1. 短信发送

注册阿里云SMS短信服务 并获取accesskey

坐标

<dependency>
  <groupId>com.aliyun</groupId>
  <artifactId>aliyun-java-sdk-core</artifactId>
  <version>4.5.16</version>
</dependency>

SDK 文档

https://help.aliyun.com/document_detail/112148.html