单独 maven 命令行编译时，提示“No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?”
——发现之前没有正确设置 JAVA_HOME，之前设置了指向 jre目录，而没有指向jdk目录。改为指向jdk目录即可 :C:Program FilesJavajdk1.8.0_102
注：对于windows系统，设置环境变量后，命令行窗口重新启动变量才能起作用
参考：解决Maven错误No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? - 简书
