python实现AES加密解密


Posted in Python onMarch 28, 2019

本文实例为大家分享了python实现AES加密解密的具体代码,供大家参考,具体内容如下

(1)对于AES加密解密相关知识

(2)实现的功能就是输入0-16个字符,然后经过AES的加密解密最后可以得到原先的输入,运行的结果如下

python实现AES加密解密

开始的字符串就是输入的明文,第一个矩阵,是明文对应的状态矩阵,下面的字典是得到的经过扩展后的密钥,再下面的矩阵是经过加密之后的矩阵,最后的矩阵就是解密之后的矩阵,最后的输出就是还原的明文,可以发现AES加密解密的过程没毛病。

(3)字节代换:输入输出都是十六进制的矩阵格式,define_byte_subdtitution()函数的功能是完成字节代换,首先使用hex_to_int_number()函数将十六进制数转换为对应的十进制数,然后到S盒与逆S盒中进行字节的代换,这个过程中比较麻烦的是S盒与逆S盒数据的输入,好家伙。而逆字节代换就是使用逆S盒;

(4)行移位:输入输出都是十六进制的矩阵格式,define_line_shift()函数是在加密时使用的,define_line_inverse_shift()函数是在解密时使用的;

(5)列混合:输入是使用的十进制矩阵,输出是十六进制的矩阵,在列混合前为了方便操作,使用函数define_column_rotation()将矩阵进行了行列交换位置,然后对每一个数据进行操作,get_2()函数是实现与2相乘的结果,在加密与解密中会多次用到,XOR()函数实现两个二进制数的异或操作,在逆列混合中就是左乘的矩阵有所不同;

(6)轮密钥加:输入输出都是十六进制的矩阵格式,在进行加密解密之前先将密钥进行扩展,得到加解密过程中使用的所有的密钥,并放在一个字典中,然后在加密解密过程中使用相应的密钥即可,get_extend_key()函数得到扩展密钥,一共有44个字,每次在进行轮密钥加时使用4个字,get_round_key_plus()函数实现轮密钥加的操作,就是进行异或操作;

(7)最后就是实现加密与解密的详细的过程,其中的九轮是一样的,最后一轮单独拿出来进行处理即可,主要的问题可能会出现在一些小细节的处理上,像我遇到的就是在解密中控制使用轮密钥的变量k,开始把k放在了10轮循环中,导致k的值一直是初值没有改变,所以加密解密没有成功,之后我就在各个步骤中一个一个的测试,发现字节代换,行移位,列混合,甚至轮密钥加单独使用的时候都可以实现还原明文,然后,我又仔细的检查了下,加密解密的函数,终于发现了这个问题,问题虽小,但是影响很大,使得整个的程序没有得到预想的结果,幸好最后的结局还算满意,就是写的代码有点乱,自己也懒得改了,希望有大佬要是有什么意见,可以随时交流。

import random
 
def get_matrix_of_clear_number(clear_number):
 #得到输入数据对应的十六进制ASCII码矩阵
 dir = {0:[], 1:[], 2:[], 3:[]}
 length = len(clear_number)
 for i in range(length):
 number = ord(clear_number[i])
 dir[i % 4].append(hex(number))
 return dir
 
def get_matrix_of_cipher_number():
 #得到随机生成的密钥的十六进制矩阵 
 dir_number = {10:"A", 11:"B", 12:"C", 13:"D", 14:"E", 15:"F"}
 string = ''
 for i in range(16):
 number = int(random.random() * 16)
 if(number >= 10):
  number = dir_number[number]
 else:
  number = str(number)
 string = string + number
 
