python TypeError: unsupported operand type(s) for +: 'int' and 'str' [closed]

TypeError: unsupported operand type(s) for +: 'int' and 'str' [closed]

 

sql="insert into auto_transfer_data(atd_type,atd_mogodb_count,atd_mysql_before_count,atd_create_date)values('"+at_type+"','"+str(mongodbcount)+"','"+str(mysql_before_count)+"','"+currentDate+"')"

解决办法 类型转换

int转成string，函数str(number)
string转成int，函数int(string)