{"id":27650,"date":"2024-11-24T13:38:25","date_gmt":"2024-11-24T05:38:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/27650\/"},"modified":"2024-11-24T13:38:25","modified_gmt":"2024-11-24T05:38:25","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8react%e7%bb%84%e4%bb%b6%e5%9c%a8%e5%ae%b9%e5%99%a8%e4%b8%ad%e6%b7%bb%e5%8a%a0%e8%a1%8c%e5%8f%b7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/27650\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528React\u7ec4\u4ef6\u5728\u5bb9\u5668\u4e2d\u6dfb\u52a0\u884c\u53f7\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u7528React\u7ec4\u4ef6\u5728\u5bb9\u5668\u4e2d\u6dfb\u52a0\u884c\u53f7\uff1f\u63d2\u56fe\"<\/p>\n

\u7ed9\u5bb9\u5668\u6dfb\u52a0\u884c\u53f7<\/strong><\/p>\n

\u5728react\u7ec4\u4ef6\u4e2d\u521b\u5efa\u5f88\u591a\u5c0f\u65b9\u683c\u540e\uff0c\u7531\u4e8e\u9879\u76ee\u7684\u9700\u8981\uff0c\u6709\u65f6\u6211\u4eec\u9700\u8981\u7ed9\u5bb9\u5668\u6dfb\u52a0\u884c\u53f7\u3002<\/p>\n

\u5bf9\u4e8e\u5982\u4f55\u8bbe\u8ba1\uff0c\u6211\u4eec\u63d0\u51fa\u4e86\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

\u5de6\u4fa7\u7684\u884c\u53f7\u7d22\u5f15\u8bbe\u7f6e\u4e3a\uff0c\u53f3\u4fa7\u7684\u5c0f\u65b9\u5757\u8bbe\u7f6e\u4e3a\uff0c\u800c\u5b83\u4eec\u7684\u7236\u5143\u7d20\u8bbe\u7f6e\u4e3a\u76f8\u5bf9\u5b9a\u4f4d\u5e76\u9690\u85cf\u6ea2\u51fa\u3002<\/p>\n

\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

\/\/ index.js\nimport react from \"react\";\nimport reactdom from \"react-dom\";\nimport \".\/styles.css\";\n\nfunction app() {\n  const itemdata = new array(500).fill(0);\n  const indexdata = new array(20).fill(0);\n\n  return (\n    <div classname=\"app\">\n      <div classname=\"left-box\">\n        {indexdata.map((item, index) => (\n          <div\n            key={index}\n            style={{\n              fontsize: \"9px\",\n              width: \"19px\",\n              height: \"20px\",\n              margin: \"2px\",\n            }}\n          >\n            {index}\n          <\/div>\n        ))}\n      <\/div>\n      <div classname=\"right-box\">\n        {itemdata.map((item, index) => (\n          <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          ><\/div>\n        ))}\n      <\/div>\n    <\/div>\n  );\n}\n\nconst rootelement = document.getelementbyid(\"root\");\nreactdom.render(<app \/>, rootelement);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\/\/ styles.css\n.App {\n  font-family: sans-serif;\n  text-align: center;\n  overflow: hidden;\n  position: relative;\n}\n\n.left-box {\n  position: absolute;\n  left: 0;\n  top: 0;\n\n  width: 19px;\n  overflow: hidden;\n}\n\n.right-box {\n  margin-left: 19px;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
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\u7ed9\u5bb9\u5668\u6dfb\u52a0\u884c\u53f7 \u5728react\u7ec4\u4ef6\u4e2d\u521b\u5efa\u5f88\u591a\u5c0f\u65b9\u683c\u540e\uff0c\u7531\u4e8e\u9879\u76ee\u7684\u9700\u8981\uff0c\u6709\u65f6\u6211\u4eec\u9700\u8981\u7ed9\u5bb9\u5668\u6dfb\u52a0\u884c\u53f7\u3002 \u5bf9\u4e8e\u5982\u4f55\u8bbe\u8ba1\uff0c\u6211\u4eec\u63d0\u51fa\u4e86\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\u3002 \u5de6\u4fa7\u7684\u884c\u53f7\u7d22\u5f15\u8bbe\u7f6e\u4e3a\uff0c\u53f3\u4fa7\u7684\u5c0f\u65b9\u5757\u8bbe\u7f6e\u4e3a\uff0c\u800c\u5b83\u4eec\u7684\u7236\u5143\u7d20\u8bbe\u7f6e\u4e3a\u76f8\u5bf9\u5b9a\u4f4d\u5e76\u9690\u85cf\u6ea2\u51fa\u3002 \u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff1a \/\/ index.js import react from “react”; import reactdom from “react-dom”; import “.\/styles.css”; function app() { const itemdata = new array(500).fill(0); const indexdata = new array(20).fill(0); return ( <div classname=”app”> <div classname=”left-box”> {indexdata.map((item, index) => ( <div key={index} style={{ fontsize: “9px”, width: “19px”, height: “20px”, margin: “2px”, }} > {index} <\/div> […]<\/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-27650","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/27650","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=27650"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/27650\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=27650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=27650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=27650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}