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简化反射代码,只需要输入参数的值即可,不必输入参数类型和考虑访问权限的问题
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使用typeOf方法自动处理输入参数的基本类型的装箱和拆箱问题
例如:
假如输入参数foo为3,typeOf(foo)为int.class。 假如输入参数foo为Integer(3), typeOf(foo)为Integer.class -
假如当前类中没有指定参数的Method时,自动向父类中寻找Method
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支持多参数、数组
Main.java
// new Instance
ReflectTest test = (ReflectTest) ReflectionUtil.newInstance(ReflectTest.class,
ReflectionUtil.typeOf(3));
// invoke mothod without regard to access right, auto boxing
ReflectionUtil.invokeMethod(test, "setCount", ReflectionUtil.typeOf(Integer.valueOf(7)));
// invoke mothod without regard to access right, no auton boxing
ReflectionUtil.invokeMethod(test, "addCount", ReflectionUtil.typeOf(5));
// invoke mothod which is in super class
ReflectionUtil.invokeMethod(test, "getBaseCount");
// pass array as parameter
int[] nums = new int[]{1, 2, 3};
ReflectionUtil.invokeMethod(test, "printArray", ReflectionUtil.typeOf(nums));
ReflectTest.java
class ReflectTest extends Base{
private int count;
public ReflectTest(int count, int foo) {
this.count = count;
}
private int addCount(int adder) {
return count += adder;
}
private int setCount(Integer adder) {
return count = adder;
}
private void printArray(int[] nums) {
System.out.print("invoke method printArray, print: ");
for(int i: nums) {
System.out.print(i + " ");
}
}
}
class Base {
Base(){}
private int baseCount = -1;
private int getBaseCount() {
return baseCount;
}
}
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