本文中的加密，是指人不能直觀看出資訊的加密 即：肉眼不可見的加密

1. url編碼

from urllib.parse import quote, unquote

name = "王大錘"

# 編碼
utf8_name = quote(name)  # utf-8
print(utf8_name)
# %E7%8E%8B%E5%A4%A7%E9%94%A4   長度是 9

gbk_name = quote(name, encoding="gbk")
print(gbk_name)
# %CD%F5%B4%F3%B4%B8    長度是 6

# 解碼
print(unquote(utf8_name)
 
)
print(unquote(gbk_name, encoding="gbk"))
# 王大錘

2. Base64編碼

# base64編碼是將二進位制位元組流編碼為可列印的64個字元
# 以6位分割 bit位都是0，base64約定以‘=’代替
# z -> b'eg=='

import base64

name = "王大錘"

# 編碼： 字串 -> 二進位制 -> base64編碼
b64_name = base64.b64encode(name.encode())
print(b64_name)
# b'546L5aSn6ZSk'

# 解碼：base64編碼 -> 二進位制 -> 字串
 

print(base64.b64decode(b64_name).decode())
# 王大錘

3. 字串轉換ascii

name = "王大錘"

# 編碼
ascii_name = list(map(ord, name))
print(ascii_name)
# [29579, 22823, 38180]

# 解碼
print("".join(map(chr, ascii_name)))
# 王大錘

4. md5不可逆

解密推薦去cmd5

import hashlib

name = "王大錘"

# 編碼
print(hashlib.md5(name.encode()).hexdigest(
 
))
# 59c22c7bb43b8561cfd3b52f507171cb

5. Unicode轉中文

name = "王大錘"

# 編碼
unicode_name = name.encode("unicode_escape")
utf8_name = name.encode("utf-8")
gbk_name = name.encode("gbk")
gbk2312_name = name.encode("gb2312")

print(unicode_name)
# b'\\u738b\\u5927\\u9524'

print(utf8_name)
# b'\xe7\x8e\x8b\xe5\xa4\xa7\xe9\x94\xa4'

print(gbk_name)
# b'\xcd\xf5\xb4\xf3\xb4\xb8'

print(gbk2312_name)
# b'\xcd\xf5\xb4\xf3\xb4\xb8'

# 解碼

print(unicode_name.decode())
# \u738b\u5927\u9524

print(unicode_name.decode("unicode_escape"))
# 王大錘

print(utf8_name.decode())  # 預設utf-8
# 王大錘

print(gbk_name.decode("gbk"))
# 王大錘