{"id":87212,"date":"2026-07-30T01:32:23","date_gmt":"2026-07-29T17:32:23","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/87212.html"},"modified":"2026-07-30T01:32:23","modified_gmt":"2026-07-29T17:32:23","slug":"90%e5%89%8d%e7%ab%af%e5%86%99reactts%e9%83%bd%e8%b8%a9%e5%9d%91%ef%bc%81%e4%bb%8e%e7%bb%84%e4%bb%b6%e7%b1%bb%e5%9e%8b%e3%80%81%e5%8d%95%e5%90%91%e6%95%b0%e6%8d%ae%e6%b5%81%e5%88%b0%e6%9c%ac%e5%9c%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/87212.html","title":{"rendered":"90%\u524d\u7aef\u5199React+TS\u90fd\u8e29\u5751\uff01\u4ece\u7ec4\u4ef6\u7c7b\u578b\u3001\u5355\u5411\u6570\u636e\u6d41\u5230\u672c\u5730\u5b58\u50a8\u5b8c\u6574\u5b9e\u6218"},"content":{"rendered":"

\u524d\u8a00<\/h3>\n

\u505a\u4f01\u4e1a\u7ea7React\u9879\u76ee\u4e0d\u7528TS，\u540e\u671f\u91cd\u6784\u76f4\u63a5\u5d29\u6e83\u3002
\n\u5f88\u591a\u4eba\u53ea\u4f1a\u7b80\u5355\u5199React.FC，\u4f46props\u6cdb\u578b\u3001\u5408\u6210\u4e8b\u4ef6\u3001useEffect\u526f\u4f5c\u7528\u3001\u524d\u7aef\u6301\u4e45\u5316\u5b58\u50a8\u5168\u662f\u6a21\u7cca\u70b9\u3002<\/p>\n

\u8bfb\u5b8c\u8fd9\u7bc7\u4f60\u80fd\u638c\u63e1：<\/p>\n

  • React.FC\u3001interface\/type\u3001\u6cdb\u578b\u5b8c\u6574\u7c7b\u578b\u7ea6\u675f\u5199\u6cd5<\/li>\n
  • \u7236\u5b50\u7ec4\u4ef6\u5355\u5411\u6570\u636e\u6d41\u6807\u51c6\u901a\u4fe1\u65b9\u6848<\/li>\n
  • React\u5408\u6210\u4e8b\u4ef6TS\u7c7b\u578b\u89c4\u8303（ChangeEvent）<\/li>\n
  • useEffect\u751f\u547d\u5468\u671f\u4e0e\u526f\u4f5c\u7528\u5b9e\u6218\u573a\u666f<\/li>\n
  • localStorage\u4e0eIndexedDB\u9009\u578b\u3001\u4ee3\u7801\u5dee\u5f02\u3001\u9002\u7528\u573a\u666f<\/li>\n
  • \u4f01\u4e1a\u7ea7\u65e0\u72b6\u6001\u7ec4\u4ef6\u6700\u4f73\u5b9e\u8df5
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/li>\n

    \u5168\u6587\u4ee3\u7801\u53ef\u76f4\u63a5\u590d\u5236\u8fd0\u884c，\u8e29\u5751\u70b9\u5168\u90e8\u6807\u6ce8，\u65b0\u624b\u4e5f\u80fd\u770b\u61c2\u3002<\/p>\n

    \u4e00\u3001\u4e3a\u4ec0\u4e48\u4f01\u4e1a\u9879\u76ee\u5f3a\u5236 React + TypeScript<\/h3>\n

    React\u672c\u8eab\u6e90\u7801\u5c31\u662fTS\u7f16\u5199，\u642d\u914dTS\u662f\u5927\u578b\u9879\u76ee\u6807\u914d，\u6838\u5fc3\u6536\u76ca3\u70b9：<\/p>\n

