Java小知识:Object对象 与 map 相互转换

废话不说,直接上源码

一.对象转map

方法1:
/**
 * @Description: java对象转map
**/
public static Map<String, String> convertToMap(Object obj) {
    try {
        if (obj instanceof Map) {
            return (Map)obj;
        }
        Map<String, String> returnMap = BeanUtils.describe(obj);
        returnMap.remove("class");
        return returnMap;
    } catch (IllegalAccessException e1) {
        e1.getMessage();
    } catch (InvocationTargetException e2) {
        e2.getMessage();
    } catch (NoSuchMethodException e3) {
        e3.getMessage();
    }
    return new HashMap();
}

方法2:
 public static void main(String[] ar){
 CardVoucherOrderParams orderParams = JSON.parseObject(JSON.toJSONString(map), CardVoucherOrderParams.class);
    System.out.println("--------------转换结果:"+orderParams.toString());
}

二.map转对象

方法1:
CardVoucherOrderParams orderParams = new CardVoucherOrderParams();
BeanUtils.populate(orderParams , map);

方法2:
Map<String, Object> map = new org.apache.commons.beanutils.BeanMap(orderParams);




后传:我发现我的白鞋子穿脏了以后,我对象会给我刷的很干净,所以我决定从此以后就只买白色鞋子啦。

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转载自blog.csdn.net/weixin_43945983/article/details/105430746