 dir = get_matrix_of_clear_number(string)
 return dir
 
def define_S_box(fir_num, last_num):
 #定义S盒
 dir = {
 0:['0x63', '0x7c', '0x77', '0x7b', '0xf2', '0x6b', '0x6f', '0xc5', '0x30', '0x01', '0x67', '0x2b', 
 '0xfe', '0xd7', '0xab', '0x76'],
 1:['0xca', '0x82', '0xc9', '0x7d', '0xfa', '0x59', '0x47', '0xf0', '0xad', '0xd4', '0xa2', '0xaf', '0x9c', '0xa4', '0x72', '0xc0'],
 2:['0xb7', '0xfd', '0x93', '0x26', '0x36', '0x3f', '0xf7', '0xcc', '0x34', '0xa5', '0xe5', '0xf1',  '0x71', '0xd8', '0x31', '0x15'],
 3:['0x04', '0xc7', '0x23', '0xc3', '0x18', '0x96', '0x05', '0x9a', '0x07', '0x12', '0x80', '0xe2', '0xeb', '0x27', '0xb2', '0x75'],
 4:['0x09', '0x83', '0x2c', '0x1a', '0x1b', '0x6e', '0x5a', '0xa0', '0x52', '0x3b', '0xd6', '0xb3', '0x29', '0xe3', '0x2f', '0x84'],
 5:['0x53', '0xd1', '0x00', '0xed', '0x20', '0xfc', '0xb1', '0x5b', '0x6a', '0xcb', '0xbe', '0x39', '0x4a', '0x4c', '0x58', '0xcf'],
 6:['0xd0', '0xef', '0xaa', '0xfb', '0x43', '0x4d', '0x33', '0x85', '0x45', '0xf9', '0x02', '0x7f', 
 '0x50', '0x3c', '0x9f', '0xa8'],
 7:['0x51', '0xa3', '0x40', '0x8f', '0x92', '0x9d', '0x38', '0xf5', '0xbc', '0xb6', '0xda', '0x21', 
 '0x10', '0xff', '0xf3', '0xd2'],
 8:['0xcd', '0x0c', '0x13', '0xec', '0x5f', '0x97', '0x44', '0x17', '0xc4', '0xa7', '0x7e', '0x3d', 
 '0x64', '0x5d', '0x19', '0x73'],
 9:['0x60', '0x81', '0x4f', '0xdc', '0x22', '0x2a', '0x90', '0x88', '0x46', '0xee', '0xb8', '0x14', 
 '0xde', '0x5e', '0x0b', '0xdb'],
 10:['0xe0', '0x32', '0x3a', '0x0a', '0x49', '0x06', '0x24', '0x5c', '0xc2', '0xd3', '0xac', '0x62', '0x91', '0x95', '0xe4', '0x79'],
 11:['0xe7', '0xc8', '0x37', '0x6d', '0x8d', '0xd5', '0x4e', '0xa9', '0x6c', '0x56', '0xf4', '0xea', '0x65', '0x7a', '0xae', '0x08'],
 12:['0xba', '0x78', '0x25', '0x2e', '0x1c', '0xa6', '0xb4', '0xc6', '0xe8', '0xdd', '0x74', '0x1f', '0x4b', '0xbd', '0x8b', '0x8a'],
 13:['0x70', '0x3e', '0xb5', '0x66', '0x48', '0x03', '0xf6', '0x0e', '0x61', '0x35', '0x57', '0xb9', '0x86', '0xc1', '0x1d', '0x9e'],
 14:['0xe1', '0xf8', '0x98', '0x11', '0x69', '0xd9', '0x8e', '0x94', '0x9b', '0x1e', '0x87', '0xe9', '0xce', '0x55', '0x28', '0xdf'],
 15:['0x8c', '0xa1', '0x89', '0x0d', '0xbf', '0xe6', '0x42', '0x68', '0x41', '0x99', '0x2d', '0x0f', '0xb0', '0x54', '0xbb', '0x16']
 } 
 return (dir[fir_num][last_num])
 