      \n
    • \u9759\u6001\u7c7b\u578b\u6821\u9a8c：\u5f00\u53d1\u9636\u6bb5\u76f4\u63a5\u62a5\u7c7b\u578b\u9519\u8bef，\u4e0d\u7528\u7b49\u5230\u9875\u9762\u8fd0\u884c\u624d\u5d29\u6e83<\/li>\n
    • \u7c7b\u578b\u5373\u6587\u6863：\u7ec4\u4ef6props\u3001\u5165\u53c2\u3001\u8fd4\u56de\u503c\u81ea\u5e26\u63d0\u793a，\u56e2\u961f\u534f\u4f5c\u96f6\u6c9f\u901a\u6210\u672c<\/li>\n
    • \u5b8c\u5584\u9ad8\u7ea7\u8bed\u6cd5：\u6cdb\u578b\u3001\u63a5\u53e3\u3001\u7c7b\u578b\u522b\u540d，\u89e3\u51b3JS\u5f31\u7c7b\u578b\u5e26\u6765\u7684\u5404\u79cd\u9690\u6027bug<\/li>\n<\/ul>\n

      \u65e0TS\u9879\u76ee\u75db\u70b9：
      \n\u4f20\u53c2\u62fc\u5199\u9519\u8bef\u3001\u4e8b\u4ef6\u5bf9\u8c61\u7c7b\u578b\u6df7\u4e71\u3001\u590d\u6742\u5bf9\u8c61\u65e0\u7ea6\u675f\u3001\u91cd\u6784\u65f6\u7275\u4e00\u53d1\u800c\u52a8\u5168\u8eab\u3002<\/p>\n

      \u4e8c\u3001React\u51fd\u6570\u7ec4\u4ef6\u6838\u5fc3\u7c7b\u578b：React.FC \u5b8c\u6574\u89e3\u6790<\/h3>\n

      2.1 React.FC \u5e95\u5c42\u5b9a\u4e49<\/h4>\n

      \/\/ React\u6e90\u7801\u7b80\u5316\u5b9a\u4e49<\/span>
      \ntype<\/span> FC<\/span><<\/span>P<\/span> =<\/span> {<\/span>}<\/span>><\/span><\/span> =<\/span> FunctionComponent<<\/span>P<\/span>><\/span>;<\/span>
      \ninterface<\/span> FunctionComponent<<\/span>P<\/span> =<\/span> {<\/span>}<\/span>><\/span><\/span> {<\/span>
      \n (<\/span>props:<\/span> P<\/span> &<\/span> {<\/span> children?<\/span>:<\/span> ReactNode }<\/span>)<\/span>:<\/span> ReactNode;<\/span>
      \n}<\/span><\/p>\n

      \u5173\u952e\u70b9：<\/p>\n

    • FC\u662f\u7c7b\u578b\u522b\u540d，\u63a5\u6536\u6cdb\u578bP\u7ea6\u675fprops<\/li>\n
    • \u7ec4\u4ef6\u8fd4\u56de\u503c\u5f3a\u5236\u4e3aReactNode，\u4e0d\u80fd\u8fd4\u56de\u666e\u901a\u5b57\u7b26\u4e32\/\u6570\u5b57<\/li>\n
    • \u81ea\u5e26\u53ef\u9009children\u5c5e\u6027，\u4e0d\u7528\u624b\u52a8\u58f0\u660e<\/li>\n

      2.2 \u57fa\u7840Hello\u7ec4\u4ef6\u5b9e\u6218（Props\u7c7b\u578b\u7ea6\u675f）<\/h4>\n

      \/\/ \u7528interface\u5b9a\u4e49\u7ec4\u4ef6\u5165\u53c2\u89c4\u8303
      \ninterface HelloProps {
      \n name: string;
      \n age?: number; \/\/ \u53ef\u9009\u53c2\u6570
      \n}<\/p>\n

      \/\/ FC\u6cdb\u578b\u4f20\u9012Props\u7c7b\u578b\u7ea6\u675f
      \nconst Hello: React.FC<HelloProps> = ({ name, age }) => {
      \n return (
      \n <div>
      \n <p>\u4f60\u597d，{name}，\u4eca\u5e74{age ?? "\u672a\u77e5"}\u5c81<\/p>
      \n <\/div>
      \n );
      \n};<\/p>\n

