{"id":26004,"date":"2024-10-27T06:48:59","date_gmt":"2024-10-27T06:48:59","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=26004"},"modified":"2024-11-26T07:46:38","modified_gmt":"2024-11-26T07:46:38","slug":"%eb%a6%ac%ec%95%a1%ed%8a%b8-%ea%b0%95%ec%a2%8c-%ec%bb%b4%ed%8f%ac%eb%84%8c%ed%8a%b8%ec%97%90-%ea%b0%92-%ec%a0%84%eb%8b%ac%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/26004\/","title":{"rendered":"\ub9ac\uc561\ud2b8 \uac15\uc88c: \ucef4\ud3ec\ub10c\ud2b8\uc5d0 \uac12 \uc804\ub2ec\ud558\uae30"},"content":{"rendered":"

<\/p>\n

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\n \ub9ac\uc561\ud2b8(React)\ub294 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8 \ub77c\uc774\ube0c\ub7ec\ub9ac \uc911 \ud558\ub098\ub85c, \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ucd95\ud558\ub294\ub370 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4. \ud2b9\ud788, \ucef4\ud3ec\ub10c\ud2b8 \uae30\ubc18 \uc544\ud0a4\ud14d\ucc98 \ub355\ubd84\uc5d0 \uc7ac\uc0ac\uc6a9 \uac00\ub2a5\ud558\uace0 \uc720\uc9c0\ubcf4\uc218\uac00 \uc6a9\uc774\ud55c \uad6c\uc870\ub85c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 \ub9ac\uc561\ud2b8\uc758 \ucef4\ud3ec\ub10c\ud2b8 \uac04\uc5d0 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc2ec\ub3c4 \uc788\uac8c \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n

1. \ub9ac\uc561\ud2b8\uc758 \uae30\ubcf8 \uac1c\ub150<\/h2>\n

\n \ub9ac\uc561\ud2b8\ub294 \ucef4\ud3ec\ub10c\ud2b8<\/strong>\ub77c\ub294 \ub3c5\ub9bd\uc801\uc778 UI \uc870\uac01\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc73c\uba70, \uc774\ub7ec\ud55c \ucef4\ud3ec\ub10c\ud2b8\ub4e4\uc774 \ubaa8\uc5ec\uc11c \ubcf5\uc7a1\ud55c \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \ucef4\ud3ec\ub10c\ud2b8\ub294 \ud06c\uac8c \ub450 \uac00\uc9c0 \uc720\ud615\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4: \ud568\uc218\ud615 \ucef4\ud3ec\ub10c\ud2b8<\/strong>\uc640 \ud074\ub798\uc2a4\ud615 \ucef4\ud3ec\ub10c\ud2b8<\/strong>\uc785\ub2c8\ub2e4.\n <\/p>\n

1.1 \ud568\uc218\ud615 \ucef4\ud3ec\ub10c\ud2b8<\/h3>\n

\n \ud568\uc218\ud615 \ucef4\ud3ec\ub10c\ud2b8\ub294 \ub9ac\uc561\ud2b8\uc758 \ucd5c\uc2e0 \ud2b8\ub80c\ub4dc\uc774\uba70, \uad49\uc7a5\ud788 \uac04\ub2e8\ud558\uac8c \uc791\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uae30\ubcf8\uc801\uc778 \ud568\uc218\ud615 \ucef4\ud3ec\ub10c\ud2b8\uc758 \uc608\uc785\ub2c8\ub2e4:\n <\/p>\n

