实例如下：
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Date;
/**
* 获取实体类型的属性名和类型
* @param model 为实体类
* @author kou 为传入参数
*/
public class GetModelNameAndType
{
public static void testReflect(Object model) throws SecurityException,
NoSuchMethodException, IllegalArgumentException,
IllegalAccessException, InvocationTargetException, InstantiationException
{
// 获取实体类的所有属性，返回Field数组
Field[] field = model.getClass().getDeclaredFields();
// 获取属性的名字
String[] modelName = new String[field.length];
String[] modelType = new String[field.length];
for (int i = 0; i < field.length; i++)
{
// 获取属性的名字
String name = field[i].getName();
modelName[i] = name;
// 获取属性类型
String type = field[i].getGenericType().toString();
modelType[i] = type;
//关键。。。可访问私有变量
field[i].setAccessible(true);
//给属性设置
field[i].set(model, field[i].getType().getConstructor(field[i].getType()).newInstance("kou"));
// 将属性的首字母大写
name = name.replaceFirst(name.substring(0, 1), name.substring(0, 1)
.toUpperCase());
if (type.equals("class java.lang.String"))
{
// 如果type是类类型，则前面包含"class "，后面跟类名
Method m = model.getClass().getMethod("get" + name);
// 调用getter方法获取属性值
String value = (String) m.invoke(model);
if (value != null)
{
System.out.println("attribute value:" + value);
}
}
if (type.equals("class java.lang.Integer"))
{
Method m = model.getClass().getMethod("get" + name);
Integer value = (Integer) m.invoke(model);
if (value != null)
{
System.out.println("attribute value:" + value);
}
}
if (type.equals("class java.lang.Short"))
{
Method m = model.getClass().getMethod("get" + name);
Short value = (Short) m.invoke(model);
if (value != null)
{
System.out.println("attribute value:" + value);
}
}
if (type.equals("class java.lang.Double"))
{
Method m = model.getClass().getMethod("get" + name);
Double value = (Double) m.invoke(model);
if (value != null)
{
System.out.println("attribute value:" + value);
}
}
if (type.equals("class java.lang.Boolean"))
{
Method m = model.getClass().getMethod("get" + name);
Boolean value = (Boolean) m.invoke(model);
if (value != null)
{
System.out.println("attribute value:" + value);
}
}
if (type.equals("class java.util.Date"))
{
Method m = model.getClass().getMethod("get" + name);
Date value = (Date) m.invoke(model);
if (value != null)
{
System.out.println("attribute value:"
+ value.toLocaleString());
}
}
}
}
public static void main(String[] args)
{
try
{
testReflect(new VO());
}
catch (SecurityException e)
{
e.printStackTrace();
}
catch (IllegalArgumentException e)
{
e.printStackTrace();
}
catch (NoSuchMethodException e)
{
e.printStackTrace();