{"id":1304,"date":"2018-05-31T19:47:15","date_gmt":"2018-05-31T11:47:15","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1304"},"modified":"2018-05-31T19:47:15","modified_gmt":"2018-05-31T11:47:15","slug":"cron-%e8%ae%a1%e5%88%92%e4%bb%bb%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1304","title":{"rendered":"cron \u8ba1\u5212\u4efb\u52a1"},"content":{"rendered":"
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cron<\/h1>\n

\u7f16\u8f91<\/a><\/dd>\n<\/dl>\n

\n
\u8ba1\u5212\u4efb\u52a1\uff0c\u662f\u4efb\u52a1\u5728\u7ea6\u5b9a\u7684\u65f6\u95f4\u6267\u884c\u5df2\u7ecf\u8ba1\u5212\u597d\u7684\u5de5\u4f5c\uff0c\u8fd9\u662f\u8868\u9762\u7684\u610f\u601d\u3002\u5728Linux\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u7528\u5230 cron \u670d\u52a1\u5668\u6765\u5b8c\u6210\u8fd9\u9879\u5de5\u4f5c\u3002cron\u670d\u52a1\u5668\u53ef\u4ee5\u6839\u636e\u914d\u7f6e\u6587\u4ef6\u7ea6\u5b9a\u7684\u65f6\u95f4\u6765\u6267\u884c\u7279\u5b9a\u7684\u4f5c\u52a1\u3002<\/div>\n<\/div>\n
<\/div>\n
\n
\n
\u4e2d\u6587\u540d<\/dt>\n
\u8ba1\u5212\u4efb\u52a1<\/dd>\n
\u5916\u6587\u540d<\/dt>\n
cron<\/dd>\n<\/dl>\n
\n
\u8bfb\u00a0\u00a0\u00a0\u00a0\u97f3<\/dt>\n
‘kr\u0252n<\/dd>\n
\u529f\u00a0\u00a0\u00a0\u00a0\u80fd<\/dt>\n
\u6839\u636e\u7ea6\u5b9a\u7684\u65f6\u95f4\u6765\u6267\u884c\u7279\u5b9a\u7684\u4f5c\u52a1<\/dd>\n<\/dl>\n<\/div>\n
\n
\n

\u76ee\u5f55<\/h2>\n
\n
    \n
  1. 1<\/span>\u00a0\u8be6\u7ec6\u5185\u5bb9<\/a><\/span><\/li>\n
  2. \u25aa<\/span>\u00a0\u8ba1\u5212\u4efb\u52a1<\/a><\/span><\/li>\n
  3. \u25aa<\/span>\u00a0\u8868\u8fbe\u5f0f<\/a><\/span><\/li>\n
  4. \u25aa<\/span>\u00a0\u65f6\u95f4\u5355\u4f4d<\/a><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n
    <\/a><\/a><\/a><\/div>\n
    \n

    \u8be6\u7ec6\u5185\u5bb9<\/h2>\n

    \u7f16\u8f91<\/a><\/div>\n

    \u4e0b\u9762\u6211\u4eec\u5148\u6765\u8bf4\u8bf4cron\uff1a\u8bfb\u97f3\u82f1 [‘kr\u0254:n]\/\u7f8e [‘kr\u0252n]<\/div>\n
    <\/a><\/a><\/a><\/a><\/div>\n
    \n

    \u8ba1\u5212\u4efb\u52a1<\/h3>\n<\/div>\n
    \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u8ba1\u5212\u4efb\u52a1\u4e00\u822c\u662f\u7531cron\u627f\u62c5\uff0c\u6211\u4eec\u53ef\u4ee5\u628acron\u8bbe\u7f6e\u4e3a\u5f00\u673a\u65f6\u81ea\u52a8\u542f\u52a8\u3002cron\u542f\u52a8\u540e\uff0c\u5b83\u4f1a\u8bfb\u53d6\u5b83\u7684\u6240\u6709\u914d\u7f6e\u6587\u4ef6\uff08\u5168\u5c40\u6027\u914d\u7f6e\u6587\u4ef6\/etc\/crontab\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u7528\u6237\u7684\u8ba1\u5212\u4efb\u52a1\u914d\u7f6e\u6587\u4ef6\uff09\uff0c\u7136\u540ecron\u4f1a\u6839\u636e\u547d\u4ee4\u548c\u6267\u884c\u65f6\u95f4\u6765\u6309\u65f6\u6765\u8c03\u7528\u5ea6\u5de5\u4f5c\u4efb\u52a1\u3002<\/div>\n