\nfunction Greeting() {\n    return <h1>\uc548\ub155\ud558\uc138\uc694!<\/h1>;\n}\n        <\/code><\/pre>\n
1.2 \ud074\ub798\uc2a4\ud615 \ucef4\ud3ec\ub10c\ud2b8<\/h3>\n
\n            \ud074\ub798\uc2a4\ud615 \ucef4\ud3ec\ub10c\ud2b8\ub294 JavaScript\uc758 \ud074\ub798\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc815\uc758\ud569\ub2c8\ub2e4. \uc544\ub798\ub294 \ud074\ub798\uc2a4\ub97c \uc0ac\uc6a9\ud55c \uc608\uc785\ub2c8\ub2e4:\n        <\/p>\n
\nclass Greeting extends React.Component {\n    render() {\n        return <h1>\uc548\ub155\ud558\uc138\uc694!<\/h1>;\n    }\n}\n        <\/code><\/pre>\n
2. \ucef4\ud3ec\ub10c\ud2b8 \uac04\uc758 \uac12 \uc804\ub2ec\ud558\uae30<\/h2>\n
\n            \ucef4\ud3ec\ub10c\ud2b8 \uac04\uc5d0 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud558\ub294 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95\uc740 props<\/strong>\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. Props\ub294 \uc0c1\uc704 \ucef4\ud3ec\ub10c\ud2b8\uc5d0\uc11c \ud558\uc704 \ucef4\ud3ec\ub10c\ud2b8\ub85c \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud560 \ub54c \uc0ac\uc6a9\ub418\ub294 \uac1d\uccb4\uc785\ub2c8\ub2e4.\n        <\/p>\n
2.1 Props\uc758 \uc815\uc758\uc640 \uc0ac\uc6a9<\/h3>\n
\n            Props\ub294 \ucef4\ud3ec\ub10c\ud2b8\uc758 \uc18d\uc131(properties)\uc73c\ub85c, \uc8fc\ub85c \ud558\uc704 \ucef4\ud3ec\ub10c\ud2b8\uc758 \ub80c\ub354\ub9c1\uc744 \uc81c\uc5b4\ud569\ub2c8\ub2e4. \uba3c\uc800, \ubd80\ubaa8 \ucef4\ud3ec\ub10c\ud2b8\uc5d0\uc11c \uc790\uc2dd \ucef4\ud3ec\ub10c\ud2b8\uc5d0 props\ub97c \uc804\ub2ec\ud558\ub294 \uae30\ubcf8\uc801\uc778 \uc608\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n        <\/p>\n
\nfunction ParentComponent() {\n    const message = \"\uc548\ub155\ud558\uc138\uc694! \ub9ac\uc561\ud2b8\uc785\ub2c8\ub2e4.\";\n    return <ChildComponent message={message} \/>;\n}\n\nfunction ChildComponent(props) {\n    return <p>{props.message}<\/p>;\n}\n        <\/code><\/pre>\n
\n            \uc704 \uc608\uc81c\uc5d0\uc11c\ub294 ParentComponent<\/code>\uc5d0\uc11c ChildComponent<\/code>\uc5d0 message<\/code>\ub77c\ub294 props\ub97c \uc804\ub2ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc790\uc2dd \ucef4\ud3ec\ub10c\ud2b8\ub294 \uc774 \uac12\uc744 props.message<\/code>\ub97c \ud1b5\ud574 \uc811\uadfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n        <\/p>\n
2.2 Props \ud0c0\uc785 \uac80\uc0ac<\/h3>\n
\n            \ub9ac\uc561\ud2b8\uc5d0\uc11c\ub294 PropTypes<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc804\ub2ec\ub41c props\uc758 \ub370\uc774\ud130 \ud0c0\uc785\uc744 \uac80\uc0ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ucf54\ub4dc \uc548\uc804\uc131\uc744 \ub192\uc774\uace0, \ub514\ubc84\uae45\uc744 \uc27d\uac8c \ub9cc\ub4ed\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c\uacfc \uac19\uc774 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:\n        <\/p>\n
\nimport PropTypes from 'prop-types';\n\nChildComponent.propTypes = {\n    message: PropTypes.string.isRequired,\n};\n        <\/code><\/pre>\n
\n            \uc704 \uc608\uc81c\uc5d0\uc11c ChildComponent<\/code>\ub294 message<\/code>\uac00 \ubb38\uc790\uc5f4 \ud0c0\uc785\uc774\uc5b4\uc57c \ud558\uba70, \ud544\uc218 \uc18d\uc131\uc73c\ub85c \uc124\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4.\n        <\/p>\n
3. \ucef4\ud3ec\ub10c\ud2b8 \uac04 \ub370\uc774\ud130 \uc804\ub2ec\uc758 \ub2e4\uc591\ud55c \ud328\ud134<\/h2>\n
\n            \ub9ac\uc561\ud2b8\uc5d0\uc11c \ub370\uc774\ud130 \uc804\ub2ec \ubc29\uc2dd\uc740 props \uc678\uc5d0\ub3c4 \uba87 \uac00\uc9c0 \ub2e4\ub978 \ud328\ud134\uc744 \ud1b5\ud574 \uc774\ub904\uc9d1\ub2c8\ub2e4. \uc774 \uc7a5\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uacbd\uc6b0\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n        <\/p>\n
3.1 \uc0c1\uc704-\ud558\uc704 \ucef4\ud3ec\ub10c\ud2b8 \uac04 \ub370\uc774\ud130 \uc804\ub2ec<\/h3>\n