def define_inverse_S_box(fir_num, last_num):
 #定义S逆盒
 dir = {
 0:['0x52', '0x09', '0x6a', '0xd5', '0x30', '0x36', '0xa5', '0x38', '0xbf', '0x40', '0xa3', '0x9e', '0x81', '0xf3', '0xd7', '0xfb'],
 1:['0x7c', '0xe3', '0x39', '0x82', '0x9b', '0x2f', '0xff', '0x87', '0x34', '0x8e', '0x43', '0x44', '0xc4', '0xde', '0xe9', '0xcb'],
 2:['0x54', '0x7b', '0x94', '0x32', '0xa6', '0xc2', '0x23', '0x3d', '0xee', '0x4c', '0x95', '0x0b', '0x42', '0xfa', '0xc3', '0x4e'],
 3:['0x08', '0x2e', '0xa1', '0x66', '0x28', '0xd9', '0x24', '0xb2', '0x76', '0x5b', '0xa2', '0x49', '0x6d', '0x8b', '0xd1', '0x25'],
 4:['0x72', '0xf8', '0xf6', '0x64', '0x86', '0x68', '0x98', '0x16', '0xd4', '0xa4', '0x5c', '0xcc', '0x5d', '0x65', '0xb6', '0x92'],
 5:['0x6c', '0x70', '0x48', '0x50', '0xfd', '0xed', '0xb9', '0xda', '0x5e', '0x15', '0x46', '0x57', '0xa7', '0x8d', '0x9d', '0x84'],
 6:['0x90', '0xd8', '0xab', '0x00', '0x8c', '0xbc', '0xd3', '0x0a', '0xf7', '0xe4', '0x58', '0x05', '0xb8', '0xb3', '0x45', '0x06'],
 7:['0xd0', '0x2c', '0x1e', '0x8f', '0xca', '0x3f', '0x0f', '0x02', '0xc1', '0xaf', '0xbd', '0x03', '0x01', '0x13', '0x8a', '0x6b'],
 8:['0x3a', '0x91', '0x11', '0x41', '0x4f', '0x67', '0xdc', '0xea', '0x97', '0xf2', '0xcf', '0xce', '0xf0', '0xb4', '0xe6', '0x73'],
 9:['0x96', '0xac', '0x74', '0x22', '0xe7', '0xad', '0x35', '0x85', '0xe2', '0xf9', '0x37', '0xe8', '0x1c', '0x75', '0xdf', '0x6e'],
 10:['0x47', '0xf1', '0x1a', '0x71', '0x1d', '0x29', '0xc5', '0x89', '0x6f', '0xb7', '0x62', '0x0e', '0xaa', '0x18', '0xbe', '0x1b'],
 11:['0xfc', '0x56', '0x3e', '0x4b', '0xc6', '0xd2', '0x79', '0x20', '0x9a', '0xdb', '0xc0', '0xfe', '0x78', '0xcd', '0x5a', '0xf4'],
 12:['0x1f', '0xdd', '0xa8', '0x33', '0x88', '0x07', '0xc7', '0x31', '0xb1', '0x12', '0x10', '0x59', '0x27', '0x80', '0xec', '0x5f'],
 13:['0x60', '0x51', '0x7f', '0xa9', '0x19', '0xb5', '0x4a', '0x0d', '0x2d', '0xe5', '0x7a', '0x9f', '0x93', '0xc9', '0x9c', '0xef'],
 14:['0xa0', '0xe0', '0x3b', '0x4d', '0xae', '0x2a', '0xf5', '0xb0', '0xc8', '0xeb', '0xbb', '0x3c', '0x83', '0x53', '0x99', '0x61'],
 15:['0x17', '0x2b', '0x04', '0x7e', '0xba', '0x77', '0xd6', '0x26', '0xe1', '0x69', '0x14', '0x63', '0x55', '0x21', '0x0c', '0x7d']
 
 } 
 return (dir[fir_num][last_num])
 
def hex_to_int_number(hex_num, flag):
 #十六进制矩阵转换为十进制矩阵
 number = int(hex_num, 16)
 int_num = number // 16
 int_re = number % 16
 if flag == 1:
 my_number = define_S_box(int_num, int_re)
 else:
 my_number = define_inverse_S_box(int_num, int_re)
 return my_number 
 
def define_byte_subdtitution(dir_new_number, flag):
 #定义字节代换
 dir_1 = {0:[], 1:[], 2:[], 3:[]}
 for j in range(4):
 list_new = []
 list = dir_new_number[j]
 for k in range(4): 
  new_num = hex_to_int_number(list[k], flag)
  list_new.append(new_num)
 dir_1[j] = list_new
 return dir_1
 
 
def define_line_shift(dir_clear_number):
 #进行行移位操作
 for i in range(4):
 my_list = []
 list = dir_clear_number[i]
 for j in range(4):
  my_list.append(list[(j + i) % 4])
 dir_clear_number[i] = my_list
 return dir_clear_number
 
