python 字符串 字节
字符串 字节
a. 字符串转字节
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key = "xxxx" bkey = bytes(key,encoding = 'utf-8' ) |
b. bytearray 数组
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data = "要加密" ba_data = bytearray(data,encoding = "utf-8" ) print (ba_data) # bytearray(b'\xe8\xa6\x81\xe5\x8a\xa0\xe5\xaf\x86') print ( len (ba_data)) # 9 ba_data.append( 11 ) #只能追加数字,默认转成字节 |