爬虫网络请求1

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# import urllib
# import urllib2
# import urllib3
# import http
import requests

# 服务器向客户端返回的数据格式有哪些?
# JSON/XML

# 1. 使用requests发送get/post/put/delete等请求
# GET参数
# URL?参数1=内容1&参数2=内容2....
# 注意:参数部分不能出现空格或者特殊字符
response = requests.get("http://api.map.baidu.com/telematics/v3/weather?location=郑州市&output=json&ak=TueGDhCvwI6fOrQnLM0qmXxY9N0OkOiQ&callback=?")
# print(response.content)

response = requests.get("https://www.baidu.com/s?wd=python")
# print(response.content)

response = requests.get(
    "https://www.baidu.com/s",
    params={
        "wd": "python"
    }
)
# print(response.content)

# 参数1:url
# 参数2:data,相似于params
# 参数3:json
# 参数4:**kwargs
response = requests.post(
    "http://dig.chouti.com/login",
    data={
        "phone": "8615896901897",
        "password": "qweqweqwe1",
        "oneMonth": "1"
    },
    headers={
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:49.0) Gecko/20100101 Firefox/49.0",
    }
)
# f = open("chouti.html", "wb")
# f.write(response.content)
# f.close()
print(response.text)

# response = requests.put()
# response = requests.delete()

 

# 举例
#查询歌曲
#!/usr/bin/env python
# -*- coding:utf-8 -*-
import requests
import json
import os

while True:
    name = input("歌曲名称:")
    if not name.strip():
        break

    if not os.path.exists('name.txt'):
        with open('name.txt', 'w', encoding='utf-8') as f:
            f.write('')
    with open('name.txt', 'r', encoding='utf-8') as f:
        name_list = f.readlines()

    if name+"\n" in name_list:
        print('已经搜索过')
        continue
    else:
        with open('name.txt', 'a', encoding='utf-8') as f:
            f.write(name)
            f.write('\n')

    start_page = 0
    num = 25
    url = "http://search.kuwo.cn/r.s?ft=music&itemset=web_2013&client=kt&rformat=json&encoding=utf8"
    response = requests.get(
        url=url,
        params={
            "all": name,
            "pn": start_page,
            "rn": num
        }
    )
    # JSON的key和value不能用单引号括起来
    result = response.text.replace("'", '"').replace(' ', '')
    json_obj = json.loads(result)
    song_list = json_obj['abslist']
    for song in song_list:
        # print(song.get('SONGNAME', '没有歌曲名称'))
        # f = open("song.txt", 'a', encoding='utf-8')
        # f.write(song.get('SONGNAME', '没有歌曲名称'))
        # f.write('\n')
        # f.close()
        with open("song.txt", 'a', encoding='utf-8') as f:
            f.write(song.get('SONGNAME', '没有歌曲名称'))
            f.write('\n')