{"id":44896,"date":"2024-12-01T14:47:25","date_gmt":"2024-12-01T06:47:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/44896\/"},"modified":"2024-12-01T14:47:25","modified_gmt":"2024-12-01T06:47:25","slug":"redis%e9%93%be%e8%a1%a8%e5%ba%95%e5%b1%82%e5%ae%9e%e7%8e%b0%e5%8f%8a%e7%94%9f%e4%ba%a7%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/44896\/","title":{"rendered":"Redis\u94fe\u8868\u5e95\u5c42\u5b9e\u73b0\u53ca\u751f\u4ea7\u5b9e\u6218"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u94fe\u8868\u5e95\u5c42\u5b9e\u73b0\u53ca\u751f\u4ea7\u5b9e\u6218<\/h1>\n

<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300aRedis\u94fe\u8868\u5e95\u5c42\u5b9e\u73b0\u53ca\u751f\u4ea7\u5b9e\u6218\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u6570\u636e\u5e93<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230redis\u94fe\u8868<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\u6570\u636e\u5e93<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n

Redis \u7684 List \u662f\u4e00\u4e2a\u53cc\u5411\u94fe\u8868\uff0c\u94fe\u8868\u4e2d\u7684\u6bcf\u4e2a\u8282\u70b9\u90fd\u5305\u542b\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u662fredis\u4e2d\u6700\u5e38\u7528\u7684\u6570\u636e\u7ed3\u6784\u4e4b\u4e00\uff0c\u4e0b\u9762\u8ddf\u5927\u5bb6\u5206\u4eab\u4e0bredis\u94fe\u8868\u7684\u5e95\u5c42\u5b9e\u73b0\u4ee5\u53ca\u751f\u4ea7\u5b9e\u6218\u3002<\/p>\n

\u5e95\u5c42\u5b9e\u73b0<\/h2>\n

\"Redis\u94fe\u8868\u5e95\u5c42\u5b9e\u73b0\u53ca\u751f\u4ea7\u5b9e\u6218\u63d2\u56fe\"<\/p>\n

Redis\u7684list\u6570\u636e\u7ed3\u6784\u5e95\u5c42\u5b9e\u73b0\u662f\u57fa\u4e8e\u53cc\u5411\u94fe\u8868\u5b9e\u73b0\u7684\u3002\u53cc\u5411\u94fe\u8868\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u7531\u4e00\u7cfb\u5217\u8282\u70b9\u7ec4\u6210\uff0c\u6bcf\u4e2a\u8282\u70b9\u90fd\u7531\u4e00\u4e2alistNode\u7ed3\u6784\u8868\u793a\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u4e00\u4e2a\u6307\u5411\u524d\u4e00\u4e2a\u8282\u70b9\u7684\u6307\u9488prev\u3001\u4e00\u4e2a\u6307\u5411\u540e\u4e00\u4e2a\u8282\u70b9\u7684\u6307\u9488next\u548c\u4e00\u4e2a\u5b58\u50a8\u503c\u7684\u6307\u9488value\u3002\u5728Redis\u4e2d\uff0c\u6bcf\u4e2a\u8282\u70b9\u4ee3\u8868\u4e00\u4e2a\u5143\u7d20\uff0c\u8282\u70b9\u4e4b\u95f4\u901a\u8fc7\u6307\u9488\u8fde\u63a5\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u4e2a\u53cc\u5411\u94fe\u8868\u3002<\/p>\n

\u53cc\u5411\u94fe\u8868\u7684\u597d\u5904\u662f\u53ef\u4ee5\u5feb\u901f\u5730\u5728\u5934\u90e8\u548c\u5c3e\u90e8\u8fdb\u884c\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u3002\u5728Redis\u4e2d\uff0c\u5f53\u4e00\u4e2a\u65b0\u7684\u5143\u7d20\u88ab\u63d2\u5165\u5230List\u7684\u5934\u90e8\u6216\u8005\u5c3e\u90e8\u65f6\uff0c\u53ea\u9700\u8981\u4fee\u6539\u65b0\u8282\u70b9\u7684prev\u548cnext\u6307\u9488\u4ee5\u53ca\u539f\u6765\u5934\u90e8\u6216\u5c3e\u90e8\u8282\u70b9\u7684prev\u6216next\u6307\u9488\u5373\u53ef\u5b8c\u6210\u63d2\u5165\u64cd\u4f5c\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002\u540c\u6837\u7684\uff0c\u5f53\u4e00\u4e2a\u5143\u7d20\u88ab\u5220\u9664\u65f6\uff0c\u53ea\u9700\u8981\u4fee\u6539\u524d\u4e00\u4e2a\u8282\u70b9\u7684next\u6307\u9488\u6216\u8005\u540e\u4e00\u4e2a\u8282\u70b9\u7684prev\u6307\u9488\u5373\u53ef\u5b8c\u6210\u5220\u9664\u64cd\u4f5c\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e5f\u4e3aO(1)\u3002<\/p>\n

