IDEA入门

刚开始用IDEA会有很多不习惯

项目报错：

 Project build error: Non-resolvable parent POM for com.ks:my-springboot1:0.0.1-SNAPSHOT: Failure to transfer

  org.springframework.boot:spring-boot-starter-parent:pom:2.0.2.RELEASE from https://repo.maven.apache.org/maven2 was cached in the local

  repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not

  transfer artifact org.springframework.boot:spring-boot-starter-parent:pom:2.0.2.RELEASE from/to central (https://repo.maven.apache.org/maven2):

  repo.maven.apache.org and 'parent.relativePath' points at no local POM

把所在jar删了，重新下载后，项目仍然显示这个错误。

解决方法：项目有改动之后，IDEA右下角会自动出现Import 的弹框:

IDEA入门

点击Import，重新加载编译，这样刚才改动的内容才能生效。

或者点击“Enable Auto-Import”使每次引用的jar包自动导入

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