{"id":673,"date":"2023-02-26T14:16:04","date_gmt":"2023-02-26T06:16:04","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=673"},"modified":"2023-04-29T18:41:48","modified_gmt":"2023-04-29T10:41:48","slug":"difference-between-schedule-method-and-scheduleatfixedrate-method","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/26\/difference-between-schedule-method-and-scheduleatfixedrate-method\/","title":{"rendered":"schedule\u65b9\u6cd5\u548cscheduleAtFixedRate\u65b9\u6cd5\u7684\u533a\u522b"},"content":{"rendered":"

schedule<\/code>\u548cscheduleAtFixedRate<\/code>\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5b9e\u73b0\u4efb\u52a1\u7684\u5ef6\u65f6\u548c\u4e0d\u5ef6\u65f6\u6267\u884c\u4e14\u90fd\u4f1a\u6309\u987a\u5e8f\u6267\u884c\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u8003\u8651\u975e\u7ebf\u7a0b\u5b89\u5168\u7684\u60c5\u51b5\u3002\u5b83\u4eec\u7684\u4e3b\u8981\u533a\u522b\u53ea\u5728\u4e8e\u6709\u6ca1\u6709\u8ffd\u8d76\u7279\u6027\u3002\u5176\u4e2d\uff0cschedule<\/code>\u65b9\u6cd5\u4e0d\u5177\u6709\u8ffd\u8d76\u7279\u6027\uff0c\u800cscheduleAtFixedRate<\/code>\u65b9\u6cd5\u5177\u6709\u8ffd\u8d76\u7279\u6027\u3002<\/p>\n

\u9996\u5148\u9a8c\u8bc1schedule\u65b9\u6cd5\u4e0d\u5177\u6709\u8ffd\u8d76\u6267\u884c\u6027<\/h3>\n

<\/p>\n

public class App {\n    public static void main( String[] args ) {\n        MyTask myTask = new MyTask();\n        System.out.println("\u5f53\u524d\u6267\u884c\u65f6\u95f4\u4e3a: " + new Date());\n        Calendar c = Calendar.getInstance();\n        c.set(Calendar.SECOND, c.get(Calendar.SECOND) - 5);\n        Date runDate = c.getTime();\n        System.out.println("\u8ba1\u5212\u6267\u884c\u65f6\u95f4\u4e3a: " + runDate);\n        Timer timer = new Timer();\n        \/\/\u8c03\u7528\u7684\u662fschedule\u65b9\u6cd5\uff0c\u9a8c\u8bc1\u5176\u4e0d\u5177\u8ffd\u8d76\u6027\n        timer.schedule(myTask, runDate, 1000);\n    }\n}\n\nclass MyTask extends TimerTask {\n    @Override\n    public void run() {\n        System.out.println("time = " + new Date());\n    }\n}<\/code><\/pre>\n
\u8fd0\u884c\u7ed3\u679c<\/p>\n
\u5f53\u524d\u6267\u884c\u65f6\u95f4\u4e3a: Sat Apr 06 17:56:50 CST 2017\n\u8ba1\u5212\u6267\u884c\u65f6\u95f4\u4e3a: Sat Apr 06 17:56:45 CST 2017\ntime = Sat Apr 06 17:56:50 CST 2017\ntime = Sat Apr 06 17:56:51 CST 2017\ntime = Sat Apr 06 17:56:52 CST 2017\ntime = Sat Apr 06 17:56:53 CST 2017\ntime = Sat Apr 06 17:56:54 CST 2017\ntime = Sat Apr 06 17:56:55 CST 2017\ntime = Sat Apr 06 17:56:56 CST 2017\ntime = Sat Apr 06 17:56:57 CST 2017<\/code><\/pre>\n
\u65f6\u95f4Sat Apr 06 17:56:45 CST 2017<\/code>\u5230Sat Apr 06 17:56:50 CST 2017<\/code>\u4e4b\u95f4\u7684\u65f6\u95f4\u6240\u5bf9\u5e94\u7684Task\u4efb\u52a1\u5c31\u88ab\u53d6\u6d88\u6389\uff0c\u4e0d\u88ab\u6267\u884c\u4e86\uff0c\u8fd9\u5c31\u662fTask\u4efb\u52a1\u4e0d\u8ffd\u8d76\u3002<\/p>\n
\u9a8c\u8bc1scheduleAtFixedRate\u65b9\u6cd5\u5177\u6709\u8ffd\u8d76\u6267\u884c\u6027<\/h3>\n
public class App {\n    public static void main( String[] args ) {\n        MyTask myTask = new MyTask();\n        System.out.println("\u5f53\u524d\u6267\u884c\u65f6\u95f4\u4e3a: " + new Date());\n        Calendar c = Calendar.getInstance();\n        c.set(Calendar.SECOND, c.get(Calendar.SECOND) - 5);\n        Date runDate = c.getTime();\n        System.out.println("\u8ba1\u5212\u6267\u884c\u65f6\u95f4\u4e3a: " + runDate);\n        Timer timer = new Timer();\n        \/\/\u8c03\u7528scheduleAtFixedRate\u65b9\u6cd5\uff0c\u6d4b\u8bd5\u5176\u5177\u6709\u8ffd\u8d76\u6027\n        timer.scheduleAtFixedRate(myTask, runDate, 1000);\n    }\n}\n\nclass MyTask extends TimerTask {\n    @Override\n    public void run() {\n        System.out.println("time = " + new Date());\n    }\n}<\/code><\/pre>\n
\u8fd0\u884c\u7ed3\u679c<\/p>\n
\u5f53\u524d\u6267\u884c\u65f6\u95f4\u4e3a: Sat Apr 06 17:58:30 CST 2017\n\u8ba1\u5212\u6267\u884c\u65f6\u95f4\u4e3a: Sat Apr 06 17:58:25 CST 2017\ntime = Sat Apr 06 17:58:30 CST 2017\ntime = Sat Apr 06 17:58:30 CST 2017\ntime = Sat Apr 06 17:58:30 CST 2017\ntime = Sat Apr 06 17:58:30 CST 2017\ntime = Sat Apr 06 17:58:30 CST 2017\ntime = Sat Apr 06 17:58:30 CST 2017\ntime = Sat Apr 06 17:58:31 CST 2017\ntime = Sat Apr 06 17:58:32 CST 2017\ntime = Sat Apr 06 17:58:33 CST 2017\ntime = Sat Apr 06 17:58:34 CST 2017\ntime = Sat Apr 06 17:58:35 CST 2017\ntime = Sat Apr 06 17:58:36 CST 2017\ntime = Sat Apr 06 17:58:37 CST 2017<\/code><\/pre>\n
\u5c06\u4e24\u4e2a\u65f6\u95f4\u6bb5\u5185\u6240\u5bf9\u5e94\u7684Task\u4efb\u52a1\u88ab\u201c\u8865\u5145\u6027\u201d\u5730\u6267\u884c\uff0c\u8fd9\u5c31\u662fTask\u4efb\u52a1\u8ffd\u8d76\u7279\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
schedule\u548cscheduleAtFixedRate\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5b9e\u73b0\u4efb\u52a1\u7684\u5ef6\u65f6\u548c\u4e0d\u5ef6\u65f6\u6267\u884c\u4e14\u90fd\u4f1a\u6309\u987a\u5e8f\u6267\u884c\uff0c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[],"class_list":["post-673","post","type-post","status-publish","format-standard","hentry","category-java-basic"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=673"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/673\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}