{"id":34405,"date":"2023-12-02T12:09:42","date_gmt":"2023-03-07T21:25:42","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ae%89%e8%a3%85mysql%e7%9a%84memcached%e6%8f%92%e4%bb%b6%ef%bc%8c%e5%b9%b6%e4%bb%8ejava%e4%b8%ad%e8%ae%bf%e9%97%ae%e3%80%82\/"},"modified":"2024-01-15T08:16:58","modified_gmt":"2024-01-15T00:16:58","slug":"%e5%ae%89%e8%a3%85mysql%e7%9a%84memcached%e6%8f%92%e4%bb%b6%ef%bc%8c%e5%b9%b6%e4%bb%8ejava%e4%b8%ad%e8%ae%bf%e9%97%ae%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ae%89%e8%a3%85mysql%e7%9a%84memcached%e6%8f%92%e4%bb%b6%ef%bc%8c%e5%b9%b6%e4%bb%8ejava%e4%b8%ad%e8%ae%bf%e9%97%ae%e3%80%82\/","title":{"rendered":"\u5b89\u88c5MySQL\u7684memcached\u63d2\u4ef6\uff0c\u5e76\u4eceJava\u4e2d\u8bbf\u95ee"},"content":{"rendered":"

\u5b89\u88c5memcached\u63d2\u4ef6\u5230MySQL\u4e2d<\/h4>\n

\u5b89\u88c5libevent-devel\u3002<\/h6>\n
# yum -y install libevent-devel\r\n<\/code><\/pre>\n
2. \u5728my.cnf\u4e2d\u6dfb\u52a0memcache\u7684\u914d\u7f6e<\/h6>\n
daemon_memcached_option = \"-p11211\"\r\ndaemon_memcached_engine_lib_name = innodb_engine.so\r\ndaemon_memcached_r_batch_size = 1\r\ndaemon_memcached_w_batch_size = 1\r\n<\/code><\/pre>\n
3. \u5b89\u88ddmemcached\u63d2\u4ef6<\/h6>\n
mysql> INSTALL PLUGIN daemon_memcached soname \"libmemcached.so\";\r\nmysql> show plugins;\r\n<\/code><\/pre>\n
\u786e\u8ba4\u5b89\u88c5\u4e86\u540d\u4e3adaemon_memcached\u7684\u63d2\u4ef6\u3002<\/p>\n
\u5efa\u7acb\u6d4b\u8bd5\u7528\u7684\u8868\u683c\u3002<\/h6>\n
mysql> use test\r\nmysql> create table user (id varchar(16), passwd varchar(256), primary key(id)) engine=InnoDB;\r\nmysql> insert into user (id, passwd) values ('user01', '5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8');\r\n<\/code><\/pre>\n
\u5728\u6570\u636e\u5e93\u4e2d\u63d2\u5165\u7684\u5bc6\u7801\u5b57\u6bb5\u7684\u503c\u662f\u4f7f\u7528sha256\u7b97\u6cd5\u52a0\u5bc6\u540e\u7684”password”\u3002<\/p>\n
5. \u4f7f\u5f97\u53ef\u4ee5\u901a\u8fc7memcache\u8bbf\u95ee<\/h6>\n
mysql> insert into innodb_memcache.containers (`name`,`db_schema`,`db_table`,`key_columns`,`value_columns`,`flags`,`cas_column`,`expire_time_column`,`unique_idx_name_on_key`) VALUES ('user', 'test', 'user', 'id', 'passwd',0,0,0,'PRIMARY');\r\nmysql> UNINSTALL PLUGIN daemon_memcached;INSTALL PLUGIN daemon_memcached soname \"libmemcached.so\";\r\n<\/code><\/pre>\n
\u5982\u679c\u4f60\u901a\u8fc7telnet\u94fe\u63a5\u5230127.0.0.1\u768411211\u7aef\u53e3\uff0c\u5e76\u8f93\u5165”get @@user.user01″\uff0c\u5982\u679c\u8fd4\u56de\u4e00\u4e2asha256\u7684\u5b57\u7b26\u4e32\uff0c\u90a3\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
\u5b9e\u73b0Java\u65b9\u9762<\/h6>\n
\u8bf7\u4ece\u4ee5\u4e0b\u7f51\u5740\u4e0b\u8f7dspymemcached\u5e93\uff1a http:\/\/www.java2s.com\/Code\/Jar\/s\/Downloadspymemcached27jar.htm
\n\u5f53\u7136\uff0c\u5982\u679c\u4f7f\u7528Maven\u4e5f\u53ef\u4ee5\u3002<\/p>\n
\u6211\u7528JavaEE\u7684JAX-RS\u521b\u5efa\u4e86\u4e00\u4e2aRestAPI\uff0c\u7528\u4e8e\u5728\u4f7f\u7528JSON\u8fdb\u884cPOST\u65f6\uff0c\u5982\u679c\u6709\u7528\u6237\u6ce8\u518c\uff0c\u8fd4\u56de\u72b6\u6001\u7801200\uff0c\u5982\u679c\u6ca1\u6709\uff08\u5373ID\u548cPass\u4e0d\u5339\u914d\uff09\uff0c\u8fd4\u56de\u72b6\u6001\u7801401\u3002<\/p>\n
