书接上回:
2.实际应用中,我们需要输出变量日志,以便于好调试。python可以这样:
root@Widora:/# python DebugNetRouter.py
Hello NetRouter In Python
('NetRouter_debug:', 2)
NetRouter_debug: 4
代码如下:
print("Hello NetRouter In Python")
i=2
print("NetRouter_debug:",i)
i=4
print "NetRouter_debug:",i
3.那我要传参数进去怎么玩
root@Widora:/# python NetRouterInput.py NetRouter
NetRouter Input: NetRouter
root@Widora:/# cat NetRouterInput.py
import sys
value=sys.argv[1]
print "NetRouter Input:",value
4.那我要整个函数,好,满足你
root@Widora:/# python NetRouterFun.py
Hello NetRouter In Python
代码:
def NetRouter():
print "Hello NetRouter In Python"
NetRouter()
我想有一个类:
root@ubuntu:/home/sdb/NetRouterPython# cat NetRouterClass.py
class NetRouter:
name=""
value=""
def __init__(self,n,a):
self.name=n
self.value=a
def What(self):
print "name is",self.name,"value is ",self.value
if __name__ == '__main__':
N=NetRouter("NetRouter","Good")
N.What()
5.name 神奇用法:
PS:后面发现开源库,如果没有这样单元测试,直接放弃
如果单独运行这里python,那么__name__的值为__main__,那么将运行main()这个函数,如此,我们可以在类文件里面写个测试函数。
if name == “main”:
main()
我想引用这个类来互相伤害:我要搞多几个文件来互相引用以及我要引用自己的包
root@ubuntu:/home/sdb/NetRouterPython# cat NetRouterImport.py
import NetRouterClass
from NetRouterClass import NetRouter as N
if __name__ == '__main__':
n=N("Net","go")
n.What()
nn=NetRouterClass.NetRouter("Router","od")
nn.What()
就这么神奇~~