\u9664\u4e86\u53cc\u5411\u94fe\u8868\uff0cRedis\u8fd8\u4f7f\u7528\u4e86\u4e00\u4e9b\u5176\u4ed6\u7684\u6280\u672f\u6765\u4f18\u5316List\u6570\u636e\u7ed3\u6784\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5f53List\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u8d85\u8fc7\u4e00\u5b9a\u9608\u503c\u65f6\uff0cRedis\u4f1a\u5c06List\u8f6c\u6362\u4e3a\u538b\u7f29\u5217\u8868\uff08zip list\uff09\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u5185\u5b58\u7684\u4f7f\u7528\u548c\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6\u3002\u5728\u5bf9List\u8fdb\u884c\u8fed\u4ee3\u64cd\u4f5c\u65f6\uff0cRedis\u4f7f\u7528\u4e86\u8fed\u4ee3\u5668\uff08iterator\uff09\u6765\u904d\u5386List\u4e2d\u7684\u5143\u7d20\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u904d\u5386\u8fc7\u7a0b\u4e2d\u5bf9List\u8fdb\u884c\u4fee\u6539\u800c\u5bfc\u81f4\u7684\u9519\u8bef\u3002<\/p>\n

\"Redis\u94fe\u8868\u5e95\u5c42\u5b9e\u73b0\u53ca\u751f\u4ea7\u5b9e\u6218\u63d2\u56fe1\"<\/p>\n

Redis\u7684list\u6570\u636e\u7ed3\u6784\u652f\u6301\u5728\u5934\u90e8\u6216\u5c3e\u90e8\u63d2\u5165\u6216\u5220\u9664\u5143\u7d20\uff0c\u4ee5\u53ca\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u6216\u5220\u9664\u5143\u7d20\u3002\u8fd9\u4e9b\u64cd\u4f5c\u90fd\u53ef\u4ee5\u5728\u5e38\u6570\u65f6\u95f4\u5185\u5b8c\u6210\uff0c\u56e0\u4e3aRedis\u7684\u53cc\u5411\u94fe\u8868\u5b9e\u73b0\u652f\u6301\u5feb\u901f\u8bbf\u95ee\u5934\u90e8\u548c\u5c3e\u90e8\u8282\u70b9\uff0c\u4ee5\u53ca\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u548c\u5220\u9664\u8282\u70b9\u3002<\/p>\n

\"Redis\u94fe\u8868\u5e95\u5c42\u5b9e\u73b0\u53ca\u751f\u4ea7\u5b9e\u6218\u63d2\u56fe2\"<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684Redis list\u64cd\u4f5c\u53ca\u5176\u65f6\u95f4\u590d\u6742\u5ea6\uff1a<\/p>\n

    \n
  • LPUSH\uff1a\u5728\u5934\u90e8\u63d2\u5165\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002<\/li>\n
  • RPUSH\uff1a\u5728\u5c3e\u90e8\u63d2\u5165\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002<\/li>\n
  • LPOP\uff1a\u5220\u9664\u5934\u90e8\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002<\/li>\n
  • RPOP\uff1a\u5220\u9664\u5c3e\u90e8\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002<\/li>\n
  • LINDEX\uff1a\u8bbf\u95ee\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\u3002<\/li>\n
  • LINSERT\uff1a\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\u3002<\/li>\n
  • LREM\uff1a\u5220\u9664\u6307\u5b9a\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\u3002<\/li>\n<\/ul>\n

    \"Redis\u94fe\u8868\u5e95\u5c42\u5b9e\u73b0\u53ca\u751f\u4ea7\u5b9e\u6218\u63d2\u56fe3\"<\/p>\n

    \u4ee5\u4e0a\u56fe\u7247\u8f6c\u8f7d\u81f3\u9ec4\u5efa\u5b8f\u7684\u300aRedis\u8bbe\u8ba1\u4e0e\u5b9e\u6218\u300bpdf\u3002<\/p>\n

