course/test/spilt_string.go

package Splitstring

import (
	"strings"
)

//切割字符串
//example
// abc,b =>[a,c]

//func Split(str string, sep string) []string {
//	tmp := make([]string, 0)
//	for _, v := range str {
//		if string(v) == sep {
//			continue
//		} else {
//			tmp = append(tmp, string(v))
//		}
//	}
//	return tmp
//}

// abc,b =>[a,c]

func Split(str string, sep string) []string {
	var ret = make([]string, 0, strings.Count(str, sep)+1)
	index := strings.Index(str, sep)
	for index >= 0 {
		ret = append(ret, str[:index])
		str = str[index+len(sep):]
		index = strings.Index(str, sep)
	}
	ret = append(ret, str)
	return ret
}