{"id":270877,"date":"2024-05-16T12:40:27","date_gmt":"2024-05-16T04:40:27","guid":{"rendered":""},"modified":"2024-05-16T12:40:42","modified_gmt":"2024-05-16T04:40:42","slug":"node-%e9%a1%b9%e7%9b%ae%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e4%ba%8c%e5%88%86%e6%b3%95%e6%9f%a5%e6%89%be","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/270877.html","title":{"rendered":"node \u9879\u76ee\u5982\u4f55\u5b9e\u73b0\u4e8c\u5206\u6cd5\u67e5\u627e"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24193723\/b38586f5-a17c-4ade-b1f0-aa08affb658c.webp\" alt=\"node \u9879\u76ee\u5982\u4f55\u5b9e\u73b0\u4e8c\u5206\u6cd5\u67e5\u627e\" \/><\/p>\n<p><p>\u4e8c\u5206\u6cd5\u67e5\u627e\u662f\u4e00\u79cd\u5728\u5df2\u6392\u5e8f\u7684\u6570\u7ec4\u4e2d\u67e5\u627e\u7279\u5b9a\u5143\u7d20\u7684\u9ad8\u6548\u7b97\u6cd5\u3002\u5b83\u901a\u8fc7\u5c06\u76ee\u6807\u503c\u4e0e\u6570\u7ec4\u4e2d\u95f4\u5143\u7d20\u6bd4\u8f83\uff0c\u9010\u6b65\u7f29\u5c0f\u641c\u7d22\u8303\u56f4\u6765\u5b9e\u73b0\u67e5\u627e\uff0c\u76f4\u5230\u627e\u5230\u76ee\u6807\u503c\u6216\u786e\u5b9a\u5176\u4e0d\u5b58\u5728\u3002\u5728Node.js\u9879\u76ee\u4e2d\uff0c<strong>\u5b9e\u73b0\u4e8c\u5206\u67e5\u627e\u9700\u8981\u786e\u4fdd\u6570\u7ec4\u5df2\u6392\u5e8f\u3001\u786e\u5b9a\u9ad8\u4f4e\u7d22\u5f15\u8fb9\u754c\u3001\u8fed\u4ee3\u6216\u9012\u5f52\u8fdb\u884c\u4e2d\u95f4\u5143\u7d20\u6bd4\u8f83<\/strong>\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u5982\u4f55\u5728Node.js\u73af\u5883\u4e2d\u7f16\u5199\u9ad8\u6548\u7684\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\u3002<\/p>\n<\/p>\n<p><h2>\u4e00\u3001\u7406\u89e3\u4e8c\u5206\u67e5\u627e\u539f\u7406<\/h2>\n<\/p>\n<p><p>\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\u57fa\u4e8e\u5206\u800c\u6cbb\u4e4b\u7684\u7b56\u7565\u3002\u5b83\u6bd4\u8f83\u6570\u7ec4\u7684\u4e2d\u95f4\u9879\u4e0e\u76ee\u6807\u503c\uff0c\u5982\u679c\u5339\u914d\u5219\u8fd4\u56de\u8be5\u4f4d\u7f6e\u7684\u7d22\u5f15\uff0c\u5982\u679c\u76ee\u6807\u503c\u66f4\u5c0f\uff0c\u5219\u5728\u5de6\u4fa7\u5b50\u6570\u7ec4\u4e2d\u7ee7\u7eed\u67e5\u627e\uff0c\u53cd\u4e4b\u5219\u5728\u53f3\u4fa7\u5b50\u6570\u7ec4\u3002\u6bcf\u6b21\u6bd4\u8f83\u540e\uff0c\u641c\u7d22\u7a7a\u95f4\u51cf\u534a\uff0c\u8fd9\u5c31\u662f\u4e8c\u5206\u67e5\u627e\u6548\u7387\u8f83\u9ad8\u7684\u539f\u56e0\u3002<\/p>\n<\/p>\n<p><h3>\u8fed\u4ee3\u5b9