      \/\/ \u4f7f\u7528
      \n<Hello name="\u5f20\u4e09" age={22} \/><\/p>\n

      2.3 interface vs type \u600e\u4e48\u9009（\u9ad8\u9891\u8e29\u5751）<\/h4>\n\n\u5199\u6cd5\u9002\u7528\u573a\u666f<\/tr>\n\n\n\n
      interface<\/td>\n\u5b9a\u4e49\u7ec4\u4ef6props\u3001\u5bf9\u8c61\u7ed3\u6784\u3001\u9700\u8981\u6269\u5c55\u5c5e\u6027<\/td>\n<\/tr>\n
      type<\/td>\n\u8054\u5408\u7c7b\u578b\u3001\u4ea4\u53c9\u7c7b\u578b\u3001\u7b80\u5355\u7c7b\u578b\u522b\u540d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u793a\u4f8b\u533a\u5206：<\/p>\n

      \/\/ interface：\u652f\u6301\u7ee7\u627f\u6269\u5c55<\/span>
      \ninterface<\/span> User<\/span> {<\/span>
      \n id:<\/span> number<\/span>;<\/span>
      \n name:<\/span> string<\/span>;<\/span>
      \n}<\/span>
      \ninterface<\/span> UserInfo<\/span> extends<\/span> User<\/span> {<\/span>
      \n address:<\/span> string<\/span>;<\/span>
      \n}<\/span><\/p>\n

      \/\/ type：\u4ec5\u505a\u522b\u540d，\u4e0d\u652f\u6301\u7ee7\u627f<\/span>
      \ntype<\/span> UserType<\/span> =<\/span> {<\/span>
      \n id:<\/span> number<\/span>;<\/span>
      \n name:<\/span> string<\/span>;<\/span>
      \n}<\/span><\/p>\n

      \u4e09\u3001React\u5408\u6210\u4e8b\u4ef6TS\u7c7b\u578b（\u8868\u5355\u5f00\u53d1\u5fc5\u7528）<\/h3>\n

      \u539f\u751f\u4e8b\u4ef6\u5199\u6cd5\u7c7b\u578b\u6a21\u7cca，React\u63d0\u4f9b\u5185\u7f6e\u4e8b\u4ef6\u6cdb\u578bReact.ChangeEvent，\u7cbe\u51c6\u7ed1\u5b9aDOM\u5143\u7d20\u7c7b\u578b\u3002<\/p>\n

      3.1 \u8f93\u5165\u6846\u53d7\u63a7\u7ec4\u4ef6\u6807\u51c6\u5199\u6cd5<\/h4>\n

      import { useState } from 'react';<\/p>\n

      const InputDemo: React.FC = () => {
      \n const [editingName, setEditingName] = useState("");<\/p>\n

      \/\/ \u6cdb\u578b\u6307\u5b9aHTMLInputElement，\u5b8c\u6574\u62ff\u5230\u8f93\u5165\u6846DOM\u7c7b\u578b
      \n const handleChange = (e: React.ChangeEvent<HTMLInputElement>) => {
      \n setEditingName(e.target.value);
      \n };<\/p>\n

      return (
      \n <input value={editingName} onChange={handleChange} placeholder="\u8bf7\u8f93\u5165\u540d\u79f0" \/>
      \n );
      \n};<\/p>\n

      \u8e29\u5751\u63d0\u9192：
      \n\u4e0d\u8981\u76f4\u63a5\u5199(e) => void，\u4e22\u5931DOM\u5143\u7d20\u7c7b\u578b，\u65e0\u6cd5\u83b7\u53d6target\u5b8c\u6574\u5c5e\u6027\u3002<\/p>\n

      3.2 \u81ea\u5b9a\u4e49\u4e8b\u4ef6\u7236\u5b50\u901a\u4fe1\u7c7b\u578b\u89c4\u8303<\/h4>\n

      \u5b50\u7ec4\u4ef6\u629b\u51fa\u81ea\u5b9a\u4e49\u4e8b\u4ef6，\u7236\u7ec4\u4ef6\u63a5\u6536，\u7edf\u4e00\u7ea6\u675f\u56de\u8c03\u51fd\u6570\u7c7b\u578b：<\/p>\n

