{"id":194859,"date":"2024-11-13T10:10:23","date_gmt":"2024-11-13T02:10:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194859\/"},"modified":"2024-11-13T10:10:24","modified_gmt":"2024-11-13T02:10:24","slug":"%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e7%9a%84%e7%a7%92%e6%90%b6%e7%b4%85%e5%8c%85%e6%96%b9%e6%a1%88%ef%bc%88redis-%e7%a7%92%e6%90%b6%e7%b4%85%e5%8c%85%e6%96%b9%e6%a1%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194859\/","title":{"rendered":"\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u79d2\u6436\u7d05\u5305\u65b9\u6848\uff08redis \u79d2\u6436\u7d05\u5305\u65b9\u6848\uff09"},"content":{"rendered":"<h1 id=\"%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e7%9a%84%e7%a7%92%e6%90%b6%e7%b4%85%e5%8c%85%e6%96%b9%e6%a1%88-TiAEVkazRb\">\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u79d2\u6436\u7d05\u5305\u65b9\u6848<\/h1>\n<p>\u96a8\u8457\u79fb\u52d5\u652f\u4ed8\u7684\u666e\u53ca\uff0c\u7d05\u5305\u6210\u70ba\u4e86\u4eba\u5011\u5728\u7bc0\u65e5\u548c\u7279\u6b8a\u5834\u5408\u4e2d\u8868\u9054\u795d\u798f\u7684\u4e00\u7a2e\u6d41\u884c\u65b9\u5f0f\u3002\u5c24\u5176\u662f\u5728\u6625\u7bc0\u671f\u9593\uff0c\u79d2\u6436\u7d05\u5305\u7684\u6d3b\u52d5\u5438\u5f15\u4e86\u5927\u91cf\u7528\u6236\u53c3\u8207\u3002\u7136\u800c\uff0c\u5982\u4f55\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u5be6\u73fe\u9ad8\u6548\u7684\u79d2\u6436\u7d05\u5305\u65b9\u6848\uff0c\u6210\u70ba\u4e86\u6280\u8853\u5718\u968a\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u5be6\u73fe\u9019\u4e00\u76ee\u6a19\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-TiAEVkazRb\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u7279\u9ede\uff0c\u4f7f\u5176\u6210\u70ba\u79d2\u6436\u7d05\u5305\u65b9\u6848\u7684\u7406\u60f3\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u6bcf\u79d2\u8655\u7406\u6578\u5341\u842c\u6b21\u8acb\u6c42\uff0c\u9019\u5c0d\u65bc\u79d2\u6436\u7d05\u5305\u9019\u7a2e\u9ad8\u4e26\u767c\u5834\u666f\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<li><strong>\u6578\u64da\u6301\u4e45\u5316\uff1a<\/strong>Redis\u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u5d29\u6f70\u6642\u4fdd\u8b77\u6578\u64da\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u7684API\u7c21\u55ae\uff0c\u6613\u65bc\u96c6\u6210\u5230\u73fe\u6709\u7cfb\u7d71\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a7%92%e6%90%b6%e7%b4%85%e5%8c%85%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%b5%81%e7%a8%8b-TiAEVkazRb\">\u79d2\u6436\u7d05\u5305\u7684\u57fa\u672c\u6d41\u7a0b<\/h2>\n<p>\u5728\u8a2d\u8a08\u79d2\u6436\u7d05\u5305\u65b9\u6848\u6642\uff0c\u57fa\u672c\u6d41\u7a0b\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u7528\u6236\u767c\u8d77\u6436\u7d05\u5305\u8acb\u6c42\u3002<\/li>\n<li>\u7cfb\u7d71\u6aa2\u67e5\u7d05\u5305\u662f\u5426\u5b58\u5728\u4e14\u662f\u5426\u9084\u6709\u5269\u9918\u91d1\u984d\u3002<\/li>\n<li>\u5982\u679c\u7d05\u5305\u53ef\u7528\uff0c\u5247\u5c07\u7528\u6236\u7684\u6436\u7d05\u5305\u8acb\u6c42\u5beb\u5165Redis\u3002<\/li>\n<li>\u6839\u64da\u8acb\u6c42\u7684\u5148\u5f8c\u9806\u5e8f\uff0c\u5206\u914d\u7d05\u5305\u91d1\u984d\u3002<\/li>\n<li>\u8fd4\u56de\u7d50\u679c\u7d66\u7528\u6236\u3002<\/li>\n<\/ol>\n<h2 id=\"redis%e7%9a%84%e5%85%b7%e9%ab%94%e5%af%a6%e7%8f%be-TiAEVkazRb\">Redis\u7684\u5177\u9ad4\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Redis\u79d2\u6436\u7d05\u5305\u65b9\u6848\u7684\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u521d\u59cb\u5316\u7d05\u5305\ndef