{"id":168079,"date":"2024-05-08T16:16:20","date_gmt":"2024-05-08T08:16:20","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/168079.html"},"modified":"2024-05-08T16:16:24","modified_gmt":"2024-05-08T08:16:24","slug":"javascript-%e4%b8%ad%e5%a6%82%e4%bd%95%e6%93%8d%e4%bd%9c-date-%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/168079.html","title":{"rendered":"javascript \u4e2d\u5982\u4f55\u64cd\u4f5c date \u5bf9\u8c61"},"content":{"rendered":"

\"javascript<\/p>\n

\u5728JavaScript\u4e2d\u64cd\u4f5cDate\u5bf9\u8c61\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8fdb\u884c\uff0c\u5176\u4e2d\u4e3b\u8981\u5305\u62ec\u521b\u5efaDate\u5bf9\u8c61\u3001\u83b7\u53d6Date\u5bf9\u8c61\u7684\u65e5\u671f\u548c\u65f6\u95f4\u4fe1\u606f\u3001\u8bbe\u7f6eDate\u5bf9\u8c61\u7684\u65e5\u671f\u548c\u65f6\u95f4\u4fe1\u606f\u3001\u4ee5\u53ca\u4f7f\u7528Date\u5bf9\u8c61\u8fdb\u884c\u65e5\u671f\u65f6\u95f4\u7684\u8ba1\u7b97<\/strong>\u3002\u8fd9\u4e9b\u64cd\u4f5c\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u5f3a\u5927\u800c\u7075\u6d3b\u7684\u5de5\u5177\uff0c\u4ee5\u4fbf\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5904\u7406\u65e5\u671f\u548c\u65f6\u95f4\u3002<\/p>\n<\/p>\n

\u521b\u5efaDate\u5bf9\u8c61<\/strong>\u662f\u64cd\u4f5c\u7684\u57fa\u7840\u3002JavaScript\u63d0\u4f9b\u4e86\u51e0\u79cd\u521b\u5efaDate\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7new Date()<\/code>\u83b7\u53d6\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u6216\u8005\u4f7f\u7528\u5177\u4f53\u7684\u5e74\u6708\u65e5\u65f6\u5206\u79d2\u7b49\u53c2\u6570\u6765\u521b\u5efaDate\u5bf9\u8c61\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u89e3\u6790\u65e5\u671f\u65f6\u95f4\u5b57\u7b26\u4e32\u6765\u521b\u5efa\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u521b\u5efaDATE\u5bf9\u8c61<\/h3>\n<\/p>\n

\u521b\u5efaDate\u5bf9\u8c61\u662fJavaScript\u4e2d\u5904\u7406\u65e5\u671f\u548c\u65f6\u95f4\u7684\u521d\u59cb\u6b65\u9aa4\u3002JavaScript\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u65b9\u5f0f\u6765\u521b\u5efaDate\u5bf9\u8c61\uff0c\u6ee1\u8db3\u5f00\u53d1\u9700\u8981\u3002<\/p>\n<\/p>\n

    \n
  1. \u65e0\u53c2\u6570\u6784\u9020\u51fd\u6570<\/strong>: \u6700\u7b80\u5355\u7684\u521b\u5efa\u65b9\u5f0f\u662f\u4f7f\u7528\u65e0\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570new Date()<\/code>\uff0c\u8fd9\u4f1a\u751f\u6210\u4e00\u4e2a\u8868\u793a\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\u7684Date\u5bf9\u8c61\u3002<\/li>\n
  2. \u6307\u5b9a\u65e5\u671f\u548c\u65f6\u95f4<\/strong>: \u901a\u8fc7new Date(year, month[, day[, hour[, minutes[, seconds[, milliseconds]]]]])<\/code>\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5177\u4f53\u7684\u65e5\u671f\u548c\u65f6\u95f4\u3002\u6708\u4efd\u662f\u4ece0\u5f00\u59cb\u7684\uff0c\u53730\u8868\u793a1\u6708\uff0c11\u8868\u793a12\u6708\u3002<\/li>\n<\/ol>\n

