python线程池等待全部任务结束再继续
import json import time from concurrent.futures import ThreadPoolExecutor, wait, ALL_COMPLETED import requests from Db import Db db = Db() url = "" max_workers = 30 executor = ThreadPoolExecutor(max_workers=max_workers) tasklist = [] def send(openiddic): openid = openiddic[0] data = [] for d in data: task = executor.submit(send, ([d["wxopenid"]])) tasklist.append(task) if (len(tasklist) > max_workers): wait(tasklist, return_when=ALL_COMPLETED) tasklist.clear() print(d["wxopenid"]) wait(tasklist, return_when=ALL_COMPLETED) print("succ")