Go map的range遍历

// MapFunc03 ... map的range遍历
func MapFunc03() {
    m := make(map[string]string)
    m["11111"] = "小昆虫"
    m["22222"] = "小白菜"
    m["33333"] = "小东风"
    m["44444"] = "小青蛙"
    fmt.Println("m=", m)
    //range遍历map
    for k, v := range m {
        fmt.Println("k=", k, "v=", v)
    }

    //复杂结构的map
    m1 := make(map[string]map[string]string)
    m1["aaaaa"] = make(map[string]string)
    m1["bbbbb"] = make(map[string]string)
    m1["aaaaa"]["11111"] = "小昆虫"
    m1["aaaaa"]["22222"] = "小白菜"
    m1["bbbbb"]["33333"] = "小东风"
    m1["bbbbb"]["44444"] = "小青蛙"
    fmt.Println("m1=", m1)
    for k1, v1 := range m1 {
        fmt.Println(k1, v1)
        for k2, v2 := range v1 {
            fmt.Println("", k2, v2)
        }
    }
}