1 maven项目,在Intellij 右侧 Maven projects - Lifecycle - clean , validate, compile, ….,右击clean,选中Run ‘project[clean]’,这里的project是我们的项目实际的名字. 2 Maven projects - Lifecycle - install,右键 Run ‘project[install]’ 3 找到Maven projects,点击“Reimport All Maven Project…