maven 打包报错

[INFO] Scanning for projects...
[INFO]
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[INFO] Building doctor-web-single 1.0.0
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[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ doctor-web-single ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 55 resources
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:2.3.1:compile (default-compile) @ doctor-web-single ---
[INFO] Compiling 19 source files to D:\work\work_zhicall_mobile_for_IV\mhospital-doctor\doctor-web-single\target\classes
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[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] Unable to locate the Javac Compiler in:
  C:\Program Files\Java\jre1.8.0_144\..\lib\tools.jar
Please ensure you are using JDK 1.4 or above and
not a JRE (the com.sun.tools.javac.Main class is required).
In most cases you can change the location of your Java
installation by setting the JAVA_HOME environment variable.
[INFO] 1error
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[INFO] BUILD FAILURE
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[INFO] Total time: 1.449 s
[INFO] Finished at: 2018-03-29T09:38:35+08:00
[INFO] Final Memory: 12M/307M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.1:compile (default-compile) on project doctor-web-single: Compilation failure
[ERROR] Unable to locate the Javac Compiler in:
[ERROR] C:\Program Files\Java\jre1.8.0_144\..\lib\tools.jar
[ERROR] Please ensure you are using JDK 1.4 or above and
[ERROR] not a JRE (the com.sun.tools.javac.Main class is required).
[ERROR] In most cases you can change the location of your Java
[ERROR] installation by setting the JAVA_HOME environment variable.
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

解决办法：