{"id":39067,"date":"2024-11-02T02:36:45","date_gmt":"2024-11-02T02:36:45","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=39067"},"modified":"2024-11-26T06:42:31","modified_gmt":"2024-11-26T06:42:31","slug":"api%ec%99%80-%ec%84%9c%eb%b2%84%ec%99%80%ec%9d%98-%ed%86%b5%ec%8b%a0-crud-%ea%b8%b0%eb%8a%a5-%ea%b5%ac%ed%98%84%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/39067\/","title":{"rendered":"API\uc640 \uc11c\ubc84\uc640\uc758 \ud1b5\uc2e0, CRUD \uae30\ub2a5 \uad6c\ud604\ud558\uae30"},"content":{"rendered":"<p><body><\/p>\n<p>\ub9ac\uc561\ud2b8(React)\ub294 \ud604\ub300 \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0\uc11c \uac00\uc7a5 \uc778\uae30 \uc788\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ud2b9\ud788, \uc11c\ubc84\uc640\uc758 \ud1b5\uc2e0\uc744 \ud1b5\ud574 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\ub294 \uae30\ub2a5\uc740 \ud604\ub300 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 API\uc640 \uc11c\ubc84\uc640\uc758 \ud1b5\uc2e0 \ubc29\ubc95, CRUD(\uc0dd\uc131, \uc870\ud68c, \uc218\uc815, \uc0ad\uc81c) \uae30\ub2a5\uc744 \ub9ac\uc561\ud2b8\ub85c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>1. API\ub780?<\/h2>\n<p>API(Application Programming Interface)\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac04\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uc704\ud574 \uc815\uc758\ub41c \uc778\ud130\ud398\uc774\uc2a4\uc785\ub2c8\ub2e4. \uc6f9 API\ub294 HTTP \ud504\ub85c\ud1a0\ucf5c\uc744 \ud1b5\ud574 \ub370\uc774\ud130\uc640 \uae30\ub2a5\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c API\ub97c \ud1b5\ud574 RESTful \uc11c\ube44\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c CRUD \ubc29\uc2dd\uc73c\ub85c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n<h2>2. CRUD \uae30\ub2a5 \uc774\ud574\ud558\uae30<\/h2>\n<p>CRUD\ub294 Create(\uc0dd\uc131), Read(\uc870\ud68c), Update(\uc218\uc815), Delete(\uc0ad\uc81c)\uc758 \uc57d\uc790\ub85c, \ub370\uc774\ud130 \uad00\ub9ac\uc758 \uae30\ubcf8\uc801 \uae30\ub2a5\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ub9ac\uc561\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c CRUD \uae30\ub2a5\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uad6c\ud604\ud558\uae30 \uc704\ud574 \uc11c\ubc84\uc640 \ud1b5\uc2e0\ud558\ub294 \ubc29\uc2dd\uc5d0 \ub300\ud574 \uc54c\uc544\ubcfc \uac83\uc785\ub2c8\ub2e4. \uc6b0\ub9ac\uac00 \uc0ac\uc6a9\ud560 API\ub294 JSONPlaceholder\ub77c\ub294 \ubb34\ub8cc API\ub97c \uc0ac\uc6a9\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h3>2.1. JSONPlaceholder API \uc18c\uac1c<\/h3>\n<p>JSONPlaceholder\ub294 REST API\ub97c \uc81c\uacf5\ud558\uc5ec \uac00\uc0c1\uc758 \ub370\uc774\ud130\ub97c \ud14c\uc2a4\ud2b8\ud558\uace0 \uc608\uc81c \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\ub294 \uc11c\ube44\uc2a4\uc785\ub2c8\ub2e4. \uc5ec\ub7ec \uc885\ub958\uc758 \ub9ac\uc18c\uc2a4\ub97c \uc81c\uacf5\ud558\uba70, \ud2b9\ud788 \ub2e4\uc74c\uacfc \uac19\uc740 \ub9ac\uc18c\uc2a4\ub97c \uc0ac\uc6a9\ud560 \uac83\uc785\ub2c8\ub2e4:<\/p>\n<ul>\n<li>Posts (\uac8c\uc2dc\uae00)<\/li>\n<li>Comments (\ub313\uae00)<\/li>\n<li>Users (\uc0ac\uc6a9\uc790)<\/li>\n<\/ul>\n<h2>3. \ud658\uacbd \uc124\uc815<\/h2>\n<p>\ub9ac\uc561\ud2b8 \ud504\ub85c\uc81d\ud2b8\ub97c \uc2dc\uc791\ud558\uae30 \uc704\ud574, \uba3c\uc800 Create React App\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc0c8\ub85c\uc6b4 \ub9ac\uc561\ud2b8 \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \ud130\ubbf8\ub110\uc5d0 \uc785\ub825\ud558\uc5ec \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n<pre><code>npx create-react-app my-crud-app<\/code><\/pre>\n<p>\ud504\ub85c\uc81d\ud2b8\uac00 \uc0dd\uc131\ub418\uba74, \ud574\ub2f9 \ub514\ub809\ud1a0\ub9ac\ub85c \uc774\ub3d9\ud558\uace0 \uc758\uc874\uc131\uc744 \uc124\uce58\ud569\ub2c8\ub2e4:<\/p>\n<pre><code>cd my-crud-app<\/code><\/pre>\n<h2>4. API \ud1b5\uc2e0\uc744 \uc704\ud55c Axios \uc124\uce58\ud558\uae30<\/h2>\n<p>API \ud1b5\uc2e0\uc744 \uc704\ud574 Axios \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uba85\ub839\uc5b4\ub85c Axios\ub97c \uc124\uce58\ud569\ub2c8\ub2e4:<\/p>\n<pre><code>npm install axios<\/code><\/pre>\n<h2>5. \uae30\ubcf8 \uad6c\uc870 \ub9cc\ub4e4\uae30<\/h2>\n<p>\uc774\uc81c \ub9ac\uc561\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uae30\ubcf8 \uad6c\uc870\ub97c \ub9cc\ub4e4\uaca0\uc2b5\ub2c8\ub2e4. <code>src<\/code> \ub514\ub809\ud1a0\ub9ac \uc548\uc5d0 <code>components<\/code> \ud3f4\ub354\ub97c \ub9cc\ub4e4\uace0, \uadf8 \uc548\uc5d0 <code>PostList.js<\/code> \ud30c\uc77c\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774 \ud30c\uc77c\uc740 \uac8c\uc2dc\uae00 \ubaa9\ub85d\uc744 \ud45c\uc2dc\ud558\ub294 \ucef4\ud3ec\ub10c\ud2b8\uc785\ub2c8\ub2e4:<\/p>\n<pre><code>\n    \/\/ src\/components\/PostList.js\n    import React, { useEffect, useState } from 'react';\n    import axios from 'axios';\n\n    const PostList = () =&gt; {\n        const [posts, setPosts] = useState([]);\n\n        useEffect(() =&gt; {\n            const fetchPosts = async () =&gt; {\n                try {\n                    const response = await axios.get('https:\/\/jsonplaceholder.typicode.com\/posts');\n                    setPosts(response.data);\n                } catch (error) {\n                    console.error('Error fetching posts:', error);\n                }\n            };\n\n            fetchPosts();\n        }, []);\n\n        return (\n            <div>\n                <h2>\uac8c\uc2dc\uae00 \ubaa9\ub85d<\/h2>\n                <ul>\n                    {posts.map(post =&gt; (\n                        <li key=\"{post.id}\">\n                            <h3>{post.title}<\/h3>\n                            <p>{post.body}<\/p>\n                        <\/li>\n                    ))}\n                <\/ul>\n            <\/div>\n        );\n    };\n\n    export default PostList;\n    <\/code><\/pre>\n<h2>6. CRUD \uad6c\ud604\ud558\uae30<\/h2>\n<p>\uc774\uc81c CRUD \uae30\ub2a5\uc744 Implement \ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uac8c\uc2dc\uae00\uc744 \ucd94\uac00\ud560 \uc218 \uc788\ub294 \ud3fc\uc744 \ucd94\uac00\ud558\uace0, \uc218\uc815 \ubc0f \uc0ad\uc81c \uae30\ub2a5\ub3c4 \uad6c\ud604\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h3>6.1. \uac8c\uc2dc\uae00 \ucd94\uac00\ud558\uae30<\/h3>\n<p>\uc0c8\ub85c\uc6b4 \uac8c\uc2dc\uae00\uc744 \ucd94\uac00\ud558\uae30 \uc704\ud574, \ud3fc\uc744 \uad6c\uc131\ud558\uace0 Axios\ub97c \uc0ac\uc6a9\ud558\uc5ec