问题描述
main.py
当我在路由之外使用cursor.execute ..时,它正在工作。
import MysqL.connector
from flask import Flask,render_template,request,session,redirect,url_for,make_response
MysqL = MysqL.connector.connect(
user='root',password='password',host='localhost',database='dbname',use_pure=True
)
cursor = MysqL.cursor(prepared=True)
@app.route("/bridge",methods=["POST"])
def bridge():
if request.get_json()["for"] == "signUp":
if request.get_json()["type"] == "existence":
cursor.execute("SELECT id FROM users WHERE eMail=%s",(request.get_json()["details"]["eMail"],))
print("----------------- {}".format(cursor.fetchone()))
print(request.get_json()["details"]["eMail"])
return make_response(json.dumps({"Res"}),200)
cursor.close()
MysqL.close()
cursor.execute(“来自用户的SELECT ID,其中eMail =%s”,(request.get_json()[“ details”] [“ eMail”],)) 执行中的文件“ C:\ Users \ woxro \ AppData \ Local \ Programs \ Python \ python38-32 \ Lib \ site-packages \ MysqL \ connector \ cursor.py”,行1186 字符集= self._connection.charset AttributeError:“ nonetype”对象没有属性“ charset”
解决方法
问题是创建连接并在调用网桥之前将其关闭。请参阅: MySQL.close()
这就是为什么它在bridge方法之外起作用的原因