背景：
boss想做一个数据库定时查询，如果查询出异常结果就将异常信息都发送到指定邮箱中，于是用到了javaMail，下面就是利用springboot整合javaMail实现该需求。（为了能让大家更快的完成javaMail的集成，后续的集成步骤中有关db操作均跳过）
相关源码下载
集成步骤：
1 设置邮箱smtp服务器，并记录开启服务的授权密码，此部分操作不做赘述，大家可以参考开启邮箱的smtp服务器（以163邮箱为例）进行操作
2 新建springboot项目，添加web、thymeleaf、javaMail依赖
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.dhcc</groupId>
<artifactId>mail_demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>mail_demo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.10.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!--Thymeleaf-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!--javaMail-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
- 3 项目配置
在application.properties中进行如下配置
server.port=9888
#javaMail配置（下面的 spring.mail.host 为发送邮箱的邮箱服务器）
spring.mail.host=smtp.163.com
spring.mail.username=xxx@163.com
spring.mail.password=password
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.starttls.required=true
ps：上面提到的spring.mail.host为发送邮箱的邮箱服务器
- 4 编写发送邮件的工具类SendMail
public class SendMail {
//发送普通文本格式邮件
public static void sendTextMail(MimeMessage message,String username,String recipient,String subject,List<String> content){
try {
MimeMessageHelper helper = new MimeMessageHelper(message, true);
helper.setFrom(username);
helper.setTo(recipient);
helper.setSubject(subject);
StringBuffer sb = new StringBuffer();
sb.append(content);
helper.setText(sb.toString());
} catch (MessagingException e) {
e.printStackTrace();
}
}
//发送html格式邮件
public void sendHtmlMail(MimeMessage message,String username,String recipient, String subject, String content) {
try {
//true表示需要创建一个multipart message
MimeMessageHelper helper = new MimeMessageHelper(message, true);
helper.setFrom(username);
helper.setTo(recipient);
helper.setSubject(subject);
helper.setText(content, true);
System.out.println("html格式邮件发送中...");
} catch (MessagingException e) {
System.out.println("html格式邮件发送失败！");
}
}
}
}
- 5 编写service层，调用发送邮件方法
public interface MailService {
/**
* @Author: hobbes
* @Description: 获得错误领导项目，并发送提示邮件
* @Date: 创建于 11:53 2018/2/12 0012
* @Param:
* @return
*/
String checkProject();
}
@Service
public class MailServiceImpl implements MailService {
@Autowired
private JavaMailSender javaMailSender;
@Override
public String checkProject(){
try {
SendMail sendMail = new SendMail();
MimeMessage message = javaMailSender.createMimeMessage();
String content = "<html><head><style>td{border:solid #add9c0; border-width:0px 1px 1px 0px; padding:10px 0px;} table{border:solid #add9c0; border-width:1px 0px 0px 1px;}</style></head><body style=''><h3>截止 " + format.format(new Date()) + " 业绩核算系统中错误领导项目，项目信息如下：</h3>" +
"<table><tr><th>合同号</th><th>项目名称</th><th>客户名称</th><th>合同总金额(元)</th><th>合同实收款(元)</th><th>签订日期</th><th>项目所属领导</th><th>提交人</th></tr>" +
"<tr><td>1</td><td>1</td><td>1</td><td>1</td><td>1</td><td>1</td><td>1</td><td>1</td></tr>" +
"</table></body></html>";
sendMail.sendHtmlMail(message, "邮件发送者邮箱", "邮件接收者邮箱", "邮件标题", content);
javaMailSender.send(message);
}catch(Exception e){
//跳转至邮件发送失败页面
return "CheckError";
}
//跳转至邮件发送成功页面
return "CheckSuccess";
}
}
ps：此处只给出了调用发送html格式邮件的方法，普通文本格式邮件的调用更简单，可以对照着写
- 6 controller层调用发送邮件的service
@Controller
@RequestMapping("/mail")
public class MailController {
@Autowired
private JavaMailSender javaMailSender;
@Autowired
private MailService mailService;
@RequestMapping("/checkProject")
public String checkProject(){
return mailService.checkProject();
}
}
-
7 启动项目，访问localhost:9888/mail/checkProject
运行成功.png
总结：
springboot和javaMail的集成很简单，主要就是获得发送者邮箱的smtp服务器地址和授权密码，做配置之后，调用自己手动封装好的发送邮件方法即可。