    \u6e90\u7801\u5b9e\u73b0<\/h2>\n

    Redis List\u6570\u636e\u7ed3\u6784\u7684\u5e95\u5c42\u4ee3\u7801\u5b9e\u73b0demo\uff0c\u4f7f\u7528C\u8bed\u8a00\u5b9e\u73b0\uff1a<\/p>\n

    typedef struct listNode {\n    struct listNode *prev;\n    struct listNode *next;\n    void *value;\n} listNode;\n\ntypedef struct list {\n    listNode *head;\n    listNode *tail;\n    unsigned long len;\n} list;\n\nlist *listCreate(void) {\n    list *l;\n\n    if ((l = malloc(sizeof(*l))) == NULL) return NULL;\n    l->head = l->tail = NULL;\n    l->len = 0;\n    return l;\n}\n\nvoid listRelease(list *list) {\n    unsigned long len;\n    listNode *current, *next;\n\n    current = list->head;\n    len = list->len;\n    while(len--) {\n        next = current->next;\n        free(current);\n        current = next;\n    }\n    free(list);\n}\n\nlistNode *listAddNodeHead(list *list, void *value) {\n    listNode *node;\n\n    if ((node = malloc(sizeof(*node))) == NULL) return NULL;\n    node->value = value;\n    if (list->len == 0) {\n        list->head = list->tail = node;\n        node->prev = node->next = NULL;\n    } else {\n        node->prev = NULL;\n        node->next = list->head;\n        list->head->prev = node;\n        list->head = node;\n    }\n    list->len++;\n    return node;\n}\n\nlistNode *listAddNodeTail(list *list, void *value) {\n    listNode *node;\n\n    if ((node = malloc(sizeof(*node))) == NULL) return NULL;\n    node->value = value;\n    if (list->len == 0) {\n        list->head = list->tail = node;\n        node->prev = node->next = NULL;\n    } else {\n        node->prev = list->tail;\n        node->next = NULL;\n        list->tail->next = node;\n        list->tail = node;\n    }\n    list->len++;\n    return node;\n}\n\nvoid listDelNode(list *list, listNode *node) {\n    if (node->prev)\n        node->prev->next = node->next;\n    else\n        list->head = node->next;\n    if (node->next)\n        node->next->prev = node->prev;\n    else\n        list->tail = node->prev;\n    free(node);\n    list->len--;\n}\n<\/pre>\n
    \u4ee5\u4e0a\u4ee3\u7801\u5b9e\u73b0\u4e86List\u6570\u636e\u7ed3\u6784\u7684\u57fa\u672c\u64cd\u4f5c\uff0c\u5305\u62ec\u521b\u5efaList\u3001\u91ca\u653eList\u3001\u5728\u5934\u90e8\u548c\u5c3e\u90e8\u63d2\u5165\u5143\u7d20\u4ee5\u53ca\u5220\u9664\u5143\u7d20\u3002\u8fd9\u4e9b\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u90fd\u4e3aO(1)\u3002<\/p>\n
    \u751f\u4ea7\u5b9e\u6218\u5999\u7528<\/h2>\n
    Redis List \u6570\u636e\u7ed3\u6784\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u6709\u5f88\u591a\u5999\u7528\uff1a<\/p>\n
      \n
    • \u6d88\u606f\u961f\u5217\uff1aRedis List \u53ef\u4ee5\u7528\u4f5c\u6d88\u606f\u961f\u5217\uff0c\u751f\u4ea7\u8005\u5c06\u6d88\u606f push \u5230 List \u4e2d\uff0c\u6d88\u8d39\u8005\u901a\u8fc7 blpop\u3001brpop \u7b49\u547d\u4ee4\u963b\u585e\u5f0f\u5730\u83b7\u53d6\u6d88\u606f\u5e76\u8fdb\u884c\u5904\u7406\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u7b80\u5355\u7684\u6d88\u606f\u961f\u5217\u3002<\/li>\n
