import threading<\/p>\ncondition = threading.Condition()<\/p>\n
shared_data = []<\/p>\n
def producer():<\/p>\n
with condition:<\/p>\n
shared_data.append(1)<\/p>\n
condition.notify()<\/p>\n
def consumer():<\/p>\n
with condition:<\/p>\n
while not shared_data:<\/p>\n
condition.wait()<\/p>\n
data = shared_data.pop()<\/p>\n
print(f"Consumed data: {data}")<\/p>\n
producer_thread = threading.Thread(target=producer)<\/p>\n
consumer_thread = threading.Thread(target=consumer)<\/p>\n
consumer_thread.start()<\/p>\n
producer_thread.start()<\/p>\n
producer_thread.join()<\/p>\n
consumer_thread.join()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u6761\u4ef6\u53d8\u91cfcondition<\/code>\uff0c\u5e76\u4f7f\u7528\u5b83\u5728\u751f\u4ea7\u8005\u7ebf\u7a0b\u548c\u6d88\u8d39\u8005\u7ebf\u7a0b\u4e4b\u95f4\u8fdb\u884c\u534f\u8c03\u3002\u751f\u4ea7\u8005\u7ebf\u7a0b\u5728\u5411shared_data<\/code>\u4e2d\u6dfb\u52a0\u6570\u636e\u540e\u8c03\u7528condition.notify()<\/code>\u65b9\u6cd5\uff0c\u901a\u77e5\u7b49\u5f85\u7684\u6d88\u8d39\u8005\u7ebf\u7a0b\u3002\u6d88\u8d39\u8005\u7ebf\u7a0b\u5728shared_data<\/code>\u4e3a\u7a7a\u65f6\u8c03\u7528condition.wait()<\/code>\u65b9\u6cd5\uff0c\u7b49\u5f85\u751f\u4ea7\u8005\u7ebf\u7a0b\u7684\u901a\u77e5\u3002<\/p>\n<\/p>\n
\n\u4e03\u3001\u7ebf\u7a0b\u7684\u8c03\u5ea6\u548c\u4f18\u5148\u7ea7<\/h2>\n<\/p>\n
1\u3001\u7ebf\u7a0b\u7684\u8c03\u5ea6<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u7ebf\u7a0b\u7684\u8c03\u5ea6\u7531\u64cd\u4f5c\u7cfb\u7edf\u8d1f\u8d23\uff0cPython\u89e3\u91ca\u5668\u4e0d\u80fd\u76f4\u63a5\u63a7\u5236\u7ebf\u7a0b\u7684\u8c03\u5ea6\u987a\u5e8f\u3002\u7136\u800c\uff0c\u53ef\u4ee5\u901a\u8fc7\u5408\u7406\u5730\u8bbe\u8ba1\u7ebf\u7a0b\u7684\u6267\u884c\u903b\u8f91\uff0c\u6765\u5f71\u54cd\u7ebf\u7a0b\u7684\u6267\u884c\u987a\u5e8f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528threading.Condition<\/code>\u548cthreading.Event<\/code>\u7b49\u540c\u6b65\u673a\u5236\uff0c\u6765\u534f\u8c03\u7ebf\u7a0b\u4e4b\u95f4\u7684\u6267\u884c\u987a\u5e8f\u3002<\/p>\n<\/p>\nimport threading<\/p>\ndef worker1(event):<\/p>\n
print("Worker 1 is waiting for event")<\/p>\n
event.wait()<\/p>\n
print("Worker 1 is running")<\/p>\n
def worker2(event):<\/p>\n
print("Worker 2 is setting event")<\/p>\n
event.set()<\/p>\n
event = threading.Event()<\/p>\n
thread1 = threading.Thread(target=worker1, args=(event,))<\/p>\n
thread2 = threading.Thread(target=worker2, args=(event,))<\/p>\n
thread1.start()<\/p>\n
thread2.start()<\/p>\n
thread1.join()<\/p>\n
thread2.join()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cworker1<\/code>\u7ebf\u7a0b\u4f1a\u5728event<\/code>\u88ab\u8bbe\u7f6e\u4e4b\u524d\u4e00\u76f4\u7b49\u5f85\uff0c\u800cworker2<\/code>\u7ebf\u7a0b\u4f1a\u5728\u542f\u52a8\u540e\u7acb\u5373\u8bbe\u7f6eevent<\/code>\uff0c\u4ece\u800c\u901a\u77e5worker1<\/code>\u7ebf\u7a0b\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<\/p>\n2\u3001\u7ebf\u7a0b\u7684\u4f18\u5148\u7ea7<\/h3>\n<\/p>\n
