{"id":244,"date":"2025-09-09T10:13:09","date_gmt":"2025-09-09T02:13:09","guid":{"rendered":"http:\/\/43.139.99.192\/?p=244"},"modified":"2025-09-09T10:19:19","modified_gmt":"2025-09-09T02:19:19","slug":"redis","status":"publish","type":"post","link":"http:\/\/43.139.99.192\/index.php\/2025\/09\/09\/redis\/","title":{"rendered":"Redis"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5b9a\u4e49\uff1aredis\u662f\u4e00\u4e2a\u5728\u5185\u5b58\u4e2d\u5b58\u50a8\u6570\u636e\u7684\u4e2d\u95f4\u4ef6\uff0c\u7528\u4f5c\u7f13\u5b58\/\u652f\u6301\u5206\u5e03\u5f0f\u7cfb\u7edf\u5e76\u5177\u5907\u826f\u597d\u7684\u6269\u5c55\u6027<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u636e\u7ed3\u6784\uff1a\u652f\u6301\u5b57\u7b26\u4e32\/\u54c8\u5e0c\/\u5217\u8868\/\u96c6\u5408\/\u6709\u5e8f\u96c6\u5408\/\u6d41<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u6bd4mysql\uff0cmysql\u662f\u901a\u8fc7\u8868\u53bb\u8fdb\u884c\u5b58\u50a8\u7684\uff0c\u662f\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0credis\u662f\u901a\u8fc7\u952e\u503c\u5bf9\u53bb\u5b58\u50a8\u6570\u636e\u7684\uff08\u975e\u5173\u7cfb\u578b\u5b58\u50a8\u6570\u636e\uff09\uff1b\u952e\u503c\u5bf9\uff1akey\u901a\u5e38\u662f\u5b57\u7b26\u4e32\uff08string\uff09\uff0cvalue\u53ef\u4ee5\u662f\u4e0a\u8ff0\u5404\u79cd\u7ed3\u6784<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u6253\u7279\u70b9\u5c31\u662f\u5feb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">redis\u7684\u7279\u6027\uff08\u4f18\u70b9\uff09ipep\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5185\u5b58\u6570\u636e\u7ed3\u6784\uff1a\u6570\u636e\u4e3b\u8981\u5b58\u50a8\u5728\u5185\u5b58\u5462\u4e2d\uff0c\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u901f\u8bbf\u95ee<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u7f16\u7a0b\u6027\uff1a\u652f\u6301\u670d\u52a1\u7aef\u811a\u672c\uff0c\u7279\u522b\u662f\u4f7f\u7528lua\u8bed\u8a00\uff0c\u9664\u4e86\u4ea4\u4e92\u5f0f\u547d\u4ee4\u884c\u64cd\u4f5c\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7lua\u811a\u672c\u6279\u91cf\u6267\u884c\u64cd\u4f5c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u6269\u5c55\u6027\uff1a\u63d0\u4f9bapi\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u7f16\u5199\u81ea\u5b9a\u4e49\u6269\u5c55\uff0c\u6269\u5c55\u672c\u8d28\u662f\u52a8\u6001\u94fe\u63a5\u5e93<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6301\u4e45\u5316\uff1a\u9ed8\u8ba4\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u4f46\u652f\u6301\u6570\u636e\u6301\u4e45\u5316\u5230\u78c1\u76d8\uff0c\u76ee\u7684\u662f\u907f\u514d\u9632\u6b62\u8fdb\u7a0b\u9000\u51fa\u6216\u8005\u662f\u7cfb\u7edf\u91cd\u542f\u5bfc\u81f4\u6570\u636e\u4e22\u5931\uff0c\u673a\u5236\uff1a\u901a\u8fc7aof\uff08\u65e5\u5fd7\uff09\u4ee5\u53cardb\uff08\u5feb\u7167\uff09\u8fdb\u884c\u6301\u4e45\u5316<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"688\" height=\"248\" data-original=\"http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-245\"  sizes=\"auto, (max-width: 688px) 100vw, 688px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u96c6\u7fa4\uff1a\u652f\u6301\u5206\u5e03\u5f0f\u96c6\u7fa4\u90e8\u7f72\uff0c\u901a\u8fc7\u54c8\u5e0c\u5206\u7247\u5c06\u6570\u636e\u5206\u5e03\u5728\u591a\u4e2a\u8282\u70b9\u4e0a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u53ef\u7528\u6027\uff1a\u652f\u6301\u4e3b\u4ece\u590d\u5236\uff0c\u901a\u8fc7\u914d\u7f6e\u591a\u4e2a\u4ece\u8282\u70b9\u53bb\u5907\u4efd\u4e3b\u8282\u70b9\u6570\u636e<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image-1.