{"id":1401,"date":"2024-11-10T10:35:26","date_gmt":"2024-11-10T02:35:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1401\/"},"modified":"2024-11-10T10:35:26","modified_gmt":"2024-11-10T02:35:26","slug":"react-%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e8%8e%b7%e5%8f%96","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1401\/","title":{"rendered":"React \u4e2d\u7684\u6570\u636e\u83b7\u53d6"},"content":{"rendered":"

\"React<\/p>\n

\u6570\u636e\u83b7\u53d6\u662f react \u5e94\u7528\u7a0b\u5e8f\u7684\u57fa\u7840\uff0c\u652f\u6301\u52a0\u8f7d\u7528\u6237\u6570\u636e\u3001\u52a8\u6001\u6e32\u67d3\u5185\u5bb9\u7b49\u529f\u80fd\u3002 react \u63d0\u4f9b\u4e86\u4e00\u4e2a\u7075\u6d3b\u7684\u6570\u636e\u5904\u7406\u751f\u6001\u7cfb\u7edf\uff0c\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u590d\u6742\u6027\u548c\u6027\u80fd\u9700\u6c42\u9009\u62e9\u5404\u79cd\u5e93\u548c\u65b9\u6cd5\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8 react \u4e2d\u6570\u636e\u83b7\u53d6\u7684\u51e0\u4e2a\u5173\u952e\u65b9\u6cd5\uff0c\u5305\u62ec fetch api\u3001axios\u3001async\/awt\u3001react query\u3001swr \u548c graphql\u3002<\/p>\n

\n

1. \u4f7f\u7528 fetch api \u83b7\u53d6\u6570\u636e<\/strong> <\/h2>\n

fetch api \u662f\u4e00\u4e2a\u5185\u7f6e\u7684 web api\uff0c\u5b83\u4f7f\u7f51\u7edc\u8bf7\u6c42\u66f4\u52a0\u7b80\u5355\uff0c\u5e76\u53d7\u5230\u73b0\u4ee3\u6d4f\u89c8\u5668\u7684\u5e7f\u6cdb\u652f\u6301\u3002\u5b83\u8fd4\u56de\u4e00\u4e2a promise\uff0c\u8be5 promise \u4f7f\u7528\u8868\u793a api \u8bf7\u6c42\u4e2d\u7684\u6570\u636e\u7684 response \u5bf9\u8c61\u8fdb\u884c\u89e3\u6790\u3002<\/p>\n

\u4f8b\u5b50 <\/h3>\n
import react, { useeffect, usestate } from 'react';\n\nconst fetchexample = () => {\n  const [data, setdata] = usestate([]);\n  const [loading, setloading] = usestate(true);\n  const [error, seterror] = usestate(null);\n\n  useeffect(() => {\n    const fetchdata = async () => {\n      try {\n        const response = await fetch('https:\/\/jsonplaceholder.typicode.com\/posts');\n        if (!response.ok) throw new error('network response was not ok');\n        const data = await response.json();\n        setdata(data);\n      } catch (error) {\n        seterror(error.message);\n      } finally {\n        setloading(false);\n      }\n    };\n\n    fetchdata();\n  }, []);\n\n  return (\n    <div>\n      {loading ? <p>loading...<\/p> : data.map((item) => <p key={item.id}>{item.title}<\/p>)}\n      {error && <p>error: {error}<\/p>}\n    <\/div>\n  );\n};\n<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
 \u4f55\u65f6\u4f7f\u7528 fetch api <\/h3>\n
    \n
  • \u5c0f\u578b\u9879\u76ee\u6216\u5177\u6709\u57fa\u672c\u6570\u636e\u83b7\u53d6\u9700\u6c42\u7684\u9879\u76ee\u3002<\/li>\n
