爬取百度的页面

# 不带参数，get请求
import urllib.request
def load_data():
    url = "http://www.baidu.com/"
    #get的请求
    #http请求
    #response:http相应的对象
    response = urllib.request.urlopen(url)
    print(response)
    #读取内容 bytes类型
    data = response.read()
    print(data)
    #将文件获取的内容转换成字符串
    str_data = data.decode("utf-8")
    print(str_data)
    #将数据写入文件
    with open("baidu.html","w",encoding="utf-8")as f:
        f.write(data)
    #将字符串类型转换成bytes
    str_name = "baidu"
    bytes_name =str_name.encode("utf-8")
    print(bytes_name)
    #python爬取的类型:str bytes
    #如果爬取回来的是bytes类型:但是你写入的时候需要字符串 decode("utf-8")
    #如果爬取过来的是str类型:但你要写入的是bytes类型 encode(""utf-8")
load_data()
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#带参数                                         
import urllib.request
import urllib.parse
import string
def get_method_params():
    url = "http://www.baidu.com/s?wd="
    #拼接字符串(汉字)
    #python可以接受的数据
    #https://www.baidu.com/s?wd=%E7%BE%8E%E5%A5%B3
    name = "美女"
    final_url = url+name
    print(final_url)
    #代码发送了请求
    #网址里面包含了汉字;ascii是没有汉字的;url转译
    #将包含汉字的网址进行转译
    encode_new_url = urllib.parse.quote(final_url,safe=string.printable)
    print(encode_new_url)
    # 使用代码发送网络请求
    response = urllib.request.urlopen(encode_new_url)
    print(response)
    #读取内容
    data = response.read().decode()
    print(data)
    #保存到本地
    with open("02-encode.html","w",encoding="utf-8")as f:
        f.write(data)
    #UnicodeEncodeError: 'ascii' codec can't encode
    # characters in position 10-11: ordinal not in range(128)
    #python:是解释性语言;解析器只支持 ascii 0 - 127
    #不支持中文
get_method_params()