def define_line_inverse_shift(dir_clear_number):
 #进行行移位的逆操作
 for i in range(4):
 my_list = []
 list = dir_clear_number[i]
 for j in range(4):
  my_list.append(list[(j + 4 - i) % 4])
 dir_clear_number[i] = my_list
 return dir_clear_number
 
 
def XOR(string_1, string_2):
 #得到异或后的十进制结果 
 decimal_result = 0
 for i in range(8):
 if string_1[i] != string_2[i]:
  decimal_result += 2 ** (7 - i)
 
 return decimal_result
 
def dex_to_int(string):
 #得到数据二进制到十进制的转换
 my_result = 0
 for k in range(8): 
 if string[k] == '1':
  my_result += 2 ** (7 - k)
 return my_result 
  
def get_2(last_num):
 #得到列混合中乘以2的结果 
 last_num_copy = last_num
 last_num_copy = bin(last_num_copy)[2:].rjust(8, '0')
 judge_num = bin(last_num)[2:] 
 judge_num = last_num_copy[0]
 last_num_copy = last_num_copy[1:]
 last_num_copy += '0'
 
 if judge_num == '1':
 string_judge = '00011011' 
 last_num_copy = bin(XOR(string_judge, last_num_copy))[2:].rjust(8, '0') 
 return last_num_copy
 
def define_column_rotation(dir_clear_number_copy):
 #在列混合中先将列进行旋转
 dir_clear_number = {0:[], 1:[], 2:[], 3:[]}
 for key, num in dir_clear_number_copy.items():
 list = num 
 for i in range(4):
  dir_clear_number[i].append(list[i]) 
 return dir_clear_number
 
def define_column_hybrid(dir_clear_number_copy):
 #进行列混合操作,得到对应的十六进制的矩阵 
 dir_matrix = {
 0:[2, 3, 1, 1],
 1:[1, 2, 3, 1],
 2:[1, 1, 2, 3],
 3:[3, 1, 1, 2]
 }
 dir_clear_number = define_column_rotation(dir_clear_number_copy) 
 dir_new_clear_number = {0:[], 1:[], 2:[], 3:[]}
 
 for i in range(4): 
 list_matrix = dir_matrix[i]
 list = []
 for j in range(4): 
  list_num = dir_clear_number[j] 
  string = '' 
  my_string = '00000000'
 
  for k in range(4):
  if list_matrix[k] == 2:
   string = get_2(list_num[k])
  if list_matrix[k] == 3:
   string = get_2(list_num[k])
   list_num_copy = bin(list_num[k])[2:].rjust(8, '0')
   string = bin(XOR(string, list_num_copy))[2:].rjust(8, '0')
  if list_matrix[k] == 1:
   string = bin(list_num[k])[2:].rjust(8, '0') 
  my_string = bin(XOR(my_string, string))[2:].rjust(8, '0')
  my_result = dex_to_int(my_string)
  list.append(hex(my_result))
  dir_new_clear_number[i] = list
 return dir_new_clear_number
 
def define_inverse_column_hybrid(dir_clear_number_copy):
 #进行列混合逆操作,得到对应的十六进制的矩阵 
 dir_matrix = {
 0:[14, 11, 13, 9],
 1:[9, 14, 11, 13],
 2:[13, 9, 14, 11],
 3:[11, 13, 9, 14]
 }
 dir_clear_number = define_column_rotation(dir_clear_number_copy)
 
 dir_new_clear_number = {0:[], 1:[], 2:[], 3:[]}
 for i in range(4): 
 list_matrix = dir_matrix[i]
 list = []
 for j in range(4): 
  list_num = dir_clear_number[j] 
  string = '' 
  my_string = '00000000'
  my_result = 0 
   
  for k in range(4):
  if list_matrix[k] == 14:
   string_1 = get_2(list_num[k])
   string_1_int = dex_to_int(string_1)
   string_2 = get_2(string_1_int)
   string_2_int = dex_to_int(string_2)
   string_3 = get_2(string_2_int)
   string = bin(XOR(string_2, string_1))[2:].rjust(8, '0')
   string = bin(XOR(string, string_3))[2:].rjust(8, '0')
  if list_matrix[k] == 11:
   string_1 = get_2(list_num[k])
   string_1_int = dex_to_int(string_1)
   string_2 = get_2(string_1_int)
   string_2_int = dex_to_int(string_2)
   string_3 = get_2(string_2_int)
   