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"652\" height=\"645\" data-original=\"http:\/\/43.139.99.192\/wp-content\/uploads\/2025\/09\/image-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-246\"  sizes=\"auto, (max-width: 652px) 100vw, 652px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u65f6\u6570\u636e\u5b58\u50a8\uff1a\u628aredis\u5f53\u4f5c\u6570\u636e\u5e93\uff0c\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8003\u8651\u6570\u636e\u6301\u4e45\u5316\u60c5\u51b5\uff0c\u4f18\u5148\u8003\u8651rdb\uff0c\u56e0\u4e3a\u5feb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f13\u5b58\uff1a\u4f7f\u7528mysql+\u7f13\u5b58\uff08redis\uff09\uff0c\u91c7\u7528\u4e8c\u516b\u539f\u5219\uff0c\u628a\u70ed\u70b9\u6570\u636e\u5b58\u51fa\u6765\uff0c\u5b58\u50a8\u5728redis\u4e2d\uff0credis\u5b58\u7684\u90fd\u662f\u70ed\u6570\u636e\uff0c\u5168\u91cf\u6570\u636e\u53ef\u4ee5\u4ee5mysql\u4e3a\u4e3b\u7684\u5b58\u50a8\uff0c\u5373\u4f7fredis\u6570\u636e\u4e22\u5931\u4e86\uff0c\u4e5f\u53ef\u4ee5\u4ecemysql\u4e2d\u6062\u590d\u8fc7\u6765<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d88\u606f\u961f\u5217\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">session\u5b58\u50a8\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4ec0\u4e48redis\u5feb\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u636e\u5b58\u50a8\/\u64cd\u4f5c\u903b\u8f91\/io\u6a21\u578b\/\u7ebf\u7a0b\u6a21\u578b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. \u57fa\u7840\u952e\u503c\u64cd\u4f5c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import redis\n\n# \u8fde\u63a5Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8bbe\u7f6e\u952e\u503c\u5bf9\nr.set('name', 'Alice')  # \u8bbe\u7f6e name = Alice\nr.set('age', 25)        # \u8bbe\u7f6e age = 25\n\n# \u83b7\u53d6\u503c\nprint(r.get('name'))    # \u8f93\u51fa: b'Alice' (b\u8868\u793abytes\u7c7b\u578b)\nprint(r.get('age'))     # \u8f93\u51fa: b'25'\n\n# \u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4(\u79d2)\nr.setex('temp_session', 30, 'session_data')  # 30\u79d2\u540e\u81ea\u52a8\u5220\u9664\n\n# \u68c0\u67e5\u952e\u662f\u5426\u5b58\u5728\nprint(r.exists('name'))  # \u8f93\u51fa: 1 (\u5b58\u5728)\nprint(r.exists('nonexistent'))  # \u8f93\u51fa: 0 (\u4e0d\u5b58\u5728)\n\n# \u5220\u9664\u952e\nr.delete('age')\nprint(r.get('age'))      # \u8f93\u51fa: None<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">2. \u54c8\u5e0c(Hash)\u7c7b\u578b &#8211; \u9002\u5408\u5b58\u50a8\u5bf9\u8c61<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5b58\u50a8\u7528\u6237\u4fe1\u606f\nr.hset('user:1001', 'name', 'Bob')\nr.hset('user:1001', 'email', 'bob@example.com')\nr.hset('user:1001', 'age', 30)\n\n# \u83b7\u53d6\u5355\u4e2a\u5b57\u6bb5\nprint(r.hget('user:1001', 'name'))  # \u8f93\u51fa: b'Bob'\n\n# \u83b7\u53d6\u6240\u6709\u5b57\u6bb5\nprint(r.hgetall('user:1001'))  \n# \u8f93\u51fa: {b'name': b'Bob', b'email': b'bob@example.com', b'age': b'30'}\n\n# \u589e\u52a0\u6570\u5b57\u5b57\u6bb5\nr.hincrby('user:1001', 'age', 