spring boot 引入fastjson，com.alibaba.fastjson不存在（Springboot-测试项目）

spring boot 引入fastjson，com.alibaba.fastjson不存在（Springboot-测试项目）

先解决最初的的包不找到问题，适用所有包找不到跟进。 

	<mirrors>
		<!-- mirror
		 | Specifies a repository mirror site to use instead of a given repository. The repository that
		 | this mirror serves has an ID that matches the mirrorOf element of this mirror. IDs are used
		 | for inheritance and direct lookup purposes, and must be unique across the set of mirrors.
		 |
		<mirror>
		  <id>mirrorId</id>
		  <mirrorOf>repositoryId</mirrorOf>
		  <name>Human Readable Name for this Mirror.</name>
		  <url>http://my.repository.com/repo/path</url>
		</mirror>
		-->
		<mirror>
		  <id>nexus-aliyun</id>
		  <name>Nexus aliyun</name>
		  <url>https://maven.aliyun.com/nexus/content/groups/public/</url>
		  <mirrorOf>central</mirrorOf>
		</mirror>
	</mirrors>