1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | package main import "fmt" // 用户 type User struct { Id int Name string Age int } func main() { user := User{Id:2, Name: "golang" } // 打印 结构体 fmt.Printf( "%+v" , user) // 输出换行符 fmt.Printf( "\n" ) // 判断实例是否为空 fmt.Println(user == User{}) } |
输出:
1 2 | {Id:2 Name:golang Age:0} false |