{"id":161073,"date":"2024-11-04T03:23:25","date_gmt":"2024-11-03T19:23:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161073\/"},"modified":"2024-11-04T03:23:26","modified_gmt":"2024-11-03T19:23:26","slug":"%e7%81%ab%e5%8a%9b%e5%85%a8%e9%96%8b-redis-%e7%a7%92%e6%ae%ba%e6%8a%80%e8%a1%93%e7%9a%84%e5%88%a9%e8%88%87%e5%bc%8a%ef%bc%88%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e7%a7%92%e6%ae%ba%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161073\/","title":{"rendered":"\u706b\u529b\u5168\u958b Redis \u79d2\u6bba\u6280\u8853\u7684\u5229\u8207\u5f0a\uff08\u4ec0\u9ebc\u662f redis \u79d2\u6bba\uff09"},"content":{"rendered":"<h1 id=\"%e7%81%ab%e5%8a%9b%e5%85%a8%e9%96%8b-redis-%e7%a7%92%e6%ae%ba%e6%8a%80%e8%a1%93%e7%9a%84%e5%88%a9%e8%88%87%e5%bc%8a%ef%bc%88%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e7%a7%92%e6%ae%ba%ef%bc%89-VKFafeFTVA\">\u706b\u529b\u5168\u958b Redis \u79d2\u6bba\u6280\u8853\u7684\u5229\u8207\u5f0a\uff08\u4ec0\u9ebc\u662f redis \u79d2\u6bba\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u79d2\u6bba\u6d3b\u52d5\u5df2\u6210\u70ba\u8a31\u591a\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u5438\u5f15\u9867\u5ba2\u7684\u91cd\u8981\u624b\u6bb5\u3002\u9019\u7a2e\u6d3b\u52d5\u901a\u5e38\u6d89\u53ca\u5728\u77ed\u6642\u9593\u5167\u4ee5\u6975\u4f4e\u7684\u50f9\u683c\u51fa\u552e\u9650\u91cf\u5546\u54c1\uff0c\u5438\u5f15\u5927\u91cf\u7528\u6236\u540c\u6642\u6436\u8cfc\u3002\u70ba\u4e86\u61c9\u5c0d\u77ac\u9593\u6e67\u5165\u7684\u8acb\u6c42\uff0c\u8a31\u591a\u4f01\u696d\u9078\u64c7\u4f7f\u7528 Redis \u4f5c\u70ba\u5176\u5f8c\u7aef\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u79d2\u6bba\u6280\u8853\u7684\u5229\u8207\u5f0a\uff0c\u4e26\u6df1\u5165\u4e86\u89e3\u5176\u904b\u4f5c\u539f\u7406\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e7%a7%92%e6%ae%ba%ef%bc%9f-VKFafeFTVA\">\u4ec0\u9ebc\u662f Redis \u79d2\u6bba\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u548c\u6578\u64da\u5b58\u5132\u3002\u79d2\u6bba\u6280\u8853\u5247\u662f\u6307\u5728\u7279\u5b9a\u6642\u9593\u5167\uff0c\u901a\u904e\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u548c\u8acb\u6c42\u7ba1\u7406\uff0c\u5be6\u73fe\u5546\u54c1\u7684\u5feb\u901f\u92b7\u552e\u3002\u7576\u7528\u6236\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u767c\u8d77\u8acb\u6c42\u6642\uff0cRedis \u80fd\u5920\u8fc5\u901f\u8655\u7406\u5927\u91cf\u8acb\u6c42\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6e96\u78ba\u6027\u3002<\/p>\n<h2 id=\"redis-%e7%a7%92%e6%ae%ba%e6%8a%80%e8%a1%93%e7%9a%84%e5%84%aa%e5%8b%a2-VKFafeFTVA\">Redis \u79d2\u6bba\u6280\u8853\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5176\u80fd\u5920\u4ee5\u6975\u5feb\u7684\u901f\u5ea6\u8655\u7406\u8acb\u6c42\uff0c\u9019\u5c0d\u65bc\u79d2\u6bba\u6d3b\u52d5\u81f3\u95dc\u91cd\u8981\u3002\u6839\u64da\u6e2c\u8a66\uff0cRedis \u6bcf\u79d2\u53ef\u4ee5\u8655\u7406\u6578\u5341\u842c\u6b21\u8acb\u6c42\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u9ad8\u6d41\u91cf\u5834\u666f\u7684\u7406\u60f3\u9078\u64c7\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u7c21\u55ae\u7684 API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u5176\u96c6\u6210\u5230\u73fe\u6709\u7cfb\u7d71\u4e2d\u3002\u9019\u4f7f\u5f97\u79d2\u6bba\u7cfb\u7d71\u7684\u958b\u767c\u548c\u7dad\u8b77\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002<\/li>\n<li><strong>\u6578\u64da\u6301\u4e45\u5316\uff1a<\/strong>\u96d6\u7136 Redis \u662f\u4e00\u500b\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4f46\u5b83\u4e5f\u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u9019\u610f\u5473\u8457\u5373\u4f7f\u5728\u7cfb\u7d71\u5d29\u6f70\u7684\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u4e5f\u4e0d\u6703\u4e1f\u5931\u3002<\/li>\n<li><strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis \u652f\u6301\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u9748\u6d3b\u5730\u61c9\u5c0d\u4e0d\u540c\u7684\u696d\u52d9\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e7%a7%92%e6%ae%ba%e6%8a%80%e8%a1%93%e7%9a%84%e6%8c%91%e6%88%b0-VKFafeFTVA\">Redis \u79d2\u6bba\u6280\u8853\u7684\u6311\u6230<\/h2>\n<ul>\n<li><strong>\u8cc7\u6e90\u6d88\u8017\uff1a<\/strong>\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0c\u77ac\u9593\u6e67\u5165\u7684\u8acb\u6c42\u53ef\u80fd\u6703\u5c0e\u81f4 Redis \u4f3a\u670d\u5668\u8cc7\u6e90\u7684\u904e\u5ea6\u6d88\u8017\uff0c\u5f9e\u800c\u5f71\u97ff\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u70ba\u4e86\u61c9\u5c0d\u9019\u4e00\u6311\u6230\uff0c\u4f01\u696d\u9700\u8981\u5408\u7406\u914d\u7f6e\u4f3a\u670d\u5668\u8cc7\u6e90\uff0c\u4e26\u8003\u616e\u4f7f\u7528\u8ca0\u8f09\u5747\u8861\u6280\u8853\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u662f\u4e00\u500b\u91cd\u8981\u7684\u6311\u6230\u3002\u4f01\u696d\u9700\u8981\u8a2d\u8a08\u5408\u7406\u7684\u9396\u6a5f\u5236\u6216\u4f7f\u7528 Redis \u7684\u539f\u5b50\u64cd\u4f5c\u4f86\u907f\u514d\u6578\u64da\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6d41\u91cf\u63a7\u5236\uff1a<\/strong>\u70ba\u4e86\u9632\u6b62\u7cfb\u7d71\u5d29\u6f70\uff0c\u4f01\u696d\u9700\u8981\u5be6\u65bd\u6d41\u91cf\u63a7\u5236\u7b56\u7565\uff0c\u4f8b\u5982\u4f7f\u7528\u4ee4\u724c\u6876\u6216\u6f0f\u6876\u7b97\u6cd5\u4f86\u9650\u5236\u540c\u6642\u8acb\u6c42\u7684\u6578\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e7%a7%92%e6%ae%ba%e6%8a%80%e8%a1%93%e7%9a%84%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-VKFafeFTVA\">Redis \u79d2\u6bba\u6280\u8853\u7684\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Redis \u79d2\u6bba\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8a2d\u5b9a\u5546\u54c1\u5eab\u5b58\nr.set('product:123:stock', 100)\n\ndef seckill(user_id):\n    # \u6aa2\u67e5\u5eab\u5b58\n    stock = r.get('product:123:stock')\n    if stock and int(stock) &gt; 0:\n        # \u6263\u6e1b\u5eab\u5b58\n        r.decr('product:123:stock')\n        print(f'\u7528\u6236 {user_id} \u6210\u529f\u6436\u8cfc\u5546\u54c1\uff01')\n    else:\n        print(f'\u7528\u6236 {user_id} \u62b1\u6b49\uff0c\u5546\u54c1\u5df2\u552e\u7f44\uff01')\n\n# \u6a21\u64ec\u591a\u500b\u7528\u6236\u6436\u8cfc\nfor user_id in range(1, 201):\n    seckill(user_id)\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VKFafeFTVA\">\u7e3d\u7d50<\/h2>\n<p>Redis \u79d2\u6bba\u6280\u8853\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e2d\u5c55\u73fe\u4e86\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u80fd\u5920\u6709\u6548\u652f\u6301\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u7684\u79d2\u6bba\u6d3b\u52d5\u3002\u7136\u800c\uff0c\u4f01\u696d\u5728\u5be6\u65bd\u904e\u7a0b\u4e2d\u4e5f\u9700\u9762\u5c0d\u8cc7\u6e90\u6d88\u8017\u3001\u6578\u64da\u4e00\u81f4\u6027\u548c\u6d41\u91cf\u63a7\u5236\u7b49\u6311\u6230\u3002\u901a\u904e\u5408\u7406\u7684\u67b6\u69cb\u8a2d\u8a08\u548c\u6280\u8853\u9078\u578b\uff0c\u4f01\u696d\u53ef\u4ee5\u5145\u5206\u767c\u63ee Redis \u7684\u512a\u52e2\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u61c9\u5c0d\u9ad8\u6d41\u91cf\u6311\u6230\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u706b\u529b\u5168\u958b Redis \u79d2\u6bba\u6280\u8853\u7684\u5229\u8207\u5f0a\uff0c\u4e86\u89e3\u5176\u904b\u4f5c\u539f\u7406\u53ca\u5728\u9ad8\u6d41\u91cf\u5834\u666f\u4e2d\u7684\u61c9\u7528\u8207\u6311\u6230\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-161073","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161073","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=161073"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161073\/revisions"}],"predecessor-version":[{"id":161074,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161073\/revisions\/161074"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161073"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161073"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}