{"id":5378,"date":"2023-01-05T12:33:15","date_gmt":"2023-01-05T04:33:15","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5378"},"modified":"2023-01-05T12:33:15","modified_gmt":"2023-01-05T04:33:15","slug":"%e4%bd%bf%e7%94%a8typescript%e9%99%a3%e5%88%97%e6%aa%a2%e6%9f%a5%e5%ae%8c%e5%85%a8%e6%95%b8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%bd%bf%e7%94%a8typescript%e9%99%a3%e5%88%97%e6%aa%a2%e6%9f%a5%e5%ae%8c%e5%85%a8%e6%95%b8\/","title":{"rendered":"\u4f7f\u7528TypeScript\u9663\u5217\u6aa2\u67e5\u5b8c\u5168\u6578"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u9663\u5217, \u6c42\u548c, \u662f\u5426\u70ba\u5b8c\u5168\u6578, isPerfectNumber\"><\/p>\n<h1>\u4f7f\u7528 TypeScript \u9663\u5217\u7684\u6c42\u548c\u4f86\u5224\u65b7\u662f\u5426\u70ba\u5b8c\u5168\u6578(isPerfectNumber)<\/h1>\n<p>\u5b8c\u5168\u6578\uff08Perfect number\uff09\u662f\u6307\u4e00\u500b\u6578\u5b57\uff0c\u5b83\u7684\u6240\u6709\u56e0\u6578\uff08\u4e0d\u5305\u62ec\u8a72\u6578\u672c\u8eab\uff09\u7684\u7e3d\u548c\uff0c\u7b49\u65bc\u8a72\u6578\u672c\u8eab\u3002\u4f8b\u5982\uff0c6 \u7684\u56e0\u6578\u6709 1\u30012\u30013\uff0c1 + 2 + 3 = 6\uff0c\u56e0\u6b64 6 \u662f\u4e00\u500b\u5b8c\u5168\u6578\u3002<\/p>\n<p>\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u9663\u5217\u7684\u6c42\u548c\u4f86\u5224\u65b7\u4e00\u500b\u6578\u5b57\u662f\u5426\u70ba\u5b8c\u5168\u6578\u3002<\/p>\n<h2>\u7a0b\u5f0f\u78bc\u7bc4\u4f8b<\/h2>\n<pre class=\"brush: typescript\">\nfunction isPerfectNumber(num: number): boolean {\n    let sum = 0;\n    for (let i = 1; i < num; i++) {\n        if (num % i === 0) {\n            sum += i;\n        }\n    }\n    return sum === num;\n}\n\nconsole.log(isPerfectNumber(6)); \/\/ true\nconsole.log(isPerfectNumber(7)); \/\/ false\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e00\u500b for \u8ff4\u5708\u4f86\u8a08\u7b97\u51fa\u8a72\u6578\u5b57\u7684\u6240\u6709\u56e0\u6578\uff0c\u4e26\u5c07\u5b83\u5011\u52a0\u7e3d\u8d77\u4f86\uff0c\u6700\u5f8c\u6bd4\u8f03\u52a0\u7e3d\u7684\u7d50\u679c\u662f\u5426\u7b49\u65bc\u8a72\u6578\u5b57\u672c\u8eab\uff0c\u5982\u679c\u76f8\u7b49\uff0c\u5247\u8868\u793a\u8a72\u6578\u5b57\u662f\u4e00\u500b\u5b8c\u5168\u6578\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u6b64\u5916\uff0c\u6211\u5011\u9084\u53ef\u4ee5\u4f7f\u7528 <strong>\u6578\u5b78\u516c\u5f0f<\/strong> \u4f86\u5224\u65b7\u4e00\u500b\u6578\u5b57\u662f\u5426\u70ba\u5b8c\u5168\u6578\uff1a<\/p>\n<pre class=\"brush: typescript\">\nfunction isPerfectNumber(num: number): boolean {\n    return num === Math.pow(2, num - 1) * (Math.pow(2, num) - 1);\n}\n\nconsole.log(isPerfectNumber(6)); \/\/ true\nconsole.log(isPerfectNumber(7)); \/\/ false\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86\u6578\u5b78\u516c\u5f0f\u4f86\u5224\u65b7\u4e00\u500b\u6578\u5b57\u662f\u5426\u70ba\u5b8c\u5168\u6578\uff0c\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p><strong>2<sup>n-1<\/sup> * (2<sup>n<\/sup> - 1)<\/strong><\/p>\n<p>\u5176\u4e2d\uff0cn \u662f\u4e00\u500b\u6b63\u6574\u6578\uff0c\u5982\u679c\u8a72\u6578\u5b57\u7b49\u65bc\u4e0a\u9762\u7684\u516c\u5f0f\uff0c\u5247\u8868\u793a\u8a72\u6578\u5b57\u662f\u4e00\u500b\u5b8c\u5168\u6578\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u9663\u5217\u7684\u6c42\u548c\u6216\u662f\u6578\u5b78\u516c\u5f0f\u4f86\u5224\u65b7\u4e00\u500b\u6578\u5b57\u662f\u5426\u70ba\u5b8c\u5168\u6578\u3002\u9019\u500b\u65b9\u6cd5\u53ef\u4ee5\u8b93\u6211\u5011\u5feb\u901f\u7684\u5224\u65b7\u4e00\u500b\u6578\u5b57\u662f\u5426\u70ba\u5b8c\u5168\u6578\uff0c\u800c\u4e0d\u9700\u8981\u4e00\u500b\u4e00\u500b\u7684\u8a08\u7b97\u51fa\u8a72\u6578\u5b57\u7684\u6240\u6709\u56e0\u6578\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScript\u9663\u5217\u6aa2\u67e5\u5b8c\u5168\u6578\uff0c\u4e26\u8a73\u7d30\u89e3\u91cbisPerfectNumber\u51fd\u6578\u7684\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u6aa2\u67e5\u5b8c\u5168\u6578\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[187],"tags":[186],"class_list":["post-5378","post","type-post","status-publish","format-standard","hentry","category-typescript","tag-typescript"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1oK","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=5378"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5378\/revisions"}],"predecessor-version":[{"id":5379,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5378\/revisions\/5379"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}