java两个类相同属性值赋值

public static void main(String[] args) {
          
   
        Student student = new Student();
        student.setName("我是谁");
        student.setAge(99);
        Student2 student1 = new Student2();
        setTargetFromSource(student1 , student);
        System.out.println(student1.toString());
    }


    /**
   	 * 第一种方法
     * @param target 需要赋值的对象
     * @param source 数据源
     */
    public static void setTargetFromSource(Object target, Object source) {
          
   

        if (target == null || source == null) {
          
   
            return;
        }

        Class classTarget = target.getClass();
        Class classSource = source.getClass();

        Field[] fieldTarget = classTarget.getDeclaredFields();
        Field[] fieldSource = classSource.getDeclaredFields();
        try {
          
   
            for (int i = 0; i < fieldTarget.length; i++) {
          
   
                for (int j = 0; j < fieldSource.length; j++) {
          
   
                    if (fieldTarget[i].getName().equals(fieldSource[j].getName()) &&
                            fieldTarget[i].getGenericType().toString().equals(fieldSource[i].getGenericType().toString())) {
          
   
                        fieldTarget[i].setAccessible(true);
                        fieldSource[j].setAccessible(true);
                        fieldTarget[j].set(target, fieldSource[i].get(source));
                        break;
                    }
                }
            }
        } catch (Exception e) {
          
   
            e.printStackTrace();
        }
    }

/** 
 	 * 第二种方法
     * @param target 需要赋值的对象
     * @param source 数据源
     */
	public static void setTargetFromSource1(Object target, Object source) {
          
   
        if (target == null || source == null) {
          
   
            return;
        }

        Map<String, Field> mapField = new HashMap<>();

        Class classTarget = target.getClass();
        Class classSource = source.getClass();

        Field[] fieldTarget = classTarget.getDeclaredFields();
        Field[] fieldSource = classSource.getDeclaredFields();

        try {
          
   
            for (int i = 0; i < fieldSource.length; i++) {
          
   
                mapField.put(fieldSource[i].getName(), fieldSource[i]);
            }
            for (int i = 0; i < fieldTarget.length; i++) {
          
   
                if (mapField.containsKey(fieldTarget[i].getName()) &&
                        fieldTarget[i].getGenericType().toString().equals(mapField.get(fieldTarget[i].getName()).getGenericType().toString())) {
          
   
                    fieldTarget[i].setAccessible(true);
                    mapField.get(fieldTarget[i].getName()).setAccessible(true);
                    fieldTarget[i].set(target, mapField.get(fieldTarget[i].getName()).get(source));
                    break;
                }
            }
        } catch (Exception e) {
          
   
            e.printStackTrace();
        }
	}