e\u73b0<\/h3>\n<\/p>\n<p><p>\u8fed\u4ee3\u5b9e\u73b0\u662f\u521b\u5efa\u4e00\u4e2a\u5faa\u73af\uff0c\u6bcf\u6b21\u5faa\u73af\u5c06\u76ee\u6807\u503c\u4e0e\u5b50\u6570\u7ec4\u7684\u4e2d\u95f4\u503c\u6bd4\u8f83\uff0c\u6839\u636e\u6bd4\u8f83\u7ed3\u679c\u8c03\u6574\u641c\u7d22\u8303\u56f4\u76f4\u5230\u627e\u5230\u76ee\u6807\u503c\u6216\u641c\u7d22\u8303\u56f4\u4e3a\u7a7a\u3002<\/p>\n<\/p>\n<p><h3>\u9012\u5f52\u5b9e\u73b0<\/h3>\n<\/p>\n<p><p>\u9012\u5f52\u5b9e\u73b0\u662f\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u6765\u4e0d\u65ad\u5730\u5c06\u95ee\u9898\u89c4\u6a21\u7f29\u5c0f\u4e3a\u5b50\u95ee\u9898\uff0c\u7136\u540e\u5728\u8fd9\u4e2a\u8f83\u5c0f\u7684\u6570\u7ec4\u4e2d\u6267\u884c\u540c\u6837\u7684\u67e5\u627e\u6b65\u9aa4\u3002<\/p>\n<\/p>\n<p><h2>\u4e8c\u3001\u51c6\u5907\u6392\u5e8f\u597d\u7684\u6570\u7ec4<\/h2>\n<\/p>\n<p><p>\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\u7684\u524d\u63d0\u6761\u4ef6\u662f\u6570\u7ec4\u5fc5\u987b\u662f\u6709\u5e8f\u7684\uff0c\u65e0\u8bba\u662f\u5347\u5e8f\u8fd8\u662f\u964d\u5e8f\u3002\u5728Node.js\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u81ea\u5e26\u7684\u6570\u7ec4\u65b9\u6cd5<code>.sort()<\/code>\u8fdb\u884c\u6392\u5e8f\uff0c\u6216\u8005\u8c03\u7528\u5176\u4ed6\u6392\u5e8f\u7b97\u6cd5\u786e\u4fdd\u6570\u7ec4\u7684\u6709\u5e8f\u6027\u3002<\/p>\n<\/p>\n<p><h3>\u5e94\u7528\u81ea\u5e26\u6392\u5e8f\u65b9\u6cd5<\/h3>\n<\/p>\n<p><pre><code class=\"language-javascript\">let array = [4, 2, 7, 1, 9, 3];<\/p>\n<p>array.sort((a, b) =&gt; a - b); \/\/ \u5347\u5e8f\u6392\u5217<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4f7f\u7528\u81ea\u5b9a\u4e49\u6392\u5e8f\u7b97\u6cd5<\/h3>\n<\/p>\n<p><p>\u81ea\u5b9a\u4e49\u6392\u5e8f\u7b97\u6cd5\u5982\u5feb\u901f\u6392\u5e8f\u3001\u5f52\u5e76\u6392\u5e8f\u7b49\u4e5f\u53ef\u4ee5\u7528\u6765\u786e\u4fdd\u6570\u7ec4\u7684\u6709\u5e8f\u6027\uff0c\u8fd9\u5bf9\u4e8e\u4e8c\u5206\u67e5\u627e\u6765\u8bf4\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n<p><h2>\u4e09\u3001\u7f16\u5199\u8fed\u4ee3\u5f0f\u4e8c\u5206\u67e5\u627e\u51fd\u6570<\/h2>\n<\/p>\n<p><p>\u5c06\u95ee\u9898\u5206\u4e3a\u521d\u59cb\u5316\u53d8\u91cf\u3001\u5faa\u73af\u6761\u4ef6\u548c\u6bcf\u6b21\u8fed\u4ee3\u66f4\u65b0\u53d8\u91cf\u3002<\/p>\n<\/p>\n<p><h3>\u521d\u59cb\u5316\u53d8\u91cf<\/h3>\n<\/p>\n<p><p>\u521d\u59cb\u5316\u641c\u7d22\u8303\u56f