.port=465
    mail.is.ssl=true
    mail.host=smtp.163.com
    mail.auth.name=xx@163.com
    mail.auth.password=
    mail.smtp.timeout=5000

### 三、代码 ###

工具类 EmailUtils

package cn.aduu.utils;
    
    import com.sun.mail.util.MailSSLSocketFactory;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.core.env.Environment;
    import org.springframework.mail.javamail.JavaMailSenderImpl;
    import org.springframework.mail.javamail.MimeMessageHelper;
    import org.springframework.stereotype.Component;
    
    import javax.annotation.PostConstruct;
    import javax.mail.internet.MimeMessage;
    import java.io.File;
    import java.security.GeneralSecurityException;
    import java.util.List;
    import java.util.Map;
    import java.util.Properties;
    
    /** * @author zh * @ClassName cn.aduu.utils.EmailUtils * @Description */
    @Component
    public class EmailUtils { 
    
        private static final Logger logger = LoggerFactory.getLogger(EmailUtils.class);
    
        @Autowired
        private Environment env;
    
        private static String auth;
        private static String host;
        private static String protocol;
        private static int port;
        private static String authName;
        private static String password;
        private static boolean isSSL;
        private static String charset ;
        private static String timeout;
    
        @PostConstruct
        public void initParam () {
            auth = env.getProperty("mail.smtp.auth");
            host = env.getProperty("mail.host");
            protocol = env.getProperty("mail.transport.protocol");
            port = env.getProperty("mail.smtp.port", Integer.class);
            authName = env.getProperty("mail.auth.name");
            password = env.getProperty("mail.auth.password");
            charset = env.getProperty("mail.send.charset");
            isSSL = env.getProperty("mail.is.ssl", Boolean.class);
            timeout = env.getProperty("mail.smtp.timeout");
        }
    
    
        /** * 发送邮件 * @param subject 主题 * @param toUsers 收件人 * @param ccUsers 抄送 * @param content 邮件内容 * @param attachfiles 附件列表 List<Map<String, String>> key: name && file */
        public static boolean sendEmail(String subject, String[] toUsers, String[] ccUsers, String content, List<Map<String, String>> attachfiles) {
            boolean flag = true;
            try {
                JavaMailSenderImpl javaMailSender = new JavaMailSenderImpl();
                javaMailSender.setHost(host);
                javaMailSender.setUsername(authName);
                javaMailSender.setPassword(password);
                javaMailSender.setDefaultEncoding(charset);
                javaMailSender.setProtocol(protocol);
                javaMailSender.setPort(port);
    
                Properties properties = new Properties();
                properties.setProperty("mail.smtp.auth", auth);
                properties.setProperty("mail.smtp.timeout", timeout);
                if(isSSL){
                    MailSSLSocketFactory sf = null;
                    try {
                        sf = new MailSSLSocketFactory();
                        sf.setTrustAllHosts(true);
                        properties.put("mail.smtp.ssl.enable", "true");
                        properties.put("mail.smtp.ssl.socketFactory", sf);
                    } catch (GeneralSecurityException e) {
                        e.printStackTrace();
                    }
                }
                javaMailSender.setJavaMailProperties(properties);
    
                MimeMessage mailMessage = javaMailSender.createMimeMessage();
                MimeMessageHelper messageHelper = new MimeMessageHelper(mailMessage, true);
                messageHelper.setTo(toUsers);
                if (ccUsers != null && ccUsers.length > 0) {
                    messageHelper.setCc(ccUsers);
                }
                messageHelper.setFrom(authName);
                messageHelper.setSubject(subject);
                messageHelper.setText(content, true);
    
                if (attachfiles != null && attachfiles.size() > 0) {
                    for (Map<String, String> attachfile : attachfiles) {
                        String attachfileName = attachfile.get("name");
                        File file = new File(attachfile.get("file"));
                        messageHelper.addAttachment(attachfileName, file);
                    }
                }
                javaMailSender.send(mailMessage);
    
            } catch (Exception e) {
                logger.error("发送邮件失败!", e);
                flag = false;
            }
            return flag;
        }
    }

### 四、测试 ###

package cn.aduu.web;
    
    import cn.aduu.utils.EmailUtils;
    import com.fasterxml.jackson.core.JsonProcessingException;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    /** * @author zh * @ClassName cn.aduu.web.EmailController * @Description */
    @RestController
    public class EmailController { 
    
        private static final Logger logger = LoggerFactory.getLogger(EmailController.class);
    
        @RequestMapping("sendEmail")
        public String sendEmail() throws JsonProcessingException {
            boolean isSend = EmailUtils.sendEmail("这是一封测试邮件", new String[]{
       "3379218@qq.com"}, null, "<h3><a href='http://www.baidu.com'>百度一下，你就知道</a></h3>", null);
            return "发送邮件:" + isSend;
        }
    
    
    }

![这里写图片描述][SouthEast]

![这里写图片描述][SouthEast 1]

[SouthEast]: /images/20220602/3aadd39c9ec645e38ef589c33ff1ae9e.png
[SouthEast 1]: /images/20220602/128bd30aceac4481ad1bee8233acd6a1.png