BeanUtils就是一个处理Bean的工具包。内部也是使用内省。但对内省做了加强.

Bean的set |get不用再成对出现

核心类:

BeanUtils。

1、导包

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由于运行时需要写日志,所以还需要导logging.jar,否则会报错

 //1、设置属性  setXxx
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
String data="2010-5-6";
User u=new User();
BeanUtils.setProperty(u, "id", "jack");
BeanUtils.setProperty(u, "age", "90");
BeanUtils.setProperty(u, "birthday", sdf.parse(data));
System.err.println(u);
System.err.println("===========================");
//2、获取属性
String id= BeanUtils.getProperty(u, "id");
System.err.println(id);
//3、整体赋值
Map<String,Object> map=new HashMap<String, Object>();
map.put("id", "Rose");
map.put("age", "99");
BeanUtils.populate(u, map);
System.err.println(u);

注意:BeanUtils对类型进行转换只能进行简单的转换,如上面的date类型就需要自己进行转化

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" 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