原文：https://www.az1314.cn/art/69
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mapA := make([string]interface{})
mapB := make([string]
interface
{})
mapA[
"name"
] =
"小文"
mapA[
"age"
] = 25
mapB[
"mapA"
] = mapA
for
k, v := range mapB {
(k == ) {
for
_, v1 := range v{
fmt.Println(v1)
}
}
}
//cannot range over v (type interface {}) 不能對一個空接口進行range
//所以再來看看下 上面發生了什么
//mapA["name"] = "xiaowen" //字符串被強轉成interface{}
//mapA["ege"] = 25 //int被強轉成interface{}
//mapB["mapA"] = mapA //mapA被轉成interface{}了 取出可以強轉成 map[string]interface{}
for
k, v := range mapB {
if
(k ==
"mapA"
) {
for
_, v1 := range v.(map[string]
interface
{}){
fmt.Println(v1)
}
}
}
//這里把v再轉成mapA的類型即可
//強類型語言要時刻記着類型的轉換奧！