1)  # age\u589e\u52a01\nprint(r.hget('user:1001', 'age'))  # \u8f93\u51fa: b'31'<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">3. \u5217\u8868(List)\u7c7b\u578b &#8211; \u5b9e\u73b0\u961f\u5217\u548c\u6808<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6dfb\u52a0\u6d88\u606f\u5230\u961f\u5217\nr.lpush('message_queue', 'msg1')\nr.lpush('message_queue', 'msg2')\nr.lpush('message_queue', 'msg3')\n\n# \u83b7\u53d6\u961f\u5217\u957f\u5ea6\nprint(r.llen('message_queue'))  # \u8f93\u51fa: 3\n\n# \u4ece\u961f\u5217\u53f3\u4fa7\u53d6\u51fa\u6d88\u606f(\u5148\u8fdb\u5148\u51fa)\nprint(r.rpop('message_queue'))  # \u8f93\u51fa: b'msg1' (\u6700\u65e9\u7684\u6d88\u606f)\nprint(r.rpop('message_queue'))  # \u8f93\u51fa: b'msg2'\n\n# \u4f5c\u4e3a\u6808\u4f7f\u7528(\u540e\u8fdb\u5148\u51fa)\nr.lpush('stack', 'item1')\nr.lpush('stack', 'item2')\nprint(r.lpop('stack'))  # \u8f93\u51fa: b'item2' (\u6700\u540e\u653e\u5165\u7684\u5148\u51fa)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">4. \u96c6\u5408(Set)\u7c7b\u578b &#8211; \u53bb\u91cd\u548c\u96c6\u5408\u8fd0\u7b97<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6dfb\u52a0\u5143\u7d20\u5230\u96c6\u5408\nr.sadd('tags', 'python', 'redis', 'database')\nr.sadd('tags', 'python')  # \u91cd\u590d\u5143\u7d20\u4e0d\u4f1a\u88ab\u6dfb\u52a0\n\n# \u83b7\u53d6\u96c6\u5408\u6240\u6709\u6210\u5458\nprint(r.smembers('tags'))  # \u8f93\u51fa: {b'python', b'redis', b'database'}\n\n# \u96c6\u5408\u8fd0\u7b97\nr.sadd('tags2', 'python', 'java', 'javascript')\n\n# \u4ea4\u96c6\nprint(r.sinter('tags', 'tags2'))  # \u8f93\u51fa: {b'python'}\n\n# \u5e76\u96c6\nprint(r.sunion('tags', 'tags2'))  # \u8f93\u51fa: {b'python', b'redis', b'database', b'java', b'javascript'}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">5. \u6709\u5e8f\u96c6\u5408(Sorted Set) &#8211; \u6392\u884c\u699c\u5b9e\u73b0<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6dfb\u52a0\u5206\u6570\u548c\u6210\u5458\nr.zadd('leaderboard', {'Alice': 100, 'Bob': 85, 'Charlie': 120})\n\n# \u83b7\u53d6\u6210\u5458\u6392\u540d(\u4ece\u9ad8\u5230\u4f4e)\nprint(r.zrevrank('leaderboard', 'Alice'))  # \u8f93\u51fa: 1 (\u7b2c\u4e8c\u540d)\n\n# \u83b7\u53d6\u524d3\u540d\nprint(r.zrevrange('leaderboard', 0, 2, withscores=True))\n# \u8f93\u51fa: &#91;(b'Charlie', 120.0), (b'Alice', 100.0), (b'Bob', 85.0)]\n\n# \u589e\u52a0\u5206\u6570\nr.zincrby('leaderboard', 20, 'Bob')  # Bob\u589e\u52a020\u5206\nprint(r.zscore('leaderboard', 'Bob'))  # \u8f93\u51fa: 105.0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">6. \u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import threading\n\n# \u8ba2\u9605\u8005\ndef subscriber():\n    pubsub = r.pubsub()\n    pubsub.subscribe('news')\n    for message in pubsub.listen():\n        if message&#91;'type'] == 'message':\n            print(f\"\u6536\u5230\u6d88\u606f: {message&#91;'data'].decode('utf-8')}\")\n\n# \u542f\u52a8\u8ba2\u9605\u7ebf\u7a0b\nthread = threading.Thread(target=subscriber)\nthread.start()\n\n# \u53d1\u5e03\u8005\nr.publish('news', '\u7b2c\u4e00\u6761\u6d88\u606f')\nr.publish('news', '\u7b2c\u4e8c\u6761\u6d88\u606f')<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">7. \u5b9e\u9645\u5e94\u7528\u793a\u4f8b &#8211; \u7f13\u5b58\u7f51\u9875\u5185\u5bb9<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import requests\n\ndef get_page(url):\n    # \u68c0\u67e5\u7f13\u5b58\n    cache_key = f\"page:{url}\"\n    cached_content = r.get(cache_key)\n    \n    if cached_content:\n        print(\"\u4ece\u7f13\u5b58\u83b7\u53d6\")\n        return cached_content.decode('utf-8')\n    \n    # \u7f13\u5b58\u4e2d\u6ca1\u6709\uff0c\u4ece\u7f51\u7edc\u83b7\u53d6\n    print(\"\u4ece\u7f51\u7edc\u83b7\u53d6\")\n    response = requests.get(url)\n    content = response.text\n    \n    # \u7f13\u5b581\u5c0f\u65f6\n    r.setex(cache_key, 3600, content)\n    return content\n\n# \u4f7f\u7528\u793a\u4f8b\nprint(get_page('https:\/\/example.com'))\nprint(get_page('https:\/\/example.com'))  # \u7b2c\u4e8c\u6b21\u4f1a\u4ece\u7f13\u5b58\u83b7\u53d6<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">8. \u4e8b\u52a1\u64cd\u4f5c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5f00\u59cb\u4e8b\u52a1\npipe = r.pipeline()\n\n# \u6dfb\u52a0\u591a\u4e2a\u64cd\u4f5c\npipe.set('counter', 0)\npipe.incr('counter')\npipe.incrby('counter', 4)\n\n# \u6267\u884c\u4e8b\u52a1\npipe.execute()\n\n# \u83b7\u53d6\u7ed3\u679c\nprint(r.get('counter'))  # \u8f93\u51fa: b'5'<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">9. Lua\u811a\u672c\u793a\u4f8b &#8211; \u5b9e\u73b0\u539f\u5b50\u64cd\u4f5c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5b9e\u73b0\u539f\u5b50\u6027\u7684\"\u6bd4\u8f83\u5e76\u8bbe\u7f6e\"\u64cd\u4f5c\nlua_script = \"\"\"\nlocal current = redis.call('GET', KEYS&#91;1])\nif current == ARGV&#91;1] then\n    redis.call('SET', KEYS&#91;1], ARGV&#91;2])\n    return 1\nelse\n    return 0\nend\n\"\"\"\n\n# \u6ce8\u518c\u811a\u672c\ncompare_set = r.register_script(lua_script)\n\n# \u4f7f\u7528\u811a\u672c\nr.set('status', 'active')\nresult = compare_set(keys=&#91;'status'], args=&#91;'active', 'inactive'])\nprint(result)  # \u8f93\u51fa: 1 (\u4fee\u6539\u6210\u529f)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">10. \u5730\u7406\u7a7a\u95f4(Geo)\u64cd\u4f5c &#8211; \u9644\u8fd1\u4f4d\u7f6e\u67e5\u8be2<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6dfb\u52a0\u5730\u7406\u4f4d\u7f6e\nr.geoadd('stores', \n         (116.404, 39.915, 'store1'),  # \u7ecf\u5ea6, \u7eac\u5ea6, \u540d\u79f0\n         (116.405, 39.916, 'store2'),\n         (116.406, 39.917, 'store3'))\n\n# \u67e5\u8be2\u9644\u8fd13\u516c\u91cc\u5185\u7684\u5546\u5e97\nprint(r.georadius('stores', 116.404, 39.915, 3, unit='km', withdist=True))\n# \u8f93\u51fa: &#91;(b'store1', 0.0), (b'store2', 0.1419), (b'store3', 0.2838)]<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><br>Redis \u57fa\u672c\u5168\u5c40\u547d\u4ee4\u8be6\u89e3<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Redis \u7684\u5168\u5c40\u547d\u4ee4\u662f\u53ef\u4ee5\u5bf9\u6240\u6709\u6570\u636e\u7c7b\u578b\u4f7f\u7528\u7684\u547d\u4ee4\uff0c\u4e0b\u9762\u6211\u7528\u901a\u4fd7\u6613\u61c2\u7684\u65b9\u5f0f\u4e3a\u4f60\u89e3\u91ca\u8fd9\u4e9b\u5e38\u7528\u547d\u4ee4\uff1a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u952e(Key)\u76f8\u5173\u547d\u4ee4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><code>KEYS pattern<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u67e5\u627e\u6240\u6709\u7b26\u5408\u7ed9\u5b9a\u6a21\u5f0f\u7684 