   string_4 = bin(list_num[k])[2:].rjust(8, '0') 
   string = bin(XOR(string_3, string_1))[2:].rjust(8, '0')
   string = bin(XOR(string, string_4))[2:].rjust(8, '0')
   
  if list_matrix[k] == 13:
   string_1 = get_2(list_num[k])
   string_1_int = dex_to_int(string_1)
   string_2 = get_2(string_1_int)
   string_2_int = dex_to_int(string_2)
   string_3 = get_2(string_2_int)
   
   string_4 = bin(list_num[k])[2:].rjust(8, '0') 
   string = bin(XOR(string_3, string_2))[2:].rjust(8, '0')
   string = bin(XOR(string, string_4))[2:].rjust(8, '0')
  if list_matrix[k] == 9:
   string_1 = get_2(list_num[k])
   string_1_int = dex_to_int(string_1)
   string_2 = get_2(string_1_int)
   string_2_int = dex_to_int(string_2)
   string_3 = get_2(string_2_int)
   
   string_4 = bin(list_num[k])[2:].rjust(8, '0')
   string = bin(XOR(string_3, string_4))[2:].rjust(8, '0')
 
  my_string = bin(XOR(my_string, string))[2:].rjust(8, '0')
 
  my_result = dex_to_int(my_string)
  list.append(hex(my_result))
  dir_new_clear_number[i] = list
 return dir_new_clear_number
 
def hex_to_int(dir_clear_number):
 #将十六进制的矩阵转换为十进制的矩阵
 dir_clear_number_copy = {0:[], 1:[], 2:[], 3:[]}
 for key, num in dir_clear_number.items():
 list = []
 for i in range(4):
  list.append(int(num[i], 16))
 dir_clear_number_copy[key] = list 
 return dir_clear_number_copy
 
def get_4_double(i_num, num, dir_key):
 #在轮密钥加中 ,得到4的倍数
 dir_R = {
 1: ['01','00', '00', '00'],
 2: ['02', '00', '00', '00'],
 3: ['04', '00', '00', '00'],
 4: ['08', '00', '00', '00'],
 5: ['10', '00', '00', '00'],
 6: ['20', '00', '00', '00'],
 7: ['40', '00', '00', '00'],
 8: ['80', '00', '00', '00'],
 9: ['1B', '00', '00', '00'],
 10: ['36', '00', '00', '00']
 }
 list_R = dir_R[i_num // 4 + 1] 
 list = []
 list_dir = dir_key[num - 1]
 #print(list_dir)
 for i in range(4):
 list.append(list_dir[(i + 1) % 4])
 
 for i in range(4): 
 list_int = int(list[i], 16)
 line_number = list_int // 16
 row_number = list_int % 16 
 
 list[i] = define_S_box(line_number, row_number)
 list_new = []
 for i in range(4): 
 num_1 = int(list_R[i], 16)
 num_2 = int(list[i], 16)
 string_1 = bin(num_1)[2:].rjust(8, '0')
 string_2 = bin(num_2)[2:].rjust(8, '0')
 string = XOR(string_1, string_2)
 list_new.append(hex(string))
 return list_new
 
def get_extend_key(dir_cipher_number):
 #得到扩展密钥
 dir_cipher_number_copy = dir_cipher_number
 
 dir_key = {}
 for i in range(44):
 dir_key[i] = []
 
 for j in range(4):
 list = []
 list_dir = dir_cipher_number_copy[j]
 for k in range(4):
  list.append(list_dir[k])
 dir_key[j] = list
 
 for i in range(40):
 num = 4 + i
 if num % 4 == 0:
  list_T = get_4_double(i, num, dir_key)
 else:
  list_T = dir_key[num - 1]
 
 list_key = dir_key[num - 4]
 list = []
 for j in range(4):
  string_1 = bin(int(list_T[j], 16))[2:].rjust(8, '0')
  string_2 = bin(int(list_key[j], 16))[2:].rjust(8, '0')
  string = XOR(string_1, string_2)
  list.append(hex(string))
 dir_key[4 + i] = list
 return dir_key
 
