redis\u6e90\u7801\u4ecemain\u5f00\u59cb9\u4e2d\u67e5\u770b\u4e86dbsize\u3001exists\u3001del\u547d\u4ee4\uff0c\u672c\u7ae0\u6211\u4eec\u6765\u770bredis\u7684\u5bf9\u8c61\u7c7b\u578b\uff0credis\u76ee\u524d\u67095\u79cd\u7c7b\u578b\uff0c\u5206\u522b\u4e3astring\u3001list\u3001set\u3001zset\u3001hash<\/p>\n\n\n\n
1.\u67e5\u8be2\u952e\u7c7b\u578b\ntype key\n\/\/ 127.0.0.1:6379> type aa\n\/\/ string\n\/\/ redis\u5bf9\u8c61\u6709\u4e94\u79cd\u7c7b\u578b\nvoid typeCommand(redisClient *c) {\n robj *o;\n char *type;\n\n o = lookupKeyRead(c->db,c->argv[1]);\n\n if (o == NULL) {\n type = \"none\";\n } else {\n switch(o->type) {\n case REDIS_STRING: type = \"string\"; break;\n case REDIS_LIST: type = \"list\"; break;\n case REDIS_SET: type = \"set\"; break;\n case REDIS_ZSET: type = \"zset\"; break;\n case REDIS_HASH: type = \"hash\"; break;\n default: type = \"unknown\"; break;\n }\n }\n\n addReplyStatus(c,type);\n}\n\n\/\/\u8fd9\u91cc\u77e5\u9053redis\u7684\u5bf9\u8c61\u4f1a\u6709\u4e94\u79cd\u7c7b\u578b,\u5206\u522b\u4e3astring\u3001list\u3001set\u3001zset\u3001hash\n\/* Object types *\/\n\/\/ \u5bf9\u8c61\u7c7b\u578b\n#define REDIS_STRING 0\n#define REDIS_LIST 1\n#define REDIS_SET 2\n#define REDIS_ZSET 3\n#define REDIS_HASH 4\n\n\/\/ 127.0.0.1:6379> set type_string sss\n\/\/ OK\n\/\/ 127.0.0.1:6379> lpush type_list 1\n\/\/ (integer) 1\n\/\/ 127.0.0.1:6379> sadd type_set 1\n\/\/ (integer) 1\n\/\/ 127.0.0.1:6379> zadd type_zset 100 a100\n\/\/ (integer) 1\n\/\/ 127.0.0.1:6379> hset type_hset aaa 100\n\/\/ (integer) 1\n\/\/ 127.0.0.1:6379> type type_string\n\/\/ string\n\/\/ 127.0.0.1:6379> type type_list\n\/\/ list\n\/\/ 127.0.0.1:6379> type type_set\n\/\/ set\n\/\/ 127.0.0.1:6379> type type_zset\n\/\/ zset\n\/\/ 127.0.0.1:6379> type type_hset\n\/\/ hash\n\/\/ 127.0.0.1:6379> \n\n<\/code><\/pre>\n\n\n\n\u57fa\u4e8e\u7248\u672c3.0.0\u7248\u672c,<\/a>\u70b9\u51fb\u4e0b\u8f7dhttps:\/\/download.redis.io\/releases\/redis-3.0.0.tar.gz<\/p>\n\n\n\n\u672c\u6587\u5730\u5740<\/a>\uff0chttps:\/\/www.ccagml.com\/?p=404<\/p>\n","protected":false},"excerpt":{"rendered":"redis\u6e90\u7801\u4ecemain\u5f00\u59cb9\u4e2d\u67e5\u770b\u4e86dbsize\u3001exists\u3001del\u547d\u4ee4\uff0c\u672c\u7ae0\u6211\u4eec\u6765\u770bredis\u7684\u5bf9\u8c61\u7c7b\u578bContinue reading redis\u6e90\u7801\u4ecemain\u5f00\u59cb10<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[31,22],"tags":[],"_links":{"self":[{"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/posts\/404"}],"collection":[{"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=404"}],"version-history":[{"count":2,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/posts\/404\/revisions"}],"predecessor-version":[{"id":406,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=\/wp\/v2\/posts\/404\/revisions\/406"}],"wp:attachment":[{"href":"https:\/\/www.ccagml.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ccagml.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}