package main

import "fmt"

type PersonInfo struct {
	ID      string
	Name    string
	Address string
}

func main() {
	var personDB map[string]PersonInfo
	//声明
	personDB = make(map[string]PersonInfo)
	//map函数创建新map
	personDB["12345"] = PersonInfo{"12345", "TOM", "Room 203..."}
	personDB["1"] = PersonInfo{"1", "Jack", "Room 201..."}
	//插入数据
	person, ok := personDB["12345"]
	//从map中查找键为"1234"的信息
	if ok {
		fmt.Println("Found people", person.Name, "with ID 12345")
	} else {
		fmt.Println("Can't found people with ID 12345")
	}
}