package main
import "fmt"
//字典和python是一样, 无序的
//声明新的类型
type Fei struct {
id int
name string
}
type Dic map[string]int
func main() {
//声明字典
dict := make(map[string]string)
dicts := map[string]int{ "age": 10, "丙总": 2}
//新类型
result := make(map[int]*Fei)
result[0] = &Fei{ id: 6300, name: "刀妹"}
letter := []string{"a", "b", "c", "d", "e", "f", "g", "h"} //数组
//用 dict[name] = value 来设置值和修改
dict["name"] = "薇恩"
dict["age"] = "18"
dict["label"] = "小飞"
//新类型的值修改
ss := result[0]
ss.id = 4800
//打印字典的值
name := dict["name"]
res := dict["res"]
fmt.Println(name)
fmt.Println(res)
//打印字典元素个数
fmt.Println("lens", len(dict))
//删除字典元素, 有则删除, 无则不删
delete(dict, "label")
delete(dict, "ask")
//删除全部需要循环
for k := range dict{
delete(dict, k)
}
//批量添加字典
for k,v := range letter{
fmt.Println("还可以", k, v)
dicts[v] = k
}
fmt.Println(dict)
fmt.Println(dicts)
fmt.Println(result[0])
//字典的嵌套操作
respon := make(map[string]Dic)
DicNum := make(Dic) //make 初始化, 分配内存地址, 不为 nil
DicNum["id"] = 1
DicNum["age"] = 2
respon["ids"] = DicNum
respon["type"] = Dic{"id": 11, "age": 22}
fmt.Println(respon)
}