    • \u6392\u884c\u699c\uff1aRedis List \u7684 push \u548c pop \u64cd\u4f5c\u90fd\u662f O(1) \u7684\u65f6\u95f4\u590d\u6742\u5ea6\uff0c\u53ef\u4ee5\u5c06\u7528\u6237\u7684\u5206\u6570\u4f5c\u4e3a\u503c\u5b58\u50a8\u5728 List \u4e2d\uff0c\u7136\u540e\u901a\u8fc7 lrange \u547d\u4ee4\u83b7\u53d6\u6392\u884c\u699c\u3002<\/li>\n
    • \u6700\u8fd1\u8054\u7cfb\u4eba\u5217\u8868\uff1a\u53ef\u4ee5\u5c06\u7528\u6237\u6700\u8fd1\u8054\u7cfb\u4eba\u7684 ID \u5b58\u50a8\u5728 List \u4e2d\uff0c\u6bcf\u5f53\u7528\u6237\u4e0e\u67d0\u4e2a\u8054\u7cfb\u4eba\u8fdb\u884c\u4ea4\u4e92\u65f6\uff0c\u5c06\u8be5\u8054\u7cfb\u4eba\u7684 ID \u79fb\u52a8\u5230 List \u7684\u5934\u90e8\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u901a\u8fc7 lrange \u547d\u4ee4\u83b7\u53d6\u7528\u6237\u6700\u8fd1\u8054\u7cfb\u4eba\u5217\u8868\u3002<\/li>\n
    • \u5206\u9875\u67e5\u8be2\uff1a\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728 List \u4e2d\uff0c\u7136\u540e\u4f7f\u7528 lrange \u547d\u4ee4\u8fdb\u884c\u5206\u9875\u67e5\u8be2\u3002<\/li>\n
    • \u6162\u65e5\u5fd7\uff1aRedis \u53ef\u4ee5\u8bb0\u5f55\u6267\u884c\u65f6\u95f4\u8d85\u8fc7\u4e00\u5b9a\u9608\u503c\u7684\u547d\u4ee4\uff0c\u5c06\u8fd9\u4e9b\u547d\u4ee4\u7684\u4fe1\u606f\u5b58\u50a8\u5728 List \u4e2d\uff0c\u901a\u8fc7 lrange \u547d\u4ee4\u83b7\u53d6\u6162\u65e5\u5fd7\u4fe1\u606f\u3002<\/li>\n
    • \u804a\u5929\u5ba4\uff1a\u53ef\u4ee5\u5c06\u804a\u5929\u5ba4\u4e2d\u7684\u6d88\u606f\u5b58\u50a8\u5728 List \u4e2d\uff0c\u6bcf\u5f53\u6709\u65b0\u6d88\u606f\u65f6\uff0c\u5c06\u5176 push \u5230 List \u4e2d\uff0c\u7136\u540e\u901a\u8fc7 lrange \u547d\u4ee4\u83b7\u53d6\u6700\u65b0\u7684\u6d88\u606f\u3002<\/li>\n
    • \u4efb\u52a1\u961f\u5217\uff1a\u53ef\u4ee5\u5c06\u9700\u8981\u6267\u884c\u7684\u4efb\u52a1\u5b58\u50a8\u5728 List \u4e2d\uff0c\u7136\u540e\u901a\u8fc7 lpop \u547d\u4ee4\u83b7\u53d6\u4efb\u52a1\u5e76\u6267\u884c\u3002<\/li>\n
    • \u5b9e\u65f6\u6570\u636e\u7edf\u8ba1\uff1a\u53ef\u4ee5\u5c06\u5b9e\u65f6\u6570\u636e\u5b58\u50a8\u5728 List \u4e2d\uff0c\u7136\u540e\u901a\u8fc7 lrange \u547d\u4ee4\u83b7\u53d6\u4e00\u5b9a\u65f6\u95f4\u8303\u56f4\u5185\u7684\u6570\u636e\uff0c\u5e76\u8fdb\u884c\u7edf\u8ba1\u5206\u6790\u3002<\/li>\n
    • \u961f\u5217\u5ef6\u8fdf\u5904\u7406\uff1a\u53ef\u4ee5\u5c06\u9700\u8981\u5ef6\u8fdf\u5904\u7406\u7684\u4efb\u52a1\u5b58\u50a8\u5728 List \u4e2d\uff0c\u540c\u65f6\u5c06\u4efb\u52a1\u7684\u6267\u884c\u65f6\u95f4\u4f5c\u4e3a score \u5b58\u50a8\u5728 Sorted Set \u4e2d\uff0c\u7136\u540e\u4f7f\u7528 Redis \u7684\u5b9a\u65f6\u4efb\u52a1\u529f\u80fd\uff0c\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u5c31\u5c06 Sorted Set \u4e2d\u8fc7\u671f\u7684\u4efb\u52a1\u79fb\u52a8\u5230 List \u4e2d\uff0c\u7136\u540e\u901a\u8fc7 lpop \u547d\u4ee4\u83b7\u53d6\u4efb\u52a1\u5e76\u6267\u884c\u3002<\/li>\n
    • \u65e5\u5fd7\u6536\u96c6\uff1a\u53ef\u4ee5\u5c06\u5e94\u7528\u7a0b\u5e8f\u7684\u65e5\u5fd7\u4fe1\u606f\u5b58\u50a8\u5728 List \u4e2d\uff0c\u7136\u540e\u901a\u8fc7 lrange \u547d\u4ee4\u83b7\u53d6\u65e5\u5fd7\u4fe1\u606f\u8fdb\u884c\u5206\u6790\u548c\u5904\u7406\u3002<\/li>\n<\/ul>\n
      \u5b9e\u6218\u5b9e\u4f8b<\/h2>\n
      \u57fa\u4e8e Redis List \u6570\u636e\u7ed3\u6784\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u7684 Java \u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
