{"id":960161,"date":"2024-12-27T03:47:13","date_gmt":"2024-12-26T19:47:13","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/960161.html"},"modified":"2024-12-27T03:47:16","modified_gmt":"2024-12-26T19:47:16","slug":"python%e5%a6%82%e4%bd%95%e8%b0%83%e7%94%a8%e7%bc%93%e5%ad%98%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/960161.html","title":{"rendered":"python\u5982\u4f55\u8c03\u7528\u7f13\u5b58\u6570\u636e"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25102750\/8afe3283-baa2-457a-8ab3-ec2a161575a1.webp\" alt=\"python\u5982\u4f55\u8c03\u7528\u7f13\u5b58\u6570\u636e\" \/><\/p>\n<p><p> <strong>Python\u8c03\u7528\u7f13\u5b58\u6570\u636e\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u6570\u636e\u7ed3\u6784\u3001\u7b2c\u4e09\u65b9\u5e93\u548c\u5185\u5b58\u6570\u636e\u5e93\u7b49\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5b57\u5178\u3001\u4f7f\u7528functools.lru_cache\u88c5\u9970\u5668\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u5982cachetools\u3001\u4f7f\u7528Redis\u5185\u5b58\u6570\u636e\u5e93\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5b57\u5178\u548cfunctools.lru_cache\u7684\u4f7f\u7528\uff0c\u5e2e\u52a9\u60a8\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u9009\u62e9\u5408\u9002\u7684\u7f13\u5b58\u7b56\u7565\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u7f13\u5b58\u6570\u636e\u7684\u8c03\u7528\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u7f13\u5b58\u662f\u4e00\u79cd\u5b58\u50a8\u673a\u5236\uff0c\u7528\u4e8e\u4e34\u65f6\u4fdd\u5b58\u6570\u636e\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u65f6\u5feb\u901f\u8bbf\u95ee\uff0c\u51cf\u5c11\u91cd\u590d\u8ba1\u7b97\u7684\u65f6\u95f4\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u5b57\u5178\u548cfunctools.lru_cache\u88c5\u9970\u5668\u8fd9\u4e24\u79cd\u5e38\u7528\u7684\u7f13\u5b58\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528\u5b57\u5178\u4f5c\u4e3a\u7f13\u5b58<\/p>\n<\/p>\n<p><p>\u5b57\u5178\u662fPython\u5185\u7f6e\u7684\u6570\u636e\u7ed3\u6784\uff0c\u63d0\u4f9b\u4e86\u5feb\u901f\u7684\u952e\u503c\u5bf9\u67e5\u627e\u529f\u80fd\uff0c\u56e0\u6b64\u53ef\u4ee5\u7528\u4f5c\u7b80\u5355\u7684\u7f13\u5b58\u673a\u5236\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u5b57\u5178\u7684\u57fa\u672c\u7528\u6cd5<\/strong><\/li>\n<\/ol>\n<p><p>\u5b57\u5178\u5728Python\u4e2d\u662f\u4e00\u4e2a\u975e\u5e38\u7075\u6d3b\u548c\u9ad8\u6548\u7684\u7f13\u5b58\u5de5\u5177\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b57\u5178\u6765\u7f13\u5b58\u6570\u636e\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u65f6\u5feb\u901f\u8bbf\u95ee\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u4e00\u4e2a\u51fd\u6570\u4e2d\u4f7f\u7528\u5b57\u5178\u6765\u7f13\u5b58\u8ba1\u7b97\u7ed3\u679c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def fibonacci(n, cache={}):<\/p>\n<p>    if n in cache:<\/p>\n<p>        return cache[n]<\/p>\n<p>    if n &lt; 2:<\/p>\n<p>        return n<\/p>\n<p>    result = fibonacci(n-1) + fibonacci(n-2)<\/p>\n<p>    cache[n] = result<\/p>\n<p>    return