編碼轉換及拼接

#coding: utf-8
import urllib.parse

url = "https://www.baidu.com/s?ie=UTF-8&wd=美女"

print(urllib.parse.quote(url))  # https%3A//www.baidu.com/s%3Fie%3DUTF-8%26wd%3D%E7%BE%8E%E5%A5%B3

string = urllib.parse.quote(url)

url_1 = urllib.parse.unquote(string)
print(url_1)  # https://www.baidu.com/s?ie=UTF-8&wd=美女

#coding: utf-8
import urllib.parse

name = "劉斌"
passwd = "123456"
age = 123
url = "http://www.baidu.com/"
data = {
    "username": name,
    "password": passwd,
    "age": age,
}
'''
query_string = urllib.parse.urlencode(data)
print(query_string)  # username=%E5%88%98%E6%96%8C&password=123456&age=123
print(url + query_string)  # http://www.baidu.com/username=%E5%88%98%E6%96%8C&password=123456&age=123
'''
l = []
for k, v in data.items():
    l.append(k + "=" + urllib.parse.quote(str(v)))
query_string = "&".join(l)

print(url + query_string)  # http://www.baidu.com/username=%E5%88%98%E6%96%8C&password=123456&age=123

urllib.parse
	處理參數的
	quote()   https://www.baidu.com/s?ie=UTF-8&wd=%E4%B8%91%E5%A5%B3
		url裏面不能出現中文。
	unquote()   url解碼函數
	urlencode()  傳遞一個字典，將字典轉化爲鍵=值&鍵=值的格式，並且將裏面的非法字符進行編碼