Flask\ub294 Python\uc73c\ub85c \uac04\ub2e8\ud558\uace0 \ube60\ub974\uac8c \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub9cc\ub4e4 \uc218 \uc788\ub294 \ub9c8\uc774\ud06c\ub85c \uc6f9 \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4. Flask\uc758 \uae30\ubcf8\uc801\uc778 \uc0ac\uc6a9\ubc95\uc744 \ub2e8\uacc4\ubcc4\ub85c \uc124\uba85\ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
Flask \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc0dd\uc131\ud558\ub824\uba74 \uba3c\uc800 Flask \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. \uc124\uce58\uac00 \ub05d\ub098\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uac04\ub2e8\ud55c \uc6f9 \uc11c\ubc84\ub97c \uad6c\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
<\/code><\/code># app.py
\nfrom flask import Flask<\/p>\n<\/code><\/code>app = Flask(__name__)<\/p>\n<\/code><\/code>@app.route(“\/”)
\ndef home():
\nreturn “Hello, Flask!”<\/p>\n<\/code><\/code>if __name__ == “__main__”:
\napp.run(debug=True)<\/p>\n
\n<\/code><\/div>\n<\/div>\n\napp = Flask(__name__)<\/code>: Flask \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1d\uccb4\ub97c \ub9cc\ub4ed\ub2c8\ub2e4.<\/li>\n@app.route(\"\/\")<\/code>: \uacbd\ub85c \uc124\uc815\uc73c\ub85c, \"\/\"<\/code> URL\ub85c \uc811\uc18d \uc2dc home()<\/code> \ud568\uc218\uac00 \uc2e4\ud589\ub429\ub2c8\ub2e4.<\/li>\napp.run(debug=True)<\/code>: Flask \uc11c\ubc84\ub97c \uc2dc\uc791\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n2. \ub77c\uc6b0\ud305<\/h3>\n
Flask\uc5d0\uc11c URL\uc744 \uad00\ub9ac\ud558\ub824\uba74 \ub77c\uc6b0\ud305\uc744 \uc124\uc815\ud569\ub2c8\ub2e4. \ub2e4\uc591\ud55c \uacbd\ub85c\ub97c @app.route()<\/code> \ub370\ucf54\ub808\uc774\ud130\ub85c \uc124\uc815\ud560 \uc218 \uc788\uc73c\uba70, \ub3d9\uc801 URL\ub3c4 \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n<\/code><\/code>@app.route(“\/hello”)
\ndef hello():
\nreturn “Hello, World!”<\/p>\n<\/code><\/code>@app.route(“\/user\/<username>”)
\ndef user_profile(username):
\nreturn f”User: {username}”<\/p>\n
\n<\/code><\/div>\n<\/div>\n\n\/hello<\/code> \uacbd\ub85c\uc5d0 \uc811\uc18d \uc2dc “Hello, World!”\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n\/user\/<username><\/code> \uacbd\ub85c\ub294 username<\/code>\uc744 \ub9e4\uac1c\ubcc0\uc218\ub85c \ubc1b\uc544 \ub3d9\uc801\uc73c\ub85c \uc0ac\uc6a9\uc790 \ud398\uc774\uc9c0\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n3. \ud15c\ud50c\ub9bf \uc0ac\uc6a9<\/h3>\n
HTML\uc744 \uc9c1\uc811 \ubc18\ud658\ud558\ub294 \ub300\uc2e0 Jinja2<\/strong> \ud15c\ud50c\ub9bf\uc744 \uc0ac\uc6a9\ud558\uc5ec HTML \ud30c\uc77c\uc744 \ub80c\ub354\ub9c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud15c\ud50c\ub9bf \ud30c\uc77c\uc740 \ud504\ub85c\uc81d\ud2b8\uc758 templates<\/code> \ud3f4\ub354\uc5d0 \uc704\uce58\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\ud504\ub85c\uc81d\ud2b8 \uad6c\uc870<\/strong><\/p>\n\nmy_flask_app\/
\n\u251c\u2500\u2500 app.py
\n\u2514\u2500\u2500 templates\/
\n\u2514\u2500\u2500 index.html<\/div>\n<\/div>\n<\/div>\n\ud15c\ud50c\ub9bf \ud30c\uc77c (templates\/index.html)<\/strong><\/p>\n\n<!DOCTYPE html>
\n<html lang=\"en\">
\n<head>
\n<meta charset=\"UTF-8\">
