python知识点100篇系列（16）-python中如何获取线程的返回值

from threading import Thread

def foo(someting):
    return f'{someting} is result'

class returnValueThread(Thread):

    def __init__(self,someargs):
        ''''''
        Thread.__init__(self)
        self.someargs = someargs

    def run(self):
        ''''''
        self.result = foo(someting=self.someargs)

    def join(self):
        super().join()
        return self.result

mythread = returnValueThread('test')
mythread.start()
result = mythread.join()
print(result)

def futuresReturnValue():
    ''''''
    import concurrent.futures
    with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
        threads = []
        for i in range(10):  # 多个任务
            future = executor.submit(foo, f"agrs_{i}")
            threads.append(future)

        for future in concurrent.futures.as_completed(threads):  # 并发执行
            print(future.result())

futuresReturnValue()