Map转为Bean,注册String转Date

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Map;

import org.apache.commons.beanutils.ConversionException;
import org.apache.commons.beanutils.ConvertUtils;
import org.apache.commons.beanutils.Converter;

public class BeanUtils {

    public static void transMap2Bean(Map<String, Object> map, Object obj) {  
        //ConvertUtils.register(new DateLocaleConverter(), Date.class);
        ConvertUtils.register(new Converter()  
        {  
               
   
            @SuppressWarnings("rawtypes")  
            public Object convert(Class arg0, Object arg1)  
            {  
                //System.out.println("注册字符串转换为date类型转换器");  
                if(arg1 == null)  
                {  
                    return null;  
                }  
                if(!(arg1 instanceof String))  
                {  
                    throw new ConversionException("只支持字符串转换 !");  
                }  
                String str = (String)arg1;  
                if(str.trim().equals(""))  
                {  
                    return null;  
                }  
                   
                SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  
                   
                try{  
                    return sd.parse(str);  
                }  
                catch(ParseException e)  
                {  
                    throw new RuntimeException(e);  
                }  
                   
            }  
               
        }, java.util.Date.class);  
        if (map == null || obj == null) {  
            return;  
        }  
        try {  
            org.apache.commons.beanutils.BeanUtils.populate(obj, map);  
        } catch (Exception e) {  
            System.out.println("Map<String,Object>转化Bean异常:" + e);  
        }  
    }

    
}

 

posted @ 2019-01-03 17:14  RivenLw  阅读(659)  评论(0编辑  收藏  举报