{"id":129075,"date":"2024-10-26T18:53:58","date_gmt":"2024-10-26T10:53:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129075\/"},"modified":"2024-10-26T18:53:59","modified_gmt":"2024-10-26T10:53:59","slug":"redis%e5%af%a6%e7%8f%be%e5%ad%97%e6%af%8d%e8%87%aa%e5%a2%9e%e7%b2%be%e5%bd%a9%e4%ba%94%e6%ad%a5%e4%b9%8b%e6%97%85%ef%bc%88redis-%e8%87%aa%e5%a2%9e-%e5%ad%97%e6%af%8d%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129075\/","title":{"rendered":"Redis\u5be6\u73fe\u5b57\u6bcd\u81ea\u589e\u7cbe\u5f69\u4e94\u6b65\u4e4b\u65c5\uff08redis \u81ea\u589e \u5b57\u6bcd\uff09"},"content":{"rendered":"

Redis\u5be6\u73fe\u5b57\u6bcd\u81ea\u589e\u7cbe\u5f69\u4e94\u6b65\u4e4b\u65c5\uff08redis \u81ea\u589e \u5b57\u6bcd\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u5b58\u53d6\u548c\u66f4\u65b0\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\uff0cRedis\u7684\u6027\u80fd\u8868\u73fe\u5c24\u70ba\u7a81\u51fa\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u5b57\u6bcd\u81ea\u589e\u7684\u529f\u80fd\uff0c\u4e26\u901a\u904e\u4e94\u500b\u7c21\u55ae\u7684\u6b65\u9a5f\u4f86\u5c55\u793a\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n

\u6b65\u9a5f\u4e00\uff1a\u5b89\u88ddRedis<\/h2>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728\u60a8\u7684\u7cfb\u7d71\u4e0a\u5b89\u88ddRedis\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u5728Linux\u7cfb\u7d71\u4e0a\u5b89\u88dd\uff1a<\/p>\n

