java+rest方式写一个邮件发送接口

 1  <!--发邮件-->
 2         <dependency>
 3             <groupId>org.springframework.boot</groupId>
 4             <artifactId>spring-boot-starter-mail</artifactId>
 5         </dependency>
 6 
 7         <dependency>
 8             <groupId>javax.mail</groupId>
 9             <artifactId>mail</artifactId>
10             <version>1.4.5</version>
11         </dependency>

 1 package com.example.demo.tools;
 2 
 3 import com.alibaba.fastjson.JSONObject;
 4 import org.springframework.web.bind.annotation.*;
 5 
 6 import java.util.LinkedHashMap;
 7 import java.util.Map;
 8 import java.util.Properties;
 9 import javax.mail.Message;
10 import javax.mail.Session;
11 import javax.mail.Transport;
12 import javax.mail.internet.InternetAddress;
13 import javax.mail.internet.MimeMessage;
14 
15 /**
16  * 邮件预警
17  *
18  * @author liuwenlong
19  * @create 2021-10-14 12:46:19
20  */
21 
22 @RestController
23 @RequestMapping("tools")
24 @SuppressWarnings("all")
25 public class Mail {
26 
27     @GetMapping("test")
28     public String PermitAll() {
29         return "Success";
30     }
31 
32     /**
33      * 发送邮件功能
34      *
35      * @param recipient 收件人
36      * @param Subject   主题
37      * @param content   内容
38      * @throws Exception
39 
40      */
41     @PostMapping(value = "SendMail", produces = "application/json;charset=UTF-8")
42     public Map<String, String> SendMail(@RequestBody JSONObject body) throws Exception {
43 
44         String recipient = body.getJSONObject("data").getString("recipient");
45         String Subject =  body.getJSONObject("data").getString("Subject");
46         String content =  body.getJSONObject("data").getString("content");
47 
48         Properties prop = new Properties();
49         prop.setProperty("mail.host", "smtp.163.com");
50         prop.setProperty("mail.transport.protocol", "smtp");
51         prop.setProperty("mail.smtp.auth", "true");
52         //使用JavaMail发送邮件的5个步骤
53         //1、创建session
54         Session session = Session.getInstance(prop);
55         //开启Session的debug模式，这样就可以查看到程序发送Email的运行状态
56         session.setDebug(true);
57         //2、通过session得到transport对象
58         Transport ts = session.getTransport();
59         //3、使用邮箱的用户名和密码连上邮件服务器，发送邮件时，发件人需要提交邮箱的用户名和密码给smtp服务器，用户名和密码都通过验证之后才能够正常发送邮件给收件人。
60         ts.connect("smtp.163.com", "×××××××××××@163.com", "×××××××××××");
61         //4、创建邮件
62         //创建邮件对象
63         MimeMessage message = new MimeMessage(session);
64         //指明邮件的发件人
65         message.setFrom(new InternetAddress("×××××××××××@163.com"));
66         //指明邮件的收件人
67         message.setRecipient(Message.RecipientType.TO, new InternetAddress(recipient));
68         //邮件的标题
69         message.setSubject(Subject);
70         //邮件的文本内容
71         message.setContent(content, "text/html;charset=UTF-8");
72 
73         //5、发送邮件
74         ts.sendMessage(message, message.getAllRecipients());
75         ts.close();
76 
77         Map<String, String> map = new LinkedHashMap<>();
78         map.put("sign", "0");
79         map.put("message", "成功");
80         return map;
81     }
82 
83 }

调用

 邮件接收