{"id":8508,"date":"2023-11-28T20:30:02","date_gmt":"2023-11-28T12:30:02","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=8508"},"modified":"2023-12-06T10:38:33","modified_gmt":"2023-12-06T02:38:33","slug":"springboot-zhong-ru-he-shi-xian-ding-shi-ren-wu-2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/springboot-zhong-ru-he-shi-xian-ding-shi-ren-wu-2\/","title":{"rendered":"SpringBoot\u4e2d\u5982\u4f55\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\uff1f"},"content":{"rendered":"

\u5728 Spring Boot \u4e2d\uff0c\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u6709\u591a\u79cd\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 @Scheduled<\/code> \u6ce8\u89e3\u3002\u901a\u8fc7\u8be5\u6ce8\u89e3\uff0c\u4f60\u53ef\u4ee5\u5728\u65b9\u6cd5\u4e0a\u5b9a\u4e49\u5b9a\u65f6\u4efb\u52a1\u7684\u6267\u884c\u89c4\u5219\u3002\u4ee5\u4e0b\u662f\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u7684\u7b80\u5355\u6b65\u9aa4\uff1a<\/p>\n

    \n
  1. \n\u542f\u7528\u5b9a\u65f6\u4efb\u52a1\uff1a<\/strong><\/p>\n
      \n
    • \u5728\u4e3b\u5e94\u7528\u7a0b\u5e8f\u7c7b\uff08\u5305\u542b main<\/code> \u65b9\u6cd5\u7684\u7c7b\uff09\u4e0a\u6dfb\u52a0 @EnableScheduling<\/code> \u6ce8\u89e3\uff0c\u4ee5\u542f\u7528 Spring Boot \u7684\u5b9a\u65f6\u4efb\u52a1\u529f\u80fd\u3002<\/li>\n<\/ul>\n
      import org.springframework.boot.SpringApplication;\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\nimport org.springframework.scheduling.annotation.EnableScheduling;\n\n@SpringBootApplication\n@EnableScheduling\npublic class MyApplication {\n\n    public static void main(String[] args) {\n        SpringApplication.run(MyApplication.class, args);\n    }\n}\n<\/code><\/pre>\n<\/li>\n
    • \n\u521b\u5efa\u5b9a\u65f6\u4efb\u52a1\u65b9\u6cd5\uff1a<\/strong><\/p>\n
        \n
      • \u5728\u4efb\u4f55 Spring \u7ba1\u7406\u7684 Bean \u4e2d\u521b\u5efa\u4e00\u4e2a\u65b9\u6cd5\uff0c\u5e76\u4f7f\u7528 @Scheduled<\/code> \u6ce8\u89e3\u6807\u8bb0\u8be5\u65b9\u6cd5\uff0c\u4ee5\u5b9a\u4e49\u5b9a\u65f6\u4efb\u52a1\u7684\u89e6\u53d1\u89c4\u5219\u3002<\/li>\n<\/ul>\n
        import org.springframework.scheduling.annotation.Scheduled;\nimport org.springframework.stereotype.Component;\n\n@Component\npublic class MyScheduledTasks {\n\n    @Scheduled(fixedRate = 5000) \/\/ \u6bcf\u96945\u79d2\u6267\u884c\u4e00\u6b21\n    public void myTask() {\n        System.out.println("\u5b9a\u65f6\u4efb\u52a1\u6267\u884c\uff1a" + System.currentTimeMillis());\n    }\n}\n<\/code><\/pre>\n
        \u4e0a\u8ff0\u4ee3\u7801\u4e2d\u7684 myTask<\/code> \u65b9\u6cd5\u5c06\u4f1a\u6bcf\u96945\u79d2\u6267\u884c\u4e00\u6b21\u3002\n<\/li>\n
      • \n\u5b9a\u65f6\u4efb\u52a1\u89e6\u53d1\u89c4\u5219\uff1a<\/strong><\/p>\n
          \n
        • \u4f7f\u7528 @Scheduled<\/code> \u6ce8\u89e3\u7684 cron<\/code>\u3001fixedDelay<\/code>\u3001fixedRate<\/code> \u5c5e\u6027\u7b49\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e0d\u540c\u7684\u89e6\u53d1\u89c4\u5219\u3002\n
            \n
          • cron<\/code>\uff1a\u4f7f\u7528 Cron \u8868\u8fbe\u5f0f\u5b9a\u4e49\u89e6\u53d1\u89c4\u5219\u3002<\/li>\n
          • fixedDelay<\/code>\uff1a\u4e0a\u4e00\u6b21\u4efb\u52a1\u6267\u884c\u5b8c\u6210\u540e\uff0c\u7b49\u5f85\u6307\u5b9a\u65f6\u95f4\u518d\u6267\u884c\u4e0b\u4e00\u6b21\u4efb\u52a1\u3002<\/li>\n
          • fixedRate<\/code>\uff1a\u4e0a\u4e00\u6b21\u4efb\u52a1\u5f00\u59cb\u6267\u884c\u540e\uff0c\u7b49\u5f85\u6307\u5b9a\u65f6\u95f4\u518d\u6267\u884c\u4e0b\u4e00\u6b21\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
            @Scheduled(cron = "0 0 12 * * ?") \/\/ \u6bcf\u5929\u4e2d\u534812\u70b9\u89e6\u53d1\npublic void cronTask() {\n    System.out.println("Cron\u5b9a\u65f6\u4efb\u52a1\u6267\u884c\uff1a" + System.currentTimeMillis());\n}\n\n@Scheduled(fixedDelay = 60000) \/\/ \u4e0a\u4e00\u6b21\u6267\u884c\u5b8c\u6bd5\u540e\uff0c\u7b49\u5f851\u5206\u949f\u518d\u6267\u884c\npublic void fixedDelayTask() {\n    System.out.println("Fixed Delay\u5b9a\u65f6\u4efb\u52a1\u6267\u884c\uff1a" + System.currentTimeMillis());\n}\n\n@Scheduled(fixedRate = 5000) \/\/ \u4e0a\u4e00\u6b21\u4efb\u52a1\u5f00\u59cb\u6267\u884c\u540e\uff0c\u7b49\u5f855\u79d2\u518d\u6267\u884c\npublic void fixedRateTask() {\n    System.out.println("Fixed Rate\u5b9a\u65f6\u4efb\u52a1\u6267\u884c\uff1a" + System.currentTimeMillis());\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
            \u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528 @Scheduled<\/code> \u6ce8\u89e3\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u7684\u57fa\u672c\u6b65\u9aa4\u3002\u901a\u8fc7\u5728\u65b9\u6cd5\u4e0a\u6dfb\u52a0\u76f8\u5e94\u7684\u6ce8\u89e3\uff0c\u4f60\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9a\u4e49\u4e0d\u540c\u7684\u89e6\u53d1\u89c4\u5219\uff0c\u4ece\u800c\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u7684\u6267\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u5728 Spring Boot \u4e2d\uff0c\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u6709\u591a\u79cd\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 @Scheduled \u6ce8\u89e3\u3002\u901a […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-8508","post","type-post","status-publish","format-standard","hentry","category-springboot"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8508","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=8508"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8508\/revisions"}],"predecessor-version":[{"id":16624,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8508\/revisions\/16624"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=8508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=8508"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=8508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}