class gb2312(object):
def __init__(self):
self.f = open('utf2gb2312.bin', 'r', encoding='utf-8')
def b2i(self, byte): # bytes转int
r = 0
for i in range(len(byte)):
r = (r << 8) + byte[i]
return r
https://blog.csdn.net/jd3096/article/details/130257320
def i2b(self, num): # int转bytes
num = int(num, 16)
return num.to_bytes(2, 'big')
def one_char(self, char): # 将一个字符转化成gb2312
utf_byte = char.encode('utf-8')
r = self.B_S(0, 7296, self.b2i(utf_byte))
gb2312_byte = self.i2b(r)
# print(gb2312_byte)
return gb2312_byte
def strs(self, st): # 将字符串转化成gb2312
r = b''
for s in st:
# print(s.encode('utf-8'))
if len(s.encode('utf-8')) <= 1:
r += s.encode('utf-8')
else:
r += self.one_char(s)
return r
def B_S(self, low, high, m): # 二分查找
if 0 <= low <= high <= 7296:
mid = (low + high) // 2
self.f.seek(mid * 12)
data = self.f.read(12)
utf = data[0:6]
if int(utf, 16) < m:
return self.B_S(mid + 1, high, m)
elif int(utf, 16) > m:
return self.B_S(low, mid - 1, m)
else:
return data[7:-1]
def __del__(self):
self.f.close()
fontbyte = gb2312()
r = fontbyte.strs('专业接单')
print(r)
https://blog.csdn.net/jd3096/article/details/130257320