key<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>KEYS user:*<\/code>\u00a0(\u67e5\u627e\u6240\u6709\u4ee5&#8221;user:&#8221;\u5f00\u5934\u7684\u952e)<\/li>\n\n\n\n<li><strong>\u6ce8\u610f<\/strong>\uff1a\u751f\u4ea7\u73af\u5883\u614e\u7528\uff0c\u6570\u636e\u91cf\u5927\u65f6\u4f1a\u963b\u585e\u670d\u52a1\u5668<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>EXISTS key<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u68c0\u67e5 key \u662f\u5426\u5b58\u5728<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>EXISITS name<\/code>\u00a0(\u68c0\u67e5&#8221;name&#8221;\u952e\u662f\u5426\u5b58\u5728)<\/li>\n\n\n\n<li><strong>\u8fd4\u56de<\/strong>\uff1a1(\u5b58\u5728) \u6216 0(\u4e0d\u5b58\u5728)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>DEL key [key ...]<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u5220\u9664\u4e00\u4e2a\u6216\u591a\u4e2a key<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>DEL name age<\/code>\u00a0(\u5220\u9664&#8221;name&#8221;\u548c&#8221;age&#8221;\u4e24\u4e2a\u952e)<\/li>\n\n\n\n<li><strong>\u8fd4\u56de<\/strong>\uff1a\u88ab\u5220\u9664 key \u7684\u6570\u91cf<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>TYPE key<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u8fd4\u56de key \u6240\u5b58\u50a8\u7684\u503c\u7684\u7c7b\u578b<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>TYPE user:1001<\/code><\/li>\n\n\n\n<li><strong>\u53ef\u80fd\u8fd4\u56de<\/strong>\uff1astring, hash, list, set, zset \u7b49<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>EXPIRE key seconds<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u4e3a key \u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4(\u79d2)<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>EXPIRE temp_session 60<\/code>\u00a0(60\u79d2\u540e\u81ea\u52a8\u5220\u9664)<\/li>\n\n\n\n<li><strong>\u76f8\u5173<\/strong>\uff1a<code>TTL key<\/code>\u00a0(\u67e5\u770b\u5269\u4f59\u65f6\u95f4),\u00a0<code>PERSIST key<\/code>\u00a0(\u79fb\u9664\u8fc7\u671f\u65f6\u95f4)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>RENAME key newkey<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u91cd\u547d\u540d key<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>RENAME old_name new_name<\/code><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u6570\u636e\u5e93\u76f8\u5173\u547d\u4ee4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><code>SELECT index<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u5207\u6362\u5230\u6307\u5b9a\u7684\u6570\u636e\u5e93(0-15)<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>SELECT 1<\/code>\u00a0(\u5207\u6362\u52301\u53f7\u6570\u636e\u5e93)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>FLUSHDB<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u6e05\u7a7a\u5f53\u524d\u6570\u636e\u5e93<\/li>\n\n\n\n<li><strong>\u6ce8\u610f<\/strong>\uff1a\u8fd9\u4e2a\u547d\u4ee4\u5f88\u5371\u9669\uff0c\u4f1a\u5220\u9664\u5f53\u524d\u6570\u636e\u5e93\u6240\u6709\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>FLUSHALL<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u6e05\u7a7a\u6240\u6709\u6570\u636e\u5e93<\/li>\n\n\n\n<li><strong>\u6ce8\u610f<\/strong>\uff1a\u6781\u5ea6\u5371\u9669\uff0c\u4f1a\u5220\u9664Redis\u4e2d\u6240\u6709\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u670d\u52a1\u5668\u76f8\u5173\u547d\u4ee4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><code>DBSIZE<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u8fd4\u56de\u5f53\u524d\u6570\u636e\u5e93\u7684 