      import redis.clients.jedis.Jedis;\n\npublic class RedisMessageQueue {\n    private Jedis jedis;\n    private String queueKey;\n\n    public RedisMessageQueue(Jedis jedis, String queueKey) {\n        this.jedis = jedis;\n        this.queueKey = queueKey;\n    }\n\n    public void enqueue(String message) {\n        jedis.rpush(queueKey, message);\n    }\n\n    public String dequeue() {\n        return jedis.lpop(queueKey);\n    }\n}\n<\/pre>\n
      \u793a\u4f8b\u4e2d\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2a RedisMessageQueue \u7c7b\uff0c\u5305\u542b\u4e00\u4e2a Jedis \u5bf9\u8c61\u548c\u4e00\u4e2a\u961f\u5217\u952e\u540d queueKey\u3002enqueue \u65b9\u6cd5\u7528\u4e8e\u5c06\u6d88\u606f push \u5230\u961f\u5217\u4e2d\uff0cdequeue \u65b9\u6cd5\u7528\u4e8e\u4ece\u961f\u5217\u4e2d\u83b7\u53d6\u6d88\u606f\u5e76\u5c06\u5176 pop \u51fa\u6765\uff0c\u4f7f\u7528\u8be5\u7c7b\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u529f\u80fd\u3002<\/p>\n
      \u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n
      import redis.clients.jedis.Jedis;\n\npublic class TestRedisMessageQueue {\n    public static void main(String[] args) {\n        Jedis jedis = new Jedis(\"localhost\");\n        RedisMessageQueue queue = new RedisMessageQueue(jedis, \"myqueue\");\n\n        \/\/ \u751f\u4ea7\u8005\u5411\u961f\u5217\u4e2d\u6dfb\u52a0\u6d88\u606f\n        queue.enqueue(\"Hello, Redis!\");\n        queue.enqueue(\"How are you?\");\n\n        \/\/ \u6d88\u8d39\u8005\u4ece\u961f\u5217\u4e2d\u83b7\u53d6\u6d88\u606f\n        String message = queue.dequeue();\n        while (message != null) {\n            System.out.println(\"Received message: \" + message);\n            message = queue.dequeue();\n        }\n    }\n}\n<\/pre>\n
      \u521b\u5efa\u4e86\u4e00\u4e2a RedisMessageQueue \u5bf9\u8c61\uff0c\u5e76\u5411\u961f\u5217\u4e2d\u6dfb\u52a0\u4e86\u4e24\u6761\u6d88\u606f\u3002\u7136\u540e\u4f7f\u7528 dequeue \u65b9\u6cd5\u4ece\u961f\u5217\u4e2d\u83b7\u53d6\u6d88\u606f\uff0c\u5e76\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u4e2d\u3002<\/p>\n
      \u8be5\u793a\u4f8b\u4ee3\u7801\u4ec5\u4e3a\u6f14\u793a Redis List \u6570\u636e\u7ed3\u6784\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u7684\u601d\u8def\uff0c\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u4e2d\u9700\u8981\u8003\u8651\u66f4\u591a\u7684\u7ec6\u8282\u95ee\u9898\uff0c\u4f8b\u5982\u5982\u4f55\u5904\u7406\u6d88\u606f\u91cd\u590d\u3001\u5982\u4f55\u4fdd\u8bc1\u6d88\u606f\u7684\u53ef\u9760\u6027\u7b49\u7b49\u3002<\/p>\n
      Redis \u804a\u5929\u5ba4\u793a\u4f8b<\/h2>\n
      import redis.clients.jedis.Jedis;\nimport redis.clients.jedis.JedisPubSub;\n\nimport java.util.Scanner;\n\npublic class RedisChatRoom {\n    private Jedis jedis;\n    private String channel;\n    private String chatListKey;\n\n    public RedisChatRoom(Jedis jedis, String channel, String chatListKey) {\n        this.jedis = jedis;\n        this.channel = channel;\n        this.chatListKey = chatListKey;\n    }\n\n    public void start() {\n        \/\/ \u8ba2\u9605 Redis \u9891\u9053\n        jedis.subscribe(new JedisPubSub() {\n            @Override\n            public void onMessage(String channel, String