{"id":38652,"date":"2022-12-08T16:48:18","date_gmt":"2023-03-21T18:57:49","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90react%ef%bc%88typescript%ef%bc%89%e3%80%91%e4%b8%8b%e6%8b%89%e5%bc%8f%e8%8f%9c%e5%8d%95ui%e7%9a%84%e5%ae%9e%e7%8e%b0%e7%a4%ba%e4%be%8b\/"},"modified":"2024-04-29T04:21:07","modified_gmt":"2024-04-28T20:21:07","slug":"%e3%80%90react%ef%bc%88typescript%ef%bc%89%e3%80%91%e4%b8%8b%e6%8b%89%e5%bc%8f%e8%8f%9c%e5%8d%95ui%e7%9a%84%e5%ae%9e%e7%8e%b0%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90react%ef%bc%88typescript%ef%bc%89%e3%80%91%e4%b8%8b%e6%8b%89%e5%bc%8f%e8%8f%9c%e5%8d%95ui%e7%9a%84%e5%ae%9e%e7%8e%b0%e7%a4%ba%e4%be%8b\/","title":{"rendered":"\u3010React\uff08Typescript\uff09\u3011\u4e0b\u62c9\u5f0f\u83dc\u5355UI\u7684\u5b9e\u73b0\u793a\u4f8b"},"content":{"rendered":"<h1>\u5236\u4f5c\u4e4b\u7269 (zu\u00f2 zu\u00f2 zh\u012b w\u00f9)<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d356c37434c4406c6c8af\/1-1.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-07-28 19.23.21.png\" \/><\/div>\n<h1>\u5b9e\u65bd\u793a\u4f8b<\/h1>\n<ul class=\"post-ul\">React\u306e\u96db\u5f62\u3092Typescript\u3067\u4f5c\u6210\u3002<\/ul>\n<pre class=\"post-pre\"><code><span class=\"go\">npx create-react-app dropdown --template typescript\r\n<\/span><\/code><\/pre>\n<ul class=\"post-ul\">DropdownList.tsx\u3068\u3001DropdownList.css\u3092src\u914d\u4e0b\u306b\u4f5c\u6210\u3059\u308b\u3002<\/ul>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"nx\">React<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">useState<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/DropdownList.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kr\">interface<\/span> <span class=\"nx\">Option<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">value<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">label<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">DropdownList<\/span><span class=\"p\">:<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nx\">FC<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">selectedOption<\/span><span class=\"p\">,<\/span> <span class=\"nx\">setSelectedOption<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">useState<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Option<\/span> <span class=\"o\">|<\/span> <span class=\"kc\">null<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"kc\">null<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">isArrowActive<\/span><span class=\"p\">,<\/span> <span class=\"nx\">setArrowActive<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useState<\/span><span class=\"p\">(<\/span><span class=\"kc\">false<\/span><span class=\"p\">);<\/span>\r\n\r\n  <span class=\"kd\">const<\/span> <span class=\"na\">options<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Option<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"p\">{<\/span> <span class=\"na\">value<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">option1<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">label<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Option 1<\/span><span class=\"dl\">'<\/span> <span class=\"p\">},<\/span>\r\n    <span class=\"p\">{<\/span> <span class=\"na\">value<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">option2<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">label<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Option 2<\/span><span class=\"dl\">'<\/span> <span class=\"p\">},<\/span>\r\n    <span class=\"p\">{<\/span> <span class=\"na\">value<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">option3<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">label<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Option 3<\/span><span class=\"dl\">'<\/span> <span class=\"p\">},<\/span>\r\n  <span class=\"p\">];<\/span>\r\n\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">handleSelectOption<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"na\">event<\/span><span class=\"p\">:<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nx\">ChangeEvent<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">HTMLSelectElement<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">selectedValue<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">event<\/span><span class=\"p\">.<\/span><span class=\"nx\">target<\/span><span class=\"p\">.<\/span><span class=\"nx\">value<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">selected<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">options<\/span><span class=\"p\">.