import os,time

from sqlite3 import *
 
#from sqlalchemy  import *
 
conn = connect('c://1.db3')    #连接数据库
curs = conn.cursor()           #创建游标
 
#插入数据
#for  k in range(4085,5000):
#        curs.execute("insert into city values (%s,'kkk','pse','hubei',2000)"%k)
conn.commit()  #刷新
curs.execute("select * from city ")  #查询limit 100
a=time.time()
for row in curs:
        print (row[0],"===>",row[1])
        if row[0] == "":
                break
b=time.time()
print('用时(秒):',b-a)
 
curs.close()  #关闭游标
conn.close()    #关闭连接
 
#os.system("mstsc")
#while True:
# print("123456789")