message) {\n                System.out.println(\"Received message: \" + message);\n                \/\/ \u5c06\u6d88\u606f\u6dfb\u52a0\u5230\u804a\u5929\u5217\u8868\u4e2d\n                jedis.rpush(chatListKey, message);\n            }\n        }, channel);\n\n        \/\/ \u53d1\u5e03\u6d88\u606f\u5230 Redis \u9891\u9053\n        Scanner scanner = new Scanner(System.in);\n        while (true) {\n            System.out.print(\"Enter message: \");\n            String message = scanner.nextLine();\n            jedis.publish(channel, message);\n        }\n    }\n\n    public void printChatList() {\n        \/\/ \u83b7\u53d6\u804a\u5929\u5217\u8868\u4e2d\u7684\u6240\u6709\u6d88\u606f\u5e76\u8f93\u51fa\u5230\u63a7\u5236\u53f0\n        System.out.println(\"Chat list:\");\n        for (String message : jedis.lrange(chatListKey, 0, -1)) {\n            System.out.println(message);\n        }\n    }\n}\n<\/pre>\n
      \u793a\u4f8b\u4e2d\uff0cRedisChatRoom \u7c7b\u4e2d\u6dfb\u52a0\u4e86\u4e00\u4e2a\u804a\u5929\u5217\u8868 chatListKey\uff0c\u7528\u4e8e\u5b58\u50a8\u804a\u5929\u5ba4\u4e2d\u7684\u6240\u6709\u6d88\u606f\u3002\u5728\u8ba2\u9605 Redis \u9891\u9053\u65f6\uff0c\u901a\u8fc7 JedisPubSub \u7684 onMessage \u65b9\u6cd5\u5c06\u6536\u5230\u7684\u6d88\u606f\u6dfb\u52a0\u5230\u804a\u5929\u5217\u8868\u4e2d\u3002\u5728 printChatList \u65b9\u6cd5\u4e2d\uff0c\u901a\u8fc7 lrange \u547d\u4ee4\u83b7\u53d6\u804a\u5929\u5217\u8868\u4e2d\u7684\u6240\u6709\u6d88\u606f\uff0c\u5e76\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u4e2d\u3002<\/p>\n
      \u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n
      import redis.clients.jedis.Jedis;\n\npublic class TestRedisChatRoom {\n    public static void main(String[] args) {\n        Jedis jedis = new Jedis(\"localhost\");\n        RedisChatRoom chatRoom = new RedisChatRoom(jedis, \"mychannel\", \"mychatlist\");\n        chatRoom.start();\n        chatRoom.printChatList();\n    }\n}\n<\/pre>\n
      \u521b\u5efa\u4e86\u4e00\u4e2a RedisChatRoom \u5bf9\u8c61\uff0c\u5e76\u6307\u5b9a\u4e86\u9891\u9053\u540d\u4e3a mychannel \u548c\u804a\u5929\u5217\u8868\u952e\u540d\u4e3a mychatlist\u3002\u7136\u540e\u8c03\u7528 start \u65b9\u6cd5\uff0c\u5f00\u59cb\u8ba2\u9605 Redis \u9891\u9053\u5e76\u53d1\u5e03\u6d88\u606f\u3002\u6700\u540e\u8c03\u7528 printChatList \u65b9\u6cd5\uff0c\u83b7\u53d6\u804a\u5929\u5217\u8868\u4e2d\u7684\u6240\u6709\u6d88\u606f\u5e76\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u4e2d\u3002<\/p>\n
      \u8be5\u793a\u4f8b\u4ec5\u4ec5\u7b80\u5355\u6f14\u793a Redis List \u6570\u636e\u7ed3\u6784\u5b9e\u73b0\u804a\u5929\u5ba4\u7684\u601d\u8def\uff0c\u5b9e\u9645\u9879\u76ee\u4e2d\u9700\u8981\u66f4\u5468\u5168\u7684\u8bbe\u8ba1\u4ee5\u53ca\u8003\u8651\u3002<\/p>\n
      \u603b\u7ed3<\/h2>\n
      Redis List \u6570\u636e\u7ed3\u6784\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u5e7f\u6cdb\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\u8fdb\u884c\u7075\u6d3b\u5e94\u7528\u3002<\/p>\n
      \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aRedis\u94fe\u8868\u5e95\u5c42\u5b9e\u73b0\u53ca\u751f\u4ea7\u5b9e\u6218\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