  • \u4e0e\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u6700\u5c0f\u4f9d\u8d56\u6027\u548c\u517c\u5bb9\u6027\u3002<\/li>\n<\/ul>\n
    \n
     2. \u4f7f\u7528axios\u83b7\u53d6\u6570\u636e<\/strong> <\/h2>\n
    axios \u662f\u4e00\u4e2a\u9002\u7528\u4e8e\u6d4f\u89c8\u5668\u548c node.js \u7684\u57fa\u4e8e promise \u7684 http \u5ba2\u6237\u7aef\uff0c\u5b83\u63d0\u4f9b\u6bd4 fetch api \u66f4\u591a\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u8bf7\u6c42\u548c\u54cd\u5e94\u62e6\u622a\u5668\u4ee5\u53ca\u8f6c\u6362\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u80fd\u529b\u3002<\/p>\n
     \u4f8b\u5b50 <\/h3>\n
    import react, { useeffect, usestate } from 'react';\nimport axios from 'axios';\n\nconst axiosexample = () => {\n  const [data, setdata] = usestate([]);\n  const [loading, setloading] = usestate(true);\n  const [error, seterror] = usestate(null);\n\n  useeffect(() => {\n    axios\n      .get('https:\/\/jsonplaceholder.typicode.com\/posts')\n      .then((response) => {\n        setdata(response.data);\n        setloading(false);\n      })\n      .catch((error) => {\n        seterror(error.message);\n        setloading(false);\n      });\n  }, []);\n\n  return (\n    <div>\n      {loading ? <p>loading...<\/p> : data.map((item) => <p key={item.id}>{item.title}<\/p>)}\n      {error && <p>error: {error}<\/p>}\n    <\/div>\n  );\n};\n<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
     axios \u7684\u597d\u5904 <\/h3>\n
      \n
    • \u652f\u6301\u53ef\u80fd\u4e0d\u5b8c\u5168\u652f\u6301 fetch api \u7684\u65e7\u7248\u6d4f\u89c8\u5668\u3002<\/li>\n
    • \u901a\u8fc7\u62d2\u7edd http \u9519\u8bef\u4ee3\u7801\u63d0\u4f9b\u66f4\u597d\u7684\u9519\u8bef\u5904\u7406\u3002<\/li>\n
    • \u5141\u8bb8\u7b80\u5355\u7684\u8bf7\u6c42\u548c\u54cd\u5e94\u8f6c\u6362\uff0c\u4f7f\u5176\u5728\u66f4\u5927\u3001\u66f4\u590d\u6742\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6d41\u884c\u3002<\/li>\n<\/ul>\n
      \n
       3. \u4f7f\u7528 async\/await \u8bed\u6cd5\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u53ef\u8bfb\u6027<\/strong> <\/h2>\n
      \u4f7f\u7528 async \u548cawait\uff0c\u5728 javascript \u4e2d\u5904\u7406\u5f02\u6b65\u4ee3\u7801\u53d8\u5f97\u66f4\u52a0\u6e05\u6670\u3002 fetch api \u548c axios \u90fd\u53ef\u4ee5\u4f7f\u7528 async\/await \u8bed\u6cd5\uff0c\u8ba9\u4ee3\u7801\u66f4\u5bb9\u6613\u9605\u8bfb\u3002<\/p>\n
       \u83b7\u53d6\u793a\u4f8b <\/h3>\n
      const fetchdata = async () => {\n  try {\n    const response = await fetch('https:\/\/jsonplaceholder.typicode.com\/posts');\n    const data = await response.json();\n    setdata(data);\n  } catch (error) {\n    console.error('error fetching data:', error);\n  }\n};\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
       \u5f02\u6b65\/\u7b49\u5f85\u7684\u597d\u5904 <\/h3>\n
        \n