result<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>cache<\/code>\u662f\u4e00\u4e2a\u5b57\u5178\uff0c\u7528\u4e8e\u5b58\u50a8Fibonacci\u6570\u5217\u7684\u8ba1\u7b97\u7ed3\u679c\u3002\u6bcf\u6b21\u8ba1\u7b97\u4e4b\u524d\uff0c\u51fd\u6570\u4f1a\u5148\u68c0\u67e5<code>cache<\/code>\u4e2d\u662f\u5426\u5df2\u7ecf\u6709\u8be5\u7ed3\u679c\uff0c\u5982\u679c\u6709\u5219\u76f4\u63a5\u8fd4\u56de\uff0c\u907f\u514d\u91cd\u590d\u8ba1\u7b97\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u5b57\u5178\u7f13\u5b58\u7684\u4f18\u7f3a\u70b9<\/strong><\/li>\n<\/ol>\n<p><p>\u4f7f\u7528\u5b57\u5178\u8fdb\u884c\u7f13\u5b58\u7684\u4f18\u70b9\u662f\u5b9e\u73b0\u7b80\u5355\uff0c\u9002\u7528\u4e8e\u5c0f\u89c4\u6a21\u7684\u6570\u636e\u7f13\u5b58\u3002\u7f3a\u70b9\u662f\u9700\u8981\u624b\u52a8\u7ba1\u7406\u7f13\u5b58\u7684\u66f4\u65b0\u548c\u6e05\u7406\uff0c\u4e0d\u9002\u5408\u7f13\u5b58\u5927\u91cf\u6570\u636e\uff0c\u56e0\u4e3a\u5b57\u5178\u4f1a\u4e00\u76f4\u5360\u7528\u5185\u5b58\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528functools.lru_cache\u88c5\u9970\u5668<\/p>\n<\/p>\n<p><p>functools\u6a21\u5757\u4e2d\u7684lru_cache\u88c5\u9970\u5668\u662fPython\u5185\u7f6e\u7684\u7f13\u5b58\u673a\u5236\uff0c\u9002\u7528\u4e8e\u7f13\u5b58\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>lru_cache\u7684\u57fa\u672c\u7528\u6cd5<\/strong><\/li>\n<\/ol>\n<p><p>lru_cache\u88c5\u9970\u5668\u53ef\u4ee5\u81ea\u52a8\u7ba1\u7406\u7f13\u5b58\u7684\u5927\u5c0f\u548c\u6e05\u7406\u7b56\u7565\uff0c\u4f7f\u7528\u975e\u5e38\u65b9\u4fbf\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528lru_cache\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from functools import lru_cache<\/p>\n<p>@lru_cache(maxsize=32)<\/p>\n<p>def fibonacci(n):<\/p>\n<p>    if n &lt; 2:<\/p>\n<p>        return n<\/p>\n<p>    return fibonacci(n-1) + fibonacci(n-2)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>lru_cache<\/code>\u88c5\u9970\u5668\u5c06\u7f13\u5b58\u6700\u8fd132\u6b21\u8c03\u7528\u7684\u7ed3\u679c\u3002<code>maxsize<\/code>\u53c2\u6570\u6307\u5b9a\u4e86\u7f13\u5b58\u7684\u6700\u5927\u5bb9\u91cf\uff0c\u5f53\u7f13\u5b58\u6ee1\u65f6\uff0c\u6700\u4e45\u672a\u4f7f\u7528\u7684\u7f13\u5b58\u9879\u5c06\u88ab\u6e05\u7406\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>lru_cache\u7684\u4f18\u7f3a\u70b9<\/strong><\/li>\n<\/ol>\n<p><p>lru_cache\u7684\u4f18\u70b9\u662f\u81ea\u52a8\u7ba1\u7406\u7f13\u5b58\u7684\u5927\u5c0f\u548c\u6e05\u7406\uff0c\u4f7f\u7528\u7b80\u5355\uff0c\u4e0d\u9700\u8981\u624b\u52a8\u66f4\u65b0\u7f13\u5b58\u3002\u7f3a\u70b9\u662f\u53ea\u80fd\u7f13\u5b58\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u9002\u7528\u8303\u56f4\u6709\u9650\u3002\u5982\u679c\u7f13\u5b58\u7684\u6570\u636e\u9700\u8981\u9891\u7e41\u66f4\u65b0\uff0c\u6216\u8005\u9700\u8981\u7f13\u5b58\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u53ef\u80fd\u9700\u8981\u5176\u4ed6\u7684\u7f13\u5b58\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93cachetools<\/p>\n<\/p>\n<p><p>\u9664\u4e86\u5185\u7f6e\u7684\u7f13\u5b58\u673a\u5236\uff0cPython\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7b2c\u4e09\u65b9\u5e93\u7528\u4e8e\u7f13\u5b58\u6570\u636e\uff0c\u5176\u4e2dcachetools\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u5e93\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>cachetools\u7684\u57fa\u672c\u7528\u6cd5<\/strong><\/li>\n<\/ol>\n<p><p>cachetools\u63d0\u4f9b\u4e86\u591a\u79cd\u7f13\u5b58\u7b56\u7565\uff0c\u5305\u62ecLRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u3001LFU\uff08\u6700\u4e0d\u5e38\u7528\uff09\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528cachetools\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from