108 lines
2.3 KiB
Python
108 lines
2.3 KiB
Python
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import threading
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from queue import Queue #Thread 無法回傳值，所以要使用 Queue.put() 將要傳回的值存入 Queue，再用 Queue.get() 取出
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import time
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import os
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# ----------------------------------------範例1------------------------------
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# A報數
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def A_Count_off():
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for i in range(0,5):
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print(f'A : {i}')
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time.sleep(0.5)
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# B報數
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def B_Count_off():
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for i in range(5,10):
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print(f'B : {i}')
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time.sleep(0.5)
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thread_list=[A_Count_off,B_Count_off]
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thread_num =[]
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# for i in range(0,len(thread_list)):
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# thread_num.append(threading.Thread(target=thread_list[i]))
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#
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# for i in range(0,len(thread_num)):
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# thread_num[i].start()
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# # thread_num[i].join()
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#
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# for i in range(0,len(thread_num)):
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# thread_num[i].join()
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# ----------------------------------------範例2------------------------------
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def Count_off(code_name):
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print('process {} '.format(os.getpid()))
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print('thread {} '.format(threading.current_thread().name))
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for i in range(0,5):
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print(f'{code_name} : {i}')
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time.sleep(0.5)
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thread_name_list=["A","B","C","D"]
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thread_list=[]
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# for i in range(0,len(thread_name_list)):
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# thread_list.append(threading.Thread(target=Count_off,args=thread_name_list[i]))
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# for i in range(0,len(thread_list)):
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# thread_list[i].start()
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# for i in range(0,len(thread_list)):
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# thread_list[i].join()
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# ----------------------------------------範例3------------------------------
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class Thread_class(threading.Thread):
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def __init__(self,code_name):
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threading.Thread.__init__(self)
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self.code_name = code_name
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def run(self):
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print('process {} '.format(os.getpid())) # 查看進程
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print('thread {} '.format(threading.current_thread().name)) # 查看線程
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for i in range(0,5):
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print(f'{self.code_name} : {i}')
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time.sleep(0.5)
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def test_return(self):
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return(f'{self.code_name}=END')
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thread_name_list=["A","B","C","D"]
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thread_list=[]
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for i in range(0,len(thread_name_list)):
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thread_list.append(Thread_class(thread_name_list[i]))
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for i in range(0,len(thread_list)):
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thread_list[i].start()
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for i in range(0,len(thread_list)):
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thread_list[i].join()
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for i in range(0,len(thread_list)):
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print(thread_list[i].test_return())
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