\n<title>Flask App<\/title>
\n<\/head>
\n<body>
\n<h1>Welcome, {{ name }}!<\/h1>
\n<\/body>
\n<\/html>
\n<\/code><\/div>\n<\/div>\n<\/div>\nFlask\uc5d0\uc11c \ud15c\ud50c\ub9bf \ub80c\ub354\ub9c1<\/strong><\/p>\n\n\nfrom flask import render_template<\/p>\n
@app.route(“\/welcome\/<name>”)
\ndef welcome(name):
\nreturn render_template(“index.html”, name=name)<\/p>\n<\/div>\n<\/div>\n
\nrender_template()<\/code> \ud568\uc218\ub294 templates\/<\/code> \ud3f4\ub354\uc5d0\uc11c \uc9c0\uc815\ud55c \ud15c\ud50c\ub9bf \ud30c\uc77c\uc744 \ub80c\ub354\ub9c1\ud569\ub2c8\ub2e4.<\/li>\n- \ud15c\ud50c\ub9bf \ud30c\uc77c\uc5d0\uc11c
{{ name }}<\/code>\uc744 \uc0ac\uc6a9\ud574 Python \ub370\uc774\ud130\ub97c HTML\ub85c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n4. HTTP \uba54\uc11c\ub4dc \ucc98\ub9ac<\/h3>\n
Flask\uc5d0\uc11c\ub294 GET, POST\uc640 \uac19\uc740 HTTP \uba54\uc11c\ub4dc\uc5d0 \ub530\ub77c \ub2e4\ub978 \ucc98\ub9ac\ub97c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. POST \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc81c\ucd9c\ud558\uac70\ub098 \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub294 \uae30\ub2a5\uc744 \ub9cc\ub4e4\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
\n\nfrom flask import request<\/p>\n
@app.route(“\/submit”, methods=[“GET”, “POST”])
\ndef submit():
\nif request.method == “POST”:
\nusername = request.form[“username”]\nreturn f”Hello, {username}!”
\nreturn ”’
\n<form method=”post”>
\nUsername: <input type=”text” name=”username”>
\n<input type=”submit” value=”Submit”>
\n<\/form>
\n”’<\/p>\n<\/div>\n<\/div>\n
\nrequest<\/code> \uac1d\uccb4\ub97c \uc0ac\uc6a9\ud558\uc5ec GET \ub610\ub294 POST \uc694\uccad\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uac00\uc838\uc635\ub2c8\ub2e4.<\/li>\nrequest.form<\/code>\uc740 HTML \ud3fc \ub370\uc774\ud130\uc5d0 \uc811\uadfc\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n5. \ub9ac\ub2e4\uc774\ub809\ud2b8\uc640 URL \uc0dd\uc131<\/h3>\n
\uc0ac\uc6a9\uc790\ub97c \ub2e4\ub978 \ud398\uc774\uc9c0\ub85c \ub9ac\ub2e4\uc774\ub809\ud2b8\ud558\uac70\ub098, URL\uc744 \uc0dd\uc131\ud560 \ub54c redirect()<\/code>\uc640 url_for()<\/code> \ud568\uc218\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\nfrom flask import redirect, url_for<\/p>\n
@app.route(“\/”)
\ndef index():
\nreturn redirect(url_for(“hello”))<\/p>\n
@app.route(“\/hello”)
\ndef hello():
\nreturn “Hello, redirected!”<\/p>\n<\/div>\n<\/div>\n
\nurl_for(\"\ud568\uc218\uba85\")<\/code>\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud574\ub2f9 \ud568\uc218\ub85c \uc5f0\uacb0\ub41c URL\uc744 \uc0dd\uc131\ud558\uace0 redirect()<\/code>\ub85c \ud574\ub2f9 \uacbd\ub85c\ub85c \ub9ac\ub2e4\uc774\ub809\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n6. \ud50c\ub77c\uc2a4\ud06c\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\ub3d9<\/h3>\n
Flask\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\ub3d9 \uc2dc Flask-SQLAlchemy<\/strong>\ub97c \uc8fc\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. SQLAlchemy\ub294 Python\uc758 ORM \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \uc27d\uac8c \uc5f0\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\nbash<\/div>\n\n\n