views.py 文件源码

def login():
    form=logi()
    if form.validate_on_submit():
        username=form.username.data
        password=form.password.data
        try:
            me=User.query.filter_by(user=username).first()
            if me.password==password:
                session['username']=username
                return redirect(url_for('index'))
            else:
                flash('??????????')
                return render_template('login.html',form=form)
        except:
            flash('??????')
            return render_template('login.html',form=form)
    return render_template('login.html',form=form)