    \u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\u521b\u5efaDate\u5bf9\u8c61\uff0c\u53ef\u4ee5\u975e\u5e38\u7cbe\u786e\u5730\u6307\u5b9a\u65e5\u671f\u548c\u65f6\u95f4\u3002<\/p>\n<\/p>\n

    \u4e8c\u3001\u83b7\u53d6DATE\u5bf9\u8c61\u7684\u65e5\u671f\u548c\u65f6\u95f4\u4fe1\u606f<\/h3>\n<\/p>\n

    \u83b7\u53d6Date\u5bf9\u8c61\u7684\u65e5\u671f\u548c\u65f6\u95f4\u4fe1\u606f\u662f\u5e38\u89c1\u7684\u64cd\u4f5c\uff0cJavaScript\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u65b9\u6cd5\u6765\u83b7\u53d6\u5e74\u3001\u6708\u3001\u65e5\u3001\u65f6\u3001\u5206\u3001\u79d2\u7b49\u4fe1\u606f\u3002<\/p>\n<\/p>\n

      \n
    1. \u83b7\u53d6\u5e74\u4efd<\/strong>: \u4f7f\u7528getFullYear()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u83b7\u53d6\u56db\u4f4d\u6570\u7684\u5e74\u4efd\u3002<\/li>\n
    2. \u83b7\u53d6\u6708\u4efd<\/strong>: getMonth()<\/code>\u65b9\u6cd5\u8fd4\u56de\u6708\u4efd\uff080-11\uff09\uff0c\u9700\u8981\u52a01\u4ee5\u83b7\u53d6\u5b9e\u9645\u6708\u4efd\u3002<\/li>\n<\/ol>\n

      \u8fd9\u4e9b\u83b7\u53d6\u65b9\u6cd5\u4f7f\u5f97\u4eceDate\u5bf9\u8c61\u4e2d\u63d0\u53d6\u5177\u4f53\u7684\u65e5\u671f\u548c\u65f6\u95f4\u4fe1\u606f\u53d8\u5f97\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<\/p>\n

      \u4e09\u3001\u8bbe\u7f6eDATE\u5bf9\u8c61\u7684\u65e5\u671f\u548c\u65f6\u95f4\u4fe1\u606f<\/h3>\n<\/p>\n

      \u5728\u67d0\u4e9b\u573a\u666f\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u4fee\u6539Date\u5bf9\u8c61\u7684\u65e5\u671f\u548c\u65f6\u95f4\uff0cJavaScript\u4e5f\u4e3a\u6b64\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

        \n
      1. \u8bbe\u7f6e\u5e74\u4efd<\/strong>: setFullYear(year [, month [, day]])<\/code>\u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u5e74\u4efd\uff0c\u5982\u679c\u63d0\u4f9b\u4e86\u6708\u548c\u65e5\uff0c\u4e5f\u4f1a\u4e00\u5e76\u8bbe\u7f6e\u3002<\/li>\n
      2. \u8bbe\u7f6e\u6708\u4efd<\/strong>: \u901a\u8fc7setMonth(month [, day])<\/code>\u65b9\u6cd5\u53ef\u4ee5\u8bbe\u7f6e\u6708\u4efd\uff0c\u6708\u4efd\u4ece0\u5f00\u59cb\u3002<\/li>\n<\/ol>\n

        \u901a\u8fc7\u8bbe\u7f6e\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5bf9Date\u5bf9\u8c61\u8fdb\u884c\u8c03\u6574\uff0c\u4ee5\u6ee1\u8db3\u5e94\u7528\u9700\u6c42\u3002<\/p>\n<\/p>\n

        \u56db\u3001\u4f7f\u7528DATE\u5bf9\u8c61\u8fdb\u884c\u65e5\u671f\u65f6\u95f4\u7684\u8ba1\u7b97<\/h3>\n<\/p>\n