4\u7684\u5de6\u53f3\u8fb9\u754c\uff0c\u901a\u5e38\u5de6\u8fb9\u754c\u662f0\uff0c\u53f3\u8fb9\u754c\u662f\u6570\u7ec4\u957f\u5ea6\u51cf\u53bb1\u3002<\/p>\n<\/p>\n<p><h3>\u5faa\u73af\u6761\u4ef6\u548c\u66f4\u65b0\u53d8\u91cf<\/h3>\n<\/p>\n<p><p>\u5faa\u73af\u8fdb\u884c\uff0c\u76f4\u5230\u5de6\u8fb9\u754c\u5927\u4e8e\u53f3\u8fb9\u754c\u3002\u6bcf\u6b21\u5faa\u73af\u66f4\u65b0\u4e2d\u95f4\u7d22\u5f15\u548c\u6bd4\u8f83\u4e2d\u95f4\u503c\u4e0e\u76ee\u6807\u503c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">function iterativeBinarySearch(arr, value) {<\/p>\n<p>  let low = 0;<\/p>\n<p>  let high = arr.length - 1;<\/p>\n<p>  while(low &lt;= high) {<\/p>\n<p>    let mid = Math.floor((low + high) \/ 2);<\/p>\n<p>    let guess = arr[mid];<\/p>\n<p>    if(guess === value) {<\/p>\n<p>      return mid; \/\/ \u627e\u5230\u76ee\u6807\u503c<\/p>\n<p>    } else if(guess &gt; value) {<\/p>\n<p>      high = mid - 1; \/\/ \u76ee\u6807\u503c\u5728\u5de6\u4fa7\u5b50\u6570\u7ec4<\/p>\n<p>    } else {<\/p>\n<p>      low = mid + 1; \/\/ \u76ee\u6807\u503c\u5728\u53f3\u4fa7\u5b50\u6570\u7ec4<\/p>\n<p>    }<\/p>\n<p>  }<\/p>\n<p>  return -1; \/\/ \u672a\u627e\u5230\u76ee\u6807\u503c<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>\u56db\u3001\u7f16\u5199\u9012\u5f52\u5f0f\u4e8c\u5206\u67e5\u627e\u51fd\u6570<\/h2>\n<\/p>\n<p><p>\u9012\u5f52\u5b9e\u73b0\u9700\u8981\u5b9a\u4e49\u9012\u5f52\u51fd\u6570\uff0c\u5e76\u6b63\u786e\u5904\u7406\u57fa\u672c\u60c5\u51b5\u548c\u9012\u5f52\u60c5\u51b5\u3002<\/p>\n<\/p>\n<p><h3>\u5b9a\u4e49\u9012\u5f52\u51fd\u6570<\/h3>\n<\/p>\n<p><p>\u9012\u5f52\u51fd\u6570\u9700\u8981\u989d\u5916\u7684\u53c2\u6570\u6765\u8868\u793a\u5f53\u524d\u641c\u7d22\u7684\u8fb9\u754c\u3002<\/p>\n<\/p>\n<p><h3>\u5904\u7406\u57fa\u672c\u60c5\u51b5\u548c\u9012\u5f52\u60c5\u51b5<\/h3>\n<\/p>\n<p><p>\u57fa\u672c\u60c5\u51b5\u662f\u627e\u5230\u76ee\u6807\u503c\u6216\u641c\u7d22\u8303\u56f4\u4e3a\u7a7a\u3002\u9012\u5f52\u60c5\u51b5\u662f\u5728\u76f8\u5e94\u7684\u5b50\u6570\u7ec4\u4e2d\u9012\u5f52\u8c03\u7528\u67e5\u627e\u51fd\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">function recursiveBinarySearch(arr, value, low, high) {<\/p>\n<p>  if(low &gt; high) {<\/p>\n<p>    return -1; \/\/ \u641c\u7d22\u8303\u56f4\u4e3a\u7a7a<\/p>\n<p>  }<\/p>\n<p>  let mid = Math.floor((low + high) \/ 2);<\/p>\n<p>  let guess = arr[mid];<\/p>\n<p>  if(guess === value) {<\/p>\n<p>    return mid; \/\/ \u627e\u5230\u76ee\u6807\u503c<\/p>\n<p>  } else if(guess &gt; value) {<\/p>\n<p>    return recursiveBinarySearch(arr, value, low, mid - 1); \/\/ \u5de6\u4fa7\u5b50\u6570\u7ec4\u9012\u5f52<\/p>\n<p>  } else {<\/p>\n<p>    return recursiveBinarySearch(arr, value, mid + 1, high); \/\/ \u53f3\u4fa7\u5b50\u6570\u7ec4\u9012\u5f52<\/p>\n<p>  }<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>\u4e94\u3001\u6d4b\u8bd5\u548c\u9a8c\u8bc1<\/h2>\n<\/p>\n<p><p>\u4efb\u4f55\u7b97\u6cd5\u5b9e\u73b0\u540e\u7684\u91cd\u8981\u4e00\u6b65\u662f\u6d4b\u8bd5\u548c\u9a8c\u8bc1\u5176\u6b63\u786e\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u6d4b\u8bd5\u7528\u4f8b\u6765\u786e\u4fdd\u4e8c\u5206\u67e5\u627e\u7684\u5b9e\u73b0\u662f\u6b63\u786e\u7684\u3002<\/p>\n<\/p>\n<p><h3>\u7f16\u5199\u6d4b\u8bd5\u7528\u4f8b<\/h3>\n<\/p>\n<p><p>\u521b\u5efa\u4e00\u7cfb\u5217\u671f\u671b\u503c\u548c\u8f93\u5165\u503c\u6765\u68c0\u9a8c\u4e8c\u5206\u67e5\u627e\u51fd\u6570\u7684\u8868\u73b0\u3002\u9a8c\u8bc1\u8fd4\u56de\u7684\u7d22\u5f15\u786e\u5b9e\u6307\u5411\u6570\u7ec4\u4e2d\u6b63\u786e\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><h3>\u8fdb\u884c\u8fb9\u754c\u6d4b\u8bd5<\/h3>\n<\/p>\n<p><p>\u4e0d\u8981\u5fd8\u8bb0\u6d4b\u8bd5\u8fb9\u754c\u6761\u4ef6\uff0c\u4f8b\u5982\u7a7a\u6570\u7ec4\u3001\u6570\u7ec4\u53ea\u6709\u4e00\u4e2a\u5143\u7d20\u3001\u76ee\u6807\u503c\u5728\u6570\u7ec4\u7684\u6700\u5de6\u4fa7\u6216\u6700\u53f3\u4fa7\u7b49\u3002<\/p>\n<\/p>\n<p><h2>\u7ed3\u8bba<\/h2>\n<\/p>\n<p><p>\u5728Node.js\u9879\u76ee\u4e2d\u5b9e\u73b0\u4e8c\u5206\u67e5\u627e\u6d89\u53ca\u7406\u89e3\u7b97\u6cd5\u539f\u7406\u3001\u786e\u4fdd\u6570\u7ec4\u6392\u5e8f\u3001\u9009\u62e9\u8fed\u4ee3\u6216\u9012\u5f52\u65b9\u6cd5\u7f16\u5199\u67e5\u627e\u51fd\u6570\u4ee5\u53ca\u6d4b\u8bd5\u9a8c\u8bc1\u6b63\u786e\u6027\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u4e0d\u4ec5\u9700\u8981\u4ee3\u7801\u5b9e\u73b0\u6280\u5de7\uff0c\u8fd8\u8981\u6709\u6d4b\u8bd5\u548c\u8c03\u8bd5\u7684\u80fd\u529b\u3002<strong>\u8fed\u4ee3\u548c\u9012\u5f52\u4e24\u79cd\u65b9\u5f0f\u90fd\u53ef\u4ee5\u5b9e\u73b0\u4e8c\u5206\u67e5\u627e\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002<\/strong><\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. 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