Python\u6807\u51c6\u5e93\u4e2d\u6ca1\u6709\u76f4\u63a5\u63d0\u4f9b\u8bbe\u7f6e\u7ebf\u7a0b\u4f18\u5148\u7ea7\u7684\u529f\u80fd\u3002\u7136\u800c\uff0c\u53ef\u4ee5\u901a\u8fc7\u5408\u7406\u5730\u8bbe\u8ba1\u7ebf\u7a0b\u7684\u6267\u884c\u903b\u8f91\uff0c\u6765\u95f4\u63a5\u5b9e\u73b0\u7ebf\u7a0b\u4f18\u5148\u7ea7\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528time.sleep()<\/code>\u51fd\u6570\u6765\u63a7\u5236\u7ebf\u7a0b\u7684\u6267\u884c\u9891\u7387\uff0c\u6216\u8005\u4f7f\u7528\u961f\u5217\u6765\u7ba1\u7406\u4efb\u52a1\u7684\u4f18\u5148\u7ea7\u3002<\/p>\n<\/p>\nimport threading<\/p>\nimport time<\/p>\n
import queue<\/p>\n
task_queue = queue.PriorityQueue()<\/p>\n
def worker():<\/p>\n
while not task_queue.empty():<\/p>\n
priority, task = task_queue.get()<\/p>\n
print(f"Executing task with priority {priority}")<\/p>\n
task()<\/p>\n
task_queue.task_done()<\/p>\n
def high_priority_task():<\/p>\n
print("High priority task is running")<\/p>\n
def low_priority_task():<\/p>\n
print("Low priority task is running")<\/p>\n
task_queue.put((1, low_priority_task))<\/p>\n
task_queue.put((0, high_priority_task))<\/p>\n
thread = threading.Thread(target=worker)<\/p>\n
thread.start()<\/p>\n
task_queue.join()<\/p>\n
thread.join()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528queue.PriorityQueue<\/code>\u6765\u7ba1\u7406\u4efb\u52a1\u7684\u4f18\u5148\u7ea7\uff0c\u5e76\u5728worker<\/code>\u7ebf\u7a0b\u4e2d\u6309\u4f18\u5148\u7ea7\u987a\u5e8f\u6267\u884c\u4efb\u52a1\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u95f4\u63a5\u5b9e\u73b0\u7ebf\u7a0b\u7684\u4f18\u5148\u7ea7\u63a7\u5236\u3002<\/p>\n<\/p>\n
\n\u516b\u3001\u7ebf\u7a0b\u7684\u751f\u547d\u5468\u671f\u7ba1\u7406<\/h2>\n<\/p>\n
1\u3001\u7ebf\u7a0b\u7684\u521b\u5efa\u548c\u9500\u6bc1<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efathreading.Thread<\/code>\u5bf9\u8c61\u5e76\u8c03\u7528\u5b83\u7684start()<\/code>\u65b9\u6cd5\u6765\u542f\u52a8\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u3002\u5728\u7ebf\u7a0b\u7684\u751f\u547d\u5468\u671f\u7ed3\u675f\u65f6\uff0c\u53ef\u4ee5\u8c03\u7528thread.join()<\/code>\u65b9\u6cd5\uff0c\u7b49\u5f85\u7ebf\u7a0b\u5b8c\u6210\u6267\u884c\u5e76\u9500\u6bc1\u3002<\/p>\n<\/p>\nimport threading<\/p>\nimport time<\/p>\n
def worker():<\/p>\n
print("Thread is running")<\/p>\n
time.sleep(2)<\/p>\n
print("Thread is stopping")<\/p>\n
thread = threading.Thread(target=worker)<\/p>\n
thread.start()<\/p>\n
thread.join()<\/p>\n
print("Thread has been stopped")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2athread<\/code>\u5bf9\u8c61\uff0c\u5e76\u8c03\u7528\u5b83\u7684start()<\/code>\u65b9\u6cd5\u542f\u52a8\u7ebf\u7a0b\u3002\u4e3b\u7ebf\u7a0b\u901a\u8fc7\u8c03\u7528thread.join()<\/code>\u65b9\u6cd5\u7b49\u5f85\u5b50\u7ebf\u7a0b\u5b8c\u6210\u6267\u884c\u5e76\u9500\u6bc1\u3002<\/p>\n<\/p>\n2\u3001\u7ebf\u7a0b\u7684\u72b6\u6001\u76d1\u63a7<\/h3>\n<\/p>\n