    cron\u662f\u4e00\u4e2alinux\u4e0b\u7684\u5b9a\u65f6\u6267\u884c\u5de5\u5177\uff0c\u53ef\u4ee5\u5728\u65e0\u9700\u4eba\u5de5\u5e72\u9884\u7684\u60c5\u51b5\u4e0b\u8fd0\u884c\u4f5c\u4e1a\u3002\u7531\u4e8eCron \u662fLinux\u7684\u5185\u7f6e\u670d\u52a1\uff0c\u4f46\u5b83\u4e0d\u81ea\u52a8\u8d77\u6765\uff0c\u53ef\u4ee5\u7528\u4ee5\u4e0b\u7684\u65b9\u6cd5\u542f\u52a8\u3001\u5173\u95ed\u8fd9\u4e2a\u670d\u52a1\uff1a<\/div>\n
    \/sbin\/service crond start \/\/\u542f\u52a8\u670d\u52a1<\/div>\n
    \/sbin\/service crond stop \/\/\u5173\u95ed\u670d\u52a1<\/p>\n
    \"\"<\/a><\/div>\n<\/div>\n
    \/sbin\/service crond restart \/\/\u91cd\u542f\u670d\u52a1<\/div>\n
    \/sbin\/service crond reload \/\/\u91cd\u65b0\u8f7d\u5165\u914d\u7f6e<\/div>\n
    \u4f60\u4e5f\u53ef\u4ee5\u5c06\u8fd9\u4e2a\u670d\u52a1\u5728\u7cfb\u7edf\u542f\u52a8\u7684\u65f6\u5019\u81ea\u52a8\u542f\u52a8\uff1a<\/div>\n
    \u5728\/etc\/rc.d\/rc.local\u8fd9\u4e2a\u811a\u672c\u7684\u672b\u5c3e\u52a0\u4e0a\uff1a<\/div>\n
    \/sbin\/service crond start<\/div>\n
    \u73b0\u5728Cron\u8fd9\u4e2a\u670d\u52a1\u5df2\u7ecf\u5728\u8fdb\u7a0b\u91cc\u9762\u4e86\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u7528\u8fd9\u4e2a\u670d\u52a1\u4e86\uff0cCron\u670d\u52a1\u63d0\u4f9b\u4ee5\u4e0b\u51e0\u79cd\u63a5\u53e3\u4f9b\u5927\u5bb6\u4f7f\u7528\uff1a<\/div>\n
    1.\u76f4\u63a5\u7528crontab\u547d\u4ee4\u7f16\u8f91<\/div>\n
    cron\u670d\u52a1\u63d0\u4f9bcrontab\u547d\u4ee4\u6765\u8bbe\u5b9acron\u670d\u52a1\u7684\uff0c\u4ee5\u4e0b\u662f\u8fd9\u4e2a\u547d\u4ee4\u7684\u4e00\u4e9b\u53c2\u6570\u4e0e\u8bf4\u660e\uff1a<\/div>\n
    crontab -u \/\/\u8bbe\u5b9a\u67d0\u4e2a\u7528\u6237\u7684cron\u670d\u52a1\uff0c\u4e00\u822croot\u7528\u6237\u5728\u6267\u884c\u8fd9\u4e2a\u547d\u4ee4\u7684\u65f6\u5019\u9700\u8981\u6b64\u53c2\u6570<\/div>\n
    crontab -l \/\/\u5217\u51fa\u67d0\u4e2a\u7528\u6237cron\u670d\u52a1\u7684\u8be6\u7ec6\u5185\u5bb9<\/div>\n
    crontab -r \/\/\u5220\u9664\u67d0\u4e2a\u7528\u6237\u7684cron\u670d\u52a1<\/div>\n
    crontab -e \/\/\u7f16\u8f91\u67d0\u4e2a\u7528\u6237\u7684cron\u670d\u52a1<\/div>\n