      • \u63d0\u9ad8\u4e86\u53ef\u8bfb\u6027\uff0c\u5e76\u4e14\u6bd4\u627f\u8bfa\u94fe\u66f4\u5bb9\u6613\u5904\u7406\u3002<\/li>\n
      • \u5141\u8bb8\u6211\u4eec\u4f7f\u7528 try\/catch \u5757\u8fdb\u884c\u9519\u8bef\u5904\u7406\u3002<\/li>\n<\/ul>\n
        \n
         4. react query\uff1a\u5f3a\u5927\u7684\u6570\u636e\u83b7\u53d6\u548c\u7f13\u5b58\u5e93<\/strong> <\/h2>\n
        react query \u5904\u7406\u670d\u52a1\u5668\u72b6\u6001\u7684\u7f13\u5b58\u3001\u540c\u6b65\u548c\u66f4\u65b0\uff0c\u4f7f\u60a8\u80fd\u591f\u8f7b\u677e\u83b7\u53d6\u3001\u66f4\u65b0\u548c\u7f13\u5b58\u6570\u636e\u3002 react query \u7684\u81ea\u52a8\u6570\u636e\u7f13\u5b58\u548c\u91cd\u65b0\u83b7\u53d6\u4f7f\u5176\u6210\u4e3a\u590d\u6742\u5e94\u7528\u7a0b\u5e8f\u7684\u6d41\u884c\u9009\u62e9\u3002<\/p>\n
         \u4f8b\u5b50 <\/h3>\n
        import react from 'react';\nimport { usequery } from 'react-query';\nimport axios from 'axios';\n\nconst fetchposts = async () => {\n  const response = await axios.get('https:\/\/jsonplaceholder.typicode.com\/posts');\n  return response.data;\n};\n\nconst reactqueryexample = () => {\n  const { data, isloading, error } = usequery('posts', fetchposts);\n\n  if (isloading) return <p>loading...<\/p>;\n  if (error) return <p>error: {error.message}<\/p>;\n\n  return (\n    <div>\n      {data.map((item) => (\n        <p key={item.id}>{item.title}<\/p>\n      ))}\n    <\/div>\n  );\n};\n<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
         react \u67e5\u8be2\u7684\u597d\u5904 <\/h3>\n
          \n
        • \u6570\u636e\u7f13\u5b58\u548c\u540e\u53f0\u5237\u65b0\u3002<\/li>\n
        • \u4e0e api \u96c6\u6210\u826f\u597d\uff0c\u5e76\u5904\u7406\u7f51\u7edc\u6545\u969c\u7684\u91cd\u8bd5\u903b\u8f91\u3002<\/li>\n
        • \u51cf\u5c11\u7ba1\u7406\u52a0\u8f7d\u3001\u9519\u8bef\u548c\u91cd\u65b0\u83b7\u53d6\u72b6\u6001\u7684\u4ee3\u7801\u3002<\/li>\n<\/ul>\n
          \n
           5. vercel \u7684 swr\uff08stale-while-revalidate\uff09<\/strong> <\/h2>\n
          swr \u662f\u53e6\u4e00\u4e2a\u6570\u636e\u83b7\u53d6\u5e93\uff0c\u5b83\u4f18\u5148\u8003\u8651\u7f13\u5b58\u548c\u91cd\u65b0\u9a8c\u8bc1\u7b56\u7565\u3002 swr \u7531 vercel \u5f00\u53d1\uff0c\u6bcf\u5f53\u7528\u6237\u91cd\u65b0\u8bbf\u95ee\u9875\u9762\u65f6\uff0c\u5b83\u90fd\u4f1a\u5728\u540e\u53f0\u81ea\u52a8\u91cd\u65b0\u83b7\u53d6\u6570\u636e\uff0c\u4ece\u800c\u4fdd\u6301\u6570\u636e\u6700\u65b0\u3002<\/p>\n
           \u4f8b\u5b50 <\/h3>\n
          import react from 'react';\nimport useswr from 'swr';\nimport axios from 'axios';\n\nconst fetcher = (url) => axios.get(url).then((res) => res.data);\n\nconst swrexample = () => {\n  const { data, error } = useswr('https:\/\/jsonplaceholder.typicode.com\/posts', fetcher);\n\n  if (!data) return <p>loading...<\/p>;\n  if (error) return <p>error: {error.message}<\/p>;\n\n  return (\n    <div>\n      {data.map((item) => (\n        <p key={item.id}>{item.title}<\/p>\n      ))}\n    <\/div>\n  );\n};\n<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
