Python--网络编程

# import urllib.request
# import json
import requests

# url = 'http://api.nnzhp.cn/api/user/stu_info?stu_name=ybq123'
# res = urllib.request.urlopen(url)  # 发送请求
# res_new = res.read().decode()  # 获取结果
# print(res_new)

# 发送get请求
# res = requests.get(url)  # 发送get请求
# print(res.text)  # 获取结果
# print(type(res.text))
# print(json.loads(res.text))
# print(res.json())  # 获取结果直接就是字典，必须返回的是json串的话，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())
# print(req.text)
#
# url1 = 'http://api.nnzhp.cn/api/user/user_reg'
# data = {
#     'username': 'wangsilei',
#     'pwd': 'wang123A',
#     'cpwd': 'wang123A'
# }
# res = requests.post(url1, data)
# print(res.text)

# 入参是json的
# url = 'http://api.nnzhp.cn/api/user/add_stu'
# data = {
#     'name': '王思磊',
#     'grade': '射手座',
#     'phone': 18033555656
# }
# req = requests.post(url, json=data)
# print(req.json())

# 添加cookie的
# 8b7d1b49fc8be17afe68bc67c82ea98b
# url = 'http://api.nnzhp.cn/api/user/gold_add'
# data = {
#     'stu_id': 231,
#     'gold': 10000
# }
# cookie = {'niuhanyang': '8b7d1b49fc8be17afe68bc67c82ea98b'}
# req = requests.post(url, data, cookies=cookie)
# print(req.json())

# 添加header的
url = 'http://api.nnzhp.cn/api/user/all_stu'
header = {'Referer': 'http://api.nnzhp.cn/'}
req = requests.get(url, headers=header)
print(req.json())

# 上传文件
# url = 'http://api.nnzhp.cn/api/file/file_upload'
# with open(r'C:UserswangsileiMusic凤凰传奇凤凰传奇 - 爱的狂怒.mp3', 'rb') as f:
#     r = requests.post(url, files={'file': f})
#     print(r.json())

# 下载文件
# url = 'http://img.lelezone.com/thumb/p/imgs/20/20390/20390_10.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
# with open('dog.jpg', 'wb') as f:
#     f.write(r.content)

# 保存网页
# url = 'http://www.nnzhp.cn/archives/630'
# res = requests.get(url)
# with open('nnzhp_630.html', 'wb') as f:
#     f.write(res.content)