實現python封裝

# encoding=utf8
import MySQLdb

#定義類
class MysqlHelper():
    def __init__(self,host,port,db,user,passwd,charset='utf8'):
       self.host=host
       self.port=port
       self.db=db
       self.user=user
       self.passwd=passwd
       self.charset=charset
     #初始化設定連線

    def connect(self):
        self.conn
 
=MySQLdb.connect(host=self.host,port=self.port,db=self.db,user=self.user,passwd=self.passwd,charset=self.charset)
        self.cursor=self.conn.cursor()
    #進行連線

    def close(self):
        self.cursor.close()
        self.conn.close()
     #關閉連線


    def get_one(self,sql,param=()):
        result
 
=None
        try:
            self.connect()
            self.cursor.execute(sql,param)
            result=self.cursor.fetchone()
            self.close()
        except Exception as e:
            print(e)
        return result
    #查詢一行

    def get_all(self,sql,param=()):
        list=()
        
 
try:
            self.connect()
            self.cursor.execute(sql,param)
            list=self.cursor.fetchall()
            self.close()
        except Exception as e:
             print(e)
        return list
    #查詢全部資料


    def insert(self,sql,param=()):
        return self.__edit(sql,param)
    #返回插入資料

    def update(self,sql,param):
        return self.__edit(sql,param)
    #返回更改後資料

    def delete(self,sql,param):
        return self.__edit(sql,param)
    #返回刪除資料

    def __edit(self,sql,param):
        count=0
        try:
            self.connect()
            count=self.cursor.execute(sql,param)
            self.conn.commit()
            self.close()
        except Exception as e:
            print(e)
        return count

實現新增操作：

#encoding=utf8
from fengzhaung import *

sql="insert into stu(stu_name,stu_hometown,gender) values(%s,%s,%s)"
stu_name=input("輸入姓名")
stu_hometown=input("請輸入家鄉：")
gender=input("輸入性別，1男，0女：")
param=[stu_name,stu_hometown,bool(gender)]
mysqlh=MysqlHelper('192.168.65.146',3306,'student','root','toor')
count=mysqlh.insert(sql,param)
if count==1:
    print ('ok')
else:
    print('error')

實現查詢：

#encoding=utf8
from fengzhaung import *
#id=input("輸入編號")
sql="select * from stu where stu_id=1"
helper=MysqlHelper('192.168.65.146',3306,'student','root','toor')
s=helper.get_one(sql)
print(s)

最後還有一點小問題，怎麼自主輸入進行查詢？？試了幾種辦法，發現不行。