from flask import Flask,render_template,request,redirect,url_for,sessionfrom flask_sqlalchemy import SQLAlchemyimport configapp = Flask(__name__)app.config.from_object("config")db=SQLAlchemy(app)class User(db.Model): __tablename__ = "user" id = db.Column(db.Integer,primary_key=True,autoincrement=True) username = db.Column(db.String(20),nullable=False) password = db.Column(db.String(20),nullable=False) nickname = db.Column(db.String(20))#db.create_all()@app.route('/')def vi(): return render_template("base.html")@app.route('/first')def first(): return render_template("first.html")@app.route("/login",methods=["GET","POST"])def login(): if request.method == "GET": return render_template("login.html") else: usern = request.form.get("usern") passw = request.form.get("userp") user = User.query.filter(User.username==usern).first() if user: if user.password == passw: session["user"] = usern # session.permanent = True return redirect(url_for("first")) else: return "密码错误，请重新输入！" else: return "用户名不存在！"@app.route("/regist",methods=["GET","POST"])def regist(): if request.method == "GET": return render_template("regist.html") else: usern1 = request.form.get("newn") passw1 = request.form.get("newp") user = User.query.filter(User.username==usern1).first() if user: return "用户名已存在！" else: user = User(username = usern1,password = passw1) db.session.add(user) db.session.commit() return redirect(url_for("login"))@app.context_processordef context(): usern=session.get("user") if usern: return{ 'username':usern} else: return {}@app.route('/clear')def clear(): session.clear() return redirect(url_for('first'))if __name__ == '__main__': app.run(debug=True) import osSQLALCHEMY_DATABASE_URI = 'mysql+pymysql://root:@127.0.0.1:3306/mis_db?charset=utf8'SQLALCHEMY_TRACK_MODIFICATIONS = FalseSECRET_KEY = os.urandom(24)
{% block title %}{% endblock %}宋茜后援团 {% block head %}{% endblock %} {% block main %}{% endblock %}