           \u9a7b\u6ce2\u6bd4\u7684\u597d\u5904 <\/h3>\n
            \n
          • \u4f7f\u7528\u7f13\u5b58\u4f18\u5148\u7684\u6570\u636e\u83b7\u53d6\u548c\u81ea\u52a8\u540e\u53f0\u91cd\u65b0\u9a8c\u8bc1\u3002<\/li>\n
          • \u4e0e\u6d41\u884c\u7684\u540e\u7aef\u6846\u67b6\u548c restful api \u96c6\u6210\u3002<\/li>\n
          • \u975e\u5e38\u9002\u5408\u9700\u8981\u7528\u6700\u5c11\u7684\u4ee3\u7801\u4fdd\u6301\u6570\u636e\u6700\u65b0\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n
            \n
             6. \u4f7f\u7528 graphql \u83b7\u53d6\u6570\u636e<\/strong> <\/h2>\n
            graphql \u662f\u4e00\u79cd api \u67e5\u8be2\u8bed\u8a00\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u8fd4\u56de\u7684\u6570\u636e\u3002\u5b83\u5141\u8bb8\u60a8\u4ec5\u83b7\u53d6\u6240\u9700\u7684\u5b57\u6bb5\uff0c\u8fd9\u53ef\u4ee5\u901a\u8fc7\u51cf\u5c11\u8fc7\u5ea6\u83b7\u53d6\u6216\u83b7\u53d6\u4e0d\u8db3\u6765\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
             apollo \u5ba2\u6237\u7aef\u793a\u4f8b <\/h3>\n
            \u8981\u5f00\u59cb\u4f7f\u7528 apollo client\uff0c\u8bf7\u901a\u8fc7\u8fd0\u884c npm install @apollo\/client graphql \u6765\u5b89\u88c5\u5b83\u3002<\/p>\n
            import React from 'react';\nimport { useQuery, gql } from '@apollo\/client';\n\nconst GET_POSTS = gql`\n  query GetPosts {\n    posts {\n      id\n      title\n    }\n  }\n`;\n\nconst GraphQLExample = () => {\n  const { loading, error, data } = useQuery(GET_POSTS);\n\n  if (loading) return <p>Loading...<\/p>;\n  if (error) return <p>Error: {error.message}<\/p>;\n\n  return (\n    <div>\n      {data.posts.map((post) => (\n        <p key={post.id}>{post.title}<\/p>\n      ))}\n    <\/div>\n  );\n};\n<\/pre>\n
             \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
             graphql \u7684\u597d\u5904 <\/h3>\n
              \n
            • \u901a\u8fc7\u63a7\u5236\u68c0\u7d22\u7684\u5b57\u6bb5\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u6570\u636e\u83b7\u53d6\u3002<\/li>\n
            • \u51cf\u5c11\u7f51\u7edc\u8d1f\u8f7d\uff0c\u7279\u522b\u6709\u5229\u4e8e\u590d\u6742\u6216\u5d4c\u5957\u6570\u636e\u3002<\/li>\n
            • \u4e0e apollo client \u7b49\u5e93\u826f\u597d\u96c6\u6210\uff0c\u6539\u5584\u5f00\u53d1\u8005\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n
              \n
               \u7ed3\u8bba <\/h2>\n
              \u5728 react \u4e2d\u9009\u62e9\u6b63\u786e\u7684\u6570\u636e\u83b7\u53d6\u65b9\u6cd5\u53d6\u51b3\u4e8e\u60a8\u9879\u76ee\u7684\u590d\u6742\u6027\u3001\u6027\u80fd\u9700\u6c42\u4ee5\u53ca\u60a8\u5bf9\u5e93\u548c\u5de5\u5177\u7684\u504f\u597d\u3002\u8fd9\u662f\u4e00\u4e2a\u5feb\u901f\u603b\u7ed3\uff1a<\/p>\n