key \u6570\u91cf<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>DBSIZE<\/code>\u00a0(\u67e5\u770b\u5f53\u524d\u6570\u636e\u5e93\u6709\u591a\u5c11\u4e2akey)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>INFO [section]<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u83b7\u53d6 Redis \u670d\u52a1\u5668\u7684\u5404\u79cd\u4fe1\u606f\u548c\u7edf\u8ba1\u6570\u503c<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>INFO memory<\/code>\u00a0(\u67e5\u770b\u5185\u5b58\u76f8\u5173\u4fe1\u606f)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>CONFIG GET parameter<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u83b7\u53d6 Redis \u914d\u7f6e\u53c2\u6570<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>CONFIG GET maxmemory<\/code>\u00a0(\u67e5\u770b\u5185\u5b58\u9650\u5236\u914d\u7f6e)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>CONFIG SET parameter value<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u4fee\u6539 Redis \u914d\u7f6e(\u4e34\u65f6\u751f\u6548)<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>CONFIG SET maxmemory 100mb<\/code>\u00a0(\u8bbe\u7f6e\u5185\u5b58\u9650\u5236)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u8fde\u63a5\u76f8\u5173\u547d\u4ee4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><code>PING<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u6d4b\u8bd5\u8fde\u63a5\u662f\u5426\u6b63\u5e38<\/li>\n\n\n\n<li><strong>\u8fd4\u56de<\/strong>\uff1a<code>PONG<\/code>\u00a0(\u8868\u793a\u8fde\u63a5\u6b63\u5e38)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>ECHO message<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u6253\u5370\u7ed9\u5b9a\u7684\u5b57\u7b26\u4e32<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>ECHO \"Hello Redis\"<\/code><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>QUIT<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u5173\u95ed\u5f53\u524d\u8fde\u63a5<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u5b9e\u7528\u547d\u4ee4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><code>RANDOMKEY<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u968f\u673a\u8fd4\u56de\u5f53\u524d\u6570\u636e\u5e93\u7684\u4e00\u4e2a key<\/li>\n\n\n\n<li><strong>\u7528\u9014<\/strong>\uff1a\u53ef\u7528\u4e8e\u62bd\u6837\u68c0\u67e5\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>SCAN cursor [MATCH pattern] [COUNT count]<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u589e\u91cf\u8fed\u4ee3\u6570\u636e\u5e93\u4e2d\u7684 key (\u6bd4 KEYS \u66f4\u5b89\u5168)<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>SCAN 0 MATCH user:* COUNT 10<\/code><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>MOVE key db<\/code><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u5c06\u5f53\u524d\u6570\u636e\u5e93\u7684 key \u79fb\u52a8\u5230\u53e6\u4e00\u4e2a\u6570\u636e\u5e93<\/li>\n\n\n\n<li><strong>\u793a\u4f8b<\/strong>\uff1a<code>MOVE temp_data 1<\/code>\u00a0(\u79fb\u52a8\u52301\u53f7\u6570\u636e\u5e93)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u901a\u4fd7\u89e3\u91ca<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u628a