python thread 并发且顺序运行示例

#-*- coding:utf-8 -*-
import threading
import time
def fun(name, ls_name, front_thread = None):
'''''
线程启动函数
通过front_thread来使用线程有序的运行
'''
time.clock()
time.sleep(2)
# 如果front_thread存在，则在front_thread运行完成后，才运行当前线程
if front_thread != None:
front_thread.join()
ls_name.append(name)
print "thread %s : %s"% (name, time.clock())

if __name__ == '__main__':
ls_result_name = []
ls_thread = []
time.clock()
# 逐一启动1000个线程
for i in range(0,10):
if len(ls_thread) == 0:
t = threading.Thread(target=fun, args=(i,ls_result_name,None))
else:
t = threading.Thread(target=fun, args=(i,ls_result_name,ls_thread[-1]))
t.start()
ls_thread.append(t)

# 等待所有线程结束
for t in ls_thread:
t.join()

print 'ls_result_name:', ls_result_name
print "main thread:%s" % time.clock()