java reflect实现dto间相同字段copy例

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


public class myCopyTest {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub

        copyTestA copyA = new copyTestA();
        copyTestB copyB = new copyTestB();
        
        copyA.setJyouhou("testyong");
        myCopyProperties(copyA, copyB);
        
        System.out.println(copyB.getJyouhou());
    }
    
    public static void myCopyProperties(Object objectA, Object objectB) {
        
        Field[] fields = objectA.getClass().getDeclaredFields();
        
        Method methodA = null;
        Method methodB = null;
        
        String methodAName = null;
        String methodBName = null;
        
        for (Field field : fields) {
            
            String name = field.getName();
            int length = name.length();
            
            methodAName = new StringBuffer("get").
            append(name.substring(0,1).toUpperCase()).
            append(name.substring(1,length)).toString();
            
            methodBName = new StringBuffer("set").
            append(name.substring(0,1).toUpperCase()).
            append(name.substring(1,length)).toString();

            try {
                methodA = objectA.getClass().getDeclaredMethod(methodAName);
                
                methodB = objectB.getClass().getDeclaredMethod(
                        methodBName, Class.forName("java.lang.String"));
                
                String methodBParam = (String)methodA.invoke(objectA);
                
                methodB.invoke(objectB, methodBParam);
                
            } catch (SecurityException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (NoSuchMethodException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (ClassNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IllegalArgumentException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }          
        }       
    }
}