<\/span><span class=\"nf\">find<\/span><span class=\"p\">((<\/span><span class=\"nx\">option<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">option<\/span><span class=\"p\">.<\/span><span class=\"nx\">value<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">selectedValue<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nf\">setSelectedOption<\/span><span class=\"p\">(<\/span><span class=\"nx\">selected<\/span> <span class=\"o\">||<\/span> <span class=\"kc\">null<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">};<\/span>\r\n\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">arrowClassName<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">`select-arrow <\/span><span class=\"p\">${<\/span><span class=\"nx\">isArrowActive<\/span> <span class=\"p\">?<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">active<\/span><span class=\"dl\">'<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">''<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">;<\/span>\r\n\r\n  <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"nx\">div<\/span> <span class=\"nx\">className<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">container<\/span><span class=\"dl\">\"<\/span><span class=\"o\">&gt;<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"nx\">h2<\/span><span class=\"o\">&gt;<\/span><span class=\"nx\">\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30ea\u30b9\u30c8<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/h2<\/span><span class=\"err\">&gt;\r\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"nx\">div<\/span> <span class=\"nx\">className<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">select-container<\/span><span class=\"dl\">\"<\/span><span class=\"o\">&gt;<\/span>\r\n        <span class=\"o\">&lt;<\/span><span class=\"nx\">select<\/span>\r\n          <span class=\"nx\">value<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">selectedOption<\/span><span class=\"p\">?.<\/span><span class=\"nx\">value<\/span> <span class=\"o\">||<\/span> <span class=\"dl\">''<\/span><span class=\"p\">}<\/span>\r\n          <span class=\"nx\">onChange<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">handleSelectOption<\/span><span class=\"p\">}<\/span>\r\n          <span class=\"nx\">onFocus<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">setArrowActive<\/span><span class=\"p\">(<\/span><span class=\"kc\">true<\/span><span class=\"p\">)}<\/span>\r\n          <span class=\"nx\">onBlur<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">setArrowActive<\/span><span class=\"p\">(<\/span><span class=\"kc\">false<\/span><span class=\"p\">)}<\/span>\r\n        <span class=\"o\">&gt;<\/span>\r\n          <span class=\"o\">&lt;<\/span><span class=\"nx\">option<\/span> <span class=\"nx\">value<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"\"<\/span><span class=\"o\">&gt;<\/span><span class=\"nx\">\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/option<\/span><span class=\"err\">&gt;\r\n<\/span>          <span class=\"p\">{<\/span><span class=\"nx\">options<\/span><span class=\"p\">.<\/span><span class=\"nf\">map<\/span><span class=\"p\">((<\/span><span class=\"nx\">option<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">(<\/span>\r\n            <span class=\"o\">&lt;<\/span><span class=\"nx\">option<\/span> <span class=\"nx\">key<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">option<\/span><span class=\"p\">.<\/span><span class=\"nx\">value<\/span><span class=\"p\">}<\/span> <span class=\"nx\">value<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">option<\/span><span class=\"p\">.<\/span><span class=\"nx\">value<\/span><span class=\"p\">}<\/span><span class=\"o\">&gt;<\/span>\r\n              <span class=\"p\">{<\/span><span class=\"nx\">option<\/span><span class=\"p\">.<\/span><span class=\"nx\">label<\/span><span class=\"p\">}<\/span>\r\n            <span class=\"o\">&lt;<\/span><span class=\"sr\">\/option<\/span><span class=\"err\">&gt;\r\n<\/span>          <span class=\"p\">))}<\/span>\r\n        <span class=\"o\">&lt;<\/span><span class=\"sr\">\/select<\/span><span class=\"err\">&gt;\r\n<\/span>        <span class=\"o\">&lt;<\/span><span class=\"nx\">div<\/span> <span class=\"nx\">className<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">arrowClassName<\/span><span class=\"p\">}<\/span><span class=\"o\">&gt;&lt;<\/span><span class=\"sr\">\/div<\/span><span class=\"err\">&gt;\r\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"sr\">\/div<\/span><span class=\"err\">&gt;\r\n<\/span>      <span class=\"p\">{<\/span><span class=\"nx\">selectedOption<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"o\">&lt;<\/span><span class=\"nx\">p<\/span><span class=\"o\">&gt;<\/span><span class=\"nx\">\u9078\u629e\u3055\u308c\u305f\u30aa\u30d7\u30b7\u30e7\u30f3<\/span><span class=\"err\">\uff1a<\/span> <span class=\"p\">{<\/span><span class=\"nx\">selectedOption<\/span><span class=\"p\">.