Python多线程编程简介

创建线程

格式如下

threading.Thread(group=None, target=None, name=None, args=(), kwargs={})

这个构造器必须用关键字传参调用
- group 线程组
- target 执行方法
- name 线程名字
- args target执行的元组参数
- kwargs target执行的字典参数

Thread对象函数

常用示例

• 格式

import threading

def run(*arg, **karg):
    pass
thread = threading.Thread(target = run, name = "default", args = (), kwargs = {})
thread.start()

• 实例

#!/usr/bin/python
#coding=utf-8

import threading
from time import ctime,sleep

def sing(*arg):
    print "sing start: ", arg
    sleep(1)
    print "sing stop"


def dance(*arg):
    print "dance start: ", arg
    sleep(1)
    print "dance stop"

threads = []

#创建线程对象
t1 = threading.Thread(target = sing, name = ‘singThread‘, args = (‘raise me up‘,))
threads.append(t1)

t2 = threading.Thread(target = dance, name = ‘danceThread‘, args = (‘Rup‘,))
threads.append(t2)

#开始线程
t1.start()
t2.start()

#等待线程结束
for t in threads:
    t.join()

print "game over"

输出

sing start:  (‘raise me up‘,)
dance start:  (‘Rup‘,)
sing stop
dance stop
game over