{"id":180344,"date":"2024-11-09T09:29:07","date_gmt":"2024-11-09T01:29:07","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180344\/"},"modified":"2024-11-09T09:29:08","modified_gmt":"2024-11-09T01:29:08","slug":"%e8%a8%ad%e5%ae%9aredis%e4%b8%ad%e5%8b%95%e6%85%8b%e8%aa%bf%e6%95%b4%e9%8d%b5%e5%80%bc%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e7%9a%84%e5%af%a6%e8%b8%90%ef%bc%88redis%e9%8d%b5%e5%80%bc%e9%81%8e%e6%9c%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180344\/","title":{"rendered":"\u8a2d\u5b9aRedis\u4e2d\u52d5\u614b\u8abf\u6574\u9375\u503c\u904e\u671f\u6642\u9593\u7684\u5be6\u8e10\uff08redis\u9375\u503c\u904e\u671f\u6642\u9593\uff09"},"content":{"rendered":"<h1 id=\"%e8%a8%ad%e5%ae%9aredis%e4%b8%ad%e5%8b%95%e6%85%8b%e8%aa%bf%e6%95%b4%e9%8d%b5%e5%80%bc%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e7%9a%84%e5%af%a6%e8%b8%90-guDvKveEHA\">\u8a2d\u5b9aRedis\u4e2d\u52d5\u614b\u8abf\u6574\u9375\u503c\u904e\u671f\u6642\u9593\u7684\u5be6\u8e10<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u5176\u63d0\u4f9b\u7684\u9375\u503c\u904e\u671f\u6642\u9593\u529f\u80fd\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u9748\u6d3b\u5730\u7ba1\u7406\u6578\u64da\u7684\u751f\u547d\u9031\u671f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Redis\u4e2d\u52d5\u614b\u8abf\u6574\u9375\u503c\u7684\u904e\u671f\u6642\u9593\uff0c\u4e26\u63d0\u4f9b\u5be6\u8e10\u4e2d\u7684\u4e00\u4e9b\u793a\u4f8b\u548c\u5efa\u8b70\u3002<\/p>\n<h2 id=\"redis%e9%8d%b5%e5%80%bc%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-guDvKveEHA\">Redis\u9375\u503c\u904e\u671f\u6642\u9593\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u6bcf\u500b\u9375\u90fd\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u7576\u904e\u671f\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u7279\u6027\u5c0d\u65bc\u9700\u8981\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u7684\u61c9\u7528\u5834\u666f\u5c24\u70ba\u91cd\u8981\u3002\u904e\u671f\u6642\u9593\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SET key value EX seconds<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>EX<\/code>\u53c3\u6578\u6307\u5b9a\u4e86\u9375\u7684\u904e\u671f\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u5c07\u9375<code>mykey<\/code>\u7684\u503c\u8a2d\u7f6e\u70ba<code>myvalue<\/code>\uff0c\u4e26\u572860\u79d2\u5f8c\u904e\u671f\uff1a<\/p>\n<pre><code>SET mykey myvalue EX 60<\/code><\/pre>\n<h2 id=\"%e5%8b%95%e6%85%8b%e8%aa%bf%e6%95%b4%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e7%9a%84%e9%9c%80%e6%b1%82-guDvKveEHA\">\u52d5\u614b\u8abf\u6574\u904e\u671f\u6642\u9593\u7684\u9700\u6c42<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u6839\u64da\u696d\u52d9\u908f\u8f2f\u52d5\u614b\u8abf\u6574\u9375\u7684\u904e\u671f\u6642\u9593\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e00\u500b\u7528\u65bc\u5b58\u5132\u7528\u6236\u6703\u8a71\u7684\u9375\uff0c\u7576\u7528\u6236\u5728\u61c9\u7528\u4e2d\u6d3b\u8e8d\u6642\uff0c\u53ef\u80fd\u5e0c\u671b\u5ef6\u9577\u5176\u6703\u8a71\u7684\u6709\u6548\u671f\u3002\u76f8\u53cd\uff0c\u82e5\u7528\u6236\u9577\u6642\u9593\u672a\u6d3b\u52d5\uff0c\u5247\u53ef\u4ee5\u9078\u64c7\u7e2e\u77ed\u5176\u6703\u8a71\u7684\u6709\u6548\u671f\u3002<\/p>\n<h2 id=\"%e5%8b%95%e6%85%8b%e8%aa%bf%e6%95%b4%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-guDvKveEHA\">\u52d5\u614b\u8abf\u6574\u904e\u671f\u6642\u9593\u7684\u5be6\u73fe\u65b9\u6cd5<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>EXPIRE<\/code>\u547d\u4ee4\u4f86\u52d5\u614b\u8abf\u6574\u9375\u7684\u904e\u671f\u6642\u9593\u3002\u8a72\u547d\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>EXPIRE key