Python在函数之间共享变量,但在线程之间不共享

如果定义 ref global 不符合你的需要,那么你没有其他选择。。。

def threadedfunction():

    def getref():
        ref = "Hello, World!"
        return ref # Return the value of ref, so the rest of the world can know it

    def useref(ref):
        print(ref) # Print the parameter ref, whatever it is.

    ref = getref() # Put in variable ref whatever function getref() returns
    useref(ref) # Call function useref() with ref's value as parameter

threadedfunction()