springboot 邮件

桃扇骨 2022-09-03 15:13 224阅读 0赞

--------------------

## springboot 邮件 ##

## \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ##

**相关类与接口**

**MailSenderAutoConfiguration：自动配置类**

@Configuration(
        proxyBeanMethods = false
    )
    @ConditionalOnClass({MimeMessage.class, MimeType.class, MailSender.class})
    @ConditionalOnMissingBean({MailSender.class})
    @Conditional({MailSenderAutoConfiguration.MailSenderCondition.class})
    @EnableConfigurationProperties({MailProperties.class})   //配置MailProperties属性实例
    @Import({MailSenderJndiConfiguration.class, MailSenderPropertiesConfiguration.class})
                                        //导入 MailSenderPropertiesConfiguration配置类
    public class MailSenderAutoConfiguration {
        public MailSenderAutoConfiguration() {
        }
    
        static class MailSenderCondition extends AnyNestedCondition {
            MailSenderCondition() {
                super(ConfigurationPhase.PARSE_CONFIGURATION);
            }
    
            @ConditionalOnProperty(
                prefix = "spring.mail",
                name = {"jndi-name"}
            )
            static class JndiNameProperty {
                JndiNameProperty() {
                }
            }
    
            @ConditionalOnProperty(
                prefix = "spring.mail",
                name = {"host"}
            )
            static class HostProperty {
                HostProperty() {
                }
            }
        }
    }

**MailProperties**

@ConfigurationProperties(
        prefix = "spring.mail"
    )
    public class MailProperties {
        private static final Charset DEFAULT_CHARSET;
        private String host;
        private Integer port;
        private String username;
        private String password;
        private String protocol = "smtp";
        private Charset defaultEncoding;
        private Map<String, String> properties;
        private String jndiName;
    
        public MailProperties() {
            this.defaultEncoding = DEFAULT_CHARSET;
            this.properties = new HashMap();
        }

**MailSenderPropertiesConfiguration**

@Configuration(
        proxyBeanMethods = false
    )
    @ConditionalOnProperty(
        prefix = "spring.mail",
        name = {"host"}
    )
    class MailSenderPropertiesConfiguration {
        MailSenderPropertiesConfiguration() {
        }
    
        @Bean
        @ConditionalOnMissingBean({JavaMailSender.class})
        JavaMailSenderImpl mailSender(MailProperties properties) {
            JavaMailSenderImpl sender = new JavaMailSenderImpl();
            this.applyProperties(properties, sender);
            return sender;
        }  //如果不存在JavaMailSender实例，则创建JavaMailSender实例
    
        private void applyProperties(MailProperties properties, JavaMailSenderImpl sender) {
            sender.setHost(properties.getHost());
            if (properties.getPort() != null) {
                sender.setPort(properties.getPort());
            }
    
            sender.setUsername(properties.getUsername());
            sender.setPassword(properties.getPassword());
            sender.setProtocol(properties.getProtocol());
            if (properties.getDefaultEncoding() != null) {
                sender.setDefaultEncoding(properties.getDefaultEncoding().name());
            }
    
            if (!properties.getProperties().isEmpty()) {
                sender.setJavaMailProperties(this.asProperties(properties.getProperties()));
            }
    
        }
    
        private Properties asProperties(Map<String, String> source) {
            Properties properties = new Properties();
            properties.putAll(source);
            return properties;
        }
    }

**JavaMailSender**

public interface JavaMailSender extends MailSender {
    
        MimeMessage createMimeMessage();
        MimeMessage createMimeMessage(InputStream var1) throws MailException;
    
        void send(MimeMessage var1) throws MailException;
        void send(MimeMessage... var1) throws MailException;
        void send(MimeMessagePreparator var1) throws MailException;
        void send(MimeMessagePreparator... var1) throws MailException;
    }

## \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ##

**示例**

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**application.yml**

spring:
      mail:
        host: smtp.qq.com
        port: 465 #587
        protocol: smtps     #端口587，protocol设置为smtp
                            #端口465，protocol设置为smtps
        username: ***@qq.com
        password: ***       #password为授权码，不是qq密码
        properties:
          mail.smtp.socketFactoryClass: javax.net.ssl.SSLSocketFactory
          mail.debug: true

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**service 层**

**MailService**

@Service
    public class MailService {
    
        @Resource
        private JavaMailSender javaMailSender;
    
        @Resource
        private TemplateEngine templateEngine;
    
        public void send(String name, Double salary) throws Exception {
            MimeMessage mimeMessage=javaMailSender.createMimeMessage();
            MimeMessageHelper helper=new MimeMessageHelper(mimeMessage,true);
            helper.setSubject("入职邮件");
            helper.setFrom("***@qq.com");
            helper.setTo("***@139.com");
            helper.setSentDate(new Date());
    
            Context context=new Context();
            context.setVariable("name",name);
            context.setVariable("salary",salary);
            String text=templateEngine.process("hiring.html",context);
            helper.setText(text,true);
    
            javaMailSender.send(helper.getMimeMessage());
        }
    }

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**controller** **层**

**HelloController**

@RestController
    public class HelloController {
    
        @Resource
        private MailService mailService;
    
