{"id":324558,"date":"2021-02-06T09:29:55","date_gmt":"2021-02-06T01:29:55","guid":{"rendered":"http:\/\/4563.org\/?p=324558"},"modified":"2021-02-07T03:34:40","modified_gmt":"2021-02-06T19:34:40","slug":"%e6%b7%b1%e5%85%a5%e9%9d%a2%e8%af%95%e7%b3%bb%e5%88%97-1%ef%bc%9a-react-%e5%a4%8d%e7%94%a8%e7%bb%84%e4%bb%b6%e9%80%bb%e8%be%91","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=324558","title":{"rendered":"\u6df1\u5165\u9762\u8bd5\u7cfb\u5217 1\uff1a React \u590d\u7528\u7ec4\u4ef6\u903b\u8f91"},"content":{"rendered":"
\n
\n
\n

\u6df1\u5165\u9762\u8bd5\u7cfb\u5217 1\uff1a React \u590d\u7528\u7ec4\u4ef6\u903b\u8f91 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : zzzzzzggggggg <\/span> <\/i> 4<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n
\n

\u5927\u5bb6\u597d\uff0c\u6211\u662f\u8033\u4e1c\u3002\u6df1\u5165\u9762\u8bd5\u7cfb\u5217\u662f\u6211\u4e13\u95e8\u9488\u5bf9\u9762\u8bd5\u800c\u5199\u7684\u4e00\u7cfb\u5217\u524d\u7aef\u8fdb\u9636\u6587\u7ae0\uff0c\u5bf9\u6807\u4eba\u7fa4\u662f\u4e00\u5230\u4e94\u5e74\u9700\u8981\u8fdb\u9636\u7684\u524d\u7aef\uff0c\u8fd9\u662f\u7b2c 1 \u7bc7\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u8981\u575a\u6301\u5199\u8fd9\u4e48\u4e2a\u7cfb\u5217\u5462\uff1f\u56e0\u4e3a\u6211\u4eec\u5e73\u65f6\u7684\u4e1a\u52a1\u5f00\u53d1\u5de5\u4f5c\u4e2d\u5f88\u96be\u76f4\u63a5\u63a5\u89e6\u5230\u4e00\u4e9b\u539f\u7406\u6027\u7684\u77e5\u8bc6\uff0c\u4e5f\u6ca1\u65f6\u95f4\u505a\u7cfb\u7edf\u6027\u7684\u603b\u7ed3\uff0c\u8fd9\u963b\u788d\u4e86\u6211\u4eec\u7684\u6280\u672f\u6210\u957f\uff0c\u800c\u8fd9\u4e9b\u4e1c\u897f\u662f\u7a0b\u5e8f\u5458\u8fdb\u9636\u548c\u9762\u8bd5\u6210\u529f\u5fc5\u7136\u8981\u638c\u63e1\u7684\uff0c\u6240\u4ee5\u6df1\u5165\u7684\u53bb\u7406\u89e3\u548c\u603b\u7ed3\u4e00\u4e9b\u77e5\u8bc6\u662f\u5f88\u6709\u5fc5\u8981\u7684\uff0c\u5e0c\u671b\u53ef\u4ee5\u4e00\u76f4\u575a\u6301\u4e0b\u53bb\u3002<\/p>\n

\u672c\u6587\u53ef\u4ee5\u89e3\u51b3\u54ea\u4e9b\u9762\u8bd5\u95ee\u9898\uff1a<\/p>\n

    \n
  1. React \u6709\u54ea\u4e9b\u53ef\u4ee5\u590d\u7528\u7ec4\u4ef6\u903b\u8f91\u7684\u65b9\u6cd5\uff1f<\/li>\n
  2. React \u9ad8\u9636\u7ec4\u4ef6\u548c Render Props \u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/li>\n<\/ol>\n<\/blockquote>\n
    \n

    \u8bfb\u8005\u53ef\u4ee5\u5728\u8bfb\u5b8c\u672c\u6587\u4e4b\u540e\u8bd5\u7740\u56de\u7b54\u4e00\u4e0b\u8fd9\u4e24\u4e2a\u95ee\u9898\uff0c\u8bf4\u4e0d\u5b9a\u5728\u4e0b\u6b21\u9762\u8bd5\u5c31\u4f1a\u88ab\u95ee\u5230\u3002<\/p>\n<\/blockquote>\n