    \u6bd4\u5982\u8bf4root\u67e5\u770b\u81ea\u5df1\u7684cron\u8bbe\u7f6e\uff1acrontab -u root -l<\/div>\n
    \u518d\u4f8b\u5982\uff0croot\u60f3\u5220\u9664fred\u7684cron\u8bbe\u7f6e\uff1acrontab -u fred -r<\/div>\n
    \u5728\u7f16\u8f91cron\u670d\u52a1\u65f6\uff0c\u7f16\u8f91\u7684\u5185\u5bb9\u6709\u4e00\u4e9b\u683c\u5f0f\u548c\u7ea6\u5b9a\uff0c\u8f93\u5165\uff1acrontab -u root -e<\/div>\n
    \u8fdb\u5165vi\u7f16\u8f91\u6a21\u5f0f\uff0c\u7f16\u8f91\u7684\u5185\u5bb9\u4e00\u5b9a\u8981\u7b26\u5408\u4e0b\u9762\u7684\u683c\u5f0f\uff1a*\/1 * * * * ls >> \/tmp\/ls.txt<\/div>\n
    crontab\u6587\u4ef6\u7684\u683c\u5f0f\uff1aM H D m d cmd.<\/div>\n
    M: \u5206\u949f\uff080-59\uff09\u3002<\/div>\n
    H\uff1a\u5c0f\u65f6\uff080-23\uff09\u3002<\/div>\n
    D\uff1a\u5929\uff081-31\uff09\u3002<\/div>\n
    m: \u6708\uff081-12\uff09\u3002<\/div>\n
    d: \u4e00\u661f\u671f\u5185\u7684\u5929\uff080~7\uff0c0\u548c7\u5747\u4e3a\u661f\u671f\u5929\uff09\u3002<\/div>\n
    cmd: \u8981\u6267\u884c\u7684\u547d\u4ee4\u3002<\/div>\n
    \u8fd9\u4e2a\u683c\u5f0f\u7684\u524d\u4e00\u90e8\u5206\u662f\u5bf9\u65f6\u95f4\u7684\u8bbe\u5b9a\uff0c\u540e\u9762\u4e00\u90e8\u5206\u662f\u8981\u6267\u884c\u7684\u547d\u4ee4\uff0c\u5982\u679c\u8981\u6267\u884c\u7684\u547d\u4ee4\u592a\u591a\uff0c\u53ef\u4ee5\u628a\u8fd9\u4e9b\u547d\u4ee4\u5199\u5230\u4e00\u4e2a\u811a\u672c\u91cc\u9762\uff0c\u7136\u540e\u5728\u8fd9\u91cc\u76f4\u63a5\u8c03\u7528\u8fd9\u4e2a\u811a\u672c\u5c31\u53ef\u4ee5\u4e86\uff0c\u8c03\u7528\u7684\u65f6\u5019\u8bb0\u5f97\u5199\u51fa\u547d\u4ee4\u7684\u5b8c\u6574\u8def\u5f84\u3002\u65f6\u95f4\u7684\u8bbe\u5b9a\u6211\u4eec\u6709\u4e00\u5b9a\u7684\u7ea6\u5b9a\uff0c\u524d\u9762\u4e94\u4e2a*\u53f7\u4ee3\u8868\u4e94\u4e2a\u6570\u5b57\uff0c\u6570\u5b57\u7684\u53d6\u503c\u8303\u56f4\u548c\u542b\u4e49\u5982\u4e0b\uff1a<\/div>\n
    \u5206\u949f\u3000\uff080-59\uff09<\/div>\n
    \u5c0f\u65f6\u3000\uff080-23\uff09<\/div>\n
    \u65e5\u671f\u3000\uff081-31\uff09<\/div>\n
    \u6708\u4efd\u3000\uff081-12\uff09<\/div>\n
    \u661f\u671f\u3000\uff080-7\uff09\/\/ 0\u548c7\u5747\u4ee3\u8868\u661f\u671f\u5929<\/div>\n
    \u9664\u4e86\u6570\u5b57\u8fd8\u6709\u51e0\u4e2a\u4e2a\u7279\u6b8a\u7684\u7b26\u53f7\u5c31\u662f”*”\u3001”\/”\u548c”-“\u3001”,”\uff0c*\u4ee3\u8868\u6240\u6709\u7684\u53d6\u503c\u8303\u56f4\u5185\u7684\u6570\u5b57\uff0c”\/”\u4ee3\u8868\u6bcf\u7684\u610f\u601d,”*\/5″\u8868\u793a\u6bcf5\u4e2a\u5355\u4f4d\uff0c”-“\u4ee3\u8868\u4ece\u67d0\u4e2a\u6570\u5b57\u5230\u67d0\u4e2a\u6570\u5b57,”,”\u5206\u5f00\u51e0\u4e2a\u79bb\u6563\u7684\u6570\u5b57\u3002\u4ee5\u4e0b\u4e3e\u51e0\u4e2a\u4f8b\u5b50\u8bf4\u660e\u95ee\u9898\uff1a<\/div>\n
