python 多线程另外一种写法

import threading
from time import sleep,ctime
import cx_Oracle
import time
loops=[9,5]
def exp1():
     conn = cx_Oracle.connect('test/test@192.168.137.2/serv')
     cursor = conn.cursor()
     owner = "system"
     #writer = csv.writer(f, lineterminator="
", quoting=csv.QUOTE_NONNUMERIC)
     tname = threading.current_thread()
     print tname
     exportOracleSql = "select 'exp01' from dual"
     print exportOracleSql
     x = cursor.execute(exportOracleSql)
     time.sleep(10)
     cursor.close()
     conn.close()


def exp2():
    conn = cx_Oracle.connect('test/test@192.168.137.2/serv')
    cursor = conn.cursor()
    owner = "system"
    # writer = csv.writer(f, lineterminator="
", quoting=csv.QUOTE_NONNUMERIC)
    tname = threading.current_thread()
    print tname
    exportOracleSql = "select 'exp02' from dual"
    print exportOracleSql
    x = cursor.execute(exportOracleSql)
    time.sleep(10)
    cursor.close()
    conn.close()
def exp3():
    conn = cx_Oracle.connect('test/test@192.168.137.2/serv')
    cursor = conn.cursor()
    owner = "system"
    # writer = csv.writer(f, lineterminator="
", quoting=csv.QUOTE_NONNUMERIC)
    tname = threading.current_thread()
    print tname
    exportOracleSql = "select 'exp03' from dual"
    print exportOracleSql
    x = cursor.execute(exportOracleSql)
    time.sleep(10)
    cursor.close()
    conn.close()
def exp4():
    conn = cx_Oracle.connect('test/test@192.168.137.2/serv')
    cursor = conn.cursor()
    owner = "system"
    # writer = csv.writer(f, lineterminator="
", quoting=csv.QUOTE_NONNUMERIC)
    tname = threading.current_thread()
    print tname
    exportOracleSql = "select 'exp04' from dual"
    print exportOracleSql
    x = cursor.execute(exportOracleSql)
    time.sleep(10)
    cursor.close()
    conn.close()
def exp5():
    conn = cx_Oracle.connect('test/test@192.168.137.2/serv')
    cursor = conn.cursor()
    owner = "system"
    # writer = csv.writer(f, lineterminator="
", quoting=csv.QUOTE_NONNUMERIC)
    tname = threading.current_thread()
    print tname
    exportOracleSql = "select 'exp05' from dual"
    print exportOracleSql
    x = cursor.execute(exportOracleSql)
    time.sleep(10)
    cursor.close()
    conn.close()
def exp6():
    conn = cx_Oracle.connect('test/test@192.168.137.2/serv')
    cursor = conn.cursor()
    owner = "system"
    # writer = csv.writer(f, lineterminator="
", quoting=csv.QUOTE_NONNUMERIC)
    tname = threading.current_thread()
    print tname
    exportOracleSql = "select 'exp06' from dual"
    print exportOracleSql
    x = cursor.execute(exportOracleSql)
    time.sleep(10)
    cursor.close()
    conn.close()
def main():
    print 'starting at:',ctime()
    threads=[]
    nloops=[exp1,exp2,exp3,exp4,exp5,exp6]
    abs=range(len(nloops))
    j=0
    for i in nloops:
        a = "%s%s" % ('exp_thread', i)
        t=threading.Thread(target=i,name=a)
        threads.append(t)
        j = j + 1
    print threads
    for i in abs:
        print threading.current_thread()
        threads[i].start()

    for i in abs:
        threads[i].join()
        print threading.current_thread()
    print 'all Done at:',ctime()
if __name__=='__main__':
    main()


C:Python27python.exe C:/Users/TLCB/PycharmProjects/untitled/mycompany/thread/p12.py
starting at: Thu Sep 14 08:28:18 2017
[<Thread(exp_thread<function exp1 at 0x025ACE30>, initial)>, <Thread(exp_thread<function exp2 at 0x0262B5F0>, initial)>, <Thread(exp_thread<function exp3 at 0x0262B630>, initial)>, <Thread(exp_thread<function exp4 at 0x0262B670>, initial)>, <Thread(exp_thread<function exp5 at 0x0262B6B0>, initial)>, <Thread(exp_thread<function exp6 at 0x0262B6F0>, initial)>]
<_MainThread(MainThread, started 9852)>
<_MainThread(MainThread, started 9852)>
<_MainThread(MainThread, started 9852)>
<_MainThread(MainThread, started 9852)>
<_MainThread(MainThread, started 9852)>
<_MainThread(MainThread, started 9852)>
<Thread(exp_thread<function exp1 at 0x025ACE30>, started 9340)>
select 'exp01' from dual
<Thread(exp_thread<function exp2 at 0x0262B5F0>, started 8780)>
select 'exp02' from dual
<Thread(exp_thread<function exp6 at 0x0262B6F0>, started 8940)>
select 'exp06' from dual
<Thread(exp_thread<function exp4 at 0x0262B670>, started 9488)>
select 'exp04' from dual
<Thread(exp_thread<function exp3 at 0x0262B630>, started 8420)>
select 'exp03' from dual
<Thread(exp_thread<function exp5 at 0x0262B6B0>, started 4684)>
select 'exp05' from dual
<_MainThread(MainThread, started 9852)>
<_MainThread(MainThread, started 9852)>
<_MainThread(MainThread, started 9852)>
<_MainThread(MainThread, started 9852)>
<_MainThread(MainThread, started 9852)>
<_MainThread(MainThread, started 9852)>
all Done at: Thu Sep 14 08:28:28 2017

Process finished with exit code 0