{"id":6518,"date":"2025-06-01T14:36:27","date_gmt":"2025-06-04T06:44:26","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6518"},"modified":"2025-06-04T14:36:27","modified_gmt":"2025-06-04T06:44:26","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8react-js%e7%9a%84reactlist%e7%8d%b2%e5%8f%96%e5%90%91%e4%b8%8b%e5%8f%96%e6%95%b4floor-2","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/react-js\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8react-js%e7%9a%84reactlist%e7%8d%b2%e5%8f%96%e5%90%91%e4%b8%8b%e5%8f%96%e6%95%b4floor-2\/","title":{"rendered":"\u4f7f\u7528 React.JS \u7684 React List \u9032\u884c\u5411\u4e0b\u53d6\u6574\uff08floor\uff09\u64cd\u4f5c\u7684\u5b8c\u6574\u6307\u5357"},"content":{"rendered":"

<\/p>\n

\u4f7f\u7528 React.JS \u7684 React List \u9032\u884c\u5411\u4e0b\u53d6\u6574\uff08floor\uff09\u64cd\u4f5c\u7684\u5b8c\u6574\u6307\u5357<\/h1>\n

React.JS \u662f\u4e00\u500b\u6d41\u884c\u7684 JavaScript \u5eab\uff0c\u7528\u65bc\u69cb\u5efa\u7528\u6236\u754c\u9762\uff0c\u7279\u5225\u662f\u9ad8\u6548\u7684\u55ae\u9801\u61c9\u7528\u7a0b\u5e8f\uff08SPA\uff09\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 React List \u9032\u884c\u5411\u4e0b\u53d6\u6574\uff08floor\uff09\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b 2025 \u5e74\u6700\u65b0\u7684\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u8b93\u60a8\u80fd\u5920\u66f4\u6709\u6548\u5730\u64cd\u4f5c\u5217\u8868\u6578\u64da\u3002<\/p>\n

\u4ec0\u9ebc\u662f React List?<\/h2>\n

React List \u662f React.JS \u4e2d\u7684\u4e00\u500b\u7d44\u4ef6\uff0c\u65e8\u5728\u63d0\u5347\u5217\u8868\u6e32\u67d3\u6548\u80fd\uff0c\u7279\u5225\u9069\u5408\u7528\u65bc\u9577\u5217\u8868\u7684\u6e32\u67d3\u3002\u5b83\u7684\u512a\u52e2\u5728\u65bc\u80fd\u5920\u7ba1\u7406\u5927\u91cf\u6578\u64da\u4e26\u63d0\u4f9b\u5e73\u6ed1\u7684\u6efe\u52d5\u9ad4\u9a57\u3002<\/p>\n

\u5982\u4f55\u5b89\u88dd React List?<\/h2>\n

\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86 React \u548c React List\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd React List\uff1a<\/p>\n

“`bash
\nnpm install react-list
\n“`<\/p>\n

\u4f7f\u7528 React List \u9032\u884c\u5411\u4e0b\u53d6\u6574\uff08floor\uff09\u64cd\u4f5c<\/h2>\n

\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5c55\u793a\u5982\u4f55\u4f7f\u7528 React List \u4f86\u5c0d\u6578\u7d44\u9032\u884c\u5411\u4e0b\u53d6\u6574\uff08floor\uff09\u8655\u7406\u3002\u4ee5\u4e0b\u662f\u5b8c\u6574\u7684\u4ee3\u78bc\u7bc4\u4f8b\uff1a<\/p>\n

“`javascript
\nimport React from ‘react’;
\nimport ReactList from ‘react-list’;<\/p>\n

const MyComponent = () => {
\n const list = [1.2, 2.5, 3.7, 4.6, 5.9];<\/p>\n

\/\/ \u4f7f\u7528 map \u65b9\u6cd5\u5c07\u6bcf\u500b\u6578\u5b57\u5411\u4e0b\u53d6\u6574
\n const floorList = list.map(item => Math.floor(item));<\/p>\n

\/\/ \u6e32\u67d3\u5411\u4e0b\u53d6\u6574\u5f8c\u7684\u6578\u5b57\u5217\u8868
\n return (<\/p>\n

\n

\u5411\u4e0b\u53d6\u6574\u7d50\u679c\uff1a<\/h2>\n

<\/p>\n

{floorList[index]}<\/div>\n

}
\n length={floorList.length}
\n type=’uniform’
\n \/>\n <\/p><\/div>\n

);
\n};<\/p>\n

export default MyComponent;
\n“`<\/p>\n

\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5b9a\u7fa9\u4e86\u4e00\u7d44\u6d6e\u9ede\u6578\uff0c\u7136\u5f8c\u4f7f\u7528 `map` \u65b9\u6cd5\u5c0d\u6bcf\u500b\u5143\u7d20\u9032\u884c\u5411\u4e0b\u53d6\u6574\uff0c\u6700\u5f8c\u4f7f\u7528 `ReactList` \u4f86\u6e32\u67d3\u7d50\u679c\u3002<\/p>\n

\u932f\u8aa4\u6392\u9664<\/h2>\n

\u5728\u4f7f\u7528 React List \u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e38\u898b\u554f\u984c\uff1a<\/p>\n