    \u6bcf\u5929\u65e9\u4e0a6\u70b9<\/div>\n
    0 6 * * * echo “Good morning.” >> \/tmp\/test.txt \/\/\u6ce8\u610f\u5355\u7eafecho\uff0c\u4ece\u5c4f\u5e55\u4e0a\u770b\u4e0d\u5230\u4efb\u4f55\u8f93\u51fa\uff0c\u56e0\u4e3acron\u628a\u4efb\u4f55\u8f93\u51fa\u90fdemail\u5230root\u7684\u4fe1\u7bb1\u4e86\u3002<\/div>\n
    \u6bcf\u4e24\u4e2a\u5c0f\u65f6<\/div>\n
    0 *\/2 * * * echo “Have a break now.” >> \/tmp\/test.txt<\/div>\n
    \u665a\u4e0a11\u70b9\u5230\u65e9\u4e0a8\u70b9\u4e4b\u95f4\u6bcf\u4e24\u4e2a\u5c0f\u65f6\uff0c\u65e9\u4e0a\u516b\u70b9<\/div>\n
    0 23-7\/2\uff0c8 * * * echo “Have a good dream\uff1a\uff09” >> \/tmp\/test.txt<\/div>\n
    \u6bcf\u4e2a\u6708\u76844\u53f7\u548c\u6bcf\u4e2a\u793c\u62dc\u7684\u793c\u62dc\u4e00\u5230\u793c\u62dc\u4e09\u7684\u65e9\u4e0a11\u70b9<\/div>\n
    0 11 4 * 1-3 command line<\/div>\n
    1\u67081\u65e5\u65e9\u4e0a4\u70b9<\/div>\n
    0 4 1 1 * command line<\/div>\n
    \u6bcf\u6b21\u7f16\u8f91\u5b8c\u67d0\u4e2a\u7528\u6237\u7684cron\u8bbe\u7f6e\u540e\uff0ccron\u81ea\u52a8\u5728\/var\/spool\/cron\u4e0b\u751f\u6210\u4e00\u4e2a\u4e0e\u6b64\u7528\u6237\u540c\u540d\u7684\u6587\u4ef6\uff0c\u6b64\u7528\u6237\u7684cron\u4fe1\u606f\u90fd\u8bb0\u5f55\u5728\u8fd9\u4e2a\u6587\u4ef6\u4e2d\uff0c\u8fd9\u4e2a\u6587\u4ef6\u662f\u4e0d\u53ef\u4ee5\u76f4\u63a5\u7f16\u8f91\u7684\uff0c\u53ea\u53ef\u4ee5\u7528crontab -e \u6765\u7f16\u8f91\u3002cron\u542f\u52a8\u540e\u6bcf\u8fc7\u4e00\u4efd\u949f\u8bfb\u4e00\u6b21\u8fd9\u4e2a\u6587\u4ef6\uff0c\u68c0\u67e5\u662f\u5426\u8981\u6267\u884c\u91cc\u9762\u7684\u547d\u4ee4\u3002\u56e0\u6b64\u6b64\u6587\u4ef6\u4fee\u6539\u540e\u4e0d\u9700\u8981\u91cd\u65b0\u542f\u52a8cron\u670d\u52a1\u3002<\/div>\n
    2.\u7f16\u8f91\/etc\/crontab \u6587\u4ef6\u914d\u7f6ecron<\/div>\n
    cron\u670d\u52a1\u6bcf\u5206\u949f\u4e0d\u4ec5\u8981\u8bfb\u4e00\u6b21\/var\/spool\/cron\u5185\u7684\u6240\u6709\u6587\u4ef6\uff0c\u8fd8\u9700\u8981\u8bfb\u4e00\u6b21\/etc\/crontab,\u56e0\u6b64\u6211\u4eec\u914d\u7f6e\u8fd9\u4e2a\u6587\u4ef6\u4e5f\u80fd\u8fd0\u7528 cron\u670d\u52a1\u505a\u4e00\u4e9b\u4e8b\u60c5\u3002\u7528crontab\u914d\u7f6e\u662f\u9488\u5bf9\u67d0\u4e2a\u7528\u6237\u7684\uff0c\u800c\u7f16\u8f91\/etc\/crontab\u662f\u9488\u5bf9\u7cfb\u7edf\u7684\u4efb\u52a1\u3002\u6b64\u6587\u4ef6\u7684\u6587\u4ef6\u683c\u5f0f\u662f\uff1a<\/div>\n
