59 lines
1.0 KiB
Go
59 lines
1.0 KiB
Go
package main
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import (
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"fmt"
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"sort"
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)
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func main() {
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slice_()
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}
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func slice_() {
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var nameList []string
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nameList = append(nameList, "1")
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nameList = append(nameList, "2")
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fmt.Println(nameList[0])
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var nameList1 []string
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fmt.Println(nameList1 == nil)
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// 初始化
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var nameList2 []string = []string{}
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/*
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其他初始化的方法
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var nameList2 = []string{}
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nameList2 := []string{}
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nameList2 = make([string], 0)
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*/
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nameList2 = append(nameList2, "1")
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nameList2 = append(nameList2, "2")
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fmt.Println(nameList2 == nil)
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// make 函数
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// 格式
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//make([]type, length, capacity)
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// 可以创建指定长度，指定容量的切片
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ageList := make([]int, 3)
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fmt.Println(ageList)
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// 数组切片
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array :=[3]int{1, 2, 3}
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slices := array[:]
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fmt.Println(slices)
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fmt.Println(array[0:2])
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fmt.Println(array[2:])
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// 切片排序
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var ints = []int{2, 4, 5, 2, 8, 0, 2, 5,}
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sort.Ints(ints)
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fmt.Println(ints) // 默认升序
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sort.Sort(sort.Reverse(sort.IntSlice(ints))) // 降序
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fmt.Println(ints)
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}
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