        @RequestMapping("/send")
        public String hello(){
            try {
                mailService.send("瓜田李下",20000d);
            }catch (Exception e){
                e.printStackTrace();
            }
    
            return "success";
        }
    }

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**html 页面**

**hiring.html**

<!DOCTYPE html>
    <html lang="en" xmlns="http://www.w3.org/1999/xhtml"
          xmlns:th="http://www.thymeleaf.org" xmlns:sec="https://www.thymeleaf.org/thymeleaf-extras-springsecurity4">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
    <div>
        <img src="/img/lhg.jpeg" alt="联合国" th:width="100">
        <span style="color: orange">欢迎就联合国，你的入职信息如下</span>
        <div>
            <span style="color: blueviolet" th:text="${name}"></span>
            <span style="color: blueviolet" th:text="${salary}"></span>
        </div>
    </div>
    </body>
    </html>

## \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ##

**使用测试**

**localhost:8080/send**，**控制台输出：**

DEBUG: Jakarta Mail version 1.6.7
    DEBUG: successfully loaded resource: /META-INF/javamail.default.providers
    DEBUG: Tables of loaded providers
    DEBUG: Providers Listed By Class Name: {com.sun.mail.smtp.SMTPTransport=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle], com.sun.mail.imap.IMAPSSLStore=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Oracle], com.sun.mail.pop3.POP3Store=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Oracle], com.sun.mail.smtp.SMTPSSLTransport=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Oracle], com.sun.mail.imap.IMAPStore=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Oracle], com.sun.mail.pop3.POP3SSLStore=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Oracle]}
    DEBUG: Providers Listed By Protocol: {imap=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Oracle], smtp=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle], pop3=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Oracle], imaps=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Oracle], smtps=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Oracle], pop3s=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Oracle]}
    DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
    DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Oracle]
    DEBUG SMTP: useEhlo true, useAuth false
    DEBUG SMTP: trying to connect to host "smtp.qq.com", port 465, isSSL true
    220 newxmesmtplogicsvrszc6.qq.com XMail Esmtp QQ Mail Server.
    DEBUG SMTP: connected to host "smtp.qq.com", port: 465
    EHLO LAPTOP-D73GD8TE
    250-newxmesmtplogicsvrszc6.qq.com
    250-PIPELINING
    250-SIZE 73400320
    250-AUTH LOGIN PLAIN XOAUTH XOAUTH2
    250-AUTH=LOGIN
    250-MAILCOMPRESS
    250 8BITMIME
    DEBUG SMTP: Found extension "PIPELINING", arg ""
    DEBUG SMTP: Found extension "SIZE", arg "73400320"
    DEBUG SMTP: Found extension "AUTH", arg "LOGIN PLAIN XOAUTH XOAUTH2"
    DEBUG SMTP: Found extension "AUTH=LOGIN", arg ""
    DEBUG SMTP: Found extension "MAILCOMPRESS", arg ""
    DEBUG SMTP: Found extension "8BITMIME", arg ""
    DEBUG SMTP: protocolConnect login, host=smtp.qq.com, user=2840119419@qq.com, password=<non-null>
    DEBUG SMTP: Attempt to authenticate using mechanisms: LOGIN PLAIN DIGEST-MD5 NTLM XOAUTH2 
    DEBUG SMTP: Using mechanism LOGIN
    DEBUG SMTP: AUTH LOGIN command trace suppressed
    DEBUG SMTP: AUTH LOGIN succeeded
    DEBUG SMTP: use8bit false
    MAIL FROM:<***@qq.com>
    250 OK.
    RCPT TO:<***@139.com>
    250 OK
    DEBUG SMTP: Verified Addresses
    DEBUG SMTP:   ***@139.com
    DATA
    354 End data with <CR><LF>.<CR><LF>.
    Date: Mon, 9 Aug 2021 23:31:15 +0800 (GMT+08:00)
    From: ***@qq.com
    To: ***@139.com
    Message-ID: <509067576.2.1628523095532@LAPTOP-D73GD8TE>
    Subject: =?UTF-8?B?5YWl6IGM6YKu5Lu2?=
    MIME-Version: 1.0
    Content-Type: multipart/mixed; 
    	boundary="----=_Part_0_1100311236.1628523075685"
    
    ------=_Part_0_1100311236.1628523075685
    Content-Type: multipart/related; 
    	boundary="----=_Part_1_1548963931.1628523075695"
    
    ------=_Part_1_1548963931.1628523075695
    Content-Type: text/html;charset=UTF-8
    Content-Transfer-Encoding: quoted-printable
    
    <!DOCTYPE html>
    <html lang=3D"en" xmlns=3D"http://www.w3.org/1999/xhtml"
          xmlns:sec=3D"https://www.thymeleaf.org/thymeleaf-extras-springsecurit=
    y4">
    <head>
        <meta charset=3D"UTF-8">
        <title>Title</title>
    </head>
    <body>
    <div>
        <img src=3D"/img/lhg.jpeg" alt=3D"=E8=81=94=E5=90=88=E5=9B=BD" width=3D=
    "100">
        <span style=3D"color: orange">=E6=AC=A2=E8=BF=8E=E5=B0=B1=E8=81=94=E5=
    =90=88=E5=9B=BD=EF=BC=8C=E4=BD=A0=E7=9A=84=E5=85=A5=E8=81=8C=E4=BF=A1=E6=81=
    =AF=E5=A6=82=E4=B8=8B</span>
        <div>
            <span style=3D"color: blueviolet">=E7=93=9C=E7=94=B0=E6=9D=8E=E4=B8=
    =8B</span>
            <span style=3D"color: blueviolet">20000.0</span>
        </div>
    </div>
    </body>
    </html>
    ------=_Part_1_1548963931.1628523075695--
    
    ------=_Part_0_1100311236.1628523075685--
    .
    250 OK: queued as.
    DEBUG SMTP: message successfully delivered to mail server
    QUIT
    221 Bye.