python开头的coding设置方法

缘起: [root@CentOS7 code]# python multi_thread_mfw.py File multi_thread_mfw.py, line 138 SyntaxError: Non-ASCII character '\xe5' in file multi_thread_mfw.py on line 138, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details 写完python代码运行时,报类似SyntaxError: Non-ASCII chara