(s string, length int)
| 21 | } |
| 22 | |
| 23 | func (x *xString) Utf8Split(s string, length int) string { |
| 24 | if len(s) == 0 { |
| 25 | return "" |
| 26 | } |
| 27 | var result string |
| 28 | for i := 0; i < length; i++ { |
| 29 | first := x.FirstUtf8(s) |
| 30 | if first == "" { |
| 31 | break |
| 32 | } |
| 33 | result += first |
| 34 | //去掉第一个字符 |
| 35 | s = s[len(first):] |
| 36 | } |
| 37 | return result |
| 38 | } |