59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
package main
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import (
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"fmt"
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"reflect"
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)
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type User struct {
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Name string
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Sex string
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Age int
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secret string
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}
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func (this *User) PointerCall() {
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fmt.Println("*User is called ...")
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fmt.Printf("%v\n", this)
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}
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func (this User) Call() {
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fmt.Println("User is called ...")
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fmt.Printf("%v\n", this)
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}
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func main() {
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user := User{"Aaron", "male", 18, "my secrets"}
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GetFieldsAndMethods(user)
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}
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func GetFieldsAndMethods(input interface{}) {
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inputType := reflect.TypeOf(input)
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inputValue := reflect.ValueOf(input)
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fmt.Println("inputType: ", inputType.Name())
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fmt.Println("inputValue: ", inputValue)
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numField := inputType.NumField()
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numMethod := inputType.NumMethod()
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fmt.Println("numField: ", numField)
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fmt.Println("numMethod: ", numMethod)
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// 遍历属性并打印键值
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for i := 0; i < inputType.NumField(); i++ {
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field := inputType.Field(i)
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fmt.Println(field.PkgPath)
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// PkgPath is the package path that qualifies a lower case (unexported)
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// field name. It is empty for upper case (exported) field names.
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// See https://golang.org/ref/spec#Uniqueness_of_identifiers
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if field.PkgPath == "" {
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value := inputValue.Field(i).Interface()
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fmt.Printf("%s: %v = %v\n", field.Name, field.Type, value)
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} else {
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fmt.Printf("%s: %v = <unexported>\n", field.Name, field.Type)
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}
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}
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// 遍历方法并打印
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for i := 0; i < inputType.NumMethod(); i++ {
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m := inputType.Method(i)
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fmt.Printf("%s: %v\n", m.Name, m.Type)
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}
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}
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