Redis\u662f\u4e00\u79cd\u952e\u503c\u578b\u7684\u5185\u5b58\u6570\u636e\u5e93\u3002\u7531\u4e8e\u662f\u5185\u5b58\u6570\u636e\u5e93\uff0c\u6570\u636e\u4e0d\u4f1a\u6301\u4e45\u5316\uff0c\u4f46\u662f\u53ef\u4ee5\u6bd4MySQL\u7b49\u6570\u636e\u5e93\u66f4\u5feb\u5730\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u3002\u5728\u952e\u503c\u5bf9\u7684Value\u4e2d\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u3001\u96c6\u5408\u7b49\u5404\u79cd\u6570\u636e\u7ed3\u6784\u3002<\/p>\n
Sorted sets\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5176\u7279\u70b9\u662f\u6309\u7167\u67d0\u4e2a\u89c4\u5219\u8fdb\u884c\u6392\u5e8f\u3002
\n\u4f5c\u4e3a\u503c\uff0c\u5b83\u4fdd\u5b58\u4ee5\u4e0b\u4e24\u4e2a\u4fe1\u606f\u3002<\/p>\n
<\/p>\n
\u4fdd\u5b58\u7684\u4fe1\u606f\u5c06\u6839\u636e\u4ee5\u4e0b\u89c4\u5219\u8fdb\u884c\u6392\u5e8f\u3002
\n\u5bf9\u4e8eA\u548cB\uff0c<\/p>\n
<\/p>\n
\u5728\u8fd9\u91cc\uff0c\u7531\u4e8eMember\u662f\u552f\u4e00\u7684\uff0c\u6309\u7167\u4e0a\u8ff0\u89c4\u5219\uff0c\u6392\u5e8f\u987a\u5e8f\u5c06\u786e\u5b9a\u552f\u4e00\u3002<\/p>\n
\u6bd4\u5982\uff0c\u8003\u8651\u5728\u67d0\u4e2a\u952e\u4e0a\u4fdd\u5b58\u4ee5\u4e0b\u7684\u503c\u7684\u60c5\u51b5\u3002<\/p>\n
{Member: \"user1\", Score: 100}\r\n{Member: \"user2\", Score: 90}\r\n{Member: \"user3\", Score: 100}\r\n<\/code><\/pre>\n\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b83\u5c06\u88ab\u6392\u5e8f\u5e76\u4fdd\u5b58\u5982\u4e0b\u3002<\/p>\n
{Member: \"user2\", Score: 90}\r\n{Member: \"user1\", Score: 100}\r\n{Member: \"user3\", Score: 100}\r\n<\/code><\/pre>\n\u5b9e\u65bd\u6392\u540d\u529f\u80fd<\/h1>\n
\u4ee5\u4e0b\u662f\u4f7f\u7528Go\u8bed\u8a00\u8fdb\u884c\u5b9e\u73b0\u7684\uff0cGo\u8bed\u8a00\u7684Redis\u5ba2\u6237\u7aef\u5c06\u4f7f\u7528go-redis\u3002\u8003\u8651\u5c06\u4ee5\u4e0b\u4e09\u79cd\u4fe1\u606f\u4f5c\u4e3a\u6392\u540d\u4fe1\u606f\u4fdd\u7559\u3002<\/p>\n
type<\/span> User<\/span> struct<\/span> {<\/span>\r\n\tID<\/span> string<\/span>\r\n\tName<\/span> string<\/span>\r\n\tHighScore<\/span> int<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n\u8bf7\u53c2\u8003\u4e0b\u9762\u7684\u4ee3\u7801\uff0c\u8fd9\u91cc\u90fd\u6709\u63d0\u4f9b\u3002<\/p>\n
\u52a0\u5165\u6392\u540d<\/h2>\n
\u603b\u4f53\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n
\n- \n
\u5c06\u8981\u4fdd\u5b58\u7684Member\u6570\u636e\u7f16\u7801\u4e3aJSON\u5b57\u7b26\u4e32<\/ol>\n<\/li>\n<\/ol>\n\u4f7f\u7528ZADD\u547d\u4ee4\u5c06\u6570\u636e\u6dfb\u52a0\u5230Sorted sets\u4e2d<\/p>\n
\u5c06\u6587\u672c\u7f16\u7801\u4e3aJSON\u5b57\u7b26\u4e32<\/h3>\n
