{"id":307,"date":"2025-07-01T21:23:00","date_gmt":"2025-07-01T13:23:00","guid":{"rendered":"https:\/\/mitongxue.cn\/?p=307"},"modified":"2026-06-10T21:28:37","modified_gmt":"2026-06-10T13:28:37","slug":"jsx-%e5%9f%ba%e7%a1%80%e8%af%ad%e6%b3%95","status":"publish","type":"post","link":"https:\/\/mitongxue.cn\/index.php\/2025\/07\/01\/jsx-%e5%9f%ba%e7%a1%80%e8%af%ad%e6%b3%95\/","title":{"rendered":"JSX \u57fa\u7840\u8bed\u6cd5"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><em>JSX<\/em> \u57fa\u7840\u8bed\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 <em>React<\/em> \u4e2d\uff0c\u4f7f\u7528 <em>JSX<\/em> \u6765\u63cf\u8ff0\u9875\u9762\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function App() {<br> &nbsp;return (<br> &nbsp; &nbsp;&lt;div&gt;Hello React~&lt;\/div&gt;<br>  );<br>}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u53ef\u4ee5\u628a\u7c7b\u4f3c\u4e8e <em>HTML<\/em> \u7684\u4ee3\u7801\u5355\u72ec\u63d0\u53d6\u51fa\u6765\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function App() {<br> &nbsp;const ele = &lt;div&gt;Hello React~&lt;\/div&gt;<br> &nbsp;return (<br> &nbsp; &nbsp;ele<br>  );<br>}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\u8fd9\u79cd\u7c7b\u4f3c\u4e8e <em>HTML<\/em> \u7684\u8bed\u6cd5\u5728 <em>React<\/em> \u4e2d\u79f0\u4e4b\u4e3a <em>JSX<\/em>\uff0c \u8fd9\u662f\u4e00\u79cd <em>JavaScript<\/em> \u7684\u8bed\u6cd5\u6269\u5c55\u3002\u5728 <em>React<\/em> \u4e2d\u63a8\u8350\u4f7f\u7528 <em>JSX<\/em> \u6765\u63cf\u8ff0\u7528\u6237\u754c\u9762\u3002<em>JSX<\/em> \u4e4d\u770b\u8d77\u6765\u53ef\u80fd\u6bd4\u8f83\u50cf\u662f\u6a21\u7248\u8bed\u8a00\uff0c\u4f46\u4e8b\u5b9e\u4e0a\u5b83\u5b8c\u5168\u662f\u5728 <em>JavaScript<\/em> \u5185\u90e8\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528 <em>JSX<\/em> \u6765\u63cf\u8ff0\u9875\u9762\u65f6\uff0c\u6709\u5982\u4e0b\u7684\u4e00\u4e9b\u8bed\u6cd5\u89c4\u5219\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6839\u5143\u7d20\u53ea\u80fd\u6709\u4e00\u4e2a<\/li>\n\n\n\n<li><em>JSX<\/em> \u4e2d\u4f7f\u7528 <em>JavaScript<\/em> \u8868\u8fbe\u5f0f\u3002\u8868\u8fbe\u5f0f\u5199\u5728\u82b1\u62ec\u53f7 <em>{}<\/em> \u4e2d<\/li>\n\n\n\n<li>\u5c5e\u6027\u503c\u6307\u5b9a\u4e3a\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\uff0c\u6216\u8005\u5728\u5c5e\u6027\u503c\u4e2d\u63d2\u5165\u4e00\u4e2a <em>JavaScript<\/em> \u8868\u8fbe\u5f0f<\/li>\n\n\n\n<li><em>style<\/em> \u5bf9\u5e94\u6837\u5f0f\u5bf9\u8c61\uff0c<em>class<\/em> \u8981\u5199\u4f5c <em>className<\/em><\/li>\n\n\n\n<li>\u6ce8\u91ca\u9700\u8981\u5199\u5728\u82b1\u62ec\u53f7<\/li>\n\n\n\n<li><em>JSX<\/em> \u5141\u8bb8\u5728\u6a21\u677f\u4e2d\u63d2\u5165\u6570\u7ec4\uff0c\u6570\u7ec4\u4f1a\u81ea\u52a8\u5c55\u5f00\u6240\u6709\u6210\u5458<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><em>createElement<\/em> \u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>JSX<\/em> \u662f\u4e00\u79cd <em>JavaScript<\/em> \u7684\u8bed\u6cd5\u6269\u5c55\uff0c<em>Babel<\/em> \u4f1a\u628a <em>JSX<\/em> \u8f6c\u8bd1\u6210\u4e00\u4e2a\u540d\u4e3a <em>React.createElement<\/em> \u51fd\u6570\u8c03\u7528\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>React.createElement(type, &#91;props], &#91;...children]);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>type<\/em>\uff1a\u521b\u5efa\u7684 <em>React<\/em> \u5143\u7d20\u7c7b\u578b\uff08\u53ef\u9009\u7684\u503c\u6709\uff1a\u6807\u7b7e\u540d\u5b57\u7b26\u4e32\u3001<em>React<\/em> \u7ec4\u4ef6\uff09\u3002<\/li>\n\n\n\n<li><em>props<\/em>\uff08\u53ef\u9009\uff09\uff1a<em>React<\/em> \u5143\u7d20\u7684\u5c5e\u6027\u3002<\/li>\n\n\n\n<li><em>children<\/em>\uff08\u53ef\u9009\uff09\uff1a<em>React<\/em> \u5143\u7d20\u7684\u5b50\u5143\u7d20\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff0c\u4e0b\u9762\u4e24\u79cd\u4ee3\u7801\u7684\u4f5c\u7528\u5b8c\u5168\u662f\u76f8\u540c\u7684\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const element1 = (<br> &nbsp; &nbsp;&lt;h1 className=\"greeting\"&gt;<br> &nbsp;      Hello, world!<br> &nbsp; &nbsp;&lt;\/h1&gt;<br>);<br>const element2 = React.createElement(<br> &nbsp; &nbsp;'h1',<br> &nbsp;  {className: 'greeting'},<br> &nbsp; &nbsp;'Hello, world!'<br>);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u5bf9\u8c61\u88ab\u79f0\u4e3a \u201c<em>React<\/em> \u5143\u7d20\u201d\u3002\u5b83\u4eec\u63cf\u8ff0\u4e86\u4f60\u5e0c\u671b\u5728\u5c4f\u5e55\u4e0a\u770b\u5230\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u770b\u51fa\uff0c<em>JSX<\/em> \u7684\u672c\u8d28\u5176\u5b9e\u5c31\u662f <em>React.createElement<\/em> \u65b9\u6cd5\u7684\u4e00\u79cd\u8bed\u6cd5\u7cd6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>JSX \u57fa\u7840\u8bed\u6cd5 \u5728 React \u4e2d\uff0c\u4f7f\u7528 JSX..<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,11],"tags":[],"class_list":["post-307","post","type-post","status-publish","format-standard","hentry","category-react-","category-front"],"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":""},"author_info":{"info":["\u9648 \u67d0\u4eba"]},"category_info":"<a href=\"https:\/\/mitongxue.cn\/index.php\/category\/front\/react-%e5%89%8d%e7%ab%af\/\" rel=\"category tag\">React<\/a> <a href=\"https:\/\/mitongxue.cn\/index.php\/category\/front\/\" rel=\"category tag\">\u524d\u7aef<\/a>","tag_info":"\u524d\u7aef","comment_count":"0","_links":{"self":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/307","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/comments?post=307"}],"version-history":[{"count":1,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/307\/revisions"}],"predecessor-version":[{"id":308,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/307\/revisions\/308"}],"wp:attachment":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/media?parent=307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/categories?post=307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/tags?post=307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}