{"id":14944,"date":"2023-12-04T16:43:55","date_gmt":"2023-12-04T08:43:55","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14944"},"modified":"2023-12-14T15:11:32","modified_gmt":"2023-12-14T07:11:32","slug":"dubbo-ke-yi-dui-jie-guo-jin-xing-huan-cun-ma-2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/dubbo-ke-yi-dui-jie-guo-jin-xing-huan-cun-ma-2\/","title":{"rendered":"Dubbo\u53ef\u4ee5\u5bf9\u7ed3\u679c\u8fdb\u884c\u7f13\u5b58\u5417\uff1f"},"content":{"rendered":"

Dubbo\u672c\u8eab\u5e76\u6ca1\u6709\u63d0\u4f9b\u5bf9\u7ed3\u679c\u7684\u7f13\u5b58\u529f\u80fd\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u4e0e\u5176\u4ed6\u7f13\u5b58\u6846\u67b6\u96c6\u6210\uff0c\u5b9e\u73b0\u5bf9\u670d\u52a1\u7ed3\u679c\u7684\u7f13\u5b58\u3002<\/p>\n

\u4e00\u79cd\u5e38\u89c1\u7684\u505a\u6cd5\u662f\uff0c\u5728Dubbo\u670d\u52a1\u5b9e\u73b0\u4e2d\u624b\u52a8\u96c6\u6210\u7f13\u5b58\u6846\u67b6\uff0c\u5982Ehcache\u3001Redis\u7b49\uff0c\u5bf9\u670d\u52a1\u7684\u7ed3\u679c\u8fdb\u884c\u7f13\u5b58\u3002\u8fd9\u6837\uff0c\u5f53\u670d\u52a1\u88ab\u8c03\u7528\u65f6\uff0c\u53ef\u4ee5\u5148\u68c0\u67e5\u7f13\u5b58\u4e2d\u662f\u5426\u5b58\u5728\u76f8\u5e94\u7684\u7ed3\u679c\uff0c\u5982\u679c\u5b58\u5728\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u7f13\u5b58\u4e2d\u7684\u7ed3\u679c\uff0c\u907f\u514d\u91cd\u590d\u8ba1\u7b97\u3002\u5982\u679c\u7f13\u5b58\u4e2d\u4e0d\u5b58\u5728\uff0c\u5219\u6267\u884c\u5b9e\u9645\u7684\u670d\u52a1\u903b\u8f91\uff0c\u5e76\u5c06\u7ed3\u679c\u7f13\u5b58\u8d77\u6765\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u5728Dubbo\u670d\u52a1\u5b9e\u73b0\u4e2d\u4f7f\u7528Ehcache\u8fdb\u884c\u7ed3\u679c\u7f13\u5b58\uff1a<\/p>\n

import org.apache.dubbo.config.annotation.Service;\nimport org.springframework.beans.factory.annotation.Autowired;\n\nimport net.sf.ehcache.Cache;\nimport net.sf.ehcache.CacheManager;\nimport net.sf.ehcache.Element;\n\n@Service\npublic class UserServiceImpl implements UserService {\n\n    @Autowired\n    private CacheManager cacheManager;\n\n    @Override\n    public User getUserById(int userId) {\n        \/\/ \u68c0\u67e5\u7f13\u5b58\u4e2d\u662f\u5426\u5b58\u5728\u7ed3\u679c\n        Cache cache = cacheManager.getCache("userCache");\n        Element element = cache.get(userId);\n        if (element != null) {\n            return (User) element.getObjectValue();\n        }\n\n        \/\/ \u5982\u679c\u7f13\u5b58\u4e2d\u4e0d\u5b58\u5728\uff0c\u5219\u6267\u884c\u5b9e\u9645\u7684\u670d\u52a1\u903b\u8f91\n        User user = \/\/ \u5b9e\u9645\u7684\u670d\u52a1\u903b\u8f91\u83b7\u53d6\u7528\u6237\u4fe1\u606f\n\n        \/\/ \u5c06\u7ed3\u679c\u653e\u5165\u7f13\u5b58\n        cache.put(new Element(userId, user));\n\n        return user;\n    }\n}\n<\/code><\/pre>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u901a\u8fc7\u6ce8\u5165Ehcache\u7684CacheManager<\/code>\uff0c\u5728\u670d\u52a1\u5b9e\u73b0\u4e2d\u624b\u52a8\u4f7f\u7528\u7f13\u5b58\u3002\u8fd9\u53ea\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u4f8b\u5b50\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\u53ef\u80fd\u9700\u8981\u8003\u8651\u7f13\u5b58\u7b56\u7565\u3001\u8fc7\u671f\u65f6\u95f4\u7b49\u66f4\u590d\u6742\u7684\u60c5\u51b5\u3002<\/p>\n
\u53e6\u5916\uff0c\u6709\u4e9b\u5e94\u7528\u4e5f\u4f1a\u901a\u8fc7AOP\uff08\u9762\u5411\u5207\u9762\u7f16\u7a0b\uff09\u7684\u65b9\u5f0f\uff0c\u5bf9Dubbo\u670d\u52a1\u7684\u8c03\u7528\u8fdb\u884c\u62e6\u622a\uff0c\u4ece\u800c\u5b9e\u73b0\u901a\u7528\u7684\u7ed3\u679c\u7f13\u5b58\u903b\u8f91\u3002\u8fd9\u9700\u8981\u66f4\u9ad8\u7ea7\u7684\u6280\u672f\u548c\u5b9e\u8df5\uff0c\u5177\u4f53\u5b9e\u73b0\u4f1a\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u9879\u76ee\u60c5\u51b5\u800c\u6709\u6240\u4e0d\u540c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Dubbo\u672c\u8eab\u5e76\u6ca1\u6709\u63d0\u4f9b\u5bf9\u7ed3\u679c\u7684\u7f13\u5b58\u529f\u80fd\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u4e0e\u5176\u4ed6\u7f13\u5b58\u6846\u67b6\u96c6\u6210\uff0c\u5b9e\u73b0\u5bf9\u670d\u52a1\u7ed3\u679c\u7684\u7f13\u5b58\u3002 \u4e00\u79cd\u5e38\u89c1\u7684\u505a\u6cd5 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[123],"tags":[],"class_list":["post-14944","post","type-post","status-publish","format-standard","hentry","category-dubbo"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14944","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=14944"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14944\/revisions"}],"predecessor-version":[{"id":48164,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14944\/revisions\/48164"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14944"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}