package<\/span> memcached<\/span>;<\/span>\r\n\r\nimport<\/span> java.net.InetSocketAddress<\/span>;<\/span>\r\nimport<\/span> java.security.MessageDigest<\/span>;<\/span>\r\nimport<\/span> java.security.NoSuchAlgorithmException<\/span>;<\/span>\r\nimport<\/span> java.util.Map<\/span>;<\/span>\r\n\r\nimport<\/span> javax.enterprise.context.RequestScoped<\/span>;<\/span>\r\nimport<\/span> javax.ws.rs.Consumes<\/span>;<\/span>\r\nimport<\/span> javax.ws.rs.POST<\/span>;<\/span>\r\nimport<\/span> javax.ws.rs.Path<\/span>;<\/span>\r\nimport<\/span> javax.ws.rs.Produces<\/span>;<\/span>\r\nimport<\/span> javax.ws.rs.core.Response<\/span>;<\/span>\r\nimport<\/span> javax.ws.rs.core.Response.ResponseBuilder<\/span>;<\/span>\r\n\r\nimport<\/span> net.spy.memcached.MemcachedClient<\/span>;<\/span>\r\n\r\n@RequestScoped<\/span>\r\n@Path<\/span>(<\/span>\"\/auth\"<\/span>)<\/span>\r\n@Produces<\/span>(<\/span>\"application\/json\"<\/span>)<\/span>\r\n@Consumes<\/span>(<\/span>\"application\/json\"<\/span>)<\/span>\r\npublic<\/span> class<\/span> Memcache<\/span> {<\/span>\r\n\r\n    @POST<\/span>\r\n    public<\/span> Response<\/span> auth<\/span> (<\/span>Map<\/span><<\/span>String<\/span>,<\/span> String<\/span>><\/span> param<\/span>)<\/span> {<\/span>\r\n        ResponseBuilder<\/span> response<\/span> =<\/span> null<\/span>;<\/span>\r\n        try<\/span> {<\/span>\r\n            MemcachedClient<\/span> memcachedClient<\/span> =<\/span> new<\/span> MemcachedClient<\/span> (<\/span>new<\/span> InetSocketAddress<\/span>(<\/span>\"192.168.56.102\"<\/span>,<\/span> 11211<\/span>));<\/span>\r\n            if<\/span> (<\/span> sha256<\/span>(<\/span> param<\/span>.<\/span>get<\/span>(<\/span>\"password\"<\/span>)<\/span> ).<\/span>equals<\/span>(<\/span> memcachedClient<\/span>.<\/span>get<\/span>(<\/span> \"@@user.\"<\/span> +<\/span> param<\/span>.<\/span>get<\/span>(<\/span>\"id\"<\/span>)<\/span> ).<\/span>toString<\/span>()<\/span> )<\/span> )<\/span> {<\/span>\r\n                response<\/span> =<\/span> Response<\/span>.<\/span>status<\/span>(<\/span>200<\/span>);<\/span>\r\n            }<\/span> else<\/span> {<\/span>\r\n                response<\/span> =<\/span> Response<\/span>.<\/span>status<\/span>(<\/span>401<\/span>);<\/span>\r\n            }<\/span>\r\n        }<\/span> catch<\/span> (<\/span>Exception<\/span> e<\/span>)<\/span> {<\/span>\r\n            response<\/span> =<\/span> Response<\/span>.<\/span>status<\/span>(<\/span>400<\/span>);<\/span>\r\n        }<\/span>\r\n        return<\/span> response<\/span>.<\/span>build<\/span>();<\/span>\r\n    }<\/span>\r\n\r\n    private<\/span> String<\/span> sha256<\/span>(<\/span>String<\/span> plaintext<\/span>)<\/span> throws<\/span> Exception<\/span>{<\/span>\r\n        MessageDigest<\/span> md<\/span> =<\/span> MessageDigest<\/span>.<\/span>getInstance<\/span>(<\/span>\"SHA-256\"<\/span>);<\/span>\r\n        StringBuilder<\/span> sb<\/span> =<\/span> new<\/span> StringBuilder<\/span>();<\/span>\r\n        md<\/span>.<\/span>update<\/span>(<\/span>plaintext<\/span>.