<\/span><span class=\"nx\">label<\/span><span class=\"p\">}<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/p&gt;<\/span><span class=\"err\">}\r\n<\/span>    <span class=\"o\">&lt;<\/span><span class=\"sr\">\/div<\/span><span class=\"err\">&gt;\r\n<\/span>  <span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">DropdownList<\/span><span class=\"p\">;<\/span>\r\n\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nc\">.container<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">max-width<\/span><span class=\"p\">:<\/span> <span class=\"m\">300px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">margin<\/span><span class=\"p\">:<\/span> <span class=\"m\">0<\/span> <span class=\"nb\">auto<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">padding<\/span><span class=\"p\">:<\/span> <span class=\"m\">20px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">border<\/span><span class=\"p\">:<\/span> <span class=\"m\">1px<\/span> <span class=\"nb\">solid<\/span> <span class=\"m\">#ccc<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">border-radius<\/span><span class=\"p\">:<\/span> <span class=\"m\">8px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">box-shadow<\/span><span class=\"p\">:<\/span> <span class=\"m\">0<\/span> <span class=\"m\">4px<\/span> <span class=\"m\">8px<\/span> <span class=\"n\">rgba<\/span><span class=\"p\">(<\/span><span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"m\">0.1<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"nl\">background-color<\/span><span class=\"p\">:<\/span> <span class=\"m\">#f9f9f9<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nt\">h2<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">margin-bottom<\/span><span class=\"p\">:<\/span> <span class=\"m\">16px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">font-size<\/span><span class=\"p\">:<\/span> <span class=\"m\">24px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">color<\/span><span class=\"p\">:<\/span> <span class=\"m\">#333<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nc\">.select-container<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">position<\/span><span class=\"p\">:<\/span> <span class=\"nb\">relative<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nc\">.select-arrow<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">position<\/span><span class=\"p\">:<\/span> <span class=\"nb\">absolute<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">top<\/span><span class=\"p\">:<\/span> <span class=\"m\">50%<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">right<\/span><span class=\"p\">:<\/span> <span class=\"m\">8px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">transform<\/span><span class=\"p\">:<\/span> <span class=\"n\">translateY<\/span><span class=\"p\">(<\/span><span class=\"m\">-50%<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"nl\">width<\/span><span class=\"p\">:<\/span> <span class=\"m\">10px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">height<\/span><span class=\"p\">:<\/span> <span class=\"m\">10px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">border-left<\/span><span class=\"p\">:<\/span> <span class=\"m\">2px<\/span> <span class=\"nb\">solid<\/span> <span class=\"m\">#777<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">border-bottom<\/span><span class=\"p\">:<\/span> <span class=\"m\">2px<\/span> <span class=\"nb\">solid<\/span> <span class=\"m\">#777<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">transition<\/span><span class=\"p\">:<\/span> <span class=\"n\">transform<\/span> <span class=\"m\">0.2s<\/span> <span class=\"n\">ease-in-out<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">pointer-events<\/span><span class=\"p\">:<\/span> <span class=\"nb\">none<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nc\">.select-arrow.active<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">transform<\/span><span class=\"p\">:<\/span> <span class=\"n\">translateY<\/span><span class=\"p\">(<\/span><span class=\"m\">-50%<\/span><span class=\"p\">)<\/span> <span class=\"n\">rotate<\/span><span class=\"p\">(<\/span><span class=\"m\">45deg<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nt\">select<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">width<\/span><span class=\"p\">:<\/span> <span