您好，我正在按照在线教程构建 Flask Web 应用程序，当我尝试通过注册按钮将信息存储到我的数据库中时，不断遇到此错误。
from flask import Flask, render_template, json, request
from flask.ext.mysqldb import MySQL
from werkzeug import generate_password_hash, check_password_hash
app = Flask(__name__)
mysql = MySQL(app)
# MySQL configurations
app.config['MYSQL_DATABASE_USER'] = 'root'
app.config['MYSQL_DATABASE_PASSWORD'] = 'pass'
app.config['MYSQL_DATABASE_DB'] = 'table'
app.config['MYSQL_DATABASE_HOST'] = 'localhost'
mysql.init_app(app)
@app.route("/")
def main():
return render_template('index.html')
@app.route('/showSignUp')
def showSignUp():
return render_template('signup.html')
@app.route('/signUp', methods = ['POST','GET' ])
def signUp():
_phonenumber = request.form['phonenumber']
_name = request.form['name']
_password = request.form['password']
if _phonenumber and _name and _password:
conn = mysql.connect()
cursor = conn.cursor() …