init_red_packet(total_amount, total_count):\n    r.hset('red_packet', 'total_amount', total_amount)\n    r.hset('red_packet', 'total_count', total_count)\n\n# \u6436\u7d05\u5305\ndef grab_red_packet(user_id):\n    # \u6aa2\u67e5\u7d05\u5305\u662f\u5426\u5b58\u5728\n    if r.hget('red_packet', 'total_count') is None:\n        return \"\u7d05\u5305\u5df2\u7d93\u6436\u5b8c\"\n\n    # \u958b\u59cb\u6436\u7d05\u5305\n    r.hincrby('red_packet', 'total_count', -1)\n    remaining_count = int(r.hget('red_packet', 'total_count'))\n\n    if remaining_count &lt; 0:\n        return &quot;\u7d05\u5305\u5df2\u7d93\u6436\u5b8c&quot;\n\n    # \u96a8\u6a5f\u5206\u914d\u91d1\u984d\n    total_amount = int(r.hget(&#039;red_packet&#039;, &#039;total_amount&#039;))\n    grab_amount = total_amount \/\/ (remaining_count + 1)  # \u7c21\u55ae\u7684\u5206\u914d\u908f\u8f2f\n    r.hincrby(&#039;red_packet&#039;, &#039;total_amount&#039;, -grab_amount)\n\n    return f&quot;\u7528\u6236 {user_id} \u6436\u5230\u7d05\u5305 {grab_amount} \u5143&quot;\n\n# \u521d\u59cb\u5316\u7d05\u5305\ninit_red_packet(1000, 10)\n\n# \u6a21\u64ec\u7528\u6236\u6436\u7d05\u5305\nfor i in range(15):\n    user_id = f&quot;user_{i}&quot;\n    print(grab_red_packet(user_id))\n    time.sleep(0.1)  # \u6a21\u64ec\u6436\u7d05\u5305\u7684\u5ef6\u9072\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-TiAEVkazRb\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u73fe\u79d2\u6436\u7d05\u5305\u65b9\u6848\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\uff0c\u5fc5\u9808\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u907f\u514d\u51fa\u73fe\u8d85\u8ce3\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u53ef\u4ee5\u8003\u616e\u4f7f\u7528Redis\u7684\u8a02\u95b1\/\u767c\u5e03\u529f\u80fd\u4f86\u9032\u884c\u6027\u80fd\u512a\u5316\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u9700\u8981\u5c0d\u6436\u7d05\u5305\u7684\u8acb\u6c42\u9032\u884c\u9a57\u8b49\uff0c\u9632\u6b62\u60e1\u610f\u653b\u64ca\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TiAEVkazRb\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u79d2\u6436\u7d05\u5305\u65b9\u6848\uff0c\u4e0d\u50c5\u80fd\u5920\u6eff\u8db3\u9ad8\u4e26\u767c\u7684\u9700\u6c42\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u6301\u4e45\u6027\u548c\u4e00\u81f4\u6027\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u70ba\u7528\u6236\u63d0\u4f9b\u6d41\u66a2\u7684\u6436\u7d05\u5305\u9ad4\u9a57\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u9ad8\u6548\u7684\u74b0\u5883\u4e2d\u904b\u884c\u60a8\u7684\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u79d2\u6436\u7d05\u5305\u65b9\u6848\uff0c\u63d0\u5347\u6436\u7d05\u5305\u7684\u901f\u5ea6\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u7528\u6236\u9ad4\u9a57\u6700\u4f73\u5316\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-194859","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194859","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=194859"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194859\/revisions"}],"predecessor-version":[{"id":194860,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194859\/revisions\/194860"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}