可以直接拿来用

# Setting PATH for Python 3.5
# The orginal version is saved in .bash_profile.pysave
PYTHON_35_HOME=/Library/Frameworks/Python.framework/Versions/3.5
export PATH=$PATH:$PYTHON_35_HOME/bin

alias python=/Library/Frameworks/Python.framework/Versions/3.5/bin/python3.5
alias pythonsite=/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5

# Setting PATH for Python 3.4
# The orginal version is saved in .bash_profile.pysave
PYTHON_34_HOME=/Library/Frameworks/Python.framework/Versions/3.4
export PATH=$PATH:$PYTHON_34_HOME/bin

# mysql path
MYSQL_HOME=/usr/local/mysql
export PATH=$PATH:$MYSQL_HOME/bin
alias mysql=$MYSQL_HOME/bin/mysql
alias mysqladmin=$MYSQL_HOME/bin/mysqladmin

# MongoDB
MongoDB_HOME=/usr/local/src/mongodb/mongodb-osx-x86_64-3.4.7
export PATH=$PATH:$MongoDB_HOME/bin

#tomcat—solr
# 等号间要紧挨
#alias solrlogs=/usr/local/src/apache-tomcat-7.0.70/logs

 # maven所在的目录  
export M2_HOME=/Users/paycloud110/HomeData/Maven/apache-maven-3.3.9  
export MAVEN_HOME=/Users/paycloud110/HomeData/Maven/apache-maven-3.3.9
# maven bin所在的目录 将maven bin加到PATH变量中  
export PATH=$M2_HOME/bin:$MAVEN_HOME/bin:$PATH 

#system java_home > current local java_home setting
export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home
CLASS_PATH="$JAVA_HOME/lib"
export PATH=".$PATH:$JAVA_HOME/bin"

[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" # Load RVM into a shell session *as a function*

自己常用

# maven所在的目录  
export M2_HOME=/Volumes/NoNoOut/HomeData/Maven/apache-maven-3.9.1
# maven bin所在的目录 将maven bin加到PATH变量中  
export PATH=$PATH:$M2_HOME/bin 

#system java_home > current local java_home setting
JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk-11.0.15.jdk/Contents/Home
PATH=$JAVA_HOME/bin:$PATH:.
CLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar:.
export JAVA_HOME
export PATH
export CLASSPATH