{"id":38485,"date":"2023-02-20T05:52:44","date_gmt":"2023-11-27T16:11:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ereact%e7%bb%84%e4%bb%b6\/"},"modified":"2024-04-29T15:23:04","modified_gmt":"2024-04-29T07:23:04","slug":"%e5%85%b3%e4%ba%8ereact%e7%bb%84%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ereact%e7%bb%84%e4%bb%b6\/","title":{"rendered":"\u5173\u4e8eReact\u7ec4\u4ef6"},"content":{"rendered":"

React\u7684\u7ec4\u4ef6\u6709\u51fd\u6570\u548c\u7c7b\u4e24\u79cd<\/h3>\n

\u51fd\u6570\u7ec4\u4ef6<\/h5>\n

\u63a5\u6536\u4e00\u4e2a\u53eb\u505aprops\uff08\u5c5e\u6027\u7684\u610f\u601d\uff09\u7684\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2aReact\u5143\u7d20\u3002<\/p>\n

function<\/span> Welcome<\/span>(<\/span>props<\/span>)<\/span> {<\/span>\r\n  return<\/span> <<\/span>h1<\/span>><\/span>Hello, {<\/span>props<\/span>.<\/span>name<\/span>}<\/span><\/<\/span>h1<\/span>>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u7c7b\u7ec4\u4ef6 z\u01d4<\/h5>\n
\u5b9e\u65bd\u6784\u9020\u51fd\u6570\u5e76\u9700\u8981\u8c03\u7528super(props)\u3002\u5728render()\u65b9\u6cd5\u4e2d\u8bbf\u95ee\u548c\u4f7f\u7528\u5728\u6784\u9020\u51fd\u6570\u4e2d\u5b9a\u4e49\u7684props\u3002<\/p>\n
class<\/span> Welcome<\/span> extends<\/span> React<\/span>.<\/span>Component<\/span> {<\/span>\r\n  constructor<\/span>(<\/span>props<\/span>)<\/span> {<\/span>\r\n    super<\/span>(<\/span>props<\/span>);<\/span>\r\n  }<\/span>\r\n  render<\/span>()<\/span> {<\/span>\r\n    return<\/span> <<\/span>h1<\/span>><\/span>Hello, {<\/span>this<\/span>.<\/span>props<\/span>.<\/span>name<\/span>}<\/span><\/<\/span>h1<\/span>>;<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u7ec4\u4ef6\u7684\u6e32\u67d3<\/h3>\n
function<\/span> Welcome<\/span>(<\/span>props<\/span>)<\/span> {<\/span>\r\n  return<\/span> <<\/span>h1<\/span>><\/span>Hello, {<\/span>props<\/span>.<\/span>name<\/span>}<\/span><\/<\/span>h1<\/span>>;<\/span>\r\n}<\/span>\r\n\r\nconst<\/span> root<\/span> =<\/span> ReactDOM<\/span>.<\/span>createRoot<\/span>(<\/span>document<\/span>.<\/span>getElementById<\/span>(<\/span>'<\/span>root<\/span>'<\/span>));<\/span>\r\nconst<\/span> element<\/span> =<\/span> <<\/span>Welcome<\/span> name<\/span>=<\/span>\"Sara\"<\/span> \/>;<\/span>\r\nroot<\/span>.<\/span>render<\/span>(<\/span>element<\/span>);<\/span>\r\n<\/code><\/pre>\n
    \n
  1. \n
      \u4ee5\u8981\u7d20\u4f5c\u4e3a\u53c2\u6570\u6267\u884croot.render()\u3002<\/ol>\n<\/li>\n<\/ol>\n
       <\/p>\n
        \n
      1. \n
          React\u8c03\u7528Welcome\u7ec4\u4ef6\u65f6\uff0c\u4f20\u9012props\u4f5c\u4e3a{name: ‘Sara’}\u3002<\/ol>\n<\/li>\n<\/ol>\n
           <\/p>\n
            \n
          1. \n
              Welcome\u7ec4\u4ef6\u8fd4\u56de\u4e00\u4e2ah1\u5143\u7d20\u4f5c\u4e3a\u8f93\u51fa\u3002<\/ol>\n<\/li>\n<\/ol>\n
               <\/p>\n
                ReactDOM\u5c06DOM\u91cd\u5199\u4ee5\u5339\u914d\u8fd4\u56de\u7684h1\u5143\u7d20\u3002<\/ol>\n
                \u7ec4\u5408\u7ec4\u4ef6<\/h3>\n
                \u7ec4\u4ef6\u53ef\u4ee5\u5f15\u7528\u5176\u4ed6\u7ec4\u4ef6\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u5c31\u80fd\u591f\u91cd\u590d\u4f7f\u7528\u7ec4\u4ef6\uff08\u4f7f\u7528\u76f8\u540c\u7684\u7ec4\u4ef6\u591a\u6b21\uff09\u3002<\/p>\n
                function<\/span> Welcome<\/span>(<\/span>props<\/span>)<\/span> {<\/span>\r\n  return<\/span> <<\/span>h1<\/span>><\/span>Hello, {<\/span>props<\/span>.<\/span>name<\/span>}<\/span><\/<\/span>h1<\/span>>;<\/span>\r\n}<\/span>\r\n\r\nfunction<\/span> App<\/span>()<\/span> {<\/span>\r\n  return <\/span>(<\/span>\r\n    <<\/span>div<\/span>><\/span>\r\n      <<\/span>Welcome<\/span> name<\/span>=<\/span>\"Sara\"<\/span> \/><\/span>\r\n      <<\/span>Welcome<\/span> name<\/span>=<\/span>\"Cahal\"<\/span> \/><\/span>\r\n      <<\/span>Welcome<\/span> name<\/span>=<\/span>\"Edite\"<\/span> \/><\/span>\r\n    <\/<\/span>div<\/span>><\/span>\r\n  );<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
                React\u7684\u7ec4\u4ef6\u6709\u51fd\u6570\u548c\u7c7b\u4e24\u79cd \u51fd\u6570\u7ec4\u4ef6 \u63a5\u6536\u4e00\u4e2a\u53eb\u505aprops\uff08\u5c5e\u6027\u7684\u610f\u601d\uff09\u7684\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2aRea […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-38485","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u5173\u4e8eReact\u7ec4\u4ef6 - 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\/\u5173\u4e8ereact\u7ec4\u4ef6\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5173\u4e8eReact\u7ec4\u4ef6\" \/>\n<meta property=\"og:description\" content=\"React\u7684\u7ec4\u4ef6\u6709\u51fd\u6570\u548c\u7c7b\u4e24\u79cd \u51fd\u6570\u7ec4\u4ef6 \u63a5\u6536\u4e00\u4e2a\u53eb\u505aprops\uff08\u5c5e\u6027\u7684\u610f\u601d\uff09\u7684\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2aRea […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8ereact\u7ec4\u4ef6\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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