cachetools import LRUCache<\/p>\n<p>cache = LRUCache(maxsize=32)<\/p>\n<p>def get_data(key):<\/p>\n<p>    if key in cache:<\/p>\n<p>        return cache[key]<\/p>\n<p>    result = expensive_calculation(key)<\/p>\n<p>    cache[key] = result<\/p>\n<p>    return result<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>LRUCache<\/code>\u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2aLRU\u7f13\u5b58\uff0c<code>maxsize<\/code>\u53c2\u6570\u6307\u5b9a\u4e86\u7f13\u5b58\u7684\u6700\u5927\u5bb9\u91cf\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>cachetools\u7684\u4f18\u7f3a\u70b9<\/strong><\/li>\n<\/ol>\n<p><p>cachetools\u7684\u4f18\u70b9\u662f\u652f\u6301\u591a\u79cd\u7f13\u5b58\u7b56\u7565\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u7f13\u5b58\u9700\u6c42\u3002\u7f3a\u70b9\u662f\u9700\u8981\u989d\u5916\u5b89\u88c5\u7b2c\u4e09\u65b9\u5e93\uff0c\u5e76\u4e14\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u4ee3\u7801\u6765\u7ba1\u7406\u7f13\u5b58\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u4f7f\u7528Redis\u5185\u5b58\u6570\u636e\u5e93<\/p>\n<\/p>\n<p><p>\u5bf9\u4e8e\u9700\u8981\u7f13\u5b58\u5927\u91cf\u6570\u636e\u6216\u8005\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0cRedis\u662f\u4e00\u4e2a\u6d41\u884c\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>Redis\u7684\u57fa\u672c\u7528\u6cd5<\/strong><\/li>\n<\/ol>\n<p><p>Redis\u662f\u4e00\u4e2a\u5185\u5b58\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u7528\u4f5c\u7f13\u5b58\u670d\u52a1\u5668\u3002\u4f7f\u7528Redis\u8fdb\u884c\u7f13\u5b58\u9700\u8981\u5b89\u88c5redis-py\u5e93\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import redis<\/p>\n<p>r = redis.Redis(host=&#39;localhost&#39;, port=6379, db=0)<\/p>\n<p>def get_data(key):<\/p>\n<p>    if r.exists(key):<\/p>\n<p>        return r.get(key)<\/p>\n<p>    result = expensive_calculation(key)<\/p>\n<p>    r.set(key, result)<\/p>\n<p>    return result<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Redis\u7684<code>get<\/code>\u548c<code>set<\/code>\u65b9\u6cd5\u6765\u7ba1\u7406\u7f13\u5b58\u6570\u636e\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>Redis\u7684\u4f18\u7f3a\u70b9<\/strong><\/li>\n<\/ol>\n<p><p>Redis\u7684\u4f18\u70b9\u662f\u652f\u6301\u5927\u89c4\u6a21\u6570\u636e\u7f13\u5b58\u548c\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u6027\u80fd\u9ad8\u6548\u3002\u7f3a\u70b9\u662f\u9700\u8981\u989d\u5916\u5b89\u88c5\u548c\u914d\u7f6eRedis\u670d\u52a1\u5668\uff0c\u5e76\u4e14\u53ef\u80fd\u5f15\u5165\u7f51\u7edc\u5ef6\u8fdf\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u7f13\u5b58\u7b56\u7565\u7684\u9009\u62e9<\/p>\n<\/p>\n<p><p>\u5728\u9009\u62e9\u7f13\u5b58\u7b56\u7565\u65f6\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u6