{"id":3216,"date":"2025-06-03T16:15:01","date_gmt":"2025-06-04T08:35:00","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3216"},"modified":"2025-06-04T16:15:01","modified_gmt":"2025-06-04T08:35:00","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84queue%e5%87%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84queue%e5%87%bd%e6%95%b8\/","title":{"rendered":"2025 \u6700\u65b0\u7248 Python Queue \u6a21\u7d44\u6df1\u5165\u6559\u5b78\uff1a\u638c\u63e1\u8cc7\u6599\u7d50\u69cb\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

Python \u4e2d\u7684 Queue \u6a21\u7d44\uff1a\u6df1\u5165\u6dfa\u51fa\u6559\u5b78<\/h1>\n

\u5728 Python \u4e2d\uff0cQueue \u6a21\u7d44\u662f\u4e00\u500b\u5f37\u5927\u4e14\u6613\u65bc\u4f7f\u7528\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u4e3b\u8981\u7528\u65bc\u7ba1\u7406\u548c\u5b58\u5132\u8cc7\u6599\u3002Queue \u6a21\u7d44\u63d0\u4f9b\u4e86\u5169\u7a2e\u57fa\u672c\u7684\u8cc7\u6599\u7d50\u69cb\uff1a\u5148\u9032\u5148\u51fa\uff08FIFO\uff09\u548c\u5f8c\u9032\u5148\u51fa\uff08LIFO\uff09\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u591a\u4efb\u52d9\u8655\u7406\u6216\u8cc7\u6599\u6d41\u8f49\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n

### \u4ec0\u9ebc\u662f FIFO \u8207 LIFO\uff1f<\/p>\n

– **FIFO\uff08\u5148\u9032\u5148\u51fa\uff09**\uff1a\u8cc7\u6599\u6309\u7167\u9032\u5165\u7684\u9806\u5e8f\u88ab\u8655\u7406\u3002\u9019\u610f\u5473\u8457\u6700\u65e9\u9032\u5165\u7684\u8cc7\u6599\u6700\u5148\u88ab\u53d6\u51fa\uff0c\u5e38\u7528\u65bc\u6392\u968a\u7cfb\u7d71\u3002
\n– **LIFO\uff08\u5f8c\u9032\u5148\u51fa\uff09**\uff1a\u8cc7\u6599\u6309\u7167\u6700\u5f8c\u9032\u5165\u7684\u9806\u5e8f\u88ab\u8655\u7406\u3002\u4e5f\u5c31\u662f\u8aaa\uff0c\u6700\u5f8c\u653e\u5165\u7684\u8cc7\u6599\u6703\u6700\u5148\u88ab\u53d6\u51fa\uff0c\u985e\u4f3c\u65bc\u5806\u758a\u7684\u884c\u70ba\u3002<\/p>\n

### \u5982\u4f55\u4f7f\u7528 Queue \u6a21\u7d44\uff1f<\/p>\n

Queue \u6a21\u7d44\u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u4e14\u76f4\u89c0\u7684 API\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u9032\u884c\u8cc7\u6599\u7684\u5b58\u53d6\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u4f7f\u7528\u6b65\u9a5f\uff1a<\/p>\n

#### \u5efa\u7acb Queue<\/p>\n

\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5c0e\u5165 queue \u6a21\u7d44\u4e26\u5efa\u7acb\u4e00\u500b Queue \u5be6\u4f8b\uff1a<\/p>\n

“`python
\nimport queue<\/p>\n

# \u5efa\u7acb\u4e00\u500b Queue
\nq = queue.Queue()
\n“`<\/p>\n

#### \u5c07\u8cc7\u6599\u653e\u5165 Queue<\/p>\n

\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 `put()` \u65b9\u6cd5\u5c07\u8cc7\u6599\u653e\u5165 Queue \u4e2d\uff1a<\/p>\n

“`python
\n# \u5c07\u8cc7\u6599\u653e\u5165 Queue \u4e2d
\nq.put(1)
\nq.put(2)
\nq.put(3)
\n“`<\/p>\n