    \u80cc\u666f<\/h1>\n

    <\/p>\n

    \u7eb5\u89c2\u6574\u4e2a React \u5f00\u53d1\uff0c\u503c\u5f97\u6211\u4eec\u5173\u6ce8\u4ee5\u53ca\u8bbe\u8ba1\u7684\u4e00\u5927\u7c7b\u95ee\u9898\u5373\u662f\u7ec4\u4ef6\u5982\u4f55\u5c01\u88c5\u548c\u590d\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u6613\u7684\u4f7f\u7528 React \u7ec4\u4ef6\u6765\u5c01\u88c5\u590d\u7528 UI\uff0c\u4f46\u662f\u5bf9\u4e8e\u4e00\u4e9b\u591a\u4e2a\u7ec4\u4ef6\u90fd\u4f1a\u7528\u5230\u7684\u903b\u8f91\uff0c\u6211\u4eec\u5982\u4f55\u505a\u5230\u4f18\u96c5\u7684\u590d\u7528\u5462\uff1f<\/p>\n

    \u6bd4\u5982\u8003\u8651\u8fd9\u4e2a\u4e00\u4e2a\u573a\u666f\uff0c\u6709\u4e24\u4e2a\u7ec4\u4ef6\uff0c\u5b83\u4eec\u90fd\u9700\u8981\u4e00\u4e2a\u7edf\u8ba1\u7ec4\u4ef6\u88ab\u70b9\u51fb\u6b21\u6570\u7684\u903b\u8f91\uff0c\u5f88\u663e\u7136\u8fd9\u4e2a\u903b\u8f91\u662f\u53ef\u4ee5\u5e76\u4e14\u503c\u5f97\u88ab\u590d\u7528\u7684\uff0c\u90a3\u4e48\u6211\u4eec\u6709\u54ea\u4e9b\u65b9\u5f0f\u53bb\u590d\u7528\u5462\uff1f<\/p>\n

    \u6709\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u7ecf\u9a8c\u7684\u7a0b\u5e8f\u5458\u7b2c\u4e00\u53cd\u5e94\u80af\u5b9a\u662f\u8bbe\u8ba1\u4e00\u4e2a\u62e5\u6709\u7edf\u8ba1\u7ec4\u4ef6\u70b9\u51fb\u6b21\u6570\u65b9\u6cd5\u7684\u7236\u7c7b\uff0c\u7136\u540e\u4efb\u610f\u7684\u7ec4\u4ef6\u7c7b\u518d\u53bb\u7ee7\u627f\u8fd9\u4e2a\u7236\u7c7b\u3002<\/p>\n

    \u4f46\u662f\u5728 React \u751f\u6001\u4e2d\uff0c\u6211\u4eec\u63a8\u8350\u4f7f\u7528\u7ec4\u5408\u7684\u65b9\u5f0f\u6765\u4ee3\u66ff\u7ee7\u627f\u5b9e\u73b0\u7ec4\u4ef6\u4e4b\u95f4\u7684\u903b\u8f91\u590d\u7528\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u901a\u8fc7\u9ad8\u9636\u7ec4\u4ef6\uff08 high order component \uff09\u3001render props \u3001hooks \u7684\u65b9\u5f0f\u6765\u603b\u7ed3 React \u5982\u4f55\u590d\u7528\u7ec4\u4ef6\u903b\u8f91\u3002<\/p>\n

    hoc<\/h1>\n

    <\/p>\n

    \u9996\u5148\u6211\u4eec\u4ecb\u7ecd\u9ad8\u9636\u7ec4\u4ef6\u3002 \u4ec0\u4e48\u662f\u9ad8\u9636\u7ec4\u4ef6\uff08 high order component \uff09\u5462\uff1f\u7b80\u5355\u7684\u8bf4\uff0c\u5b83\u662f\u4e00\u4e2a\u65b9\u6cd5\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u63a5\u6536\u7ec4\u4ef6\u5e76\u4e14\u8fd4\u56de\u4e00\u4e2a\u65b0\u7ec4\u4ef6\uff0c\u8fd9\u6837\u5b50\u4e0d\u4f46\u53ef\u4ee5\u4e0d\u7528\u7834\u574f\u539f\u6709\u7ec4\u4ef6\u7684\u903b\u8f91\uff0c\u8fd8\u80fd\u589e\u5f3a\u539f\u6709\u7ec4\u4ef6\u7684\u529f\u80fd\uff0c\u6bd4\u5982\u5728 Redux \u5e93\u4e2d\u5c31\u4f1a\u7ecf\u5e38\u7528\u5230\u3002 \u56de\u60f3\u4e00\u4e0b\u6211\u4eec\u521a\u521a\u8bf4\u7684\u90a3\u4e2a\u573a\u666f\uff0c\u5982\u679c\u6211\u4eec\u628a\u6b21\u6570\u72b6\u6001\u3001\u70b9\u51fb\u8ba1\u7b97\u903b\u8f91\u62bd\u53d6\u5230\u4e00\u4e2a clickCountHoc \u7ec4\u4ef6\u4e2d\uff0c\u90a3\u4e48\u6240\u6709\u9700\u8981\u6b64\u903b\u8f91\u7684\u7ec4\u4ef6\u90fd\u53ef\u4ee5\u7528\u9ad8\u9636\u7ec4\u4ef6\u7684\u65b9\u5f0f\u4e0e clickCountHoc \u7ec4\u4ef6\u505a\u4e00\u4e2a\u7ec4\u5408\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u62e5\u6709\u7edf\u8ba1\u7ec4\u4ef6\u70b9\u51fb\u7684\u80fd\u529b\u3002 \u4ee5\u4e0b\u662f demo \u4ee3\u7801\u793a\u4f8b\uff08\u6e90\u4ee3\u7801\u5730\u5740\uff1areact-component-combination\uff09\uff1a \"\u6df1\u5165\u9762\u8bd5\u7cfb\u5217 \"\u6df1\u5165\u9762\u8bd5\u7cfb\u5217<\/p>\n