        \u9664\u4e86\u57fa\u672c\u7684\u83b7\u53d6\u548c\u8bbe\u7f6e\u64cd\u4f5c\u4e4b\u5916\uff0cDate\u5bf9\u8c61\u4e5f\u5e38\u7528\u4e8e\u65e5\u671f\u65f6\u95f4\u7684\u8ba1\u7b97\u3002<\/p>\n<\/p>\n

          \n
        1. \u65e5\u671f\u7684\u52a0\u51cf<\/strong>: \u53ef\u4ee5\u901a\u8fc7\u83b7\u53d6Date\u5bf9\u8c61\u7684\u65f6\u95f4\u6233\uff0c\u8fdb\u884c\u52a0\u51cf\u8fd0\u7b97\u540e\uff0c\u518d\u8f6c\u6362\u56deDate\u5bf9\u8c61\u6765\u5b9e\u73b0\u65e5\u671f\u7684\u52a0\u51cf\u3002<\/li>\n
        2. \u6bd4\u8f83\u65e5\u671f<\/strong>: \u901a\u8fc7\u6bd4\u8f83Date\u5bf9\u8c61\u7684\u65f6\u95f4\u6233\uff0c\u53ef\u4ee5\u5224\u65ad\u4e24\u4e2a\u65e5\u671f\u7684\u5148\u540e\u3002<\/li>\n<\/ol>\n

          \u8fd9\u4e9b\u64cd\u4f5c\u5c55\u73b0\u4e86Date\u5bf9\u8c61\u5728\u65e5\u671f\u65f6\u95f4\u8ba1\u7b97\u65b9\u9762\u7684\u5f3a\u5927\u80fd\u529b\u3002<\/p>\n<\/p>\n

          \u7efc\u4e0a\u6240\u8ff0\uff0cJavaScript\u4e2d\u7684Date\u5bf9\u8c61\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u65b9\u6cd5\u6765\u5904\u7406\u65e5\u671f\u548c\u65f6\u95f4\u3002\u65e0\u8bba\u662f\u521b\u5efaDate\u5bf9\u8c61\u3001\u83b7\u53d6\u6216\u8bbe\u7f6e\u65e5\u671f\u65f6\u95f4\u4fe1\u606f\uff0c\u8fd8\u662f\u8fdb\u884c\u65e5\u671f\u65f6\u95f4\u8ba1\u7b97\uff0cJavaScript\u90fd\u80fd\u6ee1\u8db3\u5f00\u53d1\u8005\u7684\u9700\u6c42\uff0c\u4f7f\u5176\u5728\u5f00\u53d1\u4e2d\u80fd\u591f\u7075\u6d3b\u9ad8\u6548\u5730\u64cd\u4f5c\u65e5\u671f\u548c\u65f6\u95f4\u3002\u901a\u8fc7\u719f\u7ec3\u8fd0\u7528\u8fd9\u4e9b\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u5347\u5f00\u53d1\u6548\u7387\u548c\u5e94\u7528\u6027\u80fd\u3002<\/p>\n<\/p>\n

          \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

          1. \u5982\u4f55\u5728 JavaScript \u4e2d\u83b7\u53d6\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\uff1f<\/strong>
          \n\u4f60\u53ef\u4ee5\u4f7f\u7528 JavaScript \u7684 Date \u5bf9\u8c61\u6765\u83b7\u53d6\u5f53\u524d\u7684\u65e5\u671f\u548c\u65f6\u95f4\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u6765\u5b9e\u73b0\uff1a<\/p>\n