<\/span>getBytes<\/span>());<\/span>\r\n        for<\/span> (<\/span>byte<\/span> b<\/span> :<\/span> md<\/span>.<\/span>digest<\/span>())<\/span> {<\/span>\r\n            String<\/span> hex<\/span> =<\/span> String<\/span>.<\/span>format<\/span>(<\/span>\"%02x\"<\/span>,<\/span> b<\/span>);<\/span>\r\n            sb<\/span>.<\/span>append<\/span>(<\/span>hex<\/span>);<\/span>\r\n        }<\/span>\r\n        return<\/span> sb<\/span>.<\/span>toString<\/span>();<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u300cvalue_columns\u5fc5\u987b\u6620\u5c04\u5230CHAR\u3001VARCHAR\u6216BLOB\u5217\uff0c\u56e0\u6b64\u65e0\u6cd5\u76f4\u63a5\u5728memcached\u4e2d\u5904\u7406JSON\u5b57\u6bb5\uff08\u5c1d\u8bd5telnet\u65f6\u53ef\u80fd\u6709\u54cd\u5e94\uff0c\u4f46\u5185\u5bb9\u53ef\u80fd\u6df7\u4e71\uff09\u2192https:\/\/dev.mysql.com\/doc\/refman\/5.6\/zh\/innodb-memcached-internals.html
\n\u4e0d\u786e\u5b9a\u662f\u5426\u53ef\u4ee5\u901a\u8fc7CAST\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u4f46\u8bf7\u5c3d\u53ef\u80fd\u8ba9\u5176\u65e0\u9700\u4efb\u4f55\u64cd\u4f5c\u5373\u53ef\u9002\u5e94\u3002>Oracle\u5148\u751f\u300d<\/p>\n
\u4f7f\u7528\u751f\u6210\u5217\u529f\u80fd\uff0c\u4eceJSON\u7c7b\u578b\u7684\u5217\u4e2d\u751f\u6210TEXT\u7c7b\u578b\u7684\u5217\uff0c\u5e76\u5c06\u5176\u6307\u5b9a\u4e3avalue_columns\u4e2d\u3002<\/p>\n
mysql> create table userinfo (id varchar(16), infojson json, userinfo text as (cast(infojson as char) engine=InnoDB;\r\nmysql> insert into innodb_memcache.containers (`name`,`db_schema`,`db_table`,`key_columns`,`value_columns`,`flags`,`cas_column`,`expire_time_column`,`unique_idx_name_on_key`) VALUES ('userinfo', 'test', 'userinfo', 'id', 'userinfo',0,0,0,'PRIMARY');\r\nmysql> UNINSTALL PLUGIN daemon_memcached;INSTALL PLUGIN daemon_memcached soname \"libmemcached.so\";\r\n<\/code><\/pre>\n
\u7ed3\u679c\uff0c\u4e0d\u884c\uff01
\n\u867d\u7136\u5982\u679c\u9006\u8f6c\uff08\u4ecetext\u7c7b\u578b\u5230json\u7c7b\u578b\u7684\u751f\u6210\u5217\uff09\u53ef\u80fd\u53ef\u4ee5\u505a\u5230\uff0c\u4f46\u662f\u7531\u4e8e\u4e0d\u80fd\u4f7f\u7528json\u51fd\u6570\u8fdb\u884c\u66f4\u65b0\u67e5\u8be2\uff0c\u6240\u4ee5\u7f8e\u5473\u5ea6\u51cf\u534a\u3002\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b89\u88c5memcached\u63d2\u4ef6\u5230MySQL\u4e2d \u5b89\u88c5libevent-devel\u3002 # yum -y install […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34405","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u5b89\u88c5MySQL\u7684memcached\u63d2\u4ef6\uff0c\u5e76\u4eceJava\u4e2d\u8bbf\u95ee - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5b89\u88c5mysql\u7684memcached\u63d2\u4ef6\uff0c\u5e76\u4ecejava\u4e2d\u8bbf\u95ee\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5b89\u88c5MySQL\u7684memcached\u63d2\u4ef6\uff0c\u5e76\u4eceJava\u4e2d\u8bbf\u95ee\" \/>\n<meta property=\"og:description\" content=\"\u5b89\u88c5memcached\u63d2\u4ef6\u5230MySQL\u4e2d \u5b89\u88c5libevent-devel\u3002 # yum -y install […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5b89\u88c5mysql\u7684memcached\u63d2\u4ef6\uff0c\u5e76\u4ecejava\u4e2d\u8bbf\u95ee\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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