def get_round_key_plus(clear_number, dir_key_extend):
 #进行轮密钥加的操作
 dir_new_number = {0:[], 1:[], 2:[], 3:[]}
 for i in range(4):
 list_number = clear_number[i]
 list_key = dir_key_extend[i]
 list = []
 for j in range(4):
  number = int(list_number[j], 16)
  key = int(list_key[j], 16)
  string_num = bin(number)[2:].rjust(8, '0')
  string_key = bin(key)[2:].rjust(8, '0')
  result_int = XOR(string_num, string_key)
  list.append(hex(result_int))
 dir_new_number[i] = list
 return dir_new_number
 
def define_encryption(clear_number, dir_key_extend):
 #对明文进行轮密钥加
 dir_new_number = get_round_key_plus(clear_number, dir_key_extend)
 
 #进行中间的十轮运算
 for i in range(10): 
 num = 4 * (i + 1)
 dir_key_extend_part = {}
 
 for j in range(4):
  dir_key_extend_part[j] = dir_key_extend[num]
  num += 1
 
 #字节代换
 dir_1 = define_byte_subdtitution(dir_new_number, 1)
 
 #行移位
 dir_1 = define_line_shift(dir_1)
 
 #定义列混合操作
 if i != 9:
  dir_1 = hex_to_int(dir_1)
  dir_1 = define_column_hybrid(dir_1)
 
 #定义轮密钥加
 dir_1 = get_round_key_plus(dir_1, dir_key_extend_part)
 dir_new_number = dir_1
 
 return dir_new_number
 
def define_decryption(clear_number, dir_key_extend):
 #对密文进行轮密钥加
 dir_key_extend_part = {
  0: dir_key_extend[40],
  1: dir_key_extend[41],
  2: dir_key_extend[42],
  3: dir_key_extend[43]
  }
 dir_new_number = get_round_key_plus(clear_number, dir_key_extend_part)
 
 #进行中间的十轮运算
 k = 9
 for i in range(10):  
 num = 4 * k
 dir_key_extend_part = {}
 for j in range(4):
  dir_key_extend_part[j] = dir_key_extend[num]
  num += 1
 k -= 1
 
 #逆行移位
 dir_1 = define_line_inverse_shift(dir_new_number)
 
 #逆字节代换
 dir_1 = define_byte_subdtitution(dir_1, 0)
  
 #定义轮密钥加
 dir_1 = get_round_key_plus(dir_1, dir_key_extend_part)
 dir_new_number = dir_1
 
 #定义逆列混合操作
 if i != 9:
  dir_1 = hex_to_int(dir_1)
  dir_1 = define_inverse_column_hybrid(dir_1)
 dir_new_number = dir_1
 return dir_new_number
 
def print_(dir_num):
 #测试输出字典
 for key, num in dir_num.items():
 print(num)
 
def get_outcome(dir_num):
 #输出解密之后的内容
 dir_num = define_column_rotation(dir_num)
 string = ''
 for i in range(4):
 list_num = dir_num[i]
 for j in range(4):
  num = list_num[j]
  num = chr(int(num, 16))
  string += num
 return string 
 
def get_standard_input(string):
 #得到16个字符的输入
 length = len(string)
 length = 16 - length
 for i in range(length):
 string += '0'
 return string 
 
if __name__ == "__main__":
 print("Enter numbers( 0 - 16 number, if less than 16, it will fill with '0' by default): ")
 clear_number = input()
 clear_number = get_standard_input(clear_number)
 
 #得到明文矩阵
 dir_clear_number = get_matrix_of_clear_number(clear_number)
 
 print_(dir_clear_number) #输出明文矩阵
 print("\n")
 
 #得到密文矩阵
 dir_cipher_number = get_matrix_of_cipher_number()
 