      \/\/ \u5b50\u7ec4\u4ef6Props
      \ninterface ChildProps {
      \n \/\/ \u81ea\u5b9a\u4e49\u56de\u8c03，\u53c2\u6570\u4e3a\u8f93\u5165\u5b57\u7b26\u4e32
      \n onChangeName: (val: string) => void;
      \n}<\/p>\n

      const ChildInput: React.FC<ChildProps> = ({ onChangeName }) => {
      \n const handleChange = (e: React.ChangeEvent<HTMLInputElement>) => {
      \n \/\/ \u5411\u4e0a\u629b\u51fa\u503c
      \n onChangeName(e.target.value);
      \n };
      \n return <input onChange={handleChange} \/>;
      \n};<\/p>\n

      \/\/ \u7236\u7ec4\u4ef6\u4f7f\u7528
      \nconst Parent = () => {
      \n const handleUpdate = (name: string) => {
      \n console.log("\u5b50\u7ec4\u4ef6\u4f20\u8fc7\u6765\u7684\u503c：", name);
      \n };
      \n return <ChildInput onChangeName={handleUpdate} \/>;
      \n};<\/p>\n

      \u56db\u3001\u5355\u5411\u6570\u636e\u6d41：\u7ec4\u4ef6\u72b6\u6001\u5206\u5c423\u4e2a\u8fed\u4ee3\u7248\u672c（\u4f01\u4e1a\u6807\u51c6）<\/h3>\n

      \u6838\u5fc3\u539f\u5219：\u7236\u7ec4\u4ef6\u6301\u6709\u72b6\u6001，\u5b50\u7ec4\u4ef6\u4ec5\u5c55\u793a，\u72b6\u6001\u901a\u8fc7props\u4e0b\u53d1，\u4fee\u6539\u65b9\u6cd5\u901a\u8fc7\u81ea\u5b9a\u4e49\u4e8b\u4ef6\u4e0a\u629b，\u4e5f\u5c31\u662fUI = fn(props)\u3002<\/p>\n

      \u7248\u672c1：\u539f\u59cb\u5199\u6cd5（\u72b6\u6001\u5206\u6563，\u53ef\u8bfb\u6027\u5dee）<\/h4>\n

      \u5b50\u7ec4\u4ef6\u79c1\u6709\u72b6\u6001，\u7236\u5b50\u5404\u81ea\u7ef4\u62a4\u4e00\u4efd\u6570\u636e，\u6570\u636e\u4e0d\u540c\u6b65，\u591a\u4eba\u534f\u4f5c\u6781\u6613\u51fabug\u3002<\/p>\n

      \/\/ \u5b50\u7ec4\u4ef6\u81ea\u5df1\u5b58editingName，\u7236\u7ec4\u4ef6\u65e0\u6cd5\u540c\u6b65
      \nconst Child = () => {
      \n const [editingName, setEditingName] = useState("");
      \n const change = (e: React.ChangeEvent<HTMLInputElement>) => {
      \n setEditingName(e.target.value);
      \n };
      \n return <input value={editingName} onChange={change} \/>;
      \n};<\/p>\n

      \u7248\u672c2：\u6298\u4e2d\u65b9\u6848（\u5b50\u79c1\u6709\u72b6\u6001，\u63d0\u4ea4\u540c\u6b65\u7236）<\/h4>\n

      \u5b50\u7ec4\u4ef6\u7f16\u8f91\u65f6\u64cd\u4f5c\u672c\u5730\u72b6\u6001，\u4ec5\u63d0\u4ea4\u65f6\u540c\u6b65\u7236\u7ec4\u4ef6，\u9002\u5408\u4e34\u65f6\u8349\u7a3f\u573a\u666f\u3002<\/p>\n

      \u7248\u672c3：\u6700\u4f18\u65b9\u6848（\u72b6\u6001\u63d0\u5347，\u7eaf\u5c55\u793a\u5b50\u7ec4\u4ef6）<\/h4>\n

      \u6240\u6709\u72b6\u6001\u7edf\u4e00\u653e\u5230\u7236\u7ec4\u4ef6，\u5b50\u7ec4\u4ef6\u65e0\u4efb\u4f55state，\u7eaf\u53d7\u63a7\u7ec4\u4ef6，\u6027\u80fd\u66f4\u597d\u3001\u6570\u636e\u7edf\u4e00\u3002<\/p>\n

