golang截取字符串
发布时间:2020-12-16 19:24:18 所属栏目:大数据 来源:网络整理
导读://截取字符串 start 起点下标 length 需要截取的长度func Substr(str string,start int,length int) string {rs := []rune(str)rl := len(rs)end := 0if start 0 {start = rl - 1 + start}end = start + lengthif start end {start,end = end,start}if start
//截取字符串 start 起点下标 length 需要截取的长度 func Substr(str string,start int,length int) string { rs := []rune(str) rl := len(rs) end := 0 if start < 0 { start = rl - 1 + start } end = start + length if start > end { start,end = end,start } if start < 0 { start = 0 } if start > rl { start = rl } if end < 0 { end = 0 } if end > rl { end = rl } return string(rs[start:end]) } //截取字符串 start 起点下标 end 终点下标(不包括) func Substr2(str string,end int) string { rs := []rune(str) length := len(rs) if start < 0 || start > length { panic("start is wrong") } if end < 0 || end > length { panic("end is wrong") } return string(rs[start:end]) } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |