假设你只有1层构造,在这里你去:
inline fun <reified D> convert(c: Any) : D {
val list = mutableListOf<Any>()
c::class.java.declaredFields.forEach {
it.isAccessible = true
list.add(it.get(c) as String)
it.isAccessible = false
}
val constructor = D::class.java.declaredConstructors[0]
return constructor.newInstance(*list.toTypedArray()) as D
}
充分利用:
package com.erezbiox1
fun main(args: Array<String>){
val A = A("Hey", "Hello")
val B = convert<B>(A)
B.print()
}
inline fun <reified D> convert(c: Any) : D {
val list = mutableListOf<Any>()
c::class.java.declaredFields.forEach {
it.isAccessible = true
list.add(it.get(c) as String)
it.isAccessible = false
}
val constructor = D::class.java.declaredConstructors[0]
return constructor.newInstance(*list.toTypedArray()) as D
}
class A(val a: String, val b: String){
fun print(){
println("Value is: $a, $b")
}
}
class B(val a: String, val b: String) {
fun print(){
println("Value is: $a, $b")
}
}
这尖叫“在继承组成” .. –
你必须提供它在你的构造函数并手动分配每个字段。 – tynn
如果您可以从Java库切换到Kotlin数据类,您将获得内置的复制方法。 – Les