#### \u5f9e Queue \u4e2d\u53d6\u51fa\u8cc7\u6599<\/p>\n

\u4f7f\u7528 `get()` \u65b9\u6cd5\u53ef\u4ee5\u5f9e Queue \u4e2d\u53d6\u51fa\u8cc7\u6599\uff0c\u53d6\u51fa\u7684\u8cc7\u6599\u662f\u6700\u65e9\u653e\u5165\u7684\uff1a<\/p>\n

“`python
\n# \u5f9e Queue \u4e2d\u53d6\u51fa\u8cc7\u6599
\ndata = q.get()
\nprint(data) # \u8f38\u51fa: 1
\n“`<\/p>\n

### \u8a2d\u5b9a\u6700\u5927\u5bb9\u91cf<\/p>\n

Queue \u6a21\u7d44\u5141\u8a31\u6211\u5011\u8a2d\u5b9a\u6700\u5927\u5bb9\u91cf\u4f86\u9650\u5236 Queue \u4e2d\u7684\u8cc7\u6599\u6578\u91cf\uff0c\u9019\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u4ee5\u9632\u6b62\u8a18\u61b6\u9ad4\u6ea2\u51fa\uff1a<\/p>\n

“`python
\n# \u5efa\u7acb\u4e00\u500b\u6700\u5927\u5bb9\u91cf\u70ba 3 \u7684 Queue
\nq = queue.Queue(maxsize=3)<\/p>\n

# \u5c07\u8cc7\u6599\u653e\u5165 Queue \u4e2d
\nq.put(1)
\nq.put(2)
\nq.put(3)<\/p>\n

# \u518d\u6b21\u5617\u8a66\u5c07\u8cc7\u6599\u653e\u5165 Queue \u4e2d
\n# \u6703\u62cb\u51fa\u4e00\u500b QueueFull \u7684\u4f8b\u5916
\ntry:
\n q.put(4)
\nexcept queue.Full:
\n print(“Queue is full, cannot add more items.”)
\n“`<\/p>\n

### \u932f\u8aa4\u6392\u9664\u8207\u6700\u4f73\u5be6\u8e10<\/p>\n

\u5728\u4f7f\u7528 Queue \u6a21\u7d44\u6642\uff0c\u958b\u767c\u8005\u61c9\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n

1. **Queue \u7684\u6700\u5927\u5bb9\u91cf**\uff1a\u78ba\u4fdd\u6839\u64da\u61c9\u7528\u9700\u6c42\u5408\u7406\u8a2d\u5b9a `maxsize`\uff0c\u907f\u514d\u56e0\u5bb9\u91cf\u4e0d\u8db3\u800c\u9020\u6210\u7684\u932f\u8aa4\u3002
\n2. **\u7570\u6b65\u8655\u7406**\uff1a\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u4f7f\u7528 Queue \u6642\uff0c\u6ce8\u610f\u7dda\u7a0b\u5b89\u5168\u554f\u984c\uff0cQueue \u6a21\u7d44\u5167\u90e8\u5df2\u7d93\u8655\u7406\u4e86\u9019\u4e9b\u554f\u984c\uff0c\u4f46\u4ecd\u9700\u5c0f\u5fc3\u64cd\u4f5c\u3002
\n3. **\u7570\u5e38\u8655\u7406**\uff1a\u5728\u5b58\u53d6\u8cc7\u6599\u6642\uff0c\u61c9\u4f7f\u7528\u7570\u5e38\u8655\u7406\u6a5f\u5236\u4f86\u6355\u6349\u53ef\u80fd\u7684\u932f\u8aa4\uff0c\u4f8b\u5982 `queue.Empty` \u548c `queue.Full`\u3002<\/p>\n

### \u5ef6\u4f38\u61c9\u7528<\/p>\n

Queue \u6a21\u7d44\u53ef\u5ee3\u6cdb\u61c9\u7528\u65bc\u591a\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n

– \u4efb\u52d9\u8abf\u5ea6\uff1a\u5728\u591a\u7dda\u7a0b\u6216\u591a\u9032\u7a0b\u4e2d\u5206\u767c\u4efb\u52d9\u3002
\n– \u8cc7\u6599\u6d41\u8655\u7406\uff1a\u7528\u65bc\u8655\u7406\u8cc7\u6599\u6d41\u7684\u7de9\u885d\u5340\u3002
\n– \u751f\u7522\u8005-\u6d88\u8cbb\u8005\u554f\u984c\uff1a\u4f7f\u7528 Queue \u4f86\u5be6\u73fe\u751f\u7522\u8005\u548c\u6d88\u8cbb\u8005\u6a21\u578b\u3002<\/p>\n

