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 ETtree = ET.parse('1.xml')root = tree.getroot()print(type(root)) # root# 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 ETtree = 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 ETtree = 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 ETtree = 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1from xml.etree import ElementTree as ETroot = 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2from xml.etree import ElementTree as ETroot = 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3from 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 ETroot = 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 configparsercon = configparser.ConfigParser()con.read('in',encoding='utf-8')result = con.sections()print(result)ret = con.options('section1') print(ret)