POST \uc694\uccad\uc744 \ubcf4\ub0b4\uaca0\uc2b5\ub2c8\ub2e4. <code>PostForm.js<\/code> \ud30c\uc77c\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n<pre><code>\n    \/\/ src\/components\/PostForm.js\n    import React, { useState } from 'react';\n    import axios from 'axios';\n\n    const PostForm = ({ onAddPost }) =&gt; {\n        const [title, setTitle] = useState('');\n        const [body, setBody] = useState('');\n\n        const handleSubmit = async (e) =&gt; {\n            e.preventDefault();\n            try {\n                const response = await axios.post('https:\/\/jsonplaceholder.typicode.com\/posts', {\n                    title,\n                    body,\n                });\n                onAddPost(response.data);\n                setTitle('');\n                setBody('');\n            } catch (error) {\n                console.error('Error adding post:', error);\n            }\n        };\n\n        return (\n            <form onsubmit=\"{handleSubmit}\">\n                <input ==\"\" onchange=\"{(e)\" type=\"text\" value=\"{title}\"\/> setTitle(e.target.value)}\n                    placeholder=\"\uc81c\ubaa9\"\n                    required\n                \/&gt;\n                <textarea ==\"\" onchange=\"{(e)\" value=\"{body}\"> setBody(e.target.value)}\n                    placeholder=\"\ub0b4\uc6a9\"\n                    required\n                \/&gt;\n                <button type=\"submit\">\ucd94\uac00\ud558\uae30<\/button>\n            <\/textarea><\/form>\n        );\n    };\n\n    export default PostForm;\n    <\/code><\/pre>\n<h3>6.2. \uac8c\uc2dc\uae00 \uc218\uc815\ud558\uae30<\/h3>\n<p>\uac8c\uc2dc\uae00\uc744 \uc218\uc815\ud558\uae30 \uc704\ud574, \uc120\ud0dd\ub41c \uac8c\uc2dc\uae00\uc758 \ub370\uc774\ud130\ub97c \uc5c5\ub370\uc774\ud2b8\ud560 \uc218 \uc788\ub294 \uae30\ub2a5\uc744 \ucd94\uac00\ud558\uaca0\uc2b5\ub2c8\ub2e4. <code>EditPost.js<\/code> \ud30c\uc77c\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n<pre><code>\n    \/\/ src\/components\/EditPost.js\n    import React, { useState, useEffect } from 'react';\n    import axios from 'axios';\n\n    const EditPost = ({ postId, onUpdatePost }) =&gt; {\n        const [post, setPost] = useState(null);\n        const [title, setTitle] = useState('');\n        const [body, setBody] = useState('');\n\n        useEffect(() =&gt; {\n            const fetchPost = async () =&gt; {\n                try {\n                    const response = await axios.get(`https:\/\/jsonplaceholder.typicode.com\/posts\/${postId}`);\n                    setPost(response.data);\n                    setTitle(response.data.title);\n                    setBody(response.data.body);\n                } catch (error) {\n                    console.error('Error fetching post:', error);\n                }\n            };\n\n            fetchPost();\n        }, [postId]);\n\n        const handleUpdate = async (e) =&gt; {\n            e.preventDefault();\n            try {\n                const response = await axios.put(`https:\/\/jsonplaceholder.typicode.com\/posts\/${postId}`, {\n                    title,\n                    body,\n                });\n                onUpdatePost(response.data);\n            } catch (error) {\n                console.error('Error updating post:', error);\n            }\n        };\n\n        if (!post) return null;\n\n        return (\n            <form onsubmit=\"{handleUpdate}\">\n                <input ==\"\" onchange=\"{(e)\" type=\"text\" value=\"{title}\"\/> setTitle(e.target.value)}\n                    placeholder=\"\uc81c\ubaa9\"\n                    required\n                \/&gt;\n                <textarea ==\"\" onchange=\"{(e)\" value=\"{body}\"> setBody(e.target.value)}\n                    placeholder=\"\ub0b4\uc6a9\"\n                    required\n                \/&gt;\n                <button type=\"submit\">\uc218\uc815\ud558\uae30<\/button>\n            <\/textarea><\/form>\n        );\n    };\n\n    export default EditPost;\n    <\/code><\/pre>\n<h3>6.3. \uac8c\uc2dc\uae00 \uc0ad\uc81c\ud558\uae30<\/h3>\n<p>\uac8c\uc2dc\uae00 \uc0ad\uc81c \uae30\ub2a5\uc744 \uc704\ud574 \uac8c\uc2dc\uae00 \ubaa9\ub85d\uc5d0\uc11c \uc0ad\uc81c\ud560 \uc218 \uc788\ub294 \ubc84\ud2bc\uc744 \ucd94\uac00\ud558\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>\n    \/\/ \uc218\uc815\ub41c src\/components\/PostList.js\n    import React, { useEffect, useState } from 'react';\n    import axios from 'axios';\n    import PostForm from '.\/PostForm';\n    import EditPost from '.\/EditPost';\n\n    const PostList = () =&gt; {\n        const [posts, setPosts] = useState([]);\n        const [editingPostId, setEditingPostId] = useState(null);\n\n        useEffect(() =&gt; {\n            const fetchPosts = async () =&gt; {\n                try {\n                    const response = await axios.get('https:\/\/jsonplaceholder.typicode.com\/posts');\n                    setPosts(response.data);\n                } catch (error) {\n                    console.error('Error fetching posts:', error);\n                }\n            };\n\n            fetchPosts();\n        }, []);\n\n        const handleAddPost = (newPost) =&gt; {\n            setPosts((prevPosts) =&gt; [...prevPosts, newPost]);\n        };\n\n        const handleUpdatePost = (updatedPost) =&gt; {\n            setPosts((prevPosts) =&gt;\n                prevPosts.map((post) =&gt; (post.id === updatedPost.id ? updatedPost : post))\n            );\n            setEditingPostId(null);\n        };\n\n        const handleDeletePost = async (postId) =&gt; {\n            try {\n                await axios.delete(`https:\/\/jsonplaceholder.typicode.com\/posts\/${postId}`);\n                setPosts((prevPosts) =&gt; prevPosts.filter((post) =&gt; post.id !== postId));\n            } catch (error) {\n                console.error('Error deleting post:', error);\n            }\n        };\n\n        return (\n            <div>\n                <h2>\uac8c\uc2dc\uae00 \ubaa9\ub85d<\/h2>\n                <postform onaddpost=\"{handleAddPost}\"><\/postform>\n                {editingPostId ? (\n                    <editpost onupdatepost=\"{handleUpdatePost}\" postid=\"{editingPostId}\"><\/editpost>\n                ) : null}\n                <ul>\n                    {posts.map((post) =&gt; (\n                        <li key=\"{post.id}\">\n                            <h3>{post.title}<\/h3>\n                            <p>{post.body}<\/p>\n                            <button ==\"\" onclick=\"{()\"> setEditingPostId(post.id)}&gt;\uc218\uc815\ud558\uae30<\/button>\n                            <button ==\"\" onclick=\"{()\"> handleDeletePost(post.id)}&gt;\uc0ad\uc81c\ud558\uae30<\/button>\n                        <\/li>\n                    ))}\n                <\/ul>\n            <\/div>\n        );\n    };\n\n    export default PostList;\n    <\/code><\/pre>\n<h2>7. \ucd5c\uc885 \uacb0\uacfc\ubb3c \uc870\ud569\ud558\uae30<\/h2>\n<p>\uc774\uc81c \ubaa8\ub4e0 \ucef4\ud3ec\ub10c\ud2b8\ub97c <code>App.js<\/code>\uc5d0\uc11c \uc870\ud569\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>\n    \/\/ src\/App.js\n    import React from 'react';\n    import PostList from '.\/components\/PostList';\n\n    const App = () =&gt; {\n        return (\n            <div>\n                <h1>\ub9ac\uc561\ud2b8 CRUD \uc608\uc81c<\/h1>\n                <postlist><\/postlist>\n            <\/div>\n        );\n    };\n\n    export default App;\n    <\/code><\/pre>\n<h2>8. \uacb0\ub860<\/h2>\n<p>\uc774\ubc88 \uae00\uc5d0\uc11c\ub294 \ub9ac\uc561\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec API\uc640\uc758 \ud1b5\uc2e0\uc744 \ud1b5\ud574 CRUD \uae30\ub2a5\uc744 \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4. API\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\ub294 \uacbd\ud5d8\uc740 \uc2e4\uc804 \uac1c\ubc1c\uc5d0\uc11c\ub3c4 \ub9e4\uc6b0 \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub9ac\uc561\ud2b8\uc640 Axios\ub97c \ud65c\uc6a9\ud558\uc5ec \ud6a8\uacfc\uc801\uc778 \ub370\uc774\ud130 \uad00\ub9ac \ubc0f \uc0ac\uc6a9\uc790 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ucd95\ud558\ub294 \ubc29\ubc95\uc744 \uc775\ud614\uae38 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n<h2>9. \ucd94\uac00\uc801\uc778 \ud559\uc2b5 \uc790\ub8cc<\/h2>\n<p>\ub9ac\uc561\ud2b8\uc640 API \ud1b5\uc2e0\uc5d0 \ub300\ud55c \ub354 \ub9ce\uc740 \ub0b4\uc6a9\uc744 \ud559\uc2b5\ud558\uace0 \uc2f6\ub2e4\uba74 \ub2e4\uc74c \uc790\ub8cc\ub97c \ucc38\uace0\ud558\uc2ed\uc2dc\uc624:<\/p>\n<ul>\n<li><a href=\"https:\/\/reactjs.org\/docs\/getting-started.html\">\ub9ac\uc561\ud2b8 \uacf5\uc2dd \ubb38\uc11c<\/a><\/li>\n<li><a href=\"https:\/\/axios-http.com\/docs\/intro\">Axios \uacf5\uc2dd \ubb38\uc11c<\/a><\/li>\n<li><a href=\"https:\/\/jsonplaceholder.typicode.com\/\">JSONPlaceholder API \uacf5\uc2dd \ubb38\uc11c<\/a><\/li>\n<\/ul>\n<p><\/body><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ub9ac\uc561\ud2b8(React)\ub294 \ud604\ub300 \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0\uc11c \uac00\uc7a5 \uc778\uae30 \uc788\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ud2b9\ud788, \uc11c\ubc84\uc640\uc758 \ud1b5\uc2e0\uc744 \ud1b5\ud574 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\ub294 \uae30\ub2a5\uc740 \ud604\ub300 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 API\uc640 \uc11c\ubc84\uc640\uc758 \ud1b5\uc2e0 \ubc29\ubc95, CRUD(\uc0dd\uc131, \uc870\ud68c, \uc218\uc815, \uc0ad\uc81c) \uae30\ub2a5\uc744 \ub9ac\uc561\ud2b8\ub85c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4. 1. API\ub780? 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