### \u7d50\u8ad6<\/p>\n

Queue \u6a21\u7d44\u662f Python \u4e2d\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5b83\u7c21\u5316\u4e86\u8cc7\u6599\u7ba1\u7406\u7684\u904e\u7a0b\uff0c\u4e26\u5728\u591a\u4efb\u52d9\u8655\u7406\u4e2d\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u652f\u6301\u3002\u7121\u8ad6\u662f\u8655\u7406\u7c21\u55ae\u7684\u8cc7\u6599\u6d41\u9084\u662f\u8907\u96dc\u7684\u591a\u7dda\u7a0b\u61c9\u7528\uff0cQueue \u6a21\u7d44\u90fd\u80fd\u52a9\u4f60\u4e00\u81c2\u4e4b\u529b\u3002<\/p>\n

\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3 Python \u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u5efa\u8b70\u53c3\u8003 [\u9019\u7bc7\u6559\u5b78](https:\/\/vocus.cc\/article\/5e1b1a2fad9b1c00182e5a33)\u3002<\/p>\n

### Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n

**Q1: Python \u4e2d\u7684 Queue \u6a21\u7d44\u6709\u4ec0\u9ebc\u4e3b\u8981\u7279\u9ede\uff1f**
\nA1: Queue \u6a21\u7d44\u63d0\u4f9b\u4e86\u5148\u9032\u5148\u51fa\uff08FIFO\uff09\u548c\u5f8c\u9032\u5148\u51fa\uff08LIFO\uff09\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u4e26\u4e14\u5177\u6709\u7dda\u7a0b\u5b89\u5168\u7684\u7279\u6027\uff0c\u9069\u5408\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u4f7f\u7528\u3002<\/p>\n

**Q2: \u5982\u4f55\u8655\u7406 Queue \u4e2d\u7684\u8cc7\u6599\u6ea2\u51fa\u554f\u984c\uff1f**
\nA2: \u53ef\u4ee5\u4f7f\u7528 `maxsize` \u53c3\u6578\u4f86\u9650\u5236 Queue \u7684\u6700\u5927\u5bb9\u91cf\uff0c\u4e26\u5728\u653e\u5165\u8cc7\u6599\u6642\u4f7f\u7528\u7570\u5e38\u8655\u7406\u4f86\u6355\u6349 `queue.Full` \u7570\u5e38\u3002<\/p>\n

**Q3: \u4ec0\u9ebc\u662f\u751f\u7522\u8005-\u6d88\u8cbb\u8005\u554f\u984c\uff1f**
\nA3: \u751f\u7522\u8005-\u6d88\u8cbb\u8005\u554f\u984c\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u591a\u4efb\u52d9\u8655\u7406\u6a21\u5f0f\uff0c\u5176\u4e2d\u751f\u7522\u8005\u8ca0\u8cac\u751f\u6210\u8cc7\u6599\u4e26\u5c07\u5176\u653e\u5165 Queue\uff0c\u6d88\u8cbb\u8005\u5247\u5f9e Queue \u4e2d\u53d6\u51fa\u8cc7\u6599\u9032\u884c\u8655\u7406\u3002
\n—<\/p>\n","protected":false},"excerpt":{"rendered":"

Queue()\u51fd\u6578\u662fPython\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u51fd\u6578\uff0c\u53ef\u4ee5\u7528\u65bc\u5efa\u7acb\u548c\u7ba1\u7406\u4f47\u5217\uff0c\u4e26\u63d0\u4f9b\u4e86\u4e00\u7a2e\u6709\u6548\u7684\u65b9\u6cd5\u4f86\u8655\u7406\u591a\u500b\u4efb\u52d9\u3002\u672c\u6587\u5c07\u4ecb\u7d39Queue()\u51fd\u6578\u7684\u57fa\u672c\u7528\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-3216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-PS","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=3216"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3216\/revisions"}],"predecessor-version":[{"id":3217,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3216\/revisions\/3217"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}