{"id":6516,"date":"2023-01-08T21:27:32","date_gmt":"2023-01-08T13:27:32","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6516"},"modified":"2023-01-08T21:27:32","modified_gmt":"2023-01-08T13:27:32","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%b8-2","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%b8-2\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528React.JS\u7684ceil()\u51fd\u6578\u53d6\u5f97\u6574\u6578"},"content":{"rendered":"

<\/p>\n

\u4f7f\u7528 React.JS \u6c42\u5411\u4e0a\u53d6\u6574(ceil)<\/h1>\n

React.JS \u662f\u4e00\u500b\u7528\u65bc\u69cb\u5efa\u7528\u6236\u754c\u9762\u7684 JavaScript \u5eab\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5feb\u901f\u69cb\u5efa\u51fa\u9ad8\u54c1\u8cea\u7684\u7528\u6236\u754c\u9762\u3002\u5728 React.JS \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 List \u7d44\u4ef6\u4f86\u5275\u5efa\u4e00\u500b\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\u7684\u64cd\u4f5c\u3002<\/p>\n

\u4ec0\u9ebc\u662f ceil \u65b9\u6cd5\uff1f<\/h2>\n

ceil \u65b9\u6cd5\u662f\u4e00\u7a2e\u6578\u5b78\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u5c07\u4e00\u500b\u6578\u5b57\u5411\u4e0a\u53d6\u6574\uff0c\u4e5f\u5c31\u662f\u8aaa\uff0c\u5b83\u6703\u5c07\u4e00\u500b\u6578\u5b57\u56db\u6368\u4e94\u5165\u5230\u6700\u63a5\u8fd1\u7684\u6574\u6578\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u500b\u6578\u5b57\u662f 3.14\uff0c\u90a3\u9ebc ceil \u65b9\u6cd5\u5c07\u6703\u5c07\u5b83\u53d6\u6574\u70ba 4\u3002<\/p>\n

\u5982\u4f55\u5728 React.JS \u4e2d\u4f7f\u7528 ceil \u65b9\u6cd5\uff1f<\/h2>\n

\u5728 React.JS \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 List \u7d44\u4ef6\u4f86\u5275\u5efa\u4e00\u500b\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\u7684\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n

\nimport React from 'react';\nimport { List, ceil } from 'react-list';\n\nconst MyList = () => {\n  const numbers = [1.2, 2.3, 3.4, 4.5];\n  const ceiledNumbers = numbers.map(num => ceil(num));\n\n  return (\n    \n      {ceiledNumbers.map(num => (\n        
  • {num}<\/li>\n      ))}\n    <\/List>\n  );\n};\n\nexport default MyList;\n<\/pre>\n
    \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5c0e\u5165\u4e86 React \u548c List \u7d44\u4ef6\uff0c\u7136\u5f8c\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba numbers \u7684\u6578\u7d44\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u4e00\u4e9b\u5c0f\u6578\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u4f7f\u7528 map \u65b9\u6cd5\u5c07 numbers \u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u6578\u5b57\u90fd\u50b3\u905e\u7d66 ceil \u65b9\u6cd5\uff0c\u7136\u5f8c\u5c07\u7d50\u679c\u5b58\u5132\u5728 ceiledNumbers \u6578\u7d44\u4e2d\u3002\u6700\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 List \u7d44\u4ef6\u5c07 ceiledNumbers \u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u6578\u5b57\u90fd\u6e32\u67d3\u51fa\u4f86\u3002<\/p>\n
    \u901a\u904e\u4f7f\u7528 ceil \u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c0d\u5217\u8868\u4e2d\u7684\u6578\u5b57\u9032\u884c\u5411\u4e0a\u53d6\u6574\u7684\u64cd\u4f5c\uff0c\u4e26\u4e14\u53ef\u4ee5\u5feb\u901f\u69cb\u5efa\u51fa\u9ad8\u54c1\u8cea\u7684\u7528\u6236\u754c\u9762\u3002<\/p>\n
    <\/p>\n
    \u7e3d\u7d50<\/h2>\n
    \u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u8a0e\u8ad6\u4e86\u5982\u4f55\u4f7f\u7528 React.JS \u4e2d\u7684 List \u7d44\u4ef6\u548c ceil \u65b9\u6cd5\u4f86\u5c0d\u5217\u8868\u4e2d\u7684\u6578\u5b57\u9032\u884c\u5411\u4e0a\u53d6\u6574\u7684\u64cd\u4f5c\u3002\u901a\u904e\u4f7f\u7528 ceil \u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c0d\u5217\u8868\u4e2d\u7684\u6578\u5b57\u9032\u884c\u5411\u4e0a\u53d6\u6574\u7684\u64cd\u4f5c\uff0c\u4e26\u4e14\u53ef\u4ee5\u5feb\u901f\u69cb\u5efa\u51fa\u9ad8\u54c1\u8cea\u7684\u7528\u6236\u754c\u9762\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528React.JS\u7684ceil()\u51fd\u6578\u53d6\u5f97\u6574\u6578\uff0c\u8a72\u51fd\u6578\u53ef\u4ee5\u5c07\u5c0f\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-6516","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\/pcFK27-1H6","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6516","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=6516"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6516\/revisions"}],"predecessor-version":[{"id":6517,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6516\/revisions\/6517"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=6516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=6516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=6516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}