1. Install java, reference Essay: https: //www.cnblogs.com/zran/p/9728121.html
2. Download maven, green version, configure the environment variables yourself:
Download: http: //maven.apache.org/download.cgi
Environment variable configuration:
System variables increase: MAVEN_HOME path :( decompression)
Path increase:% MAVEN_HOME% \ bin
3. Verify
Input cmd: mvn -v i.e., the configuration as shown in FIG.