{"id":11823,"date":"2023-11-28T22:35:14","date_gmt":"2023-11-28T14:35:14","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11823"},"modified":"2023-12-11T14:29:14","modified_gmt":"2023-12-11T06:29:14","slug":"spring-ru-he-chu-li-xian-cheng-bing-fa-wen-ti","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-ru-he-chu-li-xian-cheng-bing-fa-wen-ti\/","title":{"rendered":"Spring\u5982\u4f55\u5904\u7406\u7ebf\u7a0b\u5e76\u53d1\u95ee\u9898\uff1f"},"content":{"rendered":"

Spring\u6846\u67b6\u672c\u8eab\u5e76\u4e0d\u63d0\u4f9b\u4e13\u95e8\u7684\u673a\u5236\u6765\u5904\u7406\u7ebf\u7a0b\u5e76\u53d1\u95ee\u9898\uff0c\u56e0\u4e3a\u7ebf\u7a0b\u5e76\u53d1\u95ee\u9898\u901a\u5e38\u662f\u7531\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u800c\u4e0d\u662f\u6846\u67b6\u5f15\u8d77\u7684\u3002\u7136\u800c\uff0cSpring\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u91c7\u53d6\u4e00\u4e9b\u7b56\u7565\u548c\u673a\u5236\u6765\u5904\u7406\u7ebf\u7a0b\u5e76\u53d1\u95ee\u9898\u3002<\/p>\n

    \n
  1. \n\u4f7f\u7528\u7ebf\u7a0b\u5b89\u5168\u7684Bean\uff1a<\/strong><\/p>\n
      \n
    • Spring\u7684\u9ed8\u8ba4\u4f5c\u7528\u57df\u662f\u5355\u4f8b\uff08Singleton\uff09\uff0c\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u5171\u4eab\u4e00\u4e2a\u5b9e\u4f8b\u3002\u786e\u4fdd\u5355\u4f8bBean\u662f\u65e0\u72b6\u6001\u6216\u8005\u72b6\u6001\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u4ee5\u9632\u6b62\u591a\u4e2a\u7ebf\u7a0b\u4e4b\u95f4\u7684\u7ade\u4e89\u6761\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u4f7f\u7528ThreadLocal\uff1a<\/strong><\/p>\n
        \n
      • \u5982\u679c\u9700\u8981\u5728\u6bcf\u4e2a\u7ebf\u7a0b\u4e2d\u4fdd\u5b58\u72ec\u7acb\u7684\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528ThreadLocal<\/code>\u3002Spring\u652f\u6301ThreadLocal<\/code>\uff0c\u5b83\u5141\u8bb8\u5728\u6bcf\u4e2a\u7ebf\u7a0b\u4e2d\u5b58\u50a8\u7279\u5b9a\u4e8e\u8be5\u7ebf\u7a0b\u7684\u53d8\u91cf\uff0c\u800c\u4e0d\u4f1a\u5e72\u6270\u5176\u4ed6\u7ebf\u7a0b\u7684\u6570\u636e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528RequestContextHolder<\/code>\u6765\u5728\u6bcf\u4e2a\u7ebf\u7a0b\u4e2d\u4fdd\u5b58HTTP\u8bf7\u6c42\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u4f7f\u7528\u4e8b\u52a1\u7ba1\u7406\uff1a<\/strong><\/p>\n
          \n
        • Spring\u7684\u58f0\u660e\u5f0f\u4e8b\u52a1\u7ba1\u7406\u53ef\u4ee5\u5e2e\u52a9\u5904\u7406\u6570\u636e\u5e93\u8bbf\u95ee\u4e2d\u7684\u5e76\u53d1\u95ee\u9898\u3002\u901a\u8fc7\u4f7f\u7528@Transactional<\/code>\u6ce8\u89e3\uff0c\u53ef\u4ee5\u786e\u4fdd\u4e8b\u52a1\u7684\u4e00\u81f4\u6027\u548c\u9694\u79bb\u6027\u3002\u9009\u62e9\u9002\u5f53\u7684\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u53ef\u4ee5\u9632\u6b62\u5e76\u53d1\u95ee\u9898\u3002<\/li>\n<\/ul>\n
          @Transactional(isolation = Isolation.READ_COMMITTED)\npublic void updateDatabase() {\n    \/\/ \u66f4\u65b0\u6570\u636e\u5e93\u64cd\u4f5c\n}\n<\/code><\/pre>\n<\/li>\n