1. **\u5b89\u88dd\u5931\u6557**\uff1a\u78ba\u4fdd\u60a8\u7684 npm \u548c Node.js \u662f\u6700\u65b0\u7248\u672c\uff0c\u4e26\u4e14\u6b63\u78ba\u5b89\u88dd\u4e86 React\u3002
\n2. **\u6e32\u67d3\u554f\u984c**\uff1a\u6aa2\u67e5\u60a8\u7684 `itemRenderer` \u65b9\u6cd5\u662f\u5426\u6b63\u78ba\u8fd4\u56de\u5143\u7d20\uff0c\u4e26\u78ba\u4fdd `length` \u5c6c\u6027\u6b63\u78ba\u8a2d\u7f6e\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

\u9664\u4e86\u57fa\u672c\u7684\u5411\u4e0b\u53d6\u6574\u64cd\u4f5c\uff0c\u60a8\u53ef\u4ee5\u5c07\u9019\u500b\u6982\u5ff5\u64f4\u5c55\u5230\u5176\u4ed6\u6578\u5b78\u904b\u7b97\uff0c\u4f8b\u5982\u5411\u4e0a\u53d6\u6574\uff08ceil\uff09\u6216\u56db\u6368\u4e94\u5165\uff08round\uff09\u3002\u9019\u6a23\u4e0d\u50c5\u80fd\u63d0\u5347\u60a8\u7684\u7de8\u7a0b\u6280\u5de7\uff0c\u9084\u80fd\u5e6b\u52a9\u60a8\u5728\u5be6\u969b\u9805\u76ee\u4e2d\u66f4\u9748\u6d3b\u5730\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n

\u6b64\u5916\uff0c\u60a8\u53ef\u4ee5\u9032\u4e00\u6b65\u4e86\u89e3 [Python \u7684\u6578\u5b78\u64cd\u4f5c](https:\/\/vocus.cc) \u4ee5\u64f4\u5c55\u60a8\u7684\u7de8\u7a0b\u8996\u91ce\u53ca\u6280\u80fd\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u63a2\u8a0e\u4e86\u5982\u4f55\u4f7f\u7528 React List \u9032\u884c\u5411\u4e0b\u53d6\u6574\uff08floor\uff09\u64cd\u4f5c\u3002React List \u63d0\u4f9b\u4e86\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u65b9\u5f0f\u4f86\u8655\u7406\u548c\u6e32\u67d3\u6578\u64da\u5217\u8868\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u66f4\u52a0\u8f15\u9b06\u5730\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n

Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n

**Q1: React List \u5982\u4f55\u63d0\u5347\u6027\u80fd\uff1f**
\nA1: React List \u4f7f\u7528\u865b\u64ec\u6efe\u52d5\u6280\u8853\u4f86\u6e32\u67d3\u5217\u8868\uff0c\u9019\u610f\u5473\u8457\u53ea\u6709\u5728\u53ef\u898b\u5340\u57df\u7684\u5143\u7d20\u6703\u88ab\u6e32\u67d3\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86 DOM \u64cd\u4f5c\u7684\u958b\u92b7\u3002<\/p>\n

**Q2: \u5982\u4f55\u8655\u7406\u66f4\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\uff1f**
\nA2: \u60a8\u53ef\u4ee5\u5728 `itemRenderer` \u65b9\u6cd5\u4e2d\u4f7f\u7528\u689d\u4ef6\u6e32\u67d3\u4f86\u8655\u7406\u66f4\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4f8b\u5982\u5d4c\u5957\u7684\u7269\u4ef6\u6216\u6578\u7d44\u3002<\/p>\n

**Q3: \u662f\u5426\u53ef\u4ee5\u5728 React List \u4e2d\u4f7f\u7528\u5176\u4ed6\u6578\u5b78\u51fd\u6578\uff1f**
\nA3: \u7576\u7136\u53ef\u4ee5\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 `map` \u65b9\u6cd5\u7d50\u5408\u4efb\u4f55\u6578\u5b78\u51fd\u6578\uff0c\u5982 `Math.ceil()` \u6216 `Math.round()`\uff0c\u4f86\u8655\u7406\u6578\u64da\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528React.JS\u7684ReactList\u7372\u53d6\u5411\u4e0b\u53d6\u6574(floor)\u7684\u65b9\u6cd5\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u5c0d\u6578\u5b57\u9032\u884c\u8655\u7406\u3002\u672c\u6587\u5c07\u6df1\u5165\u6dfa\u51fa\u5730\u4ecb\u7d39ReactList\u7684\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u7c21\u55ae\u6613\u61c2\u7684\u793a\u4f8b\u4f86\u89e3\u91cb\u5982\u4f55\u4f7f\u7528\u5b83\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[184,183],"tags":[182,181],"class_list":["post-6518","post","type-post","status-publish","format-standard","hentry","category-react","category-react-js","tag-react","tag-react-js"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1H8","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=6518"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6518\/revisions"}],"predecessor-version":[{"id":6519,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6518\/revisions\/6519"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=6518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=6518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=6518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}