[TOC] ## 切片合并 直接用append ``` s1 := []int{1,2,4,5} s2 := []int{6,7,8,9} s3 := append(s1, s2...) ``` 或者自己定义一个切片合并的方法 ``` func mergeSlice(s1 []int, s2[]int) []int { slice := make([]int, len(s1) + len(s2)) copy(slice, s1) copy(slice[len(s1):], s2) return slice } ```