    SHELL=\/bin\/bash<\/div>\n
    PATH=\/sbin:\/bin:\/usr\/sbin:\/usr\/bin<\/div>\n
    MAILTO=root \/\/\u5982\u679c\u51fa\u73b0\u9519\u8bef\uff0c\u6216\u8005\u6709\u6570\u636e\u8f93\u51fa<\/a>\uff0c\u6570\u636e\u4f5c\u4e3a\u90ae\u4ef6\u53d1\u7ed9\u8fd9\u4e2a\u5e10\u53f7<\/div>\n
    HOME=\/ \/\/\u4f7f\u7528\u8005\u8fd0\u884c\u7684\u8def\u5f84,\u8fd9\u91cc\u662f\u6839\u76ee\u5f55<\/div>\n
    # run-parts<\/div>\n
    01 * * * * root run-parts \/etc\/cron.hourly \/\/\u6bcf\u5c0f\u65f6\u6267\u884c\/etc\/cron.hourly\u5185\u7684\u811a\u672c<\/div>\n
    02 4 * * * root run-parts \/etc\/cron.daily \/\/\u6bcf\u5929\u6267\u884c\/etc\/cron.daily\u5185\u7684\u811a\u672c<\/div>\n
    22 4 * * 0 root run-parts \/etc\/cron.weekly \/\/\u6bcf\u661f\u671f\u6267\u884c\/etc\/cron.weekly\u5185\u7684\u811a\u672c<\/div>\n
    42 4 1 * * root run-parts \/etc\/cron.monthly \/\/\u6bcf\u6708\u53bb\u6267\u884c\/etc\/cron.monthly\u5185\u7684\u811a\u672c<\/div>\n
    <\/a><\/a><\/a><\/a><\/div>\n
    \n

    \u8868\u8fbe\u5f0f<\/h3>\n<\/div>\n
    Cron\u8868\u8fbe\u5f0f\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5b57\u7b26\u4e32\u4ee55\u62166\u4e2a\u7a7a\u683c\u9694\u5f00\uff0c\u5206\u4e3a6\u62167\u4e2a\u57df\uff0c\u6bcf\u4e00\u4e2a\u57df\u4ee3\u8868\u4e00\u4e2a\u542b\u4e49\uff0cCron\u6709\u5982\u4e0b\u4e24\u79cd\u8bed\u6cd5\u683c\u5f0f\uff1a<\/div>\n
    Seconds Minutes Hours DayofMonth Month DayofWeek Year\u6216<\/i><\/div>\n
    Seconds Minutes Hours DayofMonth Month DayofWeek<\/i><\/div>\n
    \u6bcf\u4e00\u4e2a\u57df\u53ef\u51fa\u73b0\u7684\u5b57\u7b26\u5982\u4e0b\uff1a<\/div>\n
    Seconds:\u53ef\u51fa\u73b0”, – * \/”\u56db\u4e2a\u5b57\u7b26\uff0c\u6709\u6548\u8303\u56f4\u4e3a0-59\u7684\u6574\u6570<\/div>\n
    Minutes:\u53ef\u51fa\u73b0”, – * \/”\u56db\u4e2a\u5b57\u7b26\uff0c\u6709\u6548\u8303\u56f4\u4e3a0-59\u7684\u6574\u6570<\/div>\n
    Hours:\u53ef\u51fa\u73b0”, – * \/”\u56db\u4e2a\u5b57\u7b26\uff0c\u6709\u6548\u8303\u56f4\u4e3a0-23\u7684\u6574\u6570<\/div>\n
    DayofMonth:\u53ef\u51fa\u73b0”, – * \/ ? L W C”\u516b\u4e2a\u5b57\u7b26\uff0c\u6709\u6548\u8303\u56f4\u4e3a0-31\u7684\u6574\u6570<\/div>\n
    Month:\u53ef\u51fa\u73b0”, – * \/”\u56db\u4e2a\u5b57\u7b26\uff0c\u6709\u6548\u8303\u56f4\u4e3a1-12\u7684\u6574\u6570\u6216JAN-DEc<\/div>\n
    DayofWeek:\u53ef\u51fa\u73b0”, – * \/ ? L C #”\u516b\u4e2a\u5b57\u7b26\uff0c\u6709\u6548\u8303\u56f4\u4e3a1-7\u7684\u6574\u6570\u6216SUN-SAT\u4e24\u4e2a\u8303\u56f4\u30021\u8868\u793a\u661f\u671f\u5929\uff0c2\u8868\u793a\u661f\u671f\u4e00\uff0c \u4f9d\u6b21\u7c7b\u63a8<\/div>\n
    Year:\u53ef\u51fa\u73b0”, – * \/”\u56db\u4e2a\u5b57\u7b26\uff0c\u6709\u6548\u8303\u56f4\u4e3a1970-2099\u5e74<\/div>\n
    \u6bcf\u4e00\u4e2a\u57df\u90fd\u4f7f\u7528\u6570\u5b57\uff0c\u4f46\u8fd8\u53ef\u4ee5\u51fa\u73b0\u5982\u4e0b\u7279\u6b8a\u5b57\u7b26\uff0c\u5b83\u4eec\u7684\u542b\u4e49\u662f\uff1a<\/div>\n
    (1)*\uff1a\u8868\u793a\u5339\u914d\u8be5\u57df\u7684\u4efb\u610f\u503c\uff0c\u5047\u5982\u5728Minutes\u57df\u4f7f\u7528*, \u5373\u8868\u793a\u6bcf\u5206\u949f\u90fd\u4f1a\u89e6\u53d1\u4e8b\u4ef6\u3002<\/div>\n
    (2)?:\u53ea\u80fd\u7528\u5728DayofMonth\u548cDayofWeek\u4e24\u4e2a\u57df\u3002\u5b83\u4e5f\u5339\u914d\u57df\u7684\u4efb\u610f\u503c\uff0c\u4f46\u5b9e\u9645\u4e0d\u4f1a\u3002\u56e0\u4e3aDayofMonth\u548cDayofWeek\u4f1a\u76f8\u4e92\u5f71\u54cd\u3002\u4f8b\u5982\u60f3\u5728\u6bcf\u6708\u768420\u65e5\u89e6\u53d1\u8c03\u5ea6\uff0c\u4e0d\u7ba120\u65e5\u5230\u5e95\u662f\u661f\u671f\u51e0\uff0c\u5219\u53ea\u80fd\u4f7f\u7528\u5982\u4e0b\u5199\u6cd5\uff1a 13 13 15 20 * ?, \u5176\u4e2d\u6700\u540e\u4e00\u4f4d\u53ea\u80fd\u7528\uff1f\uff0c\u800c\u4e0d\u80fd\u4f7f\u7528*\uff0c\u5982\u679c\u4f7f\u7528*\u8868\u793a\u4e0d\u7ba1\u661f\u671f\u51e0\u90fd\u4f1a\u89e6\u53d1\uff0c\u5b9e\u9645\u4e0a\u5e76\u4e0d\u662f\u8fd9\u6837\u3002<\/div>\n
    (3)-:\u8868\u793a\u8303\u56f4\uff0c\u4f8b\u5982\u5728Minutes\u57df\u4f7f\u75285-20\uff0c\u8868\u793a\u4ece5\u5206\u523020\u5206\u949f\u6bcf\u5206\u949f\u89e6\u53d1\u4e00\u6b21<\/div>\n
    (4)\/\uff1a\u8868\u793a\u8d77\u59cb\u65f6\u95f4\u5f00\u59cb\u89e6\u53d1\uff0c\u7136\u540e\u6bcf\u9694\u56fa\u5b9a\u65f6\u95f4\u89e6\u53d1\u4e00\u6b21\uff0c\u4f8b\u5982\u5728Minutes\u57df\u4f7f\u75285\/20,\u5219\u610f\u5473\u77405\u5206\u949f\u89e6\u53d1\u4e00\u6b21\uff0c\u800c25\uff0c45\u7b49\u5206\u522b\u89e6\u53d1\u4e00\u6b21.<\/div>\n
    (5),:\u8868\u793a\u5217\u51fa\u679a\u4e3e\u503c\u503c\u3002\u4f8b\u5982\uff1a\u5728Minutes\u57df\u4f7f\u75285,20\uff0c\u5219\u610f\u5473\u7740\u57285\u548c20\u5206\u6bcf\u5206\u949f\u89e6\u53d1\u4e00\u6b21\u3002<\/div>\n
    (6)L:\u8868\u793a\u6700\u540e\uff0c\u53ea\u80fd\u51fa\u73b0\u5728DayofWeek\u548cDayofMonth\u57df\uff0c\u5982\u679c\u5728DayofWeek\u57df\u4f7f\u75285L,\u610f\u5473\u7740\u5728\u6700\u540e\u7684\u4e00\u4e2a\u661f\u671f\u56db\u89e6\u53d1\u3002<\/div>\n
