java环境 变量，python环境变量 Maven环境变量

先安装jdk，安装tomcat,再安装svn,最后安装IDEA

新建环境变量JAVA_HOME：

C:Program FilesJavajdk1.8.0_121

Path添加:

%JAVA_HOME%in

%JAVA_HOME%jrein

C:Program Files (x86)PythonPython38-32

C:Program Files (x86)PythonPython38-32Scripts

C:Program FilesJetBrainsIntelliJ IDEA 2019.1.2pluginsmavenlibmaven3in

报错 intellij idea can't use subversion command line svn

解决： 安装TortoiseSVN ,时一定要勾选command line client tools

idea 获取最新代码时 svn报 E170013 

svn: E170013: Commit failed (details follow): svn: E170013: Unable to connect 
to a repository at URL '' svn: E230001: Server SSL certificate verification failed: 
certificate issued for a different hostname

解决方法：

file-->settings...-->subversion--->Enable interactive mode 勾选上即可

再获取代码时，会弹出提示框，选Accept,再输入svn账号与密码即可