{"id":3656,"date":"2022-09-24T11:00:04","date_gmt":"2022-09-24T02:00:04","guid":{"rendered":"https:\/\/dennie.tokyo\/it\/?p=3656"},"modified":"2022-09-27T23:32:53","modified_gmt":"2022-09-27T14:32:53","slug":"%e3%80%90react%e3%80%91react-window-fixed-size-list","status":"publish","type":"post","link":"https:\/\/dennie.tokyo\/it\/?p=3656","title":{"rendered":"\u3010React\u3011react-window Fixed Size List"},"content":{"rendered":"\n

react-window \u306e Fixed Size List \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n

react-window\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n

\u53c2\u7167<\/span>\n

<\/p>\n

\u3010React\u3011react-window<\/a><\/p>\n<\/div>\n\n\n\n

\u5b9f\u88c5<\/h1>\n\n\n\n

\u30b5\u30f3\u30d7\u30eb<\/h2>\n\n\n\n

\u4eca\u56de\u306f4\u3064\u306e\u30a4\u30e1\u30fc\u30b8(\u30b5\u30e0\u30cd\u30a4\u30eb\u30d1\u30b9\u4e00\u89a7)\u3092\u8868\u793a\u3059\u308b Fixed Size List \u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

import '.\/App.css';\nimport React from 'react';\nimport {FixedSizeList} from 'react-window';\n\nconst img_path_list = [\n  "https:\/\/dennie.tokyo\/norway\/img\/photos\/P1014659.jpg",\n  "https:\/\/dennie.tokyo\/norway\/img\/photos\/P1014660.jpg",\n  "https:\/\/dennie.tokyo\/norway\/img\/photos\/P1014661.jpg",\n  "https:\/\/dennie.tokyo\/norway\/img\/photos\/P1014662.jpg"\n]\n\nfunction App() {\n\n  const RenderItem = ({index, style}) => {\n    return (\n      <div style={style}>\n        <img src={img_path_list[index]} \/>\n      <\/div>\n    );\n  }\n\n  return (\n    <FixedSizeList\n      height={700}\n      width={1200}\n      itemSize={600}\n      itemCount={img_path_list.length}\n    >\n      {RenderItem}\n    <\/FixedSizeList>\n  );\n}\n\nexport default App;<\/code><\/pre><\/div>\n\n\n\n
\u7d50\u679c<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u8aac\u660e<\/h1>\n\n\n\n
FixedSizeList \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h2>\n\n\n\n
\u3044\u304f\u3064\u304b\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u8a2d\u5b9a\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n
\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n
height
\u4eee\u60f3\u30ea\u30b9\u30c8(\u8868\u793a\u3055\u308c\u308b\u30ea\u30b9\u30c8)\u306e\u9ad8\u3055\u3092\u8a2d\u5b9a\u51fa\u6765\u307e\u3059\u3002\u4e0b\u8a18\u8d64\u67a0\u7e26(700)<\/p>\n\n\n\n
width
\u4eee\u60f3\u30ea\u30b9\u30c8(\u8868\u793a\u3055\u308c\u308b\u30ea\u30b9\u30c8)\u306e\u5e45\u3092\u8a2d\u5b9a\u51fa\u6765\u307e\u3059\u3002\u4e0b\u8a18\u8d64\u67a0\u6a2a(1200)<\/p>\n\n\n\n
itemSize
\u4eee\u60f3\u30ea\u30b9\u30c8\u5185\u306b\u8868\u793a\u3055\u308c\u308b\u30a2\u30a4\u30c6\u30e0\u306e\u9ad8\u3055\u3092\u8a2d\u5b9a\u51fa\u6765\u307e\u3059\u3002\u4e0b\u8a18\u9752\u67a0\u7e26(600)<\/p>\n\n\n\n
itemCount
\u30c7\u30fc\u30bf\u306e\u4ef6\u6570\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002
<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u30ec\u30f3\u30c0\u30fc\u30d7\u30ed\u30c3\u30d7<\/h3>\n\n\n\n
FixedSizeList\u306e\u5b50\u8981\u7d20\u306b\u306f\u30ec\u30f3\u30c0\u30fc\u30d7\u30ed\u30c3\u30d7\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u5f15\u6570\u304c\u6c7a\u307e\u3063\u3066\u3044\u3066 index \u3068 style \u3092\u6307\u5b9a\u3057\u307e\u3059\u3002index \u306f\u30c7\u30fc\u30bf\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3002\u4eca\u56de\u306f\u30b5\u30e0\u30cd\u30a4\u30eb\u30d1\u30b9\u4e00\u89a7(img_path_list)\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u306a\u308a\u307e\u3059\u3002style\u306f\u30ec\u30f3\u30c0\u30fc\u30d7\u30ed\u30c3\u30d7\u306b\u9069\u7528\u3059\u308bstyle\u5c5e\u6027\u306b\u306a\u308a\u307e\u3059\u3002style\u5c5e\u6027\u3092\u5272\u308a\u5f53\u3066\u308b\u6c7a\u307e\u308a\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
  const RenderItem = ({index, style}) => {\n    return (\n      <div style={style}>\n        <img src={img_path_list[index]} \/>\n      <\/div>\n    );\n  }<\/code><\/pre><\/div>\n\n\n\n
\u6700\u5f8c\u306b<\/h1>\n\n\n\n
\u6b21\u56de\u306f\u3053\u306e\u30ea\u30b9\u30c8\u3092\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u6b21\u56de<\/span>\n
<\/p>\n
\u3010React\u3011react-window Fixed Size List \u30ec\u30b9\u30dd\u30f3\u30b7\u30d6<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
react-window \u306e Fixed Size List \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":2596,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-3656","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-react"],"_links":{"self":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/3656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3656"}],"version-history":[{"count":7,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/3656\/revisions"}],"predecessor-version":[{"id":3760,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/3656\/revisions\/3760"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/media\/2596"}],"wp:attachment":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}