Redis \u60f3\u8c61\u6210\u4e00\u4e2a\u6709\u5f88\u591a\u62bd\u5c49(\u6570\u636e\u5e93)\u7684\u5927\u67dc\u5b50\uff0c\u6bcf\u4e2a\u62bd\u5c49\u91cc\u653e\u7740\u5404\u79cd\u76d2\u5b50(key)\uff0c\u76d2\u5b50\u91cc\u88c5\u7740\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u627e\u4e1c\u897f<\/strong>\uff1a<code>KEYS<\/code>\u00a0\u662f\u6253\u5f00\u62bd\u5c49\u5927\u558a&#8221;\u8c01\u7684\u540d\u5b57\u4ee5A\u5f00\u5934\uff1f&#8221;\uff0c<code>SCAN<\/code>\u00a0\u662f\u6162\u6162\u7ffb\u627e<\/li>\n\n\n\n<li><strong>\u68c0\u67e5\u76d2\u5b50<\/strong>\uff1a<code>EXISTS<\/code>\u00a0\u770b\u76d2\u5b50\u662f\u5426\u5b58\u5728\uff0c<code>TYPE<\/code>\u00a0\u770b\u76d2\u5b50\u91cc\u88c5\u7684\u662f\u4ec0\u4e48\u7c7b\u578b\u7684\u4e1c\u897f<\/li>\n\n\n\n<li><strong>\u6e05\u7406<\/strong>\uff1a<code>DEL<\/code>\u00a0\u662f\u6254\u6389\u76d2\u5b50\uff0c<code>EXPIRE<\/code>\u00a0\u662f\u8bbe\u7f6e\u5b9a\u65f6\u81ea\u52a8\u6254\u6389<\/li>\n\n\n\n<li><strong>\u6574\u7406<\/strong>\uff1a<code>RENAME<\/code>\u00a0\u662f\u7ed9\u76d2\u5b50\u8d34\u65b0\u6807\u7b7e\uff0c<code>MOVE<\/code>\u00a0\u662f\u628a\u76d2\u5b50\u653e\u5230\u53e6\u4e00\u4e2a\u62bd\u5c49<\/li>\n\n\n\n<li><strong>\u5927\u626b\u9664<\/strong>\uff1a<code>FLUSHDB<\/code>\u00a0\u662f\u6e05\u7a7a\u4e00\u4e2a\u62bd\u5c49\uff0c<code>FLUSHALL<\/code>\u00a0\u662f\u628a\u6574\u4e2a\u67dc\u5b50\u6e05\u7a7a<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bb0\u4f4f\u8fd9\u4e9b\u547d\u4ee4\u5c31\u50cf\u8bb0\u4f4f\u6574\u7406\u623f\u95f4\u7684\u5de5\u5177\uff0c\u5408\u7406\u4f7f\u7528\u53ef\u4ee5\u8ba9\u4f60\u7684 Redis &#8220;\u623f\u95f4&#8221;\u4fdd\u6301\u6574\u6d01\u6709\u5e8f\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9a\u4e49\uff1aredis\u662f\u4e00\u4e2a\u5728\u5185\u5b58\u4e2d\u5b58\u50a8\u6570\u636e\u7684\u4e2d\u95f4\u4ef6\uff0c\u7528\u4f5c\u7f13\u5b58\/\u652f\u6301\u5206\u5e03\u5f0f\u7cfb\u7edf\u5e76\u5177\u5907\u826f\u597d\u7684\u6269\u5c55\u6027 \u6570\u636e\u7ed3\u6784\uff1a\u652f\u6301\u5b57\u7b26 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[29],"class_list":["post-244","post","type-post","status-publish","format-standard","hentry","category-text","tag-redis"],"_links":{"self":[{"href":"http:\/\/43.139.99.192\/index.php\/wp-json\/wp\/v2\/posts\/244","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/43.139.99.192\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/43.139.99.192\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/43.139.99.192\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/43.139.99.192\/index.php\/wp-json\/wp\/v2\/comments?post=244"}],"version-history":[{"count":2,"href":"http:\/\/43.139.99.192\/index.php\/wp-json\/wp\/v2\/posts\/244\/revisions"}],"predecessor-version":[{"id":248,"href":"http:\/\/43.139.99.192\/index.php\/wp-json\/wp\/v2\/posts\/244\/revisions\/248"}],"wp:attachment":[{"href":"http:\/\/43.139.99.192\/index.php\/wp-json\/wp\/v2\/media?parent=244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/43.139.99.192\/index.php\/wp-json\/wp\/v2\/categories?post=244"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/43.139.99.192\/index.php\/wp-json\/wp\/v2\/tags?post=244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}