sudo apt update\nsudo apt install redis-server\n<\/code><\/pre>\n
\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5Redis\u670d\u52d9\uff1a<\/p>\n
sudo service redis-server start\n<\/code><\/pre>\n
\u6b65\u9a5f\u4e8c\uff1a\u9023\u63a5\u5230Redis<\/h2>\n
\u5b89\u88dd\u4e26\u555f\u52d5Redis\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Redis CLI\u5de5\u5177\u4f86\u9023\u63a5\u5230Redis\u670d\u52d9\u3002\u8f38\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
redis-cli\n<\/code><\/pre>\n
\u9019\u5c07\u4f7f\u60a8\u9032\u5165Redis\u547d\u4ee4\u884c\u754c\u9762\uff0c\u60a8\u53ef\u4ee5\u5728\u9019\u88e1\u57f7\u884c\u5404\u7a2e\u547d\u4ee4\u3002<\/p>\n
\u6b65\u9a5f\u4e09\uff1a\u8a2d\u7f6e\u5b57\u6bcd\u81ea\u589e\u908f\u8f2f<\/h2>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u8a2d\u7f6e\u4e00\u500b\u81ea\u589e\u7684\u908f\u8f2f\u3002\u5047\u8a2d\u6211\u5011\u5e0c\u671b\u5f9e\u5b57\u6bcd’A’\u958b\u59cb\u81ea\u589e\u5230’Z’\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u5b57\u7b26\u4e32\u985e\u578b\u4f86\u5b58\u5132\u7576\u524d\u5b57\u6bcd\uff0c\u4e26\u4f7f\u7528`INCR`\u547d\u4ee4\u4f86\u5be6\u73fe\u81ea\u589e\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n
SET current_letter \"A\"\n<\/code><\/pre>\n
\u7136\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u51fd\u6578\u4f86\u5be6\u73fe\u5b57\u6bcd\u7684\u81ea\u589e\uff1a<\/p>\n
def increment_letter():\n    current_letter = redis.get(\"current_letter\").decode(\"utf-8\")\n    if current_letter == \"Z\":\n        return \"\u5df2\u9054\u5230\u5b57\u6bcd\u4e0a\u9650\"\n    else:\n        next_letter = chr(ord(current_letter) + 1)\n        redis.set(\"current_letter\", next_letter)\n        return next_letter\n<\/code><\/pre>\n
\u6b65\u9a5f\u56db\uff1a\u6e2c\u8a66\u81ea\u589e\u529f\u80fd<\/h2>\n
\u73fe\u5728\uff0c\u6211\u5011\u53ef\u4ee5\u6e2c\u8a66\u6211\u5011\u7684\u81ea\u589e\u529f\u80fd\u3002\u6bcf\u6b21\u8abf\u7528`increment_letter`\u51fd\u6578\u6642\uff0c\u61c9\u8a72\u6703\u8fd4\u56de\u4e0b\u4e00\u500b\u5b57\u6bcd\uff1a<\/p>\n
print(increment_letter())  # \u8f38\u51fa: B\nprint(increment_letter())  # \u8f38\u51fa: C\n# \u4f9d\u6b64\u985e\u63a8\uff0c\u76f4\u5230 Z\n<\/code><\/pre>\n
\u6b65\u9a5f\u4e94\uff1a\u8655\u7406\u908a\u754c\u60c5\u6cc1<\/h2>\n
\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u6211\u5011\u9700\u8981\u8003\u616e\u5230\u908a\u754c\u60c5\u6cc1\uff0c\u4f8b\u5982\u7576\u5b57\u6bcd\u9054\u5230’Z’\u6642\uff0c\u61c9\u8a72\u5982\u4f55\u8655\u7406\u3002\u53ef\u4ee5\u5728`increment_letter`\u51fd\u6578\u4e2d\u6dfb\u52a0\u76f8\u61c9\u7684\u908f\u8f2f\u4f86\u8655\u7406\u9019\u7a2e\u60c5\u6cc1\uff1a<\/p>\n
def increment_letter():\n    current_letter = redis.get(\"current_letter\").decode(\"utf-8\")\n    if current_letter == \"Z\":\n        return \"\u5df2\u9054\u5230\u5b57\u6bcd\u4e0a\u9650\"\n    else:\n        next_letter = chr(ord(current_letter) + 1)\n        redis.set(\"current_letter\", next_letter)\n        return next_letter\n<\/code><\/pre>\n
\u9019\u6a23\uff0c\u6211\u5011\u5c31\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u5b57\u6bcd\u7684\u81ea\u589e\u904e\u7a0b\uff0c\u4e26\u5728\u9054\u5230\u4e0a\u9650\u6642\u7d66\u51fa\u63d0\u793a\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u4e94\u500b\u6b65\u9a5f\uff0c\u6211\u5011\u6210\u529f\u5730\u5728Redis\u4e2d\u5be6\u73fe\u4e86\u5b57\u6bcd\u81ea\u589e\u7684\u529f\u80fd\u3002\u9019\u4e00\u904e\u7a0b\u4e0d\u50c5\u5c55\u793a\u4e86Redis\u7684\u9748\u6d3b\u6027\u548c\u9ad8\u6548\u6027\uff0c\u9084\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5e6b\u52a9\u4ed6\u5011\u7406\u89e3\u5982\u4f55\u5229\u7528Redis\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u904b\u884c\u60a8\u7684Redis\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Redis\u5be6\u73fe\u5b57\u6bcd\u81ea\u589e\u7684\u4e94\u500b\u7cbe\u5f69\u6b65\u9a5f\uff0c\u8f15\u9b06\u638c\u63e1\u5b57\u6bcd\u81ea\u589e\u6280\u8853\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\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-129075","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129075","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=129075"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129075\/revisions"}],"predecessor-version":[{"id":129076,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129075\/revisions\/129076"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}