                \n
              •  fetch api<\/strong>\uff1a\u9002\u5408\u5c0f\u578b\u9879\u76ee\uff1b\u5185\u7f6e\u4e14\u6700\u5c0f\u3002<\/li>\n
              •  axios<\/strong>\uff1a\u66f4\u9ad8\u7ea7\u7684 http \u5ba2\u6237\u7aef\uff0c\u5177\u6709\u66f4\u597d\u7684\u9519\u8bef\u5904\u7406\u80fd\u529b\u3002<\/li>\n
              •  async\/await<\/strong>\uff1a\u63d0\u9ad8\u5f02\u6b65\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ba1\u7406\u6027\u3002<\/li>\n
              •  react query<\/strong>\uff1a\u975e\u5e38\u9002\u5408\u7f13\u5b58\u3001\u540e\u53f0\u91cd\u65b0\u83b7\u53d6\u548c\u670d\u52a1\u5668\u72b6\u6001\u7ba1\u7406\u3002<\/li>\n
              •  swr<\/strong>\uff1a\u91cd\u65b0\u9a8c\u8bc1\u65f6\u8fc7\u65f6\u7b56\u7565\uff0c\u975e\u5e38\u9002\u5408\u83b7\u53d6\u65b0\u6570\u636e\u3002<\/li>\n
              •  graphql with apollo<\/strong>\uff1a\u6700\u9002\u5408\u9700\u8981\u7279\u5b9a\u5b57\u6bb5\u7684\u590d\u6742\u6570\u636e\u9700\u6c42\u3002<\/li>\n<\/ul>\n
                \u4ee5\u4e0a\u5c31\u662fReact \u4e2d\u7684\u6570\u636e\u83b7\u53d6\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
                \u6570\u636e\u83b7\u53d6\u662f react \u5e94\u7528\u7a0b\u5e8f\u7684\u57fa\u7840\uff0c\u652f\u6301\u52a0\u8f7d\u7528\u6237\u6570\u636e\u3001\u52a8\u6001\u6e32\u67d3\u5185\u5bb9\u7b49\u529f\u80fd\u3002 react \u63d0\u4f9b\u4e86\u4e00\u4e2a\u7075\u6d3b\u7684\u6570\u636e\u5904\u7406\u751f\u6001\u7cfb\u7edf\uff0c\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u590d\u6742\u6027\u548c\u6027\u80fd\u9700\u6c42\u9009\u62e9\u5404\u79cd\u5e93\u548c\u65b9\u6cd5\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8 react \u4e2d\u6570\u636e\u83b7\u53d6\u7684\u51e0\u4e2a\u5173\u952e\u65b9\u6cd5\uff0c\u5305\u62ec fetch api\u3001axios\u3001async\/awt\u3001react query\u3001swr \u548c graphql\u3002 1. \u4f7f\u7528 fetch api \u83b7\u53d6\u6570\u636e fetch api \u662f\u4e00\u4e2a\u5185\u7f6e\u7684 web api\uff0c\u5b83\u4f7f\u7f51\u7edc\u8bf7\u6c42\u66f4\u52a0\u7b80\u5355\uff0c\u5e76\u53d7\u5230\u73b0\u4ee3\u6d4f\u89c8\u5668\u7684\u5e7f\u6cdb\u652f\u6301\u3002\u5b83\u8fd4\u56de\u4e00\u4e2a promise\uff0c\u8be5 promise \u4f7f\u7528\u8868\u793a api \u8bf7\u6c42\u4e2d\u7684\u6570\u636e\u7684 response \u5bf9\u8c61\u8fdb\u884c\u89e3\u6790\u3002 \u4f8b\u5b50 import react, { useeffect, usestate } from ‘react’; const fetchexample = () => { const [data, setdata] = usestate([]); const [loading, setloading] = usestate(true); const […]<\/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-1401","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1401","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=1401"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1401\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}