    (7)W:\u8868\u793a\u6709\u6548\u5de5\u4f5c\u65e5(\u5468\u4e00\u5230\u5468\u4e94),\u53ea\u80fd\u51fa\u73b0\u5728DayofMonth\u57df\uff0c\u7cfb\u7edf\u5c06\u5728\u79bb\u6307\u5b9a\u65e5\u671f\u7684\u6700\u8fd1\u7684\u6709\u6548\u5de5\u4f5c\u65e5\u89e6\u53d1\u4e8b\u4ef6\u3002\u4f8b\u5982\uff1a\u5728 DayofMonth\u4f7f\u75285W\uff0c\u5982\u679c5\u65e5\u662f\u661f\u671f\u516d\uff0c\u5219\u5c06\u5728\u6700\u8fd1\u7684\u5de5\u4f5c\u65e5\uff1a\u661f\u671f\u4e94\uff0c\u53734\u65e5\u89e6\u53d1\u3002\u5982\u679c5\u65e5\u662f\u661f\u671f\u5929\uff0c\u5219\u57286\u65e5(\u5468\u4e00)\u89e6\u53d1\uff1b\u5982\u679c5\u65e5\u5728\u661f\u671f\u4e00\u5230\u661f\u671f\u4e94\u4e2d\u7684\u4e00\u5929\uff0c\u5219\u5c31\u57285\u65e5\u89e6\u53d1\u3002\u53e6\u5916\u4e00\u70b9\uff0cW\u7684\u6700\u8fd1\u5bfb\u627e\u4e0d\u4f1a\u8de8\u8fc7\u6708\u4efd<\/div>\n
    (8)LW:\u8fd9\u4e24\u4e2a\u5b57\u7b26\u53ef\u4ee5\u8fde\u7528\uff0c\u8868\u793a\u5728\u67d0\u4e2a\u6708\u6700\u540e\u4e00\u4e2a\u5de5\u4f5c\u65e5\uff0c\u5373\u6700\u540e\u4e00\u4e2a\u661f\u671f\u4e94\u3002<\/div>\n
    (9)#:\u7528\u4e8e\u786e\u5b9a\u6bcf\u4e2a\u6708\u7b2c\u51e0\u4e2a\u661f\u671f\u51e0\uff0c\u53ea\u80fd\u51fa\u73b0\u5728DayofMonth\u57df\u3002\u4f8b\u5982\u57284#2\uff0c\u8868\u793a\u67d0\u6708\u7684\u7b2c\u4e8c\u4e2a\u661f\u671f\u4e09\u3002<\/div>\n
    \u4e3e\u51e0\u4e2a\u4f8b\u5b50:<\/div>\n
    0 0 2 1 * ? * \u8868\u793a\u5728\u6bcf\u6708\u76841\u65e5\u7684\u51cc\u66682\u70b9\u8c03\u5ea6\u4efb\u52a1<\/div>\n
    0 15 10 ? * MON-FRI \u8868\u793a\u5468\u4e00\u5230\u5468\u4e94\u6bcf\u5929\u4e0a\u534810\uff1a15\u6267\u884c\u4f5c\u4e1a<\/div>\n
    0 15 10 ? 6L 2002-2006 \u8868\u793a2002-2006\u5e74\u7684\u6bcf\u4e2a\u6708\u7684\u6700\u540e\u4e00\u4e2a\u661f\u671f\u4e94\u4e0a\u534810:15\u6267\u884c\u4f5c<\/div>\n
    0 0 10,14,16 * * ? \u6bcf\u5929\u4e0a\u534810\u70b9\uff0c\u4e0b\u53482\u70b9\uff0c4\u70b9<\/div>\n
    0 0\/30 9-17 * * ? \u671d\u4e5d\u665a\u4e94\u5de5\u4f5c\u65f6\u95f4\u5185\u6bcf\u534a\u5c0f\u65f6<\/div>\n
    0 0 12 ? * WED \u8868\u793a\u6bcf\u4e2a\u661f\u671f\u4e09\u4e2d\u534812\u70b9<\/div>\n
    “0 0 12 * * ?” \u6bcf\u5929\u4e2d\u534812\u70b9\u89e6\u53d1<\/div>\n
    “0 15 10 ? * *” \u6bcf\u5929\u4e0a\u534810:15\u89e6\u53d1<\/div>\n
    “0 15 10 * * ?” \u6bcf\u5929\u4e0a\u534810:15\u89e6\u53d1<\/div>\n
