python学习 import

import sys
加载一些自己定的model
sys.path.append("filepath")  文件名或者文件夹名
import 只能导入模块 如果想用导入的模块的属性的话
from file_model import *

python 连接mysql
import MySQLdb
class mysql_class:
    def __init__(self,dbhost,dbuser,dbpass,dbname):
        print "now run"
        dbsource = MySQLdb.connect(user=dbuser,db=dbname)
        self.db = dbsource.cursor()
    def con_mysql(self):
        sql = "select * from test"
        source = (self.db).execute(sql)
        data = (self.db).fetchall()
        for res in data:
            print "%s %s" % res