2
尝试为我的应用程序创建一个注册页面。我使用的Flask框架和MySQL db从pythonanywhere.com。烧瓶,并非在字符串格式化过程中转换的所有参数
@app.route('/register/', methods=["GET","POST"])
def register_page():
try:
form = RegistrationForm(request.form)
if request.method == "POST" and form.validate():
email = form.email.data
password = sha256_crypt.encrypt((str(form.password.data)))
c, conn = connection()
x = c.execute("SELECT * FROM users WHERE email = (%s)",
(email))
if int(x) > 0:
flash("That email adress is already in use.")
return render_template('register.html', form=form)
else:
c.execute("INSERT INTO users (email, password) VALUES (%s, %s)",
(thwart(email),thwart(password)))
conn.commit()
flash("Thanks for registering!")
c.close()
conn.close()
gc.collect()
session['logged_in'] = True
session['email'] = email
return redirect(url_for('dashboard'))
return render_template("sign-up.html", form=form)
except Exception as e:
return(str(e))}
运行时出现错误:并非所有在字符串格式化过程中转换的参数。 如何解决它?可能是这个声明中的问题?
c.execute("INSERT INTO users (email, password) VALUES (%s, %s)", (thwart(email),thwart(password)))
我正在使用MySQL – Vasile
您是否100%确定错误在该行发生?我认为这个问题更可能出现在上面的x = c.execute()行,你应该把'(email)'' - 注意尾部的逗号 - 作为最后一个参数,而不是'(email)'没有尾随逗号。 –
我将'(email)'改为'(email,)'并得到了相同的结果 – Vasile