      \/\/ \u7236\u7ec4\u4ef6：\u552f\u4e00\u72b6\u6001\u6301\u6709\u8005
      \nconst Parent = () => {
      \n const [editingName, setEditingName] = useState("");<\/p>\n

      const handleChange = (val: string) => {
      \n setEditingName(val);
      \n };<\/p>\n

      return <ChildInput value={editingName} onChange={handleChange} \/>;
      \n};<\/p>\n

      \/\/ \u5b50\u7ec4\u4ef6：\u65e0\u72b6\u6001，\u53ea\u63a5\u6536props\u6e32\u67d3
      \ninterface ChildInputProps {
      \n value: string;
      \n onChange: (v: string) => void;
      \n}
      \nconst ChildInput: React.FC<ChildInputProps> = ({ value, onChange }) => {
      \n const inputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
      \n onChange(e.target.value);
      \n };
      \n return <input value={value} onChange={inputChange} \/>;
      \n};<\/p>\n

      \u4f18\u52bf：<\/p>\n

    • \u5168\u5c40\u6570\u636e\u552f\u4e00\u6e90\u5934，\u4e0d\u4f1a\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4<\/li>\n
    • \u5b50\u7ec4\u4ef6\u65e0\u6e32\u67d3\u5197\u4f59，\u6027\u80fd\u66f4\u9ad8<\/li>\n
    • \u5168\u5c40\u72b6\u6001\u7edf\u4e00\u7ba1\u7406，\u65b9\u4fbf\u6301\u4e45\u5316\u5b58\u50a8<\/li>\n

      \u4e94\u3001useEffect\u526f\u4f5c\u7528\u94a9\u5b50：\u66ff\u4ee3\u5168\u5957\u751f\u547d\u5468\u671f<\/h3>\n

      5.1 useEffect\u5bf9\u5e94\u4e09\u5927\u751f\u547d\u5468\u671f<\/h4>\n
        \n
      • \u6302\u8f7d\u540emounted：\u4f9d\u8d56\u6570\u7ec4\u4f20[]，\u4ec5\u9875\u9762\u521d\u59cb\u5316\u6267\u884c\u4e00\u6b21<\/li>\n
      • \u66f4\u65b0\u540eupdated：\u4f9d\u8d56\u6570\u7ec4\u586b\u5165\u76d1\u542c\u53d8\u91cf，\u53d8\u91cf\u53d8\u5316\u6267\u884c<\/li>\n
      • \u5378\u8f7d\u524dunmounted：\u51fd\u6570\u5185\u90e8\u8fd4\u56de\u6e05\u7406\u51fd\u6570，\u7ec4\u4ef6\u9500\u6bc1\u6267\u884c<\/li>\n<\/ul>\n

        5.2 \u63a5\u53e3\u8bf7\u6c42\u6807\u51c6\u5b9e\u6218（\u6700\u5e38\u7528\u573a\u666f）<\/h4>\n

        \u9875\u9762\u6302\u8f7d\u540e\u8bf7\u6c42\u540e\u7aef\u63a5\u53e3，\u62ff\u5230\u6570\u636e\u6e32\u67d3\u5217\u8868：<\/p>\n

        import { useState, useEffect } from 'react';<\/p>\n

        interface UserItem {
        \n id: number;
        \n name: string;
        \n}<\/p>\n

        const UserList: React.FC = () => {
        \n const [userList, setUserList] = useState<UserItem[]>([]);<\/p>\n

        useEffect(() => {
        \n \/\/ \u6a21\u62df\u63a5\u53e3\u8bf7\u6c42
        \n const fetchUser = async () => {
        \n const res = await fetch("\/api\/user");
        \n const data = await res.json();
        \n setUserList(data);
        \n };
        \n fetchUser();<\/p>\n

        \/\/ \u5378\u8f7d\u6e05\u7406：\u53d6\u6d88\u8bf7\u6c42，\u9632\u6b62\u7ec4\u4ef6\u9500\u6bc1\u540esetState\u62a5\u9519
        \n return () => {
        \n console.log("\u7ec4\u4ef6\u5378\u8f7d，\u6e05\u7406\u526f\u4f5c\u7528");
        \n };
        \n }, []); \/\/ \u7a7a\u4f9d\u8d56，\u4ec5\u6302\u8f7d\u6267\u884c\u4e00\u6b21<\/p>\n

        return (
        \n <div>
        \n {userList.map(item => (
        \n <div key={item.id}>{item.name}<\/div>
        \n ))}
        \n <\/div>
        \n );
        \n};<\/p>\n

