Python编程：threading多线程之ThreadLocal
发布时间：2021-11-23 点击数：375
一个ThreadLocal变量虽然是全局变量，但每个线程都只能读写自己线程的独立副本，互不干扰。ThreadLocal解决了参数在一个线程中各个函数之间互相传递的问题。
代码示例
# -*- coding: utf-8 -*- # @File : thread_local_demo.py # @Date : 2018-06-11 # @Author : Peng Shiyu import threading # 创建全局ThreadLocal对象 local_dict = threading.local() def process_item(): # 获取当前线程关联的name name = local_dict.name print("thread: %s name: %s"% (threading.current_thread().name, name)) def process_thread(name): # 绑定ThreadLocal的name local_dict.name = name process_item() t1 = threading.Thread(target=process_thread, args=("Tom",), name="Thread-Tom") t2 = threading.Thread(target=process_thread, args=("Jack",), name="Thread-Jack") t1.start() t2.start() t1.join() t2.join() """ thread: Thread-Tom name: Tom thread: Thread-Jack name: Jack """
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