 #得到扩展的密钥
 dir_key_extend = get_extend_key(dir_cipher_number)
 
 print(dir_key_extend) #输出扩展密钥
 print("\n")
 
 dir_new_encrypt_number = define_encryption(dir_clear_number, dir_key_extend)
 print_(dir_new_encrypt_number) #输出密文矩阵
 print("\n")
 
 dir_orinal_ = define_decryption(dir_new_encrypt_number, dir_key_extend)
 print_(dir_orinal_) #输出解密后的矩阵
 
 dir_ = get_outcome(dir_orinal_)
 print(dir_) #输出解密后的原文

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持三水点靠木。

Python 相关文章推荐
Python的Twisted框架中使用Deferred对象来管理回调函数
May 25 Python
python使用RNN实现文本分类
May 24 Python
用Django写天气预报查询网站
Oct 21 Python
对python 读取线的shp文件实例详解
Dec 22 Python
python多线程下信号处理程序示例
May 31 Python
Python读写文件模式和文件对象方法实例详解
Sep 17 Python
Pytorch 实现权重初始化
Dec 31 Python
MNIST数据集转化为二维图片的实现示例
Jan 10 Python
Django 项目布局方法(值得推荐)
Mar 22 Python
python实现3D地图可视化
Mar 25 Python
Python打印特殊符号及对应编码解析
May 07 Python
tensorflow使用CNN分析mnist手写体数字数据集
Jun 17 Python
详解python tkinter教程-事件绑定
Mar 28 #Python
Python中捕获键盘的方式详解
Mar 28 #Python
python sort、sort_index方法代码实例
Mar 28 #Python
详解python selenium 爬取网易云音乐歌单名
Mar 28 #Python
pyqt5利用pyqtDesigner实现登录界面
Mar 28 #Python
Django实现单用户登录的方法示例
Mar 28 #Python
pyqt5实现登录界面的模板
May 30 #Python
You might like
安装PHP可能遇到的问题“无法载入mysql扩展” 的解决方法
2007/04/16 PHP
Codeigniter实现处理用户登录验证后的URL跳转
2014/06/12 PHP
php学习笔记之基础知识
2014/11/08 PHP
php正则匹配html中带class的div并选取其中内容的方法
2015/01/13 PHP
超简单的jquery的AJAX用法
2010/05/10 Javascript
js中eval详解
2012/03/30 Javascript
JavaScript实现俄罗斯方块游戏过程分析及源码分享
2015/03/23 Javascript
JavaScript头像上传插件源码分享
2016/03/29 Javascript
Bootstrap组件(一)之菜单
2016/05/11 Javascript
详解handlebars+require基本使用方法
2016/12/21 Javascript
js实现文字选中分享功能
2017/01/25 Javascript
Bootstrap 模态对话框只加载一次 remote 数据的完美解决办法
2017/07/09 Javascript
Angularjs 事件指令详细整理
2017/07/27 Javascript
Vue实现底部侧边工具栏的实例代码
2018/09/03 Javascript
如何基于原生javaScript生成带图片的二维码
2019/11/21 Javascript
js判断在哪个浏览器打开项目的方法
2020/01/21 Javascript
Vue使用预渲染代替SSR的方法
2020/07/02 Javascript
python使用Apriori算法进行关联性解析
2017/12/21 Python
使用requests库制作Python爬虫
2018/03/25 Python
用python实现将数组元素按从小到大的顺序排列方法
2018/07/02 Python
python3对接mysql数据库实例详解
2019/04/30 Python
python提取log文件内容并画出图表
2019/07/08 Python
基于python plotly交互式图表大全
2019/12/07 Python
TensorFlow dataset.shuffle、batch、repeat的使用详解
2020/01/21 Python
Python多线程threading join和守护线程setDeamon原理详解
2020/03/18 Python
护士实习鉴定范文
2013/12/22 职场文书
黄河的主人教学反思
2014/02/07 职场文书
可口可乐广告词
2014/03/20 职场文书
六个一活动实施方案
2014/03/21 职场文书
研讨会主持词
2014/04/02 职场文书
程序员求职信
2014/04/16 职场文书
导师鉴定意见
2015/06/05 职场文书
贷款收入证明范本
2015/06/12 职场文书
2016国庆节67周年红领巾广播稿
2015/12/18 职场文书
对象析构函数__del__在Python中何时使用
2022/03/22 Python
pt-archiver 主键自增
2022/04/26 MySQL