        \u8e29\u5751\u63d0\u9192：
        \n\u4f9d\u8d56\u6570\u7ec4\u5fc5\u987b\u8865\u9f50\u6240\u6709\u5185\u90e8\u4f7f\u7528\u7684\u53d8\u91cf，\u5426\u5219\u4f1a\u51fa\u73b0\u95ed\u5305\u9677\u9631\u3002<\/p>\n

        \u516d\u3001\u524d\u7aef\u672c\u5730\u6301\u4e45\u5316：localStorage vs IndexedDB \u5b8c\u6574\u5bf9\u6bd4<\/h3>\n

        6.1 localStorage \u57fa\u7840\u4f7f\u7528\u4ee3\u7801<\/h4>\n

        \u9650\u5236：\u4ec5\u652f\u6301\u5b57\u7b26\u4e32\u5b58\u50a8，\u5bb9\u91cf\u7ea65MB，\u540c\u6b65API，\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002<\/p>\n

        \/\/ \u5199\u5165\u5bf9\u8c61\u5fc5\u987b\u5e8f\u5217\u5316<\/span>
        \nconst<\/span> saveUser<\/span> =<\/span> (<\/span>user:<\/span> UserItem)<\/span> =><\/span> {<\/span>
        \n localStorage.<\/span>setItem<\/span>(<\/span>"user"<\/span>,<\/span> JSON<\/span>.<\/span>stringify<\/span>(<\/span>user)<\/span>)<\/span>;<\/span>
        \n}<\/span>;<\/span><\/p>\n

        \/\/ \u8bfb\u53d6\u9700\u8981\u53cd\u5e8f\u5217\u5316<\/span>
        \nconst<\/span> getUser =<\/span> (<\/span>)<\/span>:<\/span> UserItem |<\/span> null<\/span> =><\/span> {<\/span>
        \n const<\/span> str =<\/span> localStorage.<\/span>getItem<\/span>(<\/span>"user"<\/span>)<\/span>;<\/span>
        \n if<\/span> (<\/span>!<\/span>str)<\/span> return<\/span> null<\/span>;<\/span>
        \n return<\/span> JSON<\/span>.<\/span>parse<\/span>(<\/span>str)<\/span>;<\/span>
        \n}<\/span>;<\/span><\/p>\n

        \/\/ \u5220\u9664<\/span>
        \nlocalStorage.<\/span>removeItem<\/span>(<\/span>"user"<\/span>)<\/span>;<\/span>
        \n\/\/ \u6e05\u7a7a\u5168\u90e8<\/span>
        \nlocalStorage.<\/span>clear<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

        \u9002\u7528\u573a\u666f：\u5c11\u91cf\u914d\u7f6e\u3001token\u3001\u4e3b\u9898\u3001\u7b80\u5355\u504f\u597d\u8bbe\u7f6e\u3002<\/p>\n

        6.2 IndexedDB \u6838\u5fc3\u7279\u70b9<\/h4>\n
      • \u5f02\u6b65API，\u4e0d\u4f1a\u963b\u585e\u9875\u9762\u6e32\u67d3<\/li>\n
      • \u5927\u5bb9\u91cf\u5b58\u50a8，\u652f\u6301Blob\u3001\u4e8c\u8fdb\u5236\u3001\u5bf9\u8c61\u76f4\u63a5\u5b58\u50a8，\u65e0\u9700JSON\u5e8f\u5217\u5316<\/li>\n
      • \u652f\u6301\u6570\u636e\u8868\u3001\u7d22\u5f15\u3001\u6761\u4ef6\u7b5b\u9009\u3001\u5206\u9875\u67e5\u8be2<\/li>\n
      • \u9002\u5408\u79bb\u7ebf\u7f13\u5b58\u3001\u5927\u91cf\u5217\u8868\u3001\u672c\u5730\u6587\u4ef6\u5b58\u50a8<\/li>\n