    \u8fd9\u6837\u5b50\u4ee5\u540e\u4e0d\u7ba1\u662f\u4ec0\u4e48\u7ec4\u4ef6\u9700\u8981\u7edf\u8ba1\u70b9\u51fb\u6b21\u6570\u7684\u903b\u8f91\uff0c\u90fd\u80fd\u4ee5\u9ad8\u9636\u7ec4\u4ef6\u7684\u65b9\u5f0f\u6765\u589e\u5f3a\u80fd\u529b\u3002 \u9ad8\u9636\u7ec4\u4ef6\u5728\u5e73\u65f6\u7684\u4e1a\u52a1\u5f00\u53d1\u4e2d\u6709\u5f88\u591a\u7528\u5230\u7684\u5730\u65b9\uff0c\u6bd4\u5982\u7edf\u4e00\u6253\u5370\u65e5\u5fd7\u3001\u7edf\u4e00\u6355\u83b7\u9519\u8bef\u4e0a\u62a5\u3001\u63d0\u53d6\u516c\u5171\u51fd\u6570\u7b49\u7b49\u3002<\/p>\n

    render props<\/h1>\n

    <\/p>\n

    \u63a5\u4e0b\u6765\u6211\u4eec\u4ecb\u7ecd renderProps \u3002<\/p>\n

    render props \u662f\u4e00\u9879\u901a\u8fc7 props \u6765\u544a\u77e5\u7ec4\u4ef6\u9700\u8981\u6e32\u67d3\u4ec0\u4e48\u5185\u5bb9\u7684\u6280\u672f\uff0c\u5b83\u7684\u4f7f\u7528\u573a\u666f\u662f\u4ec0\u4e48\u5462\uff1f \u5f88\u591a\u65f6\u5019\u6211\u4eec\u6e32\u67d3\u4e00\u4e2a\u7ec4\u4ef6\uff0c\u4f46\u662f\u5b83\u7684\u903b\u8f91\u548c\u6570\u636e\u5374\u4f9d\u8d56\u4e8e\u7236\u7ec4\u4ef6\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u6211\u4eec\u53ef\u4ee5\u628a\u90a3\u90e8\u5206\u53ef\u4ee5\u590d\u7528\u7684\u903b\u8f91\u62bd\u53d6\u5728\u7236\u7ec4\u4ef6\u4e2d\uff0c\u5e76\u4e14\u5728\u7236\u7ec4\u4ef6\u66b4\u9732\u4e00\u4e2a\u53c2\u6570\u6765\u63a5\u6536\u6e32\u67d3\u5b50\u7ec4\u4ef6\u7684\u65b9\u6cd5\uff0c\u5e76\u4e14\u901a\u8fc7\u8fd9\u4e2a\u65b9\u6cd5\u628a\u5b50\u7ec4\u4ef6\u6240\u4f9d\u8d56\u7684\u6570\u636e\u4f20\u7ed9\u5b83\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5c31\u662f render props \u3002<\/p>\n

    \u4ee5\u4e0b\u662f demo \u4ee3\u7801\u793a\u4f8b\uff08\u6e90\u4ee3\u7801\u5730\u5740\uff1areact-component-combination\uff09\uff1a \"\u6df1\u5165\u9762\u8bd5\u7cfb\u5217 \"\u6df1\u5165\u9762\u8bd5\u7cfb\u5217<\/p>\n