\u53ef\u4ee5\u901a\u8fc7threading.Thread<\/code>\u5bf9\u8c61\u7684is_alive()<\/code>\u65b9\u6cd5\u6765\u68c0\u67e5\u7ebf\u7a0b\u7684\u72b6\u6001\uff0c\u5224\u65ad\u7ebf\u7a0b\u662f\u5426\u4ecd\u5728\u8fd0\u884c\u3002<\/p>\n<\/p>\nimport threading<\/p>\nimport time<\/p>\n
def worker():<\/p>\n
print("Thread is running")<\/p>\n
time.sleep(2)<\/p>\n
print("Thread is stopping")<\/p>\n
thread = threading.Thread(target=worker)<\/p>\n
thread.start()<\/p>\n
while thread.is_alive():<\/p>\n
print("Waiting for thread to finish")<\/p>\n
time.sleep(0.5)<\/p>\n
print("Thread has been stopped")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528thread.is_alive()<\/code>\u65b9\u6cd5\u5728\u5faa\u73af\u4e2d\u68c0\u67e5\u7ebf\u7a0b\u7684\u72b6\u6001\uff0c\u5e76\u5728\u5b50\u7ebf\u7a0b\u7ed3\u675f\u540e\u6253\u5370\u201cThread has been stopped\u201d\u3002<\/p>\n<\/p>\n
\n\u4e5d\u3001\u7ebf\u7a0b\u7684\u5f02\u5e38\u5904\u7406<\/h2>\n<\/p>\n
1\u3001\u6355\u83b7\u7ebf\u7a0b\u4e2d\u7684\u5f02\u5e38<\/h3>\n<\/p>\n
\u5728\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u4e2d\uff0c\u6355\u83b7\u548c\u5904\u7406\u7ebf\u7a0b\u4e2d\u7684\u5f02\u5e38\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u5728\u7ebf\u7a0b\u51fd\u6570\u4e2d\u4f7f\u7528try<\/code>\u548cexcept<\/code>\u8bed\u53e5\u6765\u6355\u83b7\u5f02\u5e38\uff0c\u5e76\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u83b7\u53d6\u5f02\u5e38\u4fe1\u606f\u3002<\/p>\n<\/p>\nimport threading<\/p>\ndef worker():<\/p>\n
try:<\/p>\n
raise ValueError("An error occurred in the thread")<\/p>\n
except Exception as e:<\/p>\n
print(f"Exception caught in thread: {e}")<\/p>\n
thread = threading.Thread(target=worker)<\/p>\n
thread.start()<\/p>\n
thread.join()<\/p>\n
print("Thread has been stopped")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5728worker<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528try<\/code>\u548cexcept<\/code>\u8bed\u53e5\u6355\u83b7\u5f02\u5e38\uff0c\u5e76\u5728\u5b50\u7ebf\u7a0b\u4e2d\u6253\u5370\u5f02\u5e38\u4fe1\u606f\u3002<\/p>\n<\/p>\n2\u3001\u7ebf\u7a0b\u5f02\u5e38\u7684\u4f20\u9012<\/h3>\n<\/p>\n
\u5728\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u4e2d\uff0c\u4e3b\u7ebf\u7a0b\u53ef\u80fd\u9700\u8981\u6355\u83b7\u548c\u5904\u7406\u5b50\u7ebf\u7a0b\u4e2d\u7684\u5f02\u5e38\u3002\u7136\u800c\uff0cPython\u6807\u51c6\u5e93\u4e2d\u6ca1\u6709\u76f4\u63a5\u63d0\u4f9b\u5c06\u5f02\u5e38\u4ece\u5b50\u7ebf\u7a0b\u4f20\u9012\u5230\u4e3b\u7ebf\u7a0b\u7684\u529f\u80fd\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u961f\u5217\u6216\u4e8b\u4ef6\u5bf9\u8c61\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n<\/p>\n
import threading<\/p>\nimport queue<\/p>\n
def worker(exception_queue):<\/p>\n
try:<\/p>\n
raise ValueError("An error occurred in the thread")<\/p>\n
except Exception as e:<\/p>\n
exception_queue.put(e)<\/p>\n
exception_queue = queue.Queue()<\/p>\n
thread = threading.Thread(target=worker, args=(exception_queue,))<\/p>\n
thread.start()<\/p>\n