        \u539f\u751fAPI\u5199\u6cd5\u7e41\u7410，\u9879\u76ee\u4e2d\u7edf\u4e00\u4f7f\u7528Dexie.js\u5c01\u88c5\u7b80\u5316\u5f00\u53d1\u3002<\/p>\n

        6.3 \u4e24\u8005\u6838\u5fc3\u533a\u522b\u603b\u7ed3<\/h4>\n\n\u7ef4\u5ea6localStorageIndexedDB<\/tr>\n\n\n\n\n\n\n
        \u8bfb\u5199\u6a21\u5f0f<\/td>\n\u540c\u6b65，\u963b\u585eUI<\/td>\n\u5f02\u6b65Promise，\u4e0d\u5361\u987f\u9875\u9762<\/td>\n<\/tr>\n
        \u5b58\u50a8\u5bb9\u91cf<\/td>\n\u7ea65MB<\/td>\n\u51e0\u5341MB\u8d77，\u53d7\u78c1\u76d8\u914d\u989d\u9650\u5236<\/td>\n<\/tr>\n
        \u6570\u636e\u7c7b\u578b<\/td>\n\u4ec5\u5b57\u7b26\u4e32，\u5bf9\u8c61\u9700\u5e8f\u5217\u5316<\/td>\n\u539f\u751f\u652f\u6301\u5bf9\u8c61\u3001Blob\u3001ArrayBuffer<\/td>\n<\/tr>\n
        \u67e5\u8be2\u80fd\u529b<\/td>\n\u4ec5\u6309\u952e\u53d6\u503c，\u65e0\u7b5b\u9009<\/td>\n\u652f\u6301\u7d22\u5f15\u3001\u6761\u4ef6\u3001\u5206\u9875\u67e5\u8be2<\/td>\n<\/tr>\n
        \u4e0a\u624b\u96be\u5ea6<\/td>\n\u6781\u7b80，\u4e00\u884c\u8c03\u7528<\/td>\n\u539f\u751f\u590d\u6742，\u9700\u5c01\u88c5\u5e93<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u9009\u578b\u5efa\u8bae<\/h4>\n
      • \u51e0\u5341KB\u7b80\u5355\u914d\u7f6e \u2192 localStorage<\/li>\n
      • \u5927\u91cf\u6570\u636e\u3001\u79bb\u7ebf\u9875\u9762\u3001\u5b58\u50a8\u56fe\u7247\u6587\u4ef6\u3001\u9700\u8981\u7b5b\u9009\u6570\u636e \u2192 IndexedDB<\/li>\n

        \u4e03\u3001\u5168\u6587\u6838\u5fc3\u8e29\u5751\u6c47\u603b（\u5f00\u53d1\u9ad8\u9891\u95ee\u9898）<\/h3>\n
      • \u4f7f\u7528React.FC\u5fd8\u8bb0\u6cdb\u578b，props\u65e0\u7c7b\u578b\u7ea6\u675f，\u7f16\u8f91\u5668\u65e0\u63d0\u793a<\/li>\n
      • \u5408\u6210\u4e8b\u4ef6\u4e0d\u5199React.ChangeEvent<HTMLInputElement>，\u4e22\u5931DOM\u7c7b\u578b<\/li>\n
      • \u7236\u5b50\u7ec4\u4ef6\u72b6\u6001\u4e0d\u63d0\u5347，\u591a\u5904\u7ef4\u62a4\u540c\u4e00\u4efd\u6570\u636e，\u9020\u6210\u6570\u636e\u4e0d\u540c\u6b65<\/li>\n
      • useEffect\u4f9d\u8d56\u6570\u7ec4\u6f0f\u5199\u53d8\u91cf，\u51fa\u73b0\u95ed\u5305\u65e7\u503cbug<\/li>\n
      • localStorage\u76f4\u63a5\u5b58\u5bf9\u8c61，\u5fd8\u8bb0JSON.stringify，\u8bfb\u53d6\u540e\u53d8\u6210[object Object]<\/li>\n
      • \u5927\u6279\u91cf\u6570\u636e\u4f7f\u7528localStorage\u5b58\u50a8，\u540c\u6b65\u8bfb\u5199\u5bfc\u81f4\u9875\u9762\u4e25\u91cd\u5361\u987f<\/li>\n

