import urllib.request

import json,requests

#urlib模块，不常用

url = 'http://api.nnzhp.cn/api/user/stu_info?stu_name=小黑马'

res=urllib.request.urlopen(url)

jieguo=res.read().decode()  #返回值都是Byte类型，需要转码

print(json.loads(jieguo))

#发送get请求

url = 'http://api.nnzhp.cn/api/user/stu_info?stu_name=小黑马'

req = requests.get(url) #发送get请求

print(req.text) #获取结果

print(req.json()) #获取结果直接就是字典，必须返回的是json串，才能用.json方法。

#发送post请求

url = 'http://api.nnzhp.cn/api/user/login'

data =  {'username':'niuhanyang','passwd':'aA123456'}

req = requests.post(url,data) #发送post请求，第一个参数是url，第二个参数是请求的数据

print(req.json())

#入参是json的

url = 'http://api.nnzhp.cn/api/user/add_stu'

data =  {'name':'丁飞','grade':'巨蟹座','phone':31971891223}#传的是字典

req = requests.post(url,json=data) #发送post请求，第一个参数是url，第二个参数是请求的数据

print(req.json())

#添加cookie

url = 'http://api.nnzhp.cn/api/user/gold_add'

data =  {'stu_id':231,'gold':1000}

cookie = {'niuhanyang':'6d195100b95a43046d2e385835c6e2c2'}

req = requests.post(url,data,cookies=cookie)

print(req.json())

#添加header

url='http://api.nnzhp.cn/api/user/all_stu'

mpp = {'Referer':'http://api.nnzhp.cn/','User-Agent':'Chore'}

res = requests.get(url,headers=mpp)

print(res.json())

#上传文件

url = 'http://api.nnzhp.cn/api/file/file_upload'

f = open(r'C:\Users\bjniuhanyang\Desktop\ad.cpm.schedulingInfo.v1.json','rb')

r = requests.post(url,files={'file':f})

print(r.json())

#下载文件

url= 'http://www.besttest.cn/data/upload/201710/f_36b1c59ecf3b8ff5b0acaf2ea42bafe0.jpg'

r  = requests.get(url)

print(r.status_code)  #获取请求的状态码

print(r.content)  #获取返回结果二进制格式的

fw = open(r'bt.jpg','wb')

fw.write(r.content)

fw.close()

#保存网页

url = 'http://www.nnzhp.cn/archives/630'

r = requests.get(url)

f = open('nnzhp.html','wb')

f.write(r.content)

f.close()