\u4e3a\u4e86\u4fdd\u5b58\u8fd9\u6b21\u7684Member\u6570\u636e\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u5305\u542bID\u548cName\u7684\u7ed3\u6784\u4f53\u3002<\/p>\n
\/\/ userID\u3068userName\u3092\u6301\u3063\u305f\u69cb\u9020\u4f53(json\u6587\u5b57\u5217\u306b\u3057\u3066\u6271\u3046)<\/span>\r\ntype<\/span> Member<\/span> struct<\/span> {<\/span>\r\n\tID<\/span> string<\/span> `json:\"id\"`<\/span>\r\n\tName<\/span> string<\/span> `json:\"name\"`<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n\u800c\u4e14\uff0c\u53ea\u9700\u4f7f\u7528encoding\/json.Marshal\u5c06\u5176\u8f6c\u6362\u4e3aJSON\u5b57\u7b26\u4e32\u5373\u53ef\u3002<\/p>\n
member<\/span> :=<\/span> &<\/span>Member<\/span>{<\/span>\r\n\tID<\/span>:<\/span> id<\/span>,<\/span>\r\n\tName<\/span>:<\/span> name<\/span>,<\/span>\r\n}<\/span>\r\n\/\/ member\u3092serialize\u3059\u308b<\/span>\r\nserializedMember<\/span>,<\/span> err<\/span> :=<\/span> json<\/span>.<\/span>Marshal<\/span>(<\/span>member<\/span>)<\/span>\r\n<\/code><\/pre>\nZADD\u547d\u4ee4<\/h3>\n
\u5728go-redis\u4e2d\uff0c\u5b9a\u4e49\u4e86\u4ee5\u4e0b\u65b9\u6cd5\u6765\u6dfb\u52a0\u6570\u636e\u5230Sorted sets\u4e2d\u7684ZADD\u547d\u4ee4\u3002<\/p>\n
\/\/ Redis `ZADD key score member [score member ...]` command.<\/span>\r\nfunc<\/span> (<\/span>c<\/span> cmdable<\/span>)<\/span> ZAdd<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>,<\/span> key<\/span> string<\/span>,<\/span> members<\/span> ...*<\/span>Z<\/span>)<\/span> *<\/span>IntCmd<\/span> {<\/span>\r\n\t\/\/ \u7565<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n\u5728\u8fd9\u91cc\uff0c\u53ef\u4ee5\u7b80\u5355\u5730\u5c06cmdable\u89c6\u4e3a\u4e0eRedis\u7684\u8fde\u63a5\u3002
\n\u53e6\u5916\uff0c\u53c2\u6570Z\u6307\u7684\u662f\u5177\u6709\u4ee5\u4e0b\u6210\u5458\u548c\u5206\u6570\u7684\u7ed3\u6784\u4f53\u3002<\/p>\n
type<\/span> Z<\/span> struct<\/span> {<\/span>\r\n\tScore<\/span> float64<\/span>\r\n\tMember<\/span> interface<\/span>{}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n\u6b64\u5916\uff0cIntCmd\u7684\u8fd4\u56de\u503c\u662f\u4e00\u4e2a\u7ed3\u6784\u4f53\uff0c\u8be5\u7ed3\u6784\u4f53\u5177\u6709context.Context\u548cerror\u7b49\u3002<\/p>\n
type<\/span> IntCmd<\/span> struct<\/span> {<\/span>\r\n\tbaseCmd<\/span>\r\n\r\n\tval<\/span> int64<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> baseCmd<\/span> struct<\/span> {<\/span>\r\n\tctx<\/span> context<\/span>.<\/span>Context<\/span>\r\n\targs<\/span> []<\/span>interface<\/span>{}<\/span>\r\n\terr<\/span> error<\/span>\r\n\tkeyPos<\/span> int8<\/span>\r\n\r\n\t_readTimeout<\/span> *<\/span>time<\/span>.<\/span>Duration<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n\u8fd9\u6b21\uff0c\u7531\u4e8e\u9700\u8981\u51fa\u73b0\u9519\u8bef\uff0c\u53ea\u9700\u5728baseCmd\u7684\u65b9\u6cd5\u4e2d\u8c03\u7528Err()\uff0c\u7136\u540e\u8fdb\u884c\u9519\u8bef\u5904\u7406\u5373\u53ef\u3002<\/p>\n
