/**
 * Project: Day12_for_lxy
 * Created: Lulu
 * Date: 2016/8/10
 */
public class Human<T> {
  private String name;
  private int age;
  private float height;

  private static int legs = 2;
  private Map<String, String> jobs;
  private T t;

  public int say() {
    System.out.println("I'm" + name);
    return 0;
  }
  private void sleep(Human human) {
    System.out.println(name + " sleep with " + human.name);
  }
  public List<Integer> getList() {
    return new ArrayList<>();
  }
  public Human() {
  }
  private Human(String name, int age, float height) {
    this.name = name;
    this.age = age;
    this.height = height;
  }
  public String getName() {
    return name;
  }
  public void setName(String name) {
    this.name = name;
  }
  public int getAge() {
    return age;
  }
  public void setAge(int age) {
    if (age > 150 || age < 0) {
      throw new RuntimeException("age > 150 || age < 0");
    }
    this.age = age;
  }
  public float getHeight() {
    return height;
  }
  public void setHeight(float height) {
    this.height = height;
  }
  @Override
  public String toString() {
    return "Human{" +
        "name='" + name + '\'' +
        ", age=" + age +
        ", height=" + height +
        '}';
  }
}

/**
 * Project: Day12_for_lxy
 * Created: Lulu
 * Date: 2016/8/10
 */
/*
獲取構(gòu)造方法
 */
public class TestConstructor {
  public static void main(String[] args) {
    //得到相應(yīng)的類結(jié)構(gòu), 這是用來描述Human這個類的類
    Class<Human> humanClass = Human.class;
    try {
////      這是在知道構(gòu)造方法結(jié)構(gòu)的前提下
//      //獲取都明確參數(shù)的構(gòu)造方法, 獲取的是公開的(public)
//      Constructor<Human> constructor1 = humanClass.getConstructor(String.class, Integer.TYPE, Float.TYPE);
//
//      Human h1 = constructor1.newInstance("小明", 18, 1.85f);
//      System.out.println(h1.toString());
//
//      //構(gòu)造方法, 修飾符類型
//      int modifiers = constructor1.getModifiers();
//      if (Modifier.isPublic(modifiers)) {
//        System.out.println("是public");
//      }

//      ////獲取都明確參數(shù)的構(gòu)造方法, 獲取的是聲明的
//      Constructor<Human> constructor2 = humanClass.getDeclaredConstructor(String.class, Integer.TYPE, Float.TYPE);
//      //設(shè)置可以全部訪問
//      constructor2.setAccessible(true);
//      //這樣是可以獲取到所有的構(gòu)造方法, 包括私有的
//      Human human2 = constructor2.newInstance("zll", 18, 1.80f);
//      System.out.println(human2.toString());

      //不知道構(gòu)造方法的類結(jié)構(gòu)
      Constructor<?>[] constructors = humanClass.getDeclaredConstructors();

      for (Constructor<?> c : constructors) {
        c.setAccessible(true);
        System.out.println(c.getName());
        System.out.println("===========================");
        //參數(shù)列表
        Class<?>[] types = c.getParameterTypes();
        for (Class<?> type : types) {
          System.out.println(type.getTypeName());
        }

        //修飾符類型
        int modifiers = c.getModifiers();
        if (Modifier.isPublic(modifiers)) {
          System.out.println("是公開的");
        }else if (Modifier.isPrivate(modifiers)){
          System.out.println("是私有的");
        }
      }


    } catch (Exception e) {
      e.printStackTrace();
    }

  }
}

/**
 * Project: Day12_for_lxy
 * Created: Lulu
 * Date: 2016/8/10
 */

/*
獲取屬性:
屬性包括:( 屬性名 類型 修飾符 泛型 )
父類的屬性
自身的屬性
 */
public class TestField {
  public static void main(String[] args) {
    Class<Human> humanClass = Human.class;
    Field[] fields = humanClass.getDeclaredFields();
    for (Field f : fields) {

      //屬性名
      System.out.print(" 名字: " + f.getName() + " ");
      System.out.println();
      //類型
      System.out.print("類型 :" + f.getType() + " ");
      System.out.println();
      //修飾符
      int modifiers = f.getModifiers();
      if (Modifier.isPublic(modifiers)) {
        System.out.println("公開的");
      } else if (Modifier.isPrivate(modifiers)) {
        System.out.println("私有的");
      }
    }
    System.out.println("============================泛型==================================");
    try {
      //通過類結(jié)構(gòu)獲取jobs屬性
      Field jobs = humanClass.getDeclaredField("jobs");
      //泛型
      ParameterizedType type = (ParameterizedType) jobs.getAnnotatedType().getType();
      Type[] types = type.getActualTypeArguments();
           for (Type type1 : types) {
        System.out.println(type1);
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
    System.out.println("===================設(shè)置值, 得到值============================");

    try {
      Human<Object> human = new Human<>();
      //非靜態(tài), 你要知道給誰設(shè)置屬性的值
      Field nameField = humanClass.getDeclaredField("name");
      nameField.setAccessible(true);
      nameField.set(human, "路新藝");
      System.out.println(human.getName());

      //靜態(tài)
      Field legs = humanClass.getDeclaredField("legs");
      int modifiers = legs.getModifiers();
      legs.setAccessible(true);
      if (Modifier.isStatic(modifiers)) {
        System.out.println("是靜態(tài)的");
      }
      legs.set(null, 4);
      System.out.println(legs.get(null));

    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}

/**
 * Project: Day12_for_lxy
 * Created: Lulu
 * Date: 2016/8/10
 */
/*
獲取方法:
方法名
修飾符
返回值類型
泛型

靜態(tài)和非靜態(tài)

方法的調(diào)用

 */
public class TestMethod {
  public static void main(String[] args) {

    Class<Human> humanClass = Human.class;
    //方法名
    Method[] ms = humanClass.getDeclaredMethods();
    for (Method m : ms) {
      m.setAccessible(true);
      System.out.print("方法名: " + m.getName() + "  " );
      int modifiers = m.getModifiers();

      if (Modifier.isPublic(modifiers)) {
        System.out.println("公開的");
      } else if (Modifier.isPrivate(modifiers)) {
        System.out.println("私有的");
      }
    }
    //在確定方法參數(shù)的情況下  方法名不能唯一的確定, 重載
    try {
      //普通類型
      Method sayM = humanClass.getDeclaredMethod("say");
      Class<?> returnType = sayM.getReturnType();
      System.out.println(returnType.toString());
      //泛型
      Method getListM = humanClass.getDeclaredMethod("getList");
      System.out.println(getListM.getReturnType());

      ParameterizedType type = (ParameterizedType) getListM.getAnnotatedReturnType().getType();
      System.out.println(type);
      Type[] ts = type.getActualTypeArguments();
      for (Type t : ts) {
        System.out.println(t);
      }


    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}

public static void main(String[] args) {
  printClassInfo(Student.class);
}

public static void printClassInfo(Class c){
    //Java中唯一的父類的類時Object
    System.out.println(c.getName());
    System.out.println(c.getSimpleName());
    System.out.println(c.getSuperclass());

    Class[] interfaces = c.getInterfaces();
    for (Class anInterface : interfaces) {
      System.out.println(anInterface);
    }
    //外部類類只有兩種訪問權(quán)限修飾(public 和 default)
    int modifiers = c.getModifiers();
  }