{"id":166315,"date":"2024-05-08T15:34:12","date_gmt":"2024-05-08T07:34:12","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/166315.html"},"modified":"2024-05-08T15:34:19","modified_gmt":"2024-05-08T07:34:19","slug":"javascript%e6%80%8e%e4%b9%88%e6%b1%82%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e4%b8%a4%e6%9d%a1%e5%af%b9%e8%a7%92%e7%ba%bf%e7%9a%84%e5%92%8c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/166315.html","title":{"rendered":"JavaScript\u600e\u4e48\u6c42\u4e8c\u7ef4\u6570\u7ec4\u4e24\u6761\u5bf9\u89d2\u7ebf\u7684\u548c"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/26233418\/dcc5b827-fcd2-4090-9325-f9723f4f5dc5.webp\" alt=\"JavaScript\u600e\u4e48\u6c42\u4e8c\u7ef4\u6570\u7ec4\u4e24\u6761\u5bf9\u89d2\u7ebf\u7684\u548c\" \/><\/p>\n<p><p>JavaScript\u4e2d\u6c42\u4e8c\u7ef4\u6570\u7ec4\u4e24\u6761\u5bf9\u89d2\u7ebf\u7684\u548c\u53ef\u4ee5\u901a\u8fc7\u904d\u5386\u6570\u7ec4\u7684\u65b9\u5f0f\u5b9e\u73b0\uff0c\u4e3b\u8981\u662f\u6309\u7167\u5bf9\u89d2\u7ebf\u7684\u7d22\u5f15\u89c4\u5f8b\u76f8\u52a0\u6570\u7ec4\u5143\u7d20\u3002<strong>\u4e24\u6761\u5bf9\u89d2\u7ebf\u7684\u548c\u5206\u522b\u7531\u4e3b\u5bf9\u89d2\u7ebf\uff08\u5de6\u4e0a\u81f3\u53f3\u4e0b\uff09\u548c\u526f\u5bf9\u89d2\u7ebf\uff08\u53f3\u4e0a\u81f3\u5de6\u4e0b\uff09\u7684\u5143\u7d20\u4e4b\u548c\u7ec4\u6210<\/strong>\u3002\u5bf9\u4e8e\u4e3b\u5bf9\u89d2\u7ebf\u4e0a\u7684\u5143\u7d20\uff0c\u5176\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u76f8\u540c\uff1b\u800c\u5bf9\u4e8e\u526f\u5bf9\u89d2\u7ebf\u4e0a\u7684\u5143\u7d20\uff0c\u5176\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u4e4b\u548c\u7b49\u4e8e\u6570\u7ec4\u957f\u5ea6\u51cf\u4e00\u3002<\/p>\n<\/p>\n<p><p>\u4e0b\u9762\u8be6\u7ec6\u9610\u91ca\u5982\u4f55\u5b9e\u73b0\u8be5\u8ba1\u7b97\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u5b9a\u4e49\u53d8\u91cf\u548c\u51fd\u6570<\/h3>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u51fd\u6570\u6765\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u4e24\u6761\u5bf9\u89d2\u7ebf\u7684\u548c\u3002<\/p>\n<\/p>\n<p><pre><code>function calculateDiagonalsSum(matrix) {<\/p>\n<p>    let primaryDiagonalSum = 0;<\/p>\n<p>    let secondaryDiagonalSum = 0;<\/p>\n<p>    let matrixSize = matrix.length;<\/p>\n<p>    for (let i = 0; i &lt; matrixSize; i++) {<\/p>\n<p>        \/\/ \u8ba1\u7b97\u4e3b\u5bf9\u89d2\u7ebf\u7684\u548c<\/p>\n<p>        primaryDiagonalSum += matrix[i][i];<\/p>\n<p>        \/\/ \u8ba1\u7b97\u526f\u5bf9\u89d2\u7ebf\u7684\u548c<\/p>\n<p>        secondaryDiagonalSum += matrix[i][matrixSize - 1 - i];<\/p>\n<p>    }<\/p>\n<p>    return {<\/p>\n<p>        primaryDiagonal: primaryDiagonalSum,<\/p>\n<p>        secondaryDiagonal: secondaryDiagonalSum,<\/p>\n<p>        totalSum: primaryDiagonalSum + secondaryDiagonalSum<\/p>\n<p>    };<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a\u7d2f\u52a0\u53d8\u91cf <code>primaryDiagonalSum<\/code> \u548c <code>secondaryDiagonalSum<\/code> \u5206\u522b\u6765\u8ba1\u7b97\u4e3b\u5bf9\u89d2\u7ebf\u548c\u526f\u5bf9\u89d2\u7ebf\u7684\u548c\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u904d\u5386\u6570\u7ec4\u7d22\u5f15<\/h3>\n<\/p>\n<p><p>\u5229\u7528\u4e00\u4e2a <code>for<\/code> \u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<\/p>\n<p><pre><code>for (let i = 0; i &lt; matrixSize; i++) {<\/p>\n<p>    primaryDiagonalSum += matrix[i][i];<\/p>\n<p>    secondaryDiagonalSum += matrix[i][matrixSize - 1 - i];<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u5728\u6bcf\u6b21\u5faa\u73af\u4e2d\uff0c\u901a\u8fc7 <code>i<\/code> \u6765\u83b7\u53d6\u5bf9\u5e94\u4e3b\u5bf9\u89d2\u7ebf\u5143\u7d20 <code>matrix[i][i]<\/code> \u548c\u526f\u5bf9\u89d2\u7ebf\u5143\u7d20 <code>matrix[i][matrixSize - 1 - i]<\/code><\/strong>\uff0c\u5e76\u7d2f\u52a0\u5230\u4e4b\u524d\u5b9a\u4e49\u7684\u53d8\u91cf\u4e2d\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u8fd4\u56de\u7ed3\u679c<\/h3>\n<\/p>\n<p><p>\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u5c5e\u6027\u7684\u5bf9\u8c61\uff0c\u5206\u522b\u8868\u793a\u4e3b\u5bf9\u89d2\u7ebf\u7684\u548c\u3001\u526f\u5bf9\u89d2\u7ebf\u7684\u548c\u4ee5\u53ca\u4e24\u8005\u4e4b\u548c\u3002<\/p>\n<\/p>\n<p><pre><code>return {<\/p>\n<p>    primaryDiagonal: primaryDiagonalSum,<\/p>\n<p>    secondaryDiagonal: secondaryDiagonalSum,<\/p>\n<p>    totalSum: primaryDiagonalSum + secondaryDiagonalSum<\/p>\n<p>};<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\uff0c\u5e76\u4f20\u9012\u6211\u4eec\u9700\u8981\u8ba1\u7b97\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6765\u83b7\u53d6\u6211\u4eec\u60f3\u8981\u7684\u5bf9\u89d2\u7ebf\u548c\u7684\u7ed3\u679c\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u5b9e\u4f8b\u6f14\u793a<\/h3>\n<\/p>\n<p><p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code>const matrix = [<\/p>\n<p>    [1, 2, 3],<\/p>\n<p>    [4, 5, 6],<\/p>\n<p>    [7, 8, 9]<\/p>\n<p>];<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u8c03\u7528 <code>calculateDiagonalsSum<\/code> \u51fd\u6570\u6765\u8ba1\u7b97\u5b83\u7684\u5bf9\u89d2\u7ebf\u548c\uff1a<\/p>\n<\/p>\n<p><pre><code>const result = calculateDiagonalsSum(matrix);<\/p>\n<p>console.log(`Primary Diagonal: ${result.primaryDiagonal}`);<\/p>\n<p>console.log(`Secondary Diagonal: ${result.secondaryDiagonal}`);<\/p>\n<p>console.log(`Total Sum: ${result.totalSum}`);<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\u5bf9\u5e94\u7684\u4e3b\u5bf9\u89d2\u7ebf\u548c\u3001\u526f\u5bf9\u89d2\u7ebf\u548c\u4ee5\u53ca\u5b83\u4eec\u7684\u603b\u548c<\/strong>\u3002<\/p>\n<\/p>\n<p><h3>\u7ed3\u8bba<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528JavaScript\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u7684\u4e24\u6761\u5bf9\u89d2\u7ebf\u548c\u662f\u4e00\u79cd\u7b80\u5355\u800c\u76f4\u63a5\u7684\u4efb\u52a1\uff0c\u53ef\u4ee5\u901a\u8fc7\u904d\u5386\u6570\u7ec4\u7d22\u5f15\u5e76\u5c06\u6ee1\u8db3\u5bf9\u89d2\u7ebf\u4f4d\u7f6e\u6761\u4ef6\u7684\u5143\u7d20\u76f8\u52a0\u6765\u5b9e\u73b0\u3002\u901a\u8fc7\u5b9a\u4e49\u51fd\u6570\u5e76\u4f20\u5165\u6570\u7ec4\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2a\u6e05\u6670\u4e14\u53ef\u590d\u7528\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>\u5982\u4f55\u5728JavaScript\u4e2d\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u7684\u4e3b\u5bf9\u89d2\u7ebf\u548c\uff1f<\/strong><br \/>\n\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u7684\u4e3b\u5bf9\u89d2\u7ebf\u548c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\uff0c\u5e76\u4e14\u6839\u636e\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u76f8\u7b49\u7684\u6761\u4ef6\u6765\u9009\u53d6\u5bf9\u89d2\u7ebf\u4e0a\u7684\u5143\u7d20\u8fdb\u884c\u6c42\u548c\u3002<\/p>\n<pre><code class=\"language-javascript\">function calculateM<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>nDiagonalSum(matrix) {\n  let sum = 0;\n  for (let i = 0; i &lt; matrix.length; i++) {\n    sum += matrix[i][i];\n  }\n  return sum;\n}\n<\/code><\/pre>\n<p><strong>\u5982\u4f55\u5728JavaScript\u4e2d\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u7684\u526f\u5bf9\u89d2\u7ebf\u548c\uff1f<\/strong><br \/>\n\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u7684\u526f\u5bf9\u89d2\u7ebf\u548c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e24\u4e2a\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\u548c\u6bcf\u4e00\u5217\uff0c\u5e76\u4e14\u6839\u636e\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u7684\u548c\u7b49\u4e8e\u6570\u7ec4\u7684\u957f\u5ea6\u51cf\u4e00\u7684\u6761\u4ef6\u6765\u9009\u53d6\u526f\u5bf9\u89d2\u7ebf\u4e0a\u7684\u5143\u7d20\u8fdb\u884c\u6c42\u548c\u3002<\/p>\n<pre><code class=\"language-javascript\">function calculateSecondaryDiagonalSum(matrix) {\n  let sum = 0;\n  const length = matrix.length;\n  for (let i = 0; i &lt; length; i++) {\n    sum += matrix[i][length - 1 - i];\n  }\n  return sum;\n}\n<\/code><\/pre>\n<p><strong>\u5982\u4f55\u5728JavaScript\u4e2d\u540c\u65f6\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u7684\u4e3b\u5bf9\u89d2\u7ebf\u548c\u548c\u526f\u5bf9\u89d2\u7ebf\u548c\uff1f<\/strong><br \/>\n\u8981\u540c\u65f6\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u7684\u4e3b\u5bf9\u89d2\u7ebf\u548c\u548c\u526f\u5bf9\u89d2\u7ebf\u548c\uff0c\u53ef\u4ee5\u7ed3\u5408\u524d\u9762\u7684\u4e24\u4e2a\u65b9\u6cd5\uff0c\u5206\u522b\u8ba1\u7b97\u4e3b\u5bf9\u89d2\u7ebf\u548c\u548c\u526f\u5bf9\u89d2\u7ebf\u548c\uff0c\u7136\u540e\u5c06\u5b83\u4eec\u76f8\u52a0\u5373\u53ef\u3002<\/p>\n<pre><code class=\"language-javascript\">function calculateDiagonalSums(matrix) {\n  const mainDiagonalSum = calculateMainDiagonalSum(matrix);\n  const secondaryDiagonalSum = calculateSecondaryDiagonalSum(matrix);\n  return mainDiagonalSum + secondaryDiagonalSum;\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"JavaScript\u4e2d\u6c42\u4e8c\u7ef4\u6570\u7ec4\u4e24\u6761\u5bf9\u89d2\u7ebf\u7684\u548c\u53ef\u4ee5\u901a\u8fc7\u904d\u5386\u6570\u7ec4\u7684\u65b9\u5f0f\u5b9e\u73b0\uff0c\u4e3b\u8981\u662f\u6309\u7167\u5bf9\u89d2\u7ebf\u7684\u7d22\u5f15\u89c4\u5f8b\u76f8\u52a0\u6570\u7ec4\u5143 [&hellip;]","protected":false},"author":3,"featured_media":166321,"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\/166315"}],"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=166315"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/166315\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/166321"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=166315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=166315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=166315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}