func<\/span> (<\/span>cmd<\/span> *<\/span>baseCmd<\/span>)<\/span> Err<\/span>()<\/span> error<\/span> {<\/span>\r\n\treturn<\/span> cmd<\/span>.<\/span>err<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n\u6574\u4e2a\u4ee3\u7801<\/h3>\n
\u6839\u636e\u4e0a\u8ff0\u7684\u5185\u5bb9\uff0c\u6574\u4e2a\u4ee3\u7801\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
package<\/span> redis<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n\t\"context\"<\/span>\r\n\t\"encoding\/json\"<\/span>\r\n\r\n\t\"github.com\/arkuchy\/redis-ranking\/src\/db\"<\/span>\r\n\tgoRedis<\/span> \"github.com\/go-redis\/redis\/v8\"<\/span>\r\n)<\/span>\r\n\r\nconst<\/span> (<\/span>\r\n\tRedisRanking<\/span> string<\/span> =<\/span> \"RedisRanking\"<\/span> \/\/ key\u540d<\/span>\r\n)<\/span>\r\n\r\n\/\/ userID\u3068userName\u3092\u6301\u3063\u305f\u69cb\u9020\u4f53(json\u6587\u5b57\u5217\u306b\u3057\u3066\u6271\u3046)<\/span>\r\ntype<\/span> Member<\/span> struct<\/span> {<\/span>\r\n\tID<\/span> string<\/span> `json:\"id\"`<\/span>\r\n\tName<\/span> string<\/span> `json:\"name\"`<\/span>\r\n}<\/span>\r\n\r\n\/\/ AddRanking \u306f\uff0c\u30e9\u30f3\u30ad\u30f3\u30b0\u306b\u30e6\u30fc\u30b6\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3057\u307e\u3059<\/span>\r\nfunc<\/span> AddRanking<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>,<\/span> id<\/span> string<\/span>,<\/span> name<\/span> string<\/span>,<\/span> score<\/span> int<\/span>)<\/span> error<\/span> {<\/span>\r\n\tconn<\/span> :=<\/span> db<\/span>.<\/span>Conn<\/span>.<\/span>GetRedisConn<\/span>()<\/span> \/\/ Redis\u3068\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u53d6\u5f97(\u5404\u81ea\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u3042\u308a)<\/span>\r\n\tmember<\/span> :=<\/span> &<\/span>Member<\/span>{<\/span>\r\n\t\tID<\/span>:<\/span> id<\/span>,<\/span>\r\n\t\tName<\/span>:<\/span> name<\/span>,<\/span>\r\n\t}<\/span>\r\n\t\/\/ member\u3092serialize\u3059\u308b<\/span>\r\n\tserializedMember<\/span>,<\/span> err<\/span> :=<\/span> json<\/span>.<\/span>Marshal<\/span>(<\/span>member<\/span>)<\/span>\r\n\tif<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n\t\treturn<\/span> err<\/span>\r\n\t}<\/span>\r\n\tif<\/span> err<\/span> :=<\/span>