thread.join()<\/p>\n
if not exception_queue.empty():<\/p>\n
exception = exception_queue.get()<\/p>\n
print(f"Exception caught in main thread: {exception}")<\/p>\n
print("Thread has been stopped")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528queue.Queue<\/code>\u5bf9\u8c61\u5728\u5b50\u7ebf\u7a0b\u548c\u4e3b\u7ebf\u7a0b\u4e4b\u95f4\u4f20\u9012\u5f02\u5e38\u4fe1\u606f\uff0c\u5e76\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u6355\u83b7\u548c\u5904\u7406\u5f02\u5e38\u3002<\/p>\n<\/p>\n
\n\u5341\u3001\u7ebf\u7a0b\u7684\u6027\u80fd\u4f18\u5316<\/h2>\n<\/p>\n
1\u3001\u51cf\u5c11\u7ebf\u7a0b\u7684\u521b\u5efa\u548c\u9500\u6bc1\u5f00\u9500<\/h3>\n<\/p>\n
\u521b\u5efa\u548c\u9500\u6bc1\u7ebf\u7a0b\u7684\u5f00\u9500\u8f83\u5927\uff0c\u53ef\u4ee5\u901a\u8fc7\u91cd\u7528\u7ebf\u7a0b\u6765\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u7ebf\u7a0b\u6c60\u6765\u7ba1\u7406\u548c\u91cd\u7528\u7ebf\u7a0b\uff0c\u907f\u514d\u9891\u7e41\u521b\u5efa\u548c\u9500\u6bc1\u7ebf\u7a0b\u7684\u5f00\u9500\u3002<\/p>\n<\/p>\n
import concurrent.futures<\/p>\nimport time<\/p>\n
def worker(task_id):<\/p>\n
print(f"Task {task_id} is running")<\/p>\n
time.sleep(2)<\/p>\n
print(f"Task {task_id} is completed")<\/p>\n
with concurrent.futures.ThreadPoolExecutor(max_workers=3) as executor:<\/p>\n
future_tasks = [executor.submit(worker, i) for i in range(5)]<\/p>\n
for future in concurrent.futures.as_completed(future_tasks):<\/p>\n
future.result()<\/p>\n
print("All tasks are completed<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n \u5982\u4f55\u5b89\u5168\u5730\u505c\u6b62\u4e00\u4e2aPython\u7ebf\u7a0b\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u76f4\u63a5\u5173\u95ed\u7ebf\u7a0b\u5e76\u4e0d\u662f\u4e00\u79cd\u5b89\u5168\u7684\u505a\u6cd5\u3002\u5efa\u8bae\u4f7f\u7528\u4e00\u4e2a\u6807\u5fd7\u4f4d\u6765\u901a\u77e5\u7ebf\u7a0b\u4f55\u65f6\u505c\u6b62\u3002\u4f60\u53ef\u4ee5\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u8bbe\u7f6e\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf\uff0c\u8ba9\u5de5\u4f5c\u7ebf\u7a0b\u5728\u9002\u5f53\u7684\u65f6\u5019\u68c0\u67e5\u8fd9\u4e2a\u53d8\u91cf\u7684\u72b6\u6001\uff0c\u4ece\u800c\u4f18\u96c5\u5730\u9000\u51fa\u3002<\/p>\n\u7ebf\u7a0b\u7ed3\u675f\u540e\uff0c\u8d44\u6e90\u4f1a\u81ea\u52a8\u91ca\u653e\u5417\uff1f<\/strong>
\u5f53\u7ebf\u7a0b\u7ed3\u675f\u65f6\uff0cPython\u4f1a\u81ea\u52a8\u6e05\u7406\u4e0e\u8be5\u7ebf\u7a0b\u76f8\u5173\u7684\u8d44\u6e90\u3002\u4f46\u662f\uff0c\u5982\u679c\u7ebf\u7a0b\u4e2d\u4f7f\u7528\u4e86\u5916\u90e8\u8d44\u6e90\uff08\u5982\u6587\u4ef6\u3001\u7f51\u7edc\u8fde\u63a5\u7b49\uff09\uff0c\u5efa\u8bae\u5728\u7ebf\u7a0b\u7ed3\u675f\u524d\u663e\u5f0f\u5173\u95ed\u8fd9\u4e9b\u8d44\u6e90\uff0c\u4ee5\u9632\u6b62\u8d44\u6e90\u6cc4\u9732\u6216\u5176\u4ed6\u6f5c\u5728\u95ee\u9898\u3002<\/p>\n\u5982\u4f55\u5904\u7406Python\u7ebf\u7a0b\u4e2d\u7684\u5f02\u5e38\uff1f<\/strong>
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