EBCD转ASCII，EBCD转GBK中文，python实现
EBCD转ASCII，EBCD转GBK中文，python实现
项目需要和AS400进行报文通讯，由于AS400使用的是EBCD码，报文发送和接收都需要进行转码，网上查了很多内容，根据自己的实践特此整理，也感谢给自己提供帮助的人们@
ebcd转ascii码表
e2a_tab = [
0, 1, 2, 3, 133, 9, 134, 127,
135, 141, 142, 11, 12, 13, 14, 15,
16, 17, 18, 19, 143, 10, 8, 151,
24, 25, 156, 157, 28, 29, 30, 31,
128, 129, 130, 131, 132, 146, 23, 27,
136, 137, 138, 139, 140, 5, 6, 7,
144, 145, 22, 147, 148, 149, 150, 4,
152, 153, 154, 155, 20, 21, 158, 26,
32, 160, 226, 228, 224, 225, 227, 229,
231, 241, 162, 46, 60, 40, 43, 124,
38, 233, 234, 235, 232, 237, 238, 239,
236, 223, 33, 36, 42, 41, 59, 94,
45, 47, 194, 196, 192, 193, 195, 197,
199, 209, 166, 44, 37, 95, 62, 63,
248, 201, 202, 203, 200, 205, 206, 207,
204, 96, 58, 35, 64, 39, 61, 34,
216, 97, 98, 99, 100, 101, 102, 103,
104, 105, 171, 187, 240, 253, 254, 177,
176, 106, 107, 108, 109, 110, 111, 112,
113, 114, 170, 186, 230, 184, 198, 164,
126, 126, 115, 116, 117, 118, 119, 120,
121, 122, 161, 191, 208, 91, 222, 174,
94, 163, 92, 183, 169, 167, 182, 188,
189, 190, 91, 93, 175, 93, 180, 215,
123, 65, 66, 67, 68, 69, 70, 71,
72, 73, 173, 244, 246, 242, 243, 245,
125, 74, 75, 76, 77, 78, 79, 80,
81, 82, 185, 251, 252, 249, 250, 255,
92, 247, 83, 84, 85, 86, 87, 88,
89, 90, 178, 212, 214, 210, 211, 213,
48, 49, 50, 51, 52, 53, 54, 55,
56, 57, 179, 219, 220, 217, 218, 159 ]
ascii转ebcd码表
a2e_tab = [
0, 1, 2, 3, 55, 45, 46, 47,
22, 5, 21, 11, 12, 13, 14, 15,
16, 17, 18, 19, 60, 61, 50, 38,
24, 25, 63, 39, 28, 29, 30, 31,
64, 90, 127, 123, 91, 108, 80, 125,
77, 93, 92, 78, 107, 96, 75, 97,
240, 241, 242, 243, 244, 245, 246, 247,
248, 249, 122, 94, 76, 126, 110, 111,
124, 193, 194, 195, 196, 197, 198, 199,
200, 201, 209, 210, 211, 212, 213, 214,
215, 216, 217, 226, 227, 228, 229, 230,
231, 232, 233, 186, 178, 187, 176, 109,
121, 129, 130, 131, 132, 133, 134, 135,
136, 137, 145, 146, 147, 148, 149, 150,
151, 152, 153, 162, 163, 164, 165, 166,
167, 168, 169, 192, 79, 208, 160, 7,
32, 33, 34, 35, 36, 4, 6, 8,
40, 41, 42, 43, 44, 9, 10, 20,
48, 49, 37, 51, 52, 53, 54, 23,
56, 57, 58, 59, 26, 27, 62, 255,
65, 170, 74, 177, 159, 178, 106, 181,
187, 180, 154, 138, 176, 202, 175, 188,
144, 143, 234, 250, 190, 160, 182, 179,
157, 218, 155, 139, 183, 184, 185, 171,
100, 101, 98, 102, 99, 103, 158, 104,
116, 113, 114, 115, 120, 117, 118, 119,
172, 105, 237, 238, 235, 239, 236, 191,
128, 253, 254, 251, 252, 186, 174, 89,
68, 69, 66, 70, 67, 71, 156, 72,
84, 81, 82, 83, 88, 85, 86, 87,
140, 73, 205, 206, 203, 207, 204, 225,
112, 221, 222, 219, 220, 141, 142, 223 ]
ebcd2str,strebcd
def hex2dec(string_num):
return str(int(string_num.upper(), 16))
def chr2ascii(chr):
return ord(chr)
def str2ebcd(bcd):
asc=chr2ascii(string[i])
bcd+=str(hex(a2e_tab[asc]).replace('0x','').upper())
return bcd
#ch='F0'
def ebcd2str_print(ch):
bcd2str=''
e2a=hex2dec(ch)
bcd2str+=chr(e2a_tab[int(e2a)])
return bcd2str
ebcd转gbk中文处理
ebcd码表示中文是有起始符(0E)和结束符(0F)
例如：0E 4C 76 58 CF 0F，其中 4C 76 58 CF为EBCD码的中文
GBK中文占用两个字节
def EBCD_to_GBK(h,l):
if (h != 72):
h = h - 72
h *= 2
if (l <= 159):
h = h-1
h += 176
if (l <= 159):
if (l < 129):
l = l + 96
else:
l = l + 95
else:
l = l + 1
else:
h = 176
l = l + 1
return h,l
# ebcdstr=['4C','76']
def ebcd2gbk(ebcdstr):
gbk_h,gbk_l=EBCD_to_GBK(int(ebcd[0],16),int(ebcd[0],16))
gbk_ch_h=str(hex(gbk_h)).replace('0x','').upper()
gbk_ch_l=str(hex(gbk_l)).replace('0x','').upper()
gbk_ch=binascii.a2b_hex(gbk_ch).decode('gbk')
return gbk_ch