        • \n\u4f7f\u7528\u5e76\u53d1\u5e93\uff1a<\/strong><\/p>\n
            \n
          • Java\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e76\u53d1\u5e93\uff0c\u4f8b\u5982java.util.concurrent<\/code>\u5305\uff0c\u53ef\u4ee5\u7528\u6765\u5904\u7406\u7ebf\u7a0b\u5e76\u53d1\u95ee\u9898\u3002Spring\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u5de5\u5177\u6765\u5b9e\u73b0\u66f4\u7ec6\u7c92\u5ea6\u7684\u63a7\u5236\u548c\u4f18\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \n\u4f7f\u7528\u7f13\u5b58\uff1a<\/strong><\/p>\n
              \n
            • \u5408\u7406\u5730\u4f7f\u7528\u7f13\u5b58\u53ef\u4ee5\u51cf\u8f7b\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u5e76\u53d1\u8bbf\u95ee\u538b\u529b\u3002Spring\u63d0\u4f9b\u4e86\u5bf9\u7f13\u5b58\u7684\u652f\u6301\uff0c\u53ef\u4ee5\u4f7f\u7528@Cacheable<\/code>\u7b49\u6ce8\u89e3\u8fdb\u884c\u58f0\u660e\u5f0f\u7f13\u5b58\u3002<\/li>\n<\/ul>\n
              @Cacheable("myCache")\npublic String getFromDatabase(String key) {\n    \/\/ \u4ece\u6570\u636e\u5e93\u83b7\u53d6\u6570\u636e\n}\n<\/code><\/pre>\n<\/li>\n
            • \n\u4f7f\u7528\u9501\uff1a<\/strong><\/p>\n
                \n
              • \u5728\u5fc5\u8981\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528Java\u7684\u540c\u6b65\u673a\u5236\uff0c\u4f8b\u5982synchronized<\/code>\u5173\u952e\u5b57\u6216ReentrantLock<\/code>\uff0c\u6765\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\uff0c\u907f\u514d\u5e76\u53d1\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                \u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u4e1a\u52a1\u9700\u6c42\uff0c\u7ed3\u5408\u4e0a\u8ff0\u7b56\u7565\u548c\u673a\u5236\u6765\u5904\u7406\u7ebf\u7a0b\u5e76\u53d1\u95ee\u9898\u3002\u540c\u65f6\uff0c\u6ce8\u610f\u9075\u5faa\u826f\u597d\u7684\u5e76\u53d1\u7f16\u7a0b\u5b9e\u8df5\uff0c\u9632\u6b62\u51fa\u73b0\u6b7b\u9501\u3001\u6d3b\u9501\u3001\u7ade\u4e89\u6761\u4ef6\u7b49\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                Spring\u6846\u67b6\u672c\u8eab\u5e76\u4e0d\u63d0\u4f9b\u4e13\u95e8\u7684\u673a\u5236\u6765\u5904\u7406\u7ebf\u7a0b\u5e76\u53d1\u95ee\u9898\uff0c\u56e0\u4e3a\u7ebf\u7a0b\u5e76\u53d1\u95ee\u9898\u901a\u5e38\u662f\u7531\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u800c\u4e0d\u662f\u6846\u67b6\u5f15\u8d77\u7684 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":["post-11823","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11823","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=11823"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11823\/revisions"}],"predecessor-version":[{"id":37188,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11823\/revisions\/37188"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11823"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}