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反射设值
package com.roadway.keyin.bo.user.util;

import java.lang.reflect.Field;

import com.roadway.keyin.dao.hibernate.PreviewTemplate;
import com.roadway.keyin.dao.hibernate.PreviewUser;

public class SeterUtil
{
    public static Object set(Object sourceObj, Object targetObj)
    {
        if (sourceObj == null || targetObj == null)
        {
            return targetObj;
        }
        
        Class<?> sourceObjCls = sourceObj.getClass();
        Field[] targetObjFields = targetObj.getClass().getFields();
        
        Field sourceObjField = null;
        for (Field targetObjField : targetObjFields)
        {
            try
            {
                sourceObjField = sourceObjCls
                        .getField(targetObjField.getName());
                if (sourceObjField == null)
                {
                    continue;
                }
                
                /** 把属性名和属性类型加在一起 */
                String sourceStr = sourceObjField.getType().toString();
                sourceStr += sourceObjField.getName();
                
                /** 把属性名和属性类型加在一起 */
                String targetStr = targetObjField.getType().toString();
                targetStr += targetObjField.getName();
                
                /** 比较两个属性是否相等 *** */
                if (sourceStr.equals(targetStr))
                {
                    targetObjField
                            .set(targetObj, sourceObjField.get(sourceObj));
                }
                else
                {
                    System.out.println(sourceStr);
                    System.out.println(targetStr);
                    System.out.println();
                }
            }
            catch (Exception ex)
            {}
        }
        return targetObj;
    }
    
    public static void main(String[] args) throws IllegalArgumentException,
            SecurityException, IllegalAccessException, NoSuchFieldException
    {
        PreviewUser privewUser = new PreviewUser();
        PreviewTemplate previewTemplate = new PreviewTemplate();
        previewTemplate.setP100(15624L);
        
        SeterUtil.set(previewTemplate, privewUser);
        
        System.out.println(privewUser.getP100());
    }
}
posted on 2009-10-29 18:11 HUIKK 阅读(177) 评论(0)  编辑  收藏 所属分类: Java

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