570\u636e\u7279\u5f81\u8fdb\u884c\u6743\u8861\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9009\u62e9\u7f13\u5b58\u7b56\u7565\u7684\u5efa\u8bae\uff1a<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u6570\u636e\u89c4\u6a21\u5c0f\u4e14\u8bbf\u95ee\u9891\u7387\u9ad8<\/strong>\uff1a\u53ef\u4ee5\u4f7f\u7528\u5b57\u5178\u8fdb\u884c\u7f13\u5b58\uff0c\u7b80\u5355\u9ad8\u6548\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u51fd\u6570\u8c03\u7528\u7ed3\u679c\u9700\u8981\u7f13\u5b58<\/strong>\uff1a\u53ef\u4ee5\u4f7f\u7528lru_cache\u88c5\u9970\u5668\uff0c\u81ea\u52a8\u7ba1\u7406\u7f13\u5b58\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u9700\u8981\u81ea\u5b9a\u4e49\u7f13\u5b58\u7b56\u7565<\/strong>\uff1a\u53ef\u4ee5\u4f7f\u7528cachetools\u5e93\uff0c\u652f\u6301\u591a\u79cd\u7f13\u5b58\u7b56\u7565\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u9700\u8981\u7f13\u5b58\u5927\u91cf\u6570\u636e\u6216\u5206\u5e03\u5f0f\u7cfb\u7edf<\/strong>\uff1a\u53ef\u4ee5\u4f7f\u7528Redis\uff0c\u652f\u6301\u9ad8\u5e76\u53d1\u548c\u5927\u89c4\u6a21\u6570\u636e\u7f13\u5b58\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u516d\u3001\u7f13\u5b58\u7684\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n<p><p>\u5728\u4f7f\u7528\u7f13\u5b58\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u4e8b\u9879\uff1a<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u7f13\u5b58\u66f4\u65b0<\/strong>\uff1a\u5f53\u7f13\u5b58\u7684\u6570\u636e\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u9700\u8981\u53ca\u65f6\u66f4\u65b0\u7f13\u5b58\uff0c\u907f\u514d\u4f7f\u7528\u8fc7\u671f\u6570\u636e\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u7f13\u5b58\u6e05\u7406<\/strong>\uff1a\u7f13\u5b58\u7684\u6570\u636e\u53ef\u80fd\u4f1a\u5360\u7528\u5927\u91cf\u5185\u5b58\uff0c\u9700\u8981\u5b9a\u671f\u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u7f13\u5b58\u4e00\u81f4\u6027<\/strong>\uff1a\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u9700\u8981\u4fdd\u8bc1\u7f13\u5b58\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u907f\u514d\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u603b\u7ed3\u6765\u8bf4\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u7f13\u5b58\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u4ece\u5185\u7f6e\u7684\u5b57\u5178\u548clru_cache\u88c5\u9970\u5668\uff0c\u5230\u7b2c\u4e09\u65b9\u7684cachetools\u5e93\u548cRedis\u5185\u5b58\u6570\u636e\u5e93\u3002\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u7f13\u5b58\u7b56\u7565\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5728Python\u4e2d\uff0c\u5982\u4f55\u6709\u6548\u5730\u4f7f\u7528\u7f13\u5b58\u6765\u63d0\u9ad8\u6570\u636e\u5904\u7406\u901f\u5ea6\uff1f<\/strong><br \/>\u4f7f\u7528\u7f13\u5b58\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u901f\u5ea6\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u9891\u7e41\u8bbf\u95ee\u76f8\u540c\u6570\u636e\u7684\u60c5\u51b5\u4e0b\u3002Python\u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u7f13\u5b58\uff0c\u6bd4\u5982\u4f7f\u7528\u5185\u7f6e\u7684<code>functools.lru_cache<\/code>\u88c5\u9970\u5668\uff0c\u6216\u8005\u901a\u8fc7\u7b2c\u4e09\u65b9\u5e93\u5982<code>cachetools<\/code>\u548c<code>diskcache<\/code>\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5b58\u50a8\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u4ee5\u4fbf\u5728\u76f8\u540c\u7684\u8f93\u5165\u4e0b\u5feb\u901f\u83b7\u53d6\u7ed3\u679c\uff0c\u907f\u514d\u91cd\u590d\u8ba1\u7b97\u3002<\/p>\n<p><strong>\u5728\u4f7f\u7528\u7f13\u5b58\u65f6\uff0c\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u7f13\u5b58\u7b56\u7565\uff1f<\/strong><br \/>\u9009\u62e9\u7f13\u5b58\u7b56\u7565\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u6570\u636e\u7684\u4f7f\u7528\u9891\u7387\u548c\u66f4\u65b0\u9891\u7387\u3002\u5982\u679c\u6570\u636e\u7ecf\u5e38\u88ab\u8bbf\u95ee\u4f46\u4e0d\u5e38\u66f4\u65b0\uff0c\u53ef\u4ee5\u9009\u62e9\u957f\u65f6\u95f4\u5b58\u50a8\u7684\u7f13\u5b58\u3002\u53cd\u4e4b\uff0c\u5982\u679c\u6570\u636e\u66f4\u65b0\u9891\u7e41\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u77ed\u671f\u7f13\u5b58\u7b56\u7565\u3002LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u7b56\u7565\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u5185\u5b58\uff0c\u786e\u4fdd\u5e38\u7528\u6570\u636e\u4fdd\u6301\u5728\u7f13\u5b58\u4e2d\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u81ea\u5b9a\u4e49\u7684\u7f13\u5b58\u673a\u5236\uff1f<\/strong><br \/>\u5b9e\u73b0\u81ea\u5b9a\u4e49\u7f13\u5b58\u673a\u5236\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\u6765\u5b58\u50a8\u7f13\u5b58\u6570\u636e\uff0c\u5e76\u5728\u51fd\u6570\u8c03\u7528\u65f6\u68c0\u67e5\u8be5\u5b57\u5178\u662f\u5426\u5b58\u5728\u8bf7\u6c42\u7684\u6570\u636e\u3002\u5982\u679c\u5b58\u5728\u5219\u76f4\u63a5\u8fd4\u56de\u7f13\u5b58\u7ed3\u679c\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5219\u8fdb\u884c\u8ba1\u7b97\u5e76\u5b58\u5165\u7f13\u5b58\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-python\">cache = {}\n\ndef get_data(key):\n    if key in cache:\n        return cache[key]\n    else:\n        # \u5047\u8bbe\u8fd9\u662f\u4e00\u4e2a\u8ba1\u7b97\u8fc7\u7a0b\n        result = expensive_computation(key)\n        cache[key] = result\n        return result\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff0c\u7075\u6d3b\u6027\u9ad8\u4e14\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u8c03\u7528\u7f13\u5b58\u6570\u636e\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u6570\u636e\u7ed3\u6784\u3001\u7b2c\u4e09\u65b9\u5e93\u548c\u5185\u5b58\u6570\u636e\u5e93\u7b49\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5b57\u5178\u3001\u4f7f [&hellip;]","protected":false},"author":3,"featured_media":960165,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/960161"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=960161"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/960161\/revisions"}],"predecessor-version":[{"id":960166,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/960161\/revisions\/960166"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/960165"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=960161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=960161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=960161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}