    “0 15 10 * * ? *” \u6bcf\u5929\u4e0a\u534810:15\u89e6\u53d1<\/div>\n
    “0 15 10 * * ? 2005” 2005\u5e74\u7684\u6bcf\u5929\u4e0a\u534810:15\u89e6\u53d1<\/div>\n
    “0 * 14 * * ?” \u5728\u6bcf\u5929\u4e0b\u53482\u70b9\u5230\u4e0b\u53482:59\u671f\u95f4\u7684\u6bcf1\u5206\u949f\u89e6\u53d1<\/div>\n
    “0 0\/5 14 * * ?” \u5728\u6bcf\u5929\u4e0b\u53482\u70b9\u5230\u4e0b\u53482:55\u671f\u95f4\u7684\u6bcf5\u5206\u949f\u89e6\u53d1<\/div>\n
    “0 0\/5 14,18 * * ?” \u5728\u6bcf\u5929\u4e0b\u53482\u70b9\u52302:55\u671f\u95f4\u548c\u4e0b\u53486\u70b9\u52306:55\u671f\u95f4\u7684\u6bcf5\u5206\u949f\u89e6\u53d1<\/div>\n
    “0 0-5 14 * * ?” \u5728\u6bcf\u5929\u4e0b\u53482\u70b9\u5230\u4e0b\u53482:05\u671f\u95f4\u7684\u6bcf1\u5206\u949f\u89e6\u53d1<\/div>\n
    “0 10,44 14 ? 3 WED” \u6bcf\u5e74\u4e09\u6708\u7684\u661f\u671f\u4e09\u7684\u4e0b\u53482:10\u548c2:44\u89e6\u53d1<\/div>\n
    “0 15 10 ? * MON-FRI” \u5468\u4e00\u81f3\u5468\u4e94\u7684\u4e0a\u534810:15\u89e6\u53d1<\/div>\n
    “0 15 10 15 * ?” \u6bcf\u670815\u65e5\u4e0a\u534810:15\u89e6\u53d1<\/div>\n
    “0 15 10 L * ?” \u6bcf\u6708\u6700\u540e\u4e00\u65e5\u7684\u4e0a\u534810:15\u89e6\u53d1<\/div>\n
    “0 15 10 ? * 6L” \u6bcf\u6708\u7684\u6700\u540e\u4e00\u4e2a\u661f\u671f\u4e94\u4e0a\u534810:15\u89e6\u53d1<\/div>\n
    “0 15 10 ? * 6L 2002-2005” 2002\u5e74\u81f32005\u5e74\u7684\u6bcf\u6708\u7684\u6700\u540e\u4e00\u4e2a\u661f\u671f\u4e94\u4e0a\u534810:15\u89e6\u53d1<\/div>\n
    “0 15 10 ? * 6#3” \u6bcf\u6708\u7684\u7b2c\u4e09\u4e2a\u661f\u671f\u4e94\u4e0a\u534810:15\u89e6\u53d1<\/div>\n
    <\/a><\/a><\/a><\/a><\/div>\n
    \n

    \u65f6\u95f4\u5355\u4f4d<\/h3>\n<\/div>\n
    \u514b\u9f99\uff0c\u65f6\u95f4\u5355\u4f4d\uff0c\u4e00\u514b\u9f99\u4e3a\u4e00\u767e\u4e07\u5e74<\/div>\n","protected":false},"excerpt":{"rendered":"

    cron \u7f16\u8f91 \u8ba1\u5212\u4efb\u52a1\uff0c\u662f\u4efb\u52a1\u5728\u7ea6\u5b9a\u7684<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[117],"class_list":["post-1304","post","type-post","status-publish","format-standard","hentry","tag-01-linux"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=1304"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1304\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=1304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=1304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=1304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}