发起http请求 获取返回值 返回值是字符串
第三方模块安装 pip install requests
返回值格式 xml html jaon
json
功能 loads 字符串》》》列表 字典 字符串里面必须是“”，因为其他的编程语言字符串都是“”
dups 列表》》》字符串
xml
from xml.etree import ElementTree as ET
tree = ET.parse(‘1.xml‘)
root = tree.getroot()
print(type(root))
# <class ‘xml.etree.ElementTree.Element‘>
# dir(Element):
# append‘, ‘attrib‘, ‘clear‘, ‘extend‘, ‘find‘, ‘findall‘, ‘findtext‘, ‘get‘, ‘getchildren‘, ‘getiterator‘, ‘insert‘, ‘items‘, ‘iter‘, ‘iterfind‘, ‘itertext‘, ‘keys‘, ‘makeelement‘, ‘remove‘, ‘set‘, ‘tag‘, ‘tail‘, ‘text‘
<class ‘xml.etree.ElementTree.Element‘>
dir(Element):
append‘, ‘attrib‘, ‘clear‘, ‘extend‘, ‘find‘, ‘findall‘, ‘findtext‘, ‘get‘, ‘getchildren‘, ‘getiterator‘, ‘insert‘, ‘items‘, ‘iter‘, ‘iterfind‘, ‘itertext‘, ‘keys‘, ‘makeelement‘, ‘remove‘, ‘set‘, ‘tag‘, ‘tail‘, ‘text‘
from xml.etree import ElementTree as ET
tree = ET.parse(‘1.xml‘)
#ET.parse（添加文件路径） ET.Element(文件节点，Element对象)
root = tree.getroot() son = root.makeelement("dat",{"k1":"k2"}) root.append(son) s = son.makeelement("tt",{"ks":"vs"}) son.append(s) tree.write("1.xml")
#添加子节点 孙子节点
添加子节点 孙子节点
from xml.etree import ElementTree as ET
tree = ET.parse(‘1.xml‘)
root = tree.getroot()
son = ET.Element("dat",{"k1":"k2"})
root.append(son)
tree.write("1.xml")
#直接根据类Element创建节点
直接根据类Element创建节点
from xml.etree import ElementTree as ET
tree = ET.parse(‘1.xml‘)
print(tree,type(tree))
from xml.etree.ElementTree import ElementTree #用pychrm查找类ElementTree
#1 方法paese就是 调用ElementTree类 创建对象
#2 方法getroot 获取xml跟节点
#3 方法write 将创建的在内存的子节点 写入文件
#创建XML文档1
from xml.etree import ElementTree as ET
root = ET.Element("famliy")
son1 = ET.Element(‘son‘,{‘name‘:"er1"})
son2 = ET.Element(‘son‘,{‘name‘:"er2"})
root.append(son1)
root.append(son2)
sun1 = ET.Element(‘sun‘,{‘name‘:"s1"})
sun2 = ET.Element(‘sun‘,{‘name‘:"s2"})
son1.append(sun1)
son2.append(sun2)
tree = ET.ElementTree(root)
tree.write(‘1.xml‘)
# 创建XML文档2
from xml.etree import ElementTree as ET
root = ET.Element(‘famliy‘)
son1 = ET.SubElement(root,‘sun‘,attrib={‘name‘:"s1"})
son2 = ET.SubElement(root,‘sun‘,attrib={‘name‘:"s2"})
root.append(son1)
root.append(son2)
tree = ET.ElementTree(root)
tree.write(‘2.xml‘,encoding=‘utf-8‘)
# 创建XML文档3
from xml.etree import ElementTree as ET
# 创建根节点
root = ET.Element("famliy")
# 创建大儿子
# son1 = ET.Element(‘son‘, {‘name‘: ‘儿1‘})
son1 = root.makeelement(‘son‘, {‘name‘: ‘儿1‘})
# 创建小儿子
# son2 = ET.Element(‘son‘, {"name": ‘儿2‘})
son2 = root.makeelement(‘son‘, {"name": ‘儿2‘})
# 在大儿子中创建两个孙子
# grandson1 = ET.Element(‘grandson‘, {‘name‘: ‘儿11‘})
grandson1 = son1.makeelement(‘grandson‘, {‘name‘: ‘儿11‘})
# grandson2 = ET.Element(‘grandson‘, {‘name‘: ‘儿12‘})
grandson2 = son1.makeelement(‘grandson‘, {‘name‘: ‘儿12‘})
son1.append(grandson1)
son1.append(grandson2)
# 把儿子添加到根节点中
root.append(son1)
root.append(son1)
tree = ET.ElementTree(root)
tree.write(‘oooo.xml‘,encoding=‘utf-8‘, short_empty_elements=False)
创建方式（二）
#带缩进的创建xml
from xml.etree import ElementTree as ET
root = ET.Element(‘famliy‘)
son1 = ET.SubElement(root,‘sun‘,attrib={‘name‘:"s1"})
son2 = ET.SubElement(root,‘sun‘,attrib={‘name‘:"s2"})
root.append(son1)
root.append(son2)
def MyWrite(root,name):
from xml.dom import minidom
rough_string = ET.tostring(root, ‘utf-8‘)
reparsed = minidom.parseString(rough_string)
new_str = reparsed.toprettyxml(indent="\t")
f = open(name, ‘w‘, encoding=‘utf-8‘)
f.write(new_str)
f.close()
MyWrite(root,"5.xml")
configparser用于处理特定格式的文件
特定格式
# 注释1
; 注释2
[section1] # 节点
k1 = v1 # 值
k2:v2 # 值
[section2] # 节点
k1 = v1 # 值
import configparser
con = configparser.ConfigParser()
con.read(‘in‘,encoding=‘utf-8‘)
result = con.sections()
print(result)
ret = con.options(‘section1‘)
print(ret)
模块urllib requests json xml configparser 学习笔记
原文：http://www.cnblogs.com/koushuige/p/7868572.html