{"id":25485,"date":"2024-11-24T15:31:17","date_gmt":"2024-11-24T07:31:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/25485\/"},"modified":"2024-11-24T15:31:17","modified_gmt":"2024-11-24T07:31:17","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8javascript%e6%a0%b9%e6%8d%ae%e7%89%b9%e5%ae%9a%e5%ad%97%e6%ae%b5%e5%88%a4%e6%96%ad%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%84%e9%87%8d%e5%a4%8d%e9%a1%b9%e5%b9%b6-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/25485\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528JavaScript\u6839\u636e\u7279\u5b9a\u5b57\u6bb5\u5224\u65ad\u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u9879\u5e76\u663e\u793a\u91cd\u590d\u6b21\u6570\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173062102881701.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528JavaScript\u6839\u636e\u7279\u5b9a\u5b57\u6bb5\u5224\u65ad\u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u9879\u5e76\u663e\u793a\u91cd\u590d\u6b21\u6570\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528JavaScript\u6839\u636e\u7279\u5b9a\u5b57\u6bb5\u5224\u65ad\u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u9879\u5e76\u663e\u793a\u91cd\u590d\u6b21\u6570\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528javascript\u6839\u636e\u7279\u5b9a\u5b57\u6bb5\u5224\u65ad\u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u9879\u5e76\u663e\u793a\u91cd\u590d\u6b21\u6570\uff1f<\/strong><\/p>\n<p>\u5728\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u4ece\u540e\u53f0\u83b7\u53d6\u6570\u7ec4\u6570\u636e\u7684\u60c5\u51b5\uff0c\u5e76\u9700\u8981\u6839\u636e\u7279\u5b9a\u5b57\u6bb5\u5224\u65ad\u6570\u636e\u9879\u662f\u5426\u91cd\u590d\uff0c\u5e76\u7edf\u8ba1\u91cd\u590d\u7684\u6b21\u6570\u3002\u4e0b\u9762\u63d0\u4f9b\u4e00\u79cd\u4f7f\u7528JavaScript\u5b9e\u73b0\u8be5\u529f\u80fd\u7684\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<pre>let list = [\n  {\n    DF: 343,\n    Fstep: 0.2,\n    NO: 1004,\n  },\n  {\n    DF: 344,\n    Fstep: 0.2,\n    NO: 1005,\n  },\n  {\n    DF: 345,\n    Fstep: 0.2,\n    NO: 1004,\n  },\n  {\n    DF: 346,\n    Fstep: 0.2,\n    NO: 1004,\n  },\n  {\n    DF: 347,\n    Fstep: 0.2,\n    NO: 1006,\n  },\n  {\n    DF: 348,\n    Fstep: 0.2,\n    NO: 1005,\n  },\n];\n\nlet newArr = [];\n\n\/\/ \u4f7f\u7528reduce\u65b9\u6cd5\u5faa\u73af\u904d\u5386\u6570\u7ec4\nlet result = list.reduce((s, v) =&gt; {\n  \/\/ \u67e5\u627e\u5f53\u524d\u5143\u7d20\u5728\u5df2\u7ecf\u5904\u7406\u6570\u636e\u7684\u6570\u7ec4\uff08s\uff09\u4e2d\u7684\u7d22\u5f15\n  let index = s.findIndex((it) =&gt; it.NO === v.NO);\n\n  \/\/ \u5982\u679c\u627e\u5230\u91cd\u590d\u5143\u7d20\n  if (index !== -1) {\n    \/\/ \u66f4\u65b0\u91cd\u590d\u5143\u7d20\u7684\u5c5e\u6027\uff0c\u5305\u62ec\u5f00\u59cb\u65f6\u95f4\u3001\u7ed3\u675f\u65f6\u95f4\u548c\u91cd\u590d\u6b21\u6570\n    s[index] = {\n      ...v,\n      startTime: s[index].startTime,\n      endTime: getNowDate(),\n      count: ++s[index].count,\n    };\n  } else {\n    \/\/ \u5982\u679c\u662f\u65b0\u5143\u7d20\uff0c\u5219\u5c06\u5176\u6dfb\u52a0\u5230\u7ed3\u679c\u6570\u7ec4\n    s.push({ ...v, count: 1, startTime: getNowDate(), endTime: getNowDate() });\n  }\n  \/\/ \u8fd4\u56de\u7ed3\u679c\u6570\u7ec4\n  return s;\n}, newArr);\n\nconsole.log(result);\n\n\/\/ \u83b7\u53d6\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\nfunction getNowDate() {\n  var date = new Date();\n  var sign2 = \":\";\n  var year = date.getFullYear();\n  