class=\"m\">100%<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">padding<\/span><span class=\"p\">:<\/span> <span class=\"m\">12px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">border<\/span><span class=\"p\">:<\/span> <span class=\"m\">2px<\/span> <span class=\"nb\">solid<\/span> <span class=\"m\">#777<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">border-radius<\/span><span class=\"p\">:<\/span> <span class=\"m\">8px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">appearance<\/span><span class=\"p\">:<\/span> <span class=\"nb\">none<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">font-size<\/span><span class=\"p\">:<\/span> <span class=\"m\">16px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">background-color<\/span><span class=\"p\">:<\/span> <span class=\"m\">#f9f9f9<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">color<\/span><span class=\"p\">:<\/span> <span class=\"m\">#333<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">font-weight<\/span><span class=\"p\">:<\/span> <span class=\"nb\">bold<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nt\">select<\/span><span class=\"nd\">:focus<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">outline<\/span><span class=\"p\">:<\/span> <span class=\"nb\">none<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">border-color<\/span><span class=\"p\">:<\/span> <span class=\"m\">#007bff<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">box-shadow<\/span><span class=\"p\">:<\/span> <span class=\"m\">0<\/span> <span class=\"m\">0<\/span> <span class=\"m\">0<\/span> <span class=\"m\">2px<\/span> <span class=\"n\">rgba<\/span><span class=\"p\">(<\/span><span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"m\">123<\/span><span class=\"p\">,<\/span> <span class=\"m\">255<\/span><span class=\"p\">,<\/span> <span class=\"m\">0.3<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nt\">option<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">background-color<\/span><span class=\"p\">:<\/span> <span class=\"m\">#f9f9f9<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nt\">p<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">margin-top<\/span><span class=\"p\">:<\/span> <span class=\"m\">12px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">font-size<\/span><span class=\"p\">:<\/span> <span class=\"m\">14px<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">color<\/span><span class=\"p\">:<\/span> <span class=\"m\">#777<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">App.tsx\u3067\u4f5c\u6210\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u8aad\u307f\u8fbc\u307e\u305b\u308b\u3002<\/ul>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"nx\">React<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">DropdownList<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/DropdownList<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">App<\/span><span class=\"p\">:<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nx\">FC<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"nx\">div<\/span><span class=\"o\">&gt;<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"nx\">DropdownList<\/span> <span class=\"o\">\/&gt;<\/span> <span class=\"p\">{<\/span><span class=\"cm\">\/* DropdownList\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u3053\u3053\u3067\u4f7f\u7528 *\/<\/span><span class=\"p\">}<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"sr\">\/div<\/span><span class=\"err\">&gt;\r\n<\/span>  <span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">App<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30b5\u30fc\u30d0\u30fc\u3092\u8d77\u52d5\u3059\u308b\u3002<\/ul>\n<pre class=\"post-pre\"><code><span class=\"go\">npm start\r\n<\/span><\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d356c37434c4406c6c8af\/12-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2023-07-28 19.34.38.png\" \/><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5236\u4f5c\u4e4b\u7269 (zu\u00f2 zu\u00f2 zh\u012b w\u00f9) \u5b9e\u65bd\u793a\u4f8b React\u306e\u96db\u5f62\u3092Typescript\u3067\u4f5c\u6210\u3002 npx  [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-38652","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010React\uff08Typescript\uff09\u3011\u4e0b\u62c9\u5f0f\u83dc\u5355UI\u7684\u5b9e\u73b0\u793a\u4f8b - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010react\uff08typescript\uff09\u3011\u4e0b\u62c9\u5f0f\u83dc\u5355ui\u7684\u5b9e\u73b0\u793a\u4f8b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta 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