def subString(string,length):
if length >= len(string):
return string
result = ''
i = 0
p = 0
while True:
ch = ord(string[i])
#1111110x
if ch >= 252:
p = p + 6
#111110xx
elif ch >= 248:
p = p + 5
#11110xxx
elif ch >= 240:
p = p + 4
#1110xxxx
elif ch >= 224:
p = p + 3
#110xxxxx
elif ch >= 192:
p = p + 2
else:
p = p + 1
if p >= length:
break;
else:
i = p
return string[0:i] def cut_string_off(string,s_len):
if len(string)==0 or s_len <=0:
return string
elif len(string)==1 or s_len >= len(string):
return string
elif s_len < len(string):
len_num=0
while len_num < s_len:
tmp_c=ord(string[len_num])
if tmp_c >0 and tmp_c <=0x7F:
len_num+=1
continue
tmp_nextc=ord(string[len_num+1])
if tmp_c >= 0x81 and tmp_c <=0xFE and tmp_nextc>=0x40 and tmp_nextc<=0xFE:
len_num+=2
continue
else:
len_num +=1;
continue
break
tmp = string[0:len_num]
# print utf2gbk(tmp)
return tmp 以上就是Python针对含中文字符串的截取功能的实现示例的详细内容,更多请关注Gxl网其它相关文章!
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