import kotlin.reflect.full.memberFunctions

import kotlin.reflect.full.memberProperties

fun main(arg: Array<String>) {

    val p = Person::class  //类引用

    println("成员列表(属性和函数)" + p.members.size)

    for (member in p.members) {

        println(member.name + " " + member.returnType)

    }

    println("属性个数" + p.memberProperties.size)

    for (member in p.memberProperties) {

        println(member.name + " " + member.returnType)

    }

    println("函数个数" + p.memberFunctions.size)

    for (member in p.memberFunctions) {

        println(member.name + " " + member.returnType)

    }

}

class Person(val value: String, val num: Int) {

    fun process() {

    }

}

成员列表(属性和函数)6

num kotlin.Int

value kotlin.String

process kotlin.Unit

equals kotlin.Boolean

hashCode kotlin.Int

toString kotlin.String

属性个数2

num kotlin.Int

value kotlin.String

函数个数4

process kotlin.Unit

equals kotlin.Boolean

hashCode kotlin.Int

toString kotlin.String

fun main(arg: Array<String>) {

    val p = Person::process  //类引用

    //调用invoke函数执行process函数

    p.invoke(Person("abc",20))

    //利用java的反射机制指定process方法的名字

    val method = Person::class.java.getMethod("process")

    //动态调用process函数

    method.invoke(Person("tom",25))

}

class Person(val value: String, val num: Int) {

    fun process() {

       println("value $value num $num")

    }

}

fun main(arg: Array<String>) {

    val person = Person()

    //获取属性对象

    val name = Person::name

    //读取属性值

    println(name.get(person))

    //设置属性值

    name.set(person, "new")

    println(name.get(person))

}

class Person() {

    var name: String = "tom"

        get() = field

        set(value) {

            field = value

        }

}