var month = date.getMonth() + 1;\n  var day = date.getDate();\n  var hour = date.getHours();\n  var minutes = date.getMinutes();\n  var seconds = date.getSeconds();\n  var weekArr = [\"\u661f\u671f\u4e00\", \"\u661f\u671f\u4e8c\", \"\u661f\u671f\u4e09\", \"\u661f\u671f\u56db\", \"\u661f\u671f\u4e94\", \"\u661f\u671f\u516d\", \"\u661f\u671f\u5929\"];\n  var week = weekArr[date.getDay()];\n  \/\/ \u7ed9\u4e00\u4f4d\u6570\u7684\u6570\u636e\u524d\u9762\u52a0\u201c0\u201d\n  if (month &gt;= 1 &amp;&amp; month &lt;= 9) {\n    month = \"0\" + month;\n  }\n  if (day &gt;= 0 &amp;&amp; day &lt;= 9) {\n    day = \"0\" + day;\n  }\n  if (hour &gt;= 0 &amp;&amp; hour &lt;= 9) {\n    hour = \"0\" + hour;\n  }\n  if (minutes &gt;= 0 &amp;&amp; minutes &lt;= 9) {\n    minutes = \"0\" + minutes;\n  }\n  if (seconds &gt;= 0 &amp;&amp; seconds &lt;= 9) {\n    seconds = \"0\" + seconds;\n  }\n  return year + \"-\" + month + \"-\" + day + \" \" + hour + sign2 + minutes + sign2 + seconds;\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528reduce\u65b9\u6cd5\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528findIndex()\u65b9\u6cd5\u67e5\u627e\u4e0e\u5f53\u524d\u5143\u7d20\u5177\u6709\u76f8\u540c\u201cNO\u201d\u5b57\u6bb5\u7684\u5143\u7d20\u3002\u5982\u679c\u627e\u5230\uff0c\u5219\u66f4\u65b0\u91cd\u590d\u5143\u7d20\u7684\u5c5e\u6027\uff0c\u5305\u62ec\u5f00\u59cb\u65f6\u95f4\u3001\u7ed3\u675f\u65f6\u95f4\u548c\u91cd\u590d\u6b21\u6570\uff1b\u5982\u679c\u672a\u627e\u5230\uff0c\u5219\u5c06\u5f53\u524d\u5143\u7d20\u4f5c\u4e3a\u65b0\u5143\u7d20\u6dfb\u52a0\u5230\u7ed3\u679c\u6570\u7ec4\u3002<\/p>\n<p>\u6700\u540e\uff0c\u4f7f\u7528getNowDate()\u51fd\u6570\u83b7\u53d6\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u5e76\u66f4\u65b0\u5f00\u59cb\u65f6\u95f4\u548c\u7ed3\u675f\u65f6\u95f4\u5c5e\u6027\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u904d\u5386\u6570\u7ec4\uff0c\u7edf\u8ba1\u91cd\u590d\u9879\u5e76\u663e\u793a\u91cd\u590d\u6b21\u6570\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528JavaScript\u6839\u636e\u7279\u5b9a\u5b57\u6bb5\u5224\u65ad\u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u9879\u5e76\u663e\u793a\u91cd\u590d\u6b21\u6570\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528javascript\u6839\u636e\u7279\u5b9a\u5b57\u6bb5\u5224\u65ad\u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u9879\u5e76\u663e\u793a\u91cd\u590d\u6b21\u6570\uff1f \u5728\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u4ece\u540e\u53f0\u83b7\u53d6\u6570\u7ec4\u6570\u636e\u7684\u60c5\u51b5\uff0c\u5e76\u9700\u8981\u6839\u636e\u7279\u5b9a\u5b57\u6bb5\u5224\u65ad\u6570\u636e\u9879\u662f\u5426\u91cd\u590d\uff0c\u5e76\u7edf\u8ba1\u91cd\u590d\u7684\u6b21\u6570\u3002\u4e0b\u9762\u63d0\u4f9b\u4e00\u79cd\u4f7f\u7528JavaScript\u5b9e\u73b0\u8be5\u529f\u80fd\u7684\u89e3\u51b3\u65b9\u6848\uff1a let list = [ { DF: 343, Fstep: 0.2, NO: 1004, }, { DF: 344, Fstep: 0.2, NO: 1005, }, { DF: 345, Fstep: 0.2, NO: 1004, }, { DF: 346, Fstep: 0.2, NO: 1004, }, { DF: 347, Fstep: 0.2, NO: 1006, }, { DF: 348, Fstep: 0.2, NO: 1005, }, ]; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-25485","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=25485"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25485\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=25485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=25485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=25485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}