{"id":53558,"date":"2024-12-03T17:49:26","date_gmt":"2024-12-03T09:49:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/53558\/"},"modified":"2024-12-03T17:49:26","modified_gmt":"2024-12-03T09:49:26","slug":"react%e7%bb%84%e4%bb%b6%e4%b8%admap%e5%be%aa%e7%8e%af%ef%bc%9a%e5%a6%82%e4%bd%95%e4%b8%ba%e5%88%9b%e5%bb%ba%e7%9a%84div%e5%85%83%e7%b4%a0%e6%b7%bb%e5%8a%a0%e8%a1%8c%e5%8f%b7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/53558\/","title":{"rendered":"React\u7ec4\u4ef6\u4e2dmap\u5faa\u73af\uff1a\u5982\u4f55\u4e3a\u521b\u5efa\u7684div\u5143\u7d20\u6dfb\u52a0\u884c\u53f7\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>React\u7ec4\u4ef6\u4e2dmap\u5faa\u73af\uff1a\u5982\u4f55\u4e3a\u521b\u5efa\u7684div\u5143\u7d20\u6dfb\u52a0\u884c\u53f7\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300aReact\u7ec4\u4ef6\u4e2dmap\u5faa\u73af\uff1a\u5982\u4f55\u4e3a\u521b\u5efa\u7684div\u5143\u7d20\u6dfb\u52a0\u884c\u53f7\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241202\/1733098175674cfabf06f86.jpg\" class=\"aligncenter\" title=\"React\u7ec4\u4ef6\u4e2dmap\u5faa\u73af\uff1a\u5982\u4f55\u4e3a\u521b\u5efa\u7684div\u5143\u7d20\u6dfb\u52a0\u884c\u53f7\uff1f\u63d2\u56fe\" alt=\"React\u7ec4\u4ef6\u4e2dmap\u5faa\u73af\uff1a\u5982\u4f55\u4e3a\u521b\u5efa\u7684div\u5143\u7d20\u6dfb\u52a0\u884c\u53f7\uff1f\u63d2\u56fe\" \/><\/p>\n<h2>\u5982\u4f55\u5728 react \u7ec4\u4ef6\u7684 map \u5faa\u73af\u4e2d\u4e3a\u521b\u5efa\u7684 div \u6dfb\u52a0\u884c\u53f7<\/h2>\n<p>\u5f53\u5728 react \u7ec4\u4ef6\u4e2d\u4f7f\u7528 map \u5faa\u73af\u521b\u5efa\u591a\u4e2a\u5143\u7d20\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u7ed9\u8fd9\u4e9b\u5143\u7d20\u6dfb\u52a0\u884c\u53f7\u3002\u4e0b\u9762\u662f\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u9700\u6c42\uff1a<\/p>\n<p>\u5c06\u884c\u53f7\u548c\u65b9\u683c\u653e\u7f6e\u5728\u5404\u81ea\u7684\u5bb9\u5668\u4e2d\uff0c\u5e76\u5c06\u5b83\u4eec\u5b9a\u4f4d\u4e3a\u76f8\u5bf9\u5bb9\u5668\u3002\u4e3a\u4e86\u9690\u85cf\u8d85\u51fa\u5bb9\u5668\u7684\u90e8\u5206\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u5bb9\u5668\u4e3a\u76f8\u5bf9\uff0c\u5e76\u8bbe\u7f6e\u6ea2\u51fa\u8bbe\u7f6e\u4e3a\u9690\u85cf\u3002<\/p>\n<p>css \u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>.container {\n  overflow: hidden;\n  position: relative;\n}\n\n.left-box {\n  position: absolute;\n  left: 0;\n  top: 0;\n  width: 19px;\n  overflow: hidden;\n}\n\n.right-box {\n  margin-left: 19px;\n}<\/pre>\n<p>jsx \u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>import React from \"react\";\n\nconst App = () =&gt; {\n  const itemData = new Array(50).fill(0);\n  const indexData = new Array(20).fill(0);\n\n  return (\n    &lt;div className=\"container\"&gt;\n      &lt;div className=\"left-box\"&gt; {\/* \u5de6\u4fa7\u7684\u884c\u53f7\u5bb9\u5668 *\/}\n        {indexData.map((item, index) =&gt; (\n          &lt;div key={index} style={{ fontSize: \"10px\", height: \"20px\" }}&gt;\n            {index}\n          &lt;\/div&gt;\n        ))}\n      &lt;\/div&gt;\n\n      {\/* \u53f3\u4fa7\u7684\u65b9\u683c\u5bb9\u5668 *\/}\n      &lt;div className=\"right-box\"&gt;\n        {itemData.map((item, index) =&gt; (\n          &lt;div\n            key={index}\n            style={{\n              display: \"inline-block\",\n              width: \"9px\",\n              height: \"9px\",\n              margin: \"2px\",\n              backgroundColor: item.selected ? \"green\" : \"lightgreen\",\n            }}\n          \/&gt;\n        ))}\n      &lt;\/div&gt;\n    &lt;\/div&gt;\n  );\n};\n\nexport default App;<\/pre>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u8bbe\u7f6e\uff0c\u5de6\u4fa7\u5bb9\u5668\u5c06\u5305\u542b\u884c\u53f7\uff0c\u53f3\u4fa7\u5bb9\u5668\u5c06\u5305\u542b\u65b9\u683c\uff0c\u5e76\u4e14\u6bcf\u4e2a\u65b9\u683c\u4e0a\u65b9\u90fd\u663e\u793a\u4e00\u4e2a\u76f8\u5e94\u884c\u53f7\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aReact\u7ec4\u4ef6\u4e2dmap\u5faa\u73af\uff1a\u5982\u4f55\u4e3a\u521b\u5efa\u7684div\u5143\u7d20\u6dfb\u52a0\u884c\u53f7\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   Win11\u66f4\u65b0\u540e\u8fdb\u5165\u5b89\u5168\u6a21\u5f0f\u95ea\u5c4f\u600e\u4e48\u529e\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>React\u7ec4\u4ef6\u4e2dmap\u5faa\u73af\uff1a\u5982\u4f55\u4e3a\u521b\u5efa\u7684div\u5143\u7d20\u6dfb\u52a0\u884c\u53f7\uff1f \u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300aReact\u7ec4\u4ef6\u4e2dmap\u5faa\u73af\uff1a\u5982\u4f55\u4e3a\u521b\u5efa\u7684div\u5143\u7d20\u6dfb\u52a0\u884c\u53f7\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~ \u5982\u4f55\u5728 react \u7ec4\u4ef6\u7684 map \u5faa\u73af\u4e2d\u4e3a\u521b\u5efa\u7684 div \u6dfb\u52a0\u884c\u53f7 \u5f53\u5728 react \u7ec4\u4ef6\u4e2d\u4f7f\u7528 map \u5faa\u73af\u521b\u5efa\u591a\u4e2a\u5143\u7d20\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u7ed9\u8fd9\u4e9b\u5143\u7d20\u6dfb\u52a0\u884c\u53f7\u3002\u4e0b\u9762\u662f\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u9700\u6c42\uff1a \u5c06\u884c\u53f7\u548c\u65b9\u683c\u653e\u7f6e\u5728\u5404\u81ea\u7684\u5bb9\u5668\u4e2d\uff0c\u5e76\u5c06\u5b83\u4eec\u5b9a\u4f4d\u4e3a\u76f8\u5bf9\u5bb9\u5668\u3002\u4e3a\u4e86\u9690\u85cf\u8d85\u51fa\u5bb9\u5668\u7684\u90e8\u5206\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u5bb9\u5668\u4e3a\u76f8\u5bf9\uff0c\u5e76\u8bbe\u7f6e\u6ea2\u51fa\u8bbe\u7f6e\u4e3a\u9690\u85cf\u3002 css \u4ee3\u7801\u5982\u4e0b\uff1a .container { overflow: hidden; position: relative; } .left-box { position: absolute; left: 0; top: 0; width: 19px; overflow: hidden; } .right-box { margin-left: 19px; } jsx \u4ee3\u7801\u5982\u4e0b\uff1a import React from &#8220;react&#8221;; const App = () =&gt; { const [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-53558","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53558","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=53558"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53558\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=53558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=53558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=53558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}