        \u516b\u3001\u5b8c\u6574\u5b9e\u6218\u603b\u7ed3<\/h3>\n
      • React\u4f01\u4e1a\u7ea7\u9879\u76ee\u4f18\u5148\u642d\u914dTS，\u7528React.FC+interface\u7ea6\u675f\u7ec4\u4ef6props，\u7c7b\u578b\u81ea\u6587\u6863\u5316<\/li>\n
      • \u8868\u5355\u4e8b\u4ef6\u7edf\u4e00\u4f7f\u7528React\u5185\u7f6e\u5408\u6210\u4e8b\u4ef6\u6cdb\u578b，\u89c4\u8303\u7c7b\u578b\u3001\u51cf\u5c11\u62a5\u9519<\/li>\n
      • \u4e25\u683c\u9075\u5faa\u5355\u5411\u6570\u636e\u6d41，\u72b6\u6001\u7edf\u4e00\u63d0\u5347\u81f3\u7236\u7ec4\u4ef6，\u5b50\u7ec4\u4ef6\u505a\u7eafUI\u6e32\u67d3<\/li>\n
      • useEffect\u66ff\u4ee3class\u751f\u547d\u5468\u671f，\u5904\u7406\u63a5\u53e3\u8bf7\u6c42\u3001\u5b9a\u65f6\u5668\u7b49\u526f\u4f5c\u7528，\u8bb0\u5f97\u6e05\u7406\u5378\u8f7d\u8d44\u6e90<\/li>\n
      • \u5c0f\u4f53\u91cf\u914d\u7f6e\u7528localStorage，\u5927\u6279\u91cf\u79bb\u7ebf\u6570\u636e\u3001\u6587\u4ef6\u5b58\u50a8\u9009\u7528IndexedDB<\/li>\n","protected":false},"excerpt":{"rendered":"

        \u524d\u8a00
        \n\u505a\u4f01\u4e1a\u7ea7React\u9879\u76ee\u4e0d\u7528TS，\u540e\u671f\u91cd\u6784\u76f4\u63a5\u5d29\u6e83\u3002
        \n\u5f88\u591a\u4eba\u53ea\u4f1a\u7b80\u5355\u5199React.FC，\u4f46props\u6cdb\u578b\u3001\u5408\u6210\u4e8b\u4ef6\u3001useEffect\u526f\u4f5c\u7528\u3001\u524d\u7aef\u6301\u4e45\u5316\u5b58\u50a8\u5168\u662f\u6a21\u7cca\u70b9\u3002
        \n\u8bfb\u5b8c\u8fd9\u7bc7\u4f60\u80fd\u638c\u63e1：
        \nReact.FC\u3001interface\/type\u3001\u6cdb\u578b\u5b8c\u6574\u7c7b\u578b\u7ea6\u675f\u5199\u6cd5\u7236\u5b50\u7ec4\u4ef6\u5355\u5411\u6570\u636e\u6d41\u6807\u51c6\u901a\u4fe1\u65b9\u6848React\u5408\u6210\u4e8b\u4ef6TS\u7c7b\u578b\u89c4\u8303（ChangeEvent）useEffect\u751f\u547d\u5468\u671f\u4e0e\u526f\u4f5c\u7528\u5b9e\u6218\u573a\u666flocalStora<\/p>\n","protected":false},"author":2,"featured_media":87211,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9099,187,524,87],"topic":[],"class_list":["post-87212","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-9099","tag-javascript","tag-react-js","tag-87"],"yoast_head":"\n90%\u524d\u7aef\u5199React+TS\u90fd\u8e29\u5751\uff01\u4ece\u7ec4\u4ef6\u7c7b\u578b\u3001\u5355\u5411\u6570\u636e\u6d41\u5230\u672c\u5730\u5b58\u50a8\u5b8c\u6574\u5b9e\u6218 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/87212.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"90%\u524d\u7aef\u5199React+TS\u90fd\u8e29\u5751\uff01\u4ece\u7ec4\u4ef6\u7c7b\u578b\u3001\u5355\u5411\u6570\u636e\u6d41\u5230\u672c\u5730\u5b58\u50a8\u5b8c\u6574\u5b9e\u6218 - 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