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ITAC | Flask - Basic Flask
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racterub
May 19, 2020
Technology
1
100
ITAC | Flask - Basic Flask
ITAC | Flask - Basic Flask
racterub
May 19, 2020
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Transcript
Flask Racterub@ITAC 1
Whoami? • 電通英專⼤⼀ • 好像沒什麼好講的了 2
簡報在這 https://reurl.cc/z8Kqqy 3
Flask • Flask是⼀個使⽤Python編寫的輕量級Web應⽤框架。 • Flask沒有預設使⽤的資料庫、表單驗證⼯具,但是可以⽤ Flask-extension加入這些功能:ORM、表單驗證⼯具、檔 案上傳、各種開放式⾝分驗證技術。 4
GitHub • https://git.io/Jfe1c • 範例 Code 在這邊ㄛ,之後⼤部分會以實作為主 • 如果你裝不起來的 •
http://racterub.me:8000 • 拜託不要把他玩壞 5
起⼿式 from flask import Flask app = Flask(__name__) @app.route("/") def
hello(): return "Hello World!" if __name__ == "__main__": app.run() 6
In-url param @app.route("/db/<dbname>/<int:dbid>") def db(dbname, dbid): return "dbname: %s, dbid:
%s" % (dbname, dbid+123) 7
GET param @app.route("/get/") def get(): name = request.args.get("name") passwd =
request.args.get("passwd") return "name: %s, password: %s" % (name, passwd) 8
POST param @app.route("/post/") def post(): name = request.form["name"] passwd =
request.form["passwd"] return "name: %s, password: %s" % (name, passwd) 9
Login @app.route("/login/", methods=["POST", "GET"]) def login(): if request.method == "POST":
try: if (request.form["username"] == "test" and request.form["password"] == "test"): session["user"] = request.form["username"] return "Success" else: return redirect(url_for("login")) except ValueError: return "Something broke", 400 else: return render_template("login.html") 10
Serve static file @app.route("/robots.txt") def robot(): return send_from_directory("static", "robots.txt") 11
make_response @app.route("/makeresponse/") def makeresp(): resp = make_response("test", 200) resp.headers['X-Author'] =
"ITAC" return resp 12
render_template @app.route("/jinja/<name>") def jinja(name): return render_template("index.html", title=name) 13
Q/A 14