\n            \uc0c1\uc704 \ucef4\ud3ec\ub10c\ud2b8\ub294 \uc790\uc2dd \ucef4\ud3ec\ub10c\ud2b8\uc5d0 props\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ubc29\uc2dd\uc740 \ub2e8\ubc29\ud5a5 \ub370\uc774\ud130 \ud750\ub984\uc744 \ubcf4\uc7a5\ud558\uba70, \uc0c1\ud0dc\ub97c \uad00\ub9ac\ud558\uae30 \uc88b\uc740 \uad6c\uc870\uc785\ub2c8\ub2e4.\n        <\/p>\n
\nfunction App() {\n    const [count, setCount] = useState(0);\n\n    return (\n        <div>\n            <Counter count={count} \/>\n            <button onClick={() => setCount(count + 1)}>\uc99d\uac00<\/button>\n        <\/div>\n    );\n}\n\nfunction Counter(props) {\n    return <p>\ud604\uc7ac \uce74\uc6b4\ud2b8: {props.count}<\/p>;\n}\n        <\/code><\/pre>\n
3.2 \ud558\uc704-\uc0c1\uc704 \ucef4\ud3ec\ub10c\ud2b8 \uac04 \ub370\uc774\ud130 \uc804\ub2ec<\/h3>\n
\n            \ud558\uc704 \ucef4\ud3ec\ub10c\ud2b8\uc5d0\uc11c \uc0c1\uc704 \ucef4\ud3ec\ub10c\ud2b8\ub85c \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud558\ub824\uba74, \uc0c1\uc704 \ucef4\ud3ec\ub10c\ud2b8\uc5d0\uc11c \ucf5c\ubc31 \ud568\uc218\ub97c props\ub85c \uc790\uc2dd\uc5d0\uac8c \uc804\ub2ec\ud558\ub294 \ubc29\uc2dd\uc774 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4.\n        <\/p>\n
\nfunction ParentComponent() {\n    const handleChildData = (data) => {\n        console.log(data);\n    };\n\n    return <ChildComponent onSendData={handleChildData} \/>;\n}\n\nfunction ChildComponent(props) {\n    const sendData = () => {\n        props.onSendData(\"\uc790\uc2dd \ucef4\ud3ec\ub10c\ud2b8\uc5d0\uc11c \ubcf4\ub0b8 \ub370\uc774\ud130!\");\n    };\n\n    return <button onClick={sendData}>\ub370\uc774\ud130 \ubcf4\ub0b4\uae30<\/button>;\n}\n        <\/code><\/pre>\n
3.3 Context API\ub97c \uc0ac\uc6a9\ud55c \ub370\uc774\ud130 \uc804\ub2ec<\/h3>\n
\n            \uc5ec\ub7ec \ucef4\ud3ec\ub10c\ud2b8\uc5d0 \uac78\uccd0 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud574\uc57c \ud560 \uacbd\uc6b0 Context API<\/strong>\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4. Context API\ub294 \uc804\uc5ed \uc0c1\ud0dc \uad00\ub9ac\uc758 \ud55c \ud615\ud0dc\ub85c, props\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc77c\uc77c\uc774 \uc804\ub2ec\ud558\uc9c0 \uc54a\uace0\ub3c4 \ucef4\ud3ec\ub10c\ud2b8 \ud2b8\ub9ac \ud558\uc704\uc5d0\uc11c \ub370\uc774\ud130\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4.\n        <\/p>\n
\nimport React, { createContext, useContext } from 'react';\n\nconst MyContext = createContext();\n\nfunction App() {\n    return (\n        <MyContext.Provider value={\"\uc804\uc5ed \ub370\uc774\ud130\"}>\n            <ChildComponent \/>\n        <\/MyContext.Provider>\n    );\n}\n\nfunction ChildComponent() {\n    const data = useContext(MyContext);\n    return <p>{data}<\/p>;\n}\n        <\/code><\/pre>\n
4. \ub9c8\ubb34\ub9ac<\/h2>\n
\n            \ub9ac\uc561\ud2b8\uc5d0\uc11c \ucef4\ud3ec\ub10c\ud2b8 \uac04\uc758 \ub370\uc774\ud130 \uc804\ub2ec\uc740 \ud575\uc2ec\uc801\uc778 \uac1c\ub150\uc785\ub2c8\ub2e4. \uc774 \uac15\uc88c\uc5d0\uc11c\ub294 props\ub97c \uc0ac\uc6a9\ud55c \ub370\uc774\ud130 \uc804\ub2ec \ubc29\ubc95\uacfc \ub2e4\uc591\ud55c \ud328\ud134\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uac01\uac01\uc758 \uacbd\uc6b0\uc5d0 \ub530\ub77c \uc801\uc808\ud55c \ubc29\ubc95\uc744 \uc120\ud0dd\ud558\uace0, \uad6c\uc870\ud654\ub41c \ud504\ub85c\uadf8\ub798\ubc0d \ubc29\uc2dd\uc744 \uc801\uc6a9\ud568\uc73c\ub85c\uc368 \ud6a8\uc728\uc801\uc778 \ub9ac\uc561\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9ac\uc561\ud2b8\ub97c \ubc30\uc6b0\ub294 \uacfc\uc815\uc5d0\uc11c \uc774 \uac1c\ub150\uc744 \uc798 \uc775\ud600\ub450\uba74, \ubcf5\uc7a1\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub2e4\ub8e8\ub294 \ub370 \ud070 \ub3c4\uc6c0\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4.\n        <\/p>\n
5. \ucc38\uace0 \uc790\ub8cc<\/h2>\n