    \u8fd9\u79cd\u65b9\u5f0f\uff0c\u5b50\u7ec4\u4ef6\u5b8c\u5168\u4e0d\u7528\u5173\u5fc3\u7236\u7ec4\u4ef6\u7684\u903b\u8f91\uff0c\u53ea\u8981\u6309\u7167\u7236\u7ec4\u4ef6\u4f20\u6765\u7684\u6570\u636e\u505a\u6e32\u67d3\u5373\u53ef\uff0c\u6240\u6709\u9ad8\u9636\u7ec4\u4ef6\u53ef\u4ee5\u505a\u5230\u7684\u4e8b\u60c5\uff0c\u7528 render props \u90fd\u53ef\u4ee5\u505a\u5230\u3002<\/p>\n

    \u90a3\u4e48\u5b83\u8ddf\u9ad8\u9636\u7ec4\u4ef6\u7684\u533a\u522b\u662f\u4ec0\u4e48\u5462\uff1f render props \u7684\u4f7f\u7528\u601d\u8def\u662f\u63a7\u5236\u53cd\u8f6c\uff0c\u5b50\u7ec4\u4ef6\u901a\u8fc7 render props \u7684\u65b9\u5f0f\u5b9a\u4e49\u597d\u6e32\u67d3\u81ea\u8eab\u7684\u51fd\u6570\uff0c\u7236\u7ec4\u4ef6\u518d\u628a\u5b50\u7ec4\u4ef6\u9700\u8981\u7684\u6570\u636e\u4f20\u7ed9\u8fd9\u4e2a\u51fd\u6570\uff0c\u5b50\u7ec4\u4ef6\u62ff\u5230\u6570\u636e\u540e\u53ef\u4ee5\u968f\u610f\u7684\u6e32\u67d3\u81ea\u8eab\u3002<\/p>\n

    hooks<\/h1>\n

    <\/p>\n

    \u6700\u540e\u6211\u4eec\u4ecb\u7ecd hooks \u3002<\/p>\n

    React hooks \u662f\u4ece React 16.7.0-alpha \u5f00\u59cb\u6709\u7684\u65b0\u7279\u6027\uff0c\u6211\u4eec\u901a\u8fc7\u5b83\u4e5f\u53ef\u4ee5\u6765\u5b9e\u73b0\u903b\u8f91\u590d\u7528\u3002 \u5173\u4e8e hooks \u7684\u6280\u672f\u539f\u7406\u4e0e\u8bbe\u8ba1\u6211\u5728\u63a5\u4e0b\u6765\u7684\u6df1\u5165\u9762\u8bd5\u7cfb\u5217\u8bb2\u5230\uff0c\u73b0\u5728\u6211\u4eec\u53ea\u901a\u8fc7 hooks \u6765\u5c01\u88c5\u83b7\u53d6\u5f53\u524d\u9f20\u6807\u5728\u5c4f\u5e55\u5750\u6807\u503c\u7684\u903b\u8f91\uff0c\u4ee5\u4e0b\u662f demo \u4ee3\u7801\u793a\u4f8b\uff08\u6e90\u4ee3\u7801\u5730\u5740\uff1areact-component-combination\uff09\uff1a \"\u6df1\u5165\u9762\u8bd5\u7cfb\u5217 \"\u6df1\u5165\u9762\u8bd5\u7cfb\u5217<\/p>\n

    hooks \u9664\u8fc7\u5c01\u88c5\u72b6\u6001\u4ee5\u5916\uff0c\u8fd8\u6709\u6709\u4e00\u4e9b\u5176\u4ed6\u7684 API \u53ef\u4f9b\u4f7f\u7528\uff0c\u6211\u4eec\u540e\u9762\u518d\u8bb2\u3002\u5c31\u76ee\u524d\u8fd9\u4e2a demo \u770b\uff0chooks \u7684\u4e66\u5199\u903b\u8f91\u5f88\u6e05\u6670\u3001\u590d\u7528\u65b9\u4fbf\uff0c\u5e76\u4e14\u76f4\u63a5\u4f7f\u7528\u51fd\u6570\u5f0f\u7ec4\u4ef6\uff0c\u77ed\u5c0f\u7cbe\u608d\uff0c\u5c06\u4f1a\u662f\u672a\u6765\u901a\u7528\u7684\u5c01\u88c5\u903b\u8f91\u65b9\u5f0f\u3002<\/p>\n<\/p><\/div>\n

    \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (0<\/span>) <\/div>\n
    <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
      \n
    • \n","protected":false},"excerpt":{"rendered":"

      \u6df1\u5165\u9762\u8bd5\u7cfb\u5217 1\uff1a React \u590d…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/324558"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=324558"}],"version-history":[{"count":1,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/324558\/revisions"}],"predecessor-version":[{"id":324565,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/324558\/revisions\/324565"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=324558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=324558"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=324558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}