多重继承

Author: kangxiaoyu

2017-04-27/oop/MyClass.py

@@ -0,0 +1,14 @@
+#!/bin/env python
+# -*- coding:utf-8 -*-
+class MyClass():
+	x=100
+	def func(self,name):
+		return "Hi %s!" % name
+	def func2(self):
+		return self.x
+if __name__=='__main__':
+	mc = MyClass()
+	print mc.x
+	print mc.func('xiaoqiang')
+	print mc.func2()
+

2017-04-27/oop/oop.txt

@@ -0,0 +1,19 @@
+__init__(self,...) 初始化对象，在创建新对象时调用。
+__del__(self) 释放对象， 在对象被删除之前调用。
+
+__new__(cls,*args,**kwd)
+               实例的生成操作，在__init__(self)之前调用
+__str__(self) 在使用print 语句时被调用，返回一个字符串。
+__getitem__(self,key) 获取序列的索引key对应的值，等价于seq[key]
+__len__(self)  在调用内建函数len()时被调用。
+__cmp__(str,dst) 比较两个对象src和dst
+__getattr__(s,name)  获取属性的值
+__setattr__(s,name,value)  设置属性的值
+__delattr__(s,name) 删除属性
+__gt__(self,other) 判断self对象是否大于other对象。
+__lt__(self,other)判断self对象是否小于other对象
+__ge__(self, other) 判断 self 对象是否大于或等于 other 对象 
+__le__(self, other) 判断 self 对象是否小于或等于 other 对象 
+__eq__(self, other) 判断 self 对象是否等于 other 对象
+__call__(self, *args) 把实例对象作为函数调用 
+

2017-04-27/oop/url2.py

@@ -0,0 +1,10 @@
+#! /bin/env python3
+# -*- coding:utf-8 -*-
+from urllib import request
+#这是python3的模块 如果有错误，请使用python3运行
+with request.urlopen('https://api.douban.com/v2/book/2129650') as f:
+    data = f.read()
+    print('Status:', f.status, f.reason)
+    for k, v in f.getheaders():
+        print('%s: %s' % (k, v))
+    print('Data:', data.decode('utf-8'))

kh_api/post_http/post.py

@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+#coding=utf8
+ 
+import httplib, urllib
+ 
+httpClient = None
+try:
+	params = urllib.urlencode({'name': 'Maximus', 'addr': "GZ"})
+	headers = {"Content-type": "application/x-www-form-urlencoded"
+					, "Accept": "text/plain"}
+ 
+	httpClient = httplib.HTTPConnection("", 80, timeout=30)
+	httpClient.request("POST", "/test0.html", params, headers)
+ 
+	response = httpClient.getresponse()
+	print response.status
+	print response.reason
+	print response.read()
+	print response.getheaders() #获取头信息
+except Exception, e:
+	print e
+finally:
+	if httpClient:
+		httpClient.close()

kh_api/post_http/pythondb.py

@@ -0,0 +1,22 @@
+#!/bin/env python
+# -*- coding:utf-8 -*-
+from sqlalchemy import Column, String, create_engine
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy.ext.declarative import declarative_base
+
+# 创建对象的基类:
+Base = declarative_base()
+
+# 定义User对象:
+class User(Base):
+    # 表的名字:
+    __tablename__ = 'user'
+
+    # 表的结构:
+    id = Column(String(20), primary_key=True)
+    name = Column(String(20))
+
+# 初始化数据库连接:
+engine = create_engine('mysql+mysqlconnector://root:root@localhost:3306/test')
+# 创建DBSession类型:
+DBSession = sessionmaker(bind=engine)

kh_api/selectCourse.py

@@ -0,0 +1,10 @@
+#! /bin/env python3
+# -*- coding:utf-8 -*-
+from urllib import request
+#这是python3的模块 如果有错误，请使用python3运行
+with request.urlopen('http://kehai.com/site/ptcourse/ignore/ignore/ignore/ignore/ignore/ignore/100/1/ignore/Topic/ignore/selectCourse.do') as f:
+    data = f.read()
+    print('Status:', f.status, f.reason)
+    for k, v in f.getheaders():
+        print('%s: %s' % (k, v))
+    print('Data:', data.decode('utf-8'))