springboot与任务（异步任务，定时任务，邮件任务）

喜欢ヅ旅行 2021-12-04 09:27 346阅读 0赞

# 异步任务 #

**两个注解即可**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzc2OTU2Ng_size_16_color_FFFFFF_t_70]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzc2OTU2Ng_size_16_color_FFFFFF_t_70 1]

## 定时任务 ##

**也是两个注解即可**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzc2OTU2Ng_size_16_color_FFFFFF_t_70 2]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzc2OTU2Ng_size_16_color_FFFFFF_t_70 3]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzc2OTU2Ng_size_16_color_FFFFFF_t_70 4]

## 邮件任务 ##

![在这里插入图片描述][20190718132905672.png]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzc2OTU2Ng_size_16_color_FFFFFF_t_70 5]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzc2OTU2Ng_size_16_color_FFFFFF_t_70 6]

#### 发送邮件 ####

直接注入自带的类发送即可  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzc2OTU2Ng_size_16_color_FFFFFF_t_70 7]  
发送一个复杂的邮件，带附件，链接

public void test02 throws Exception{
    	//1 创建一个复杂的消息邮件
    	MimeMessage mimeMessage = mainSender.createMimeMessage();
    	MimeMessageHelper helper = new mimeMessageHelper(mimeMessage,true);
    	
    	//邮件设置
    	helper.setSubject("通知，今晚开会");
    	helper.setText("<b style='color:red'>今天 7:30 开会</b>",true);	  //这里第二个参数true，是开启识别html代码片段
    
    	helper.setTo("99999999@163.com");
    	helper.setFrom("111111111@163.com");
    
    	//上传文件
    	helper.addAttachment("1.jpg",new file("c:\\a\\1.jpg"));
    	helper.addAttachment("2.jpg",new file("c:\\a\\2.jpg"))
    	
    	mainSender.send(mimeMessage);
    	}

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[20190718132905672.png]: /images/20211204/82b9435ed5f34f86be4c3eb58400b3c5.png
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