ClassUtil.java 文件源码

public static Class getGenericClass(ParameterizedType parameterizedType, int i) {
    Object genericClass = parameterizedType.getActualTypeArguments()[i];
    if (genericClass instanceof ParameterizedType) { // 处理多级泛型
        return (Class) ((ParameterizedType) genericClass).getRawType();
    } else if (genericClass instanceof GenericArrayType) { // 处理数组泛型
        return (Class) ((GenericArrayType) genericClass).getGenericComponentType();
    } else if (genericClass instanceof TypeVariable) { // 处理泛型擦拭对象
        return (Class) getClass(((TypeVariable) genericClass).getBounds()[0], 0);
    } else {
        return (Class) genericClass;
    }
}