Assert校验
cloud.tencent.com/developer/a…
Validation
添加依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
条件注解-@conditional
写在spring @bean注解方法上，能控制bean注入的条件 写在spring @Configuration,能控制类中所有bean的注入条件