         \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1a\u811a\u672c\u4e4b\u5bb6 \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb \u5220\u9664  <\/p>\n
      \n
      \n <\/dt>\n
      \n   Golang\u4e2d\u7531\u96f6\u503c\u548cgob\u5e93\u7279\u6027\u5f15\u8d77BUG\u89e3\u6790\n <\/dd>\n<\/dl>\n
      \n
      \n <\/dt>\n
      \n   \u4e00\u6587\u8be6\u89e3Go\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      Redis\u94fe\u8868\u5e95\u5c42\u5b9e\u73b0\u53ca\u751f\u4ea7\u5b9e\u6218 0\u6d4f\u89c8 \u6536\u85cf \u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300aRedis\u94fe\u8868\u5e95\u5c42\u5b9e\u73b0\u53ca\u751f\u4ea7\u5b9e\u6218\u300b\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u6570\u636e\u5e93\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230redis\u94fe\u8868\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\u6570\u636e\u5e93\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01 Redis \u7684 List \u662f\u4e00\u4e2a\u53cc\u5411\u94fe\u8868\uff0c\u94fe\u8868\u4e2d\u7684\u6bcf\u4e2a\u8282\u70b9\u90fd\u5305\u542b\u4e86\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u662fredis\u4e2d\u6700\u5e38\u7528\u7684\u6570\u636e\u7ed3\u6784\u4e4b\u4e00\uff0c\u4e0b\u9762\u8ddf\u5927\u5bb6\u5206\u4eab\u4e0bredis\u94fe\u8868\u7684\u5e95\u5c42\u5b9e\u73b0\u4ee5\u53ca\u751f\u4ea7\u5b9e\u6218\u3002 \u5e95\u5c42\u5b9e\u73b0 Redis\u7684list\u6570\u636e\u7ed3\u6784\u5e95\u5c42\u5b9e\u73b0\u662f\u57fa\u4e8e\u53cc\u5411\u94fe\u8868\u5b9e\u73b0\u7684\u3002\u53cc\u5411\u94fe\u8868\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u7531\u4e00\u7cfb\u5217\u8282\u70b9\u7ec4\u6210\uff0c\u6bcf\u4e2a\u8282\u70b9\u90fd\u7531\u4e00\u4e2alistNode\u7ed3\u6784\u8868\u793a\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u4e00\u4e2a\u6307\u5411\u524d\u4e00\u4e2a\u8282\u70b9\u7684\u6307\u9488prev\u3001\u4e00\u4e2a\u6307\u5411\u540e\u4e00\u4e2a\u8282\u70b9\u7684\u6307\u9488next\u548c\u4e00\u4e2a\u5b58\u50a8\u503c\u7684\u6307\u9488value\u3002\u5728Redis\u4e2d\uff0c\u6bcf\u4e2a\u8282\u70b9\u4ee3\u8868\u4e00\u4e2a\u5143\u7d20\uff0c\u8282\u70b9\u4e4b\u95f4\u901a\u8fc7\u6307\u9488\u8fde\u63a5\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u4e2a\u53cc\u5411\u94fe\u8868\u3002 \u53cc\u5411\u94fe\u8868\u7684\u597d\u5904\u662f\u53ef\u4ee5\u5feb\u901f\u5730\u5728\u5934\u90e8\u548c\u5c3e\u90e8\u8fdb\u884c\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u3002\u5728Redis\u4e2d\uff0c\u5f53\u4e00\u4e2a\u65b0\u7684\u5143\u7d20\u88ab\u63d2\u5165\u5230List\u7684\u5934\u90e8\u6216\u8005\u5c3e\u90e8\u65f6\uff0c\u53ea\u9700\u8981\u4fee\u6539\u65b0\u8282\u70b9\u7684prev\u548cnext\u6307\u9488\u4ee5\u53ca\u539f\u6765\u5934\u90e8\u6216\u5c3e\u90e8\u8282\u70b9\u7684prev\u6216next\u6307\u9488\u5373\u53ef\u5b8c\u6210\u63d2\u5165\u64cd\u4f5c\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002\u540c\u6837\u7684\uff0c\u5f53\u4e00\u4e2a\u5143\u7d20\u88ab\u5220\u9664\u65f6\uff0c\u53ea\u9700\u8981\u4fee\u6539\u524d\u4e00\u4e2a\u8282\u70b9\u7684next\u6307\u9488\u6216\u8005\u540e\u4e00\u4e2a\u8282\u70b9\u7684prev\u6307\u9488\u5373\u53ef\u5b8c\u6210\u5220\u9664\u64cd\u4f5c\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e5f\u4e3aO(1)\u3002 \u9664\u4e86\u53cc\u5411\u94fe\u8868\uff0cRedis\u8fd8\u4f7f\u7528\u4e86\u4e00\u4e9b\u5176\u4ed6\u7684\u6280\u672f\u6765\u4f18\u5316List\u6570\u636e\u7ed3\u6784\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5f53List\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u8d85\u8fc7\u4e00\u5b9a\u9608\u503c\u65f6\uff0cRedis\u4f1a\u5c06List\u8f6c\u6362\u4e3a\u538b\u7f29\u5217\u8868\uff08zip list\uff09\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u5185\u5b58\u7684\u4f7f\u7528\u548c\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6\u3002\u5728\u5bf9List\u8fdb\u884c\u8fed\u4ee3\u64cd\u4f5c\u65f6\uff0cRedis\u4f7f\u7528\u4e86\u8fed\u4ee3\u5668\uff08iterator\uff09\u6765\u904d\u5386List\u4e2d\u7684\u5143\u7d20\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u904d\u5386\u8fc7\u7a0b\u4e2d\u5bf9List\u8fdb\u884c\u4fee\u6539\u800c\u5bfc\u81f4\u7684\u9519\u8bef\u3002 Redis\u7684list\u6570\u636e\u7ed3\u6784\u652f\u6301\u5728\u5934\u90e8\u6216\u5c3e\u90e8\u63d2\u5165\u6216\u5220\u9664\u5143\u7d20\uff0c\u4ee5\u53ca\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u6216\u5220\u9664\u5143\u7d20\u3002\u8fd9\u4e9b\u64cd\u4f5c\u90fd\u53ef\u4ee5\u5728\u5e38\u6570\u65f6\u95f4\u5185\u5b8c\u6210\uff0c\u56e0\u4e3aRedis\u7684\u53cc\u5411\u94fe\u8868\u5b9e\u73b0\u652f\u6301\u5feb\u901f\u8bbf\u95ee\u5934\u90e8\u548c\u5c3e\u90e8\u8282\u70b9\uff0c\u4ee5\u53ca\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u548c\u5220\u9664\u8282\u70b9\u3002 \u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684Redis list\u64cd\u4f5c\u53ca\u5176\u65f6\u95f4\u590d\u6742\u5ea6\uff1a LPUSH\uff1a\u5728\u5934\u90e8\u63d2\u5165\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002 RPUSH\uff1a\u5728\u5c3e\u90e8\u63d2\u5165\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002 LPOP\uff1a\u5220\u9664\u5934\u90e8\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002 RPOP\uff1a\u5220\u9664\u5c3e\u90e8\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002 LINDEX\uff1a\u8bbf\u95ee\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\u3002 LINSERT\uff1a\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\u3002 LREM\uff1a\u5220\u9664\u6307\u5b9a\u5143\u7d20\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\u3002 \u4ee5\u4e0a\u56fe\u7247\u8f6c\u8f7d\u81f3\u9ec4\u5efa\u5b8f\u7684\u300aRedis\u8bbe\u8ba1\u4e0e\u5b9e\u6218\u300bpdf\u3002 \u6e90\u7801\u5b9e\u73b0 Redis List\u6570\u636e\u7ed3\u6784\u7684\u5e95\u5c42\u4ee3\u7801\u5b9e\u73b0demo\uff0c\u4f7f\u7528C\u8bed\u8a00\u5b9e\u73b0\uff1a typedef struct listNode { struct listNode *prev; struct listNode *next; void *value; } listNode; typedef struct list { listNode *head; listNode *tail; unsigned long len; } list; list […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-44896","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/44896","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=44896"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/44896\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=44896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=44896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=44896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}