seconds<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375<code>mykey<\/code>\u7684\u904e\u671f\u6642\u9593\u5ef6\u9577\u81f3120\u79d2\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>EXPIRE mykey 120<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528<code>TTL<\/code>\u547d\u4ee4\u4f86\u67e5\u8a62\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff1a<\/p>\n<pre><code>TTL mykey<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u6839\u64da\u7576\u524d\u7684\u5269\u9918\u6642\u9593\u4f86\u6c7a\u5b9a\u662f\u5426\u9700\u8981\u8abf\u6574\u904e\u671f\u6642\u9593\u3002<\/p>\n<h3 id=\"%e5%af%a6%e8%b8%90%e7%a4%ba%e4%be%8b-guDvKveEHA\">\u5be6\u8e10\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Python\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u7684Python\u5ba2\u6236\u7aef<code>redis-py<\/code>\u4f86\u52d5\u614b\u8abf\u6574\u9375\u7684\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8a2d\u7f6e\u9375\u503c\u53ca\u904e\u671f\u6642\u9593\nr.set('session:user123', 'active', ex=60)\n\n# \u6a21\u64ec\u7528\u6236\u6d3b\u52d5\nwhile True:\n    # \u67e5\u8a62\u5269\u9918\u6642\u9593\n    ttl = r.ttl('session:user123')\n    print(f'\u5269\u9918\u6642\u9593: {ttl}\u79d2')\n\n    # \u6839\u64da\u696d\u52d9\u908f\u8f2f\u6c7a\u5b9a\u662f\u5426\u5ef6\u9577\u904e\u671f\u6642\u9593\n    if ttl &gt; 10:  # \u5982\u679c\u5269\u9918\u6642\u9593\u5927\u65bc10\u79d2\uff0c\u5247\u4e0d\u5ef6\u9577\n        print('\u4e0d\u9700\u8981\u5ef6\u9577\u904e\u671f\u6642\u9593')\n    else:  # \u5426\u5247\u5ef6\u9577\u904e\u671f\u6642\u9593\n        r.expire('session:user123', 60)\n        print('\u5df2\u5ef6\u9577\u904e\u671f\u6642\u9593\u81f360\u79d2')\n\n    time.sleep(5)  # \u6bcf5\u79d2\u6aa2\u67e5\u4e00\u6b21\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-guDvKveEHA\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u904e\u671f\u6642\u9593\u7684\u8a2d\u7f6e\u61c9\u6839\u64da\u5177\u9ad4\u696d\u52d9\u9700\u6c42\u9032\u884c\u8abf\u6574\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/li>\n<li>\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e0b\uff0c\u52d5\u614b\u8abf\u6574\u904e\u671f\u6642\u9593\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\uff0c\u9700\u8b39\u614e\u4f7f\u7528\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u904e\u671f\u9375\uff0c\u4ee5\u4fdd\u6301Redis\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-guDvKveEHA\">\u7e3d\u7d50<\/h2>\n<p>\u5728Redis\u4e2d\u52d5\u614b\u8abf\u6574\u9375\u503c\u7684\u904e\u671f\u6642\u9593\u662f\u4e00\u500b\u9748\u6d3b\u4e14\u5be6\u7528\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u7684\u751f\u547d\u9031\u671f\u3002\u901a\u904e\u4f7f\u7528<code>EXPIRE<\/code>\u548c<code>TTL<\/code>\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u696d\u52d9\u9700\u6c42\u96a8\u6642\u8abf\u6574\u904e\u671f\u6642\u9593\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7684\u6548\u7387\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u4e86\u7a69\u5b9a\u7684<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u9078\u64c7\uff0c\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u60a8\u7684\u61c9\u7528\u548c\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728Redis\u4e2d\u52d5\u614b\u8abf\u6574\u9375\u503c\u7684\u904e\u671f\u6642\u9593\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u8cc7\u6e90\u7684\u6700\u4f73\u5229\u7528\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-180344","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180344","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=180344"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180344\/revisions"}],"predecessor-version":[{"id":180345,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180344\/revisions\/180345"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}