Django数据库操作的注意事项《特别篇》！

import pymysql

from allinone.settings import BASE_DIR


class Mysqls(object):
    def __init__(self):
        # 读取配置文件
        self.connect()

    def connect(self):
        try:
            self.connection = pymysql.connect(host="192.168.0.105", user="root", password="123456",
                                              database="allinones")
            self.cursor = self.connection.cursor()
        except Exception as e:
            print(e)
            # kill()

    # 获取所以数据
    def get_all(self, sql):
        try:
            self.cursor.execute(sql)
            return self.cursor.fetchall()
        except:
            self.connection()
            self.cursor.execute(sql)
            return self.cursor.fetchall()

　　def get_close(self):
       self.cursor.close()