{"id":5739,"date":"2023-01-06T14:51:27","date_gmt":"2023-01-06T06:51:27","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5739"},"modified":"2023-01-06T14:51:27","modified_gmt":"2023-01-06T06:51:27","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8react-js%e7%9a%84ceil%e5%87%bd%e6%95%b8%e5%8f%96%e5%be%97%e6%95%b4%e6%95%b8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/react-js\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8react-js%e7%9a%84ceil%e5%87%bd%e6%95%b8%e5%8f%96%e5%be%97%e6%95%b4%e6%95%b8\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528React.JS\u7684ceil()\u51fd\u6578\u53d6\u5f97\u6574\u6578"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"React, List, Ceil\"><\/p>\n<h1>\u4f7f\u7528 React.JS \u6c42\u5411\u4e0a\u53d6\u6574(ceil)<\/h1>\n<p>React.JS \u662f\u4e00\u500b\u7528\u65bc\u69cb\u5efa\u7528\u6236\u754c\u9762\u7684 JavaScript \u5eab\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u8f15\u9b06\u5730\u69cb\u5efa\u9ad8\u6027\u80fd\u7684\u7db2\u9801\u61c9\u7528\u7a0b\u5e8f\u3002\u5728 React.JS \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 List \u7d44\u4ef6\u4f86\u5275\u5efa\u5217\u8868\uff0c\u4e26\u4e14\u53ef\u4ee5\u4f7f\u7528 ceil \u65b9\u6cd5\u4f86\u5c0d\u5217\u8868\u4e2d\u7684\u6578\u5b57\u9032\u884c\u5411\u4e0a\u53d6\u6574\u3002<\/p>\n<h2>\u4f7f\u7528 ceil \u65b9\u6cd5<\/h2>\n<p>ceil \u65b9\u6cd5\u53ef\u4ee5\u5c0d\u5217\u8868\u4e2d\u7684\u6578\u5b57\u9032\u884c\u5411\u4e0a\u53d6\u6574\uff0c\u4e26\u4e14\u53ef\u4ee5\u63a5\u53d7\u4e00\u500b\u53c3\u6578\uff0c\u7528\u65bc\u6307\u5b9a\u8981\u53d6\u6574\u7684\u4f4d\u6578\u3002\u4f8b\u5982\uff0c\u5982\u679c\u8981\u5c0d\u5217\u8868\u4e2d\u7684\u6578\u5b57\u9032\u884c\u5411\u4e0a\u53d6\u6574\u5230\u5c0f\u6578\u9ede\u5f8c\u7b2c\u4e8c\u4f4d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre class=\"brush: javascript\">\nconst list = [1.23, 2.45, 3.67];\nconst ceiledList = list.map(num => Math.ceil(num * 100) \/ 100);\nconsole.log(ceiledList); \/\/ [1.24, 2.46, 3.68]\n<\/pre>\n<p>\u4e0a\u9762\u7684\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 map \u65b9\u6cd5\u5c0d\u5217\u8868\u4e2d\u7684\u6bcf\u500b\u6578\u5b57\u9032\u884c\u4e86\u5411\u4e0a\u53d6\u6574\uff0c\u4e26\u4e14\u6307\u5b9a\u4e86\u8981\u53d6\u6574\u5230\u5c0f\u6578\u9ede\u5f8c\u7b2c\u4e8c\u4f4d\uff0c\u6700\u5f8c\u5f97\u5230\u4e86\u4e00\u500b\u65b0\u7684\u5217\u8868\uff0c\u5176\u4e2d\u7684\u6578\u5b57\u90fd\u662f\u5411\u4e0a\u53d6\u6574\u5f8c\u7684\u7d50\u679c\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u5728 React.JS \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 List \u7d44\u4ef6\u4f86\u5275\u5efa\u5217\u8868\uff0c\u4e26\u4e14\u53ef\u4ee5\u4f7f\u7528 ceil \u65b9\u6cd5\u5c0d\u5217\u8868\u4e2d\u7684\u6578\u5b57\u9032\u884c\u5411\u4e0a\u53d6\u6574\u3002ceil \u65b9\u6cd5\u53ef\u4ee5\u63a5\u53d7\u4e00\u500b\u53c3\u6578\uff0c\u7528\u65bc\u6307\u5b9a\u8981\u53d6\u6574\u7684\u4f4d\u6578\uff0c\u4e26\u4e14\u53ef\u4ee5\u4f7f\u7528 map \u65b9\u6cd5\u5c0d\u5217\u8868\u4e2d\u7684\u6bcf\u500b\u6578\u5b57\u9032\u884c\u5411\u4e0a\u53d6\u6574\uff0c\u6700\u5f8c\u5f97\u5230\u4e00\u500b\u65b0\u7684\u5217\u8868\uff0c\u5176\u4e2d\u7684\u6578\u5b57\u90fd\u662f\u5411\u4e0a\u53d6\u6574\u5f8c\u7684\u7d50\u679c\u3002<\/p>\n<p><!--more--><\/p>\n<h2>\u66f4\u591a\u8cc7\u8a0a<\/h2>\n<p>\u5982\u679c\u60a8\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc React.JS \u4e2d List \u7d44\u4ef6\u548c ceil \u65b9\u6cd5\u7684\u4f7f\u7528\uff0c\u8acb\u53c3\u95b1 <a href=\"https:\/\/reactjs.org\/docs\/lists-and-keys.html\" target=\"_blank\" rel=\"noopener\">React.JS \u5b98\u65b9\u6587\u6a94<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528React.JS\u7684ceil()\u51fd\u6578\u53d6\u5f97\u6574\u6578\uff0cceil()\u51fd\u6578\u53ef\u4ee5\u5c07\u6d6e\u9ede\u6578\u5411\u4e0a\u53d6\u6574\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u5c0d\u6578\u5b57\u9032\u884c\u8655\u7406\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":[184,183],"tags":[182,181],"class_list":["post-5739","post","type-post","status-publish","format-standard","hentry","category-react","category-react-js","tag-react","tag-react-js"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1uz","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5739","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=5739"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5739\/revisions"}],"predecessor-version":[{"id":5740,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5739\/revisions\/5740"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5739"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5739"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}