定义示例类型和变量
type Human struct {
Name string
}
var people = Human{Name:"tom"}
``
fmt.Printf("%v", people) // {tom} fmt.Printf("%+v", people) // {Name:tom} fmt.Printf("#v", people) // main.Human{Name:"tom"} fmt.Printf("%T", people) // main.Human fmt.Printf("%%") // Printf("%%") "`