1.get请求
（1）没有请求参数类型
response = requests.get(url='')
print(response.text)
（2）有请求参数的类型（键值对形式表示参数）
response = requests.get(url='',params={'key1':'value1','key2':'value2'})
print(response.text)
（3）有请求头（键值对形式表示请求头）
response = requests.get(url='',headers={'key1':'value1'})
print(response.text)
2.post请求
（1）请求正文是application/x-www-form-urlencoded
requests.post(url='',data={'key1':'value1','key2':'value2'},headers={'Content-Type':'application/x-www-form-urlencoded'})
（2）请求正文是multipart/form-data
requests.post(url='',data={'key1':'value1','key2':'value2'},headers={'Content-Type':'multipart/form-data'})
（3）请求正文是raw
传入xml格式文本
requests.post(url='',data='<?xml ?>',headers={'Content-Type':'text/xml'})
传入json格式文本
requests.post(url='',data=json.dumps({'key1':'value1','key2':'value2'}),headers={'Content-Type':'application/json'})
或者
requests.post(url='',json={{'key1':'value1','key2':'value2'}},headers={'Content-Type':'application/json'})
（4）请求正文是binary
requests.post(url='',files={'file':open('test.xls','rb')},headers={'Content-Type':'binary'})