          let currentDate = new Date();\nconsole.log(currentDate);\n<\/code><\/pre>\n
          \u8fd9\u5c06\u8f93\u51fa\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\u7684\u5b8c\u6574\u4fe1\u606f\uff0c\u5305\u62ec\u5e74\u4efd\u3001\u6708\u4efd\u3001\u65e5\u671f\u3001\u5c0f\u65f6\u3001\u5206\u949f\u3001\u79d2\u7b49\u3002<\/p>\n
          2. \u5982\u4f55\u5728 JavaScript \u4e2d\u83b7\u53d6\u67d0\u4e2a\u7279\u5b9a\u65e5\u671f\u7684\u5e74\u4efd\u3001\u6708\u4efd\u548c\u65e5\u671f\uff1f<\/strong>
          \n\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u7279\u5b9a\u7684\u65e5\u671f\uff0c\u60f3\u8981\u83b7\u53d6\u5b83\u7684\u5e74\u4efd\u3001\u6708\u4efd\u548c\u65e5\u671f\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528 Date \u5bf9\u8c61\u7684\u5185\u7f6e\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n
          let specificDate = new Date('2021-12-31');\nlet year = specificDate.getFullYear();\nlet month = specificDate.getMonth() + 1; \/\/ \u6ce8\u610f\u6708\u4efd\u662f\u4ece0\u5f00\u59cb\u7684\uff0c\u6240\u4ee5\u8981\u52a01\nlet date = specificDate.getDate();\n\nconsole.log(year, month, date);\n<\/code><\/pre>\n
          \u8fd9\u5c06\u8f93\u51fa\u7279\u5b9a\u65e5\u671f\u7684\u5e74\u4efd\u3001\u6708\u4efd\u548c\u65e5\u671f\u3002<\/p>\n
          3. \u5982\u4f55\u5728 JavaScript \u4e2d\u5bf9\u65e5\u671f\u8fdb\u884c\u8ba1\u7b97\u548c\u64cd\u4f5c\uff1f<\/strong>
          \nJavaScript \u7684 Date \u5bf9\u8c61\u63d0\u4f9b\u4e86\u8bb8\u591a\u65b9\u6cd5\u6765\u8fdb\u884c\u65e5\u671f\u8ba1\u7b97\u548c\u64cd\u4f5c\u3002
          \n\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684 setDate()<\/code> \u65b9\u6cd5\u6765\u8bbe\u7f6e\u65e5\u671f\uff0c\u4f7f\u7528 setMonth()<\/code> \u65b9\u6cd5\u6765\u8bbe\u7f6e\u6708\u4efd\uff0c\u4f7f\u7528 setFullYear()<\/code> \u65b9\u6cd5\u6765\u8bbe\u7f6e\u5e74\u4efd\u3002<\/p>\n
          let currentDate = new Date();\ncurrentDate.setDate(currentDate.getDate() + 7); \/\/ \u589e\u52a07\u5929\ncurrentDate.setFullYear(currentDate.getFullYear() - 1); \/\/ \u51cf\u5c111\u5e74\n\nconsole.log(currentDate);\n<\/code><\/pre>\n
          \u8fd9\u4e2a\u4f8b\u5b50\u6f14\u793a\u4e86\u5982\u4f55\u5bf9\u5f53\u524d\u65e5\u671f\u8fdb\u884c\u8ba1\u7b97\u548c\u64cd\u4f5c\uff0c\u589e\u52a0\u4e867\u5929\u5e76\u51cf\u5c11\u4e861\u5e74\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4f7f\u7528\u4e0d\u540c\u7684\u65b9\u6cd5\u6765\u64cd\u4f5c\u65e5\u671f\u5bf9\u8c61\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728JavaScript\u4e2d\u64cd\u4f5cDate\u5bf9\u8c61\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8fdb\u884c\uff0c\u5176\u4e2d\u4e3b\u8981\u5305\u62ec\u521b\u5efaDate\u5bf9\u8c61\u3001\u83b7\u53d6Date\u5bf9\u8c61\u7684 […]","protected":false},"author":3,"featured_media":168086,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/168079"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=168079"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/168079\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/168086"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=168079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=168079"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=168079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}