package com.imooc.reflect.zy1;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class GetDeclaredSample {
public static void main(String[] args) {
try {
            Class bookClass = Class.forName("com.imooc.reflect.zy1.Book");
            Constructor constructor = bookClass.getConstructor(new Class[]{
                    Integer.class, String.class, Float.class
            });
            Book book = (Book) constructor.newInstance(new Object[]{
1010, "三国志", 28.0f
            });
            Field[] fields = bookClass.getDeclaredFields();
            for (Field field : fields) {
if (field.getModifiers() == 1) {
                    Object o = field.get(book);
                    System.out.println(o);
                } else if (field.getModifiers() == 2) {
                    String ffm = "get" + field.getName().substring(0, 1).toUpperCase() + field.getName().substring(1);
                    Method method = bookClass.getMethod(ffm);
                    Object invoke = method.invoke(book);
                    System.out.println(invoke);

                }
            }
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}

package com.imooc.reflect.zy1;

public class Book {
private Integer id;
    private String name;
    public Float price;

    public Book() {

    }

public Book(Integer id, String name, Float price) {
this.id = id;
        this.name = name;
        this.price = price;
    }

public int getId() {
return id;
    }

public void setId(int id) {
this.id = id;
    }

public String getName() {
return name;
    }

public void setName(String name) {
this.name = name;
    }

public Float getPrice() {
return price;
    }

public void setPrice(Float price) {
this.price = price;
    }

@Override
    public String toString() {
return "Book{" +
"id=" + id +
", name='" + name + '\'' +
", price=" + price +
'}';
    }
}