新增get_git_username功能

工具v3/database_tools_2.py

@@ -22,6 +22,12 @@ BuildFullScheme = {
             }
         }
 
+def get_git_username():
+    command = "git config --global user.name"
+    stream = os.popen(command)
+    username = stream.read().strip()
+    return username
+
 def connect(hostname,port,username,pwd,db):
     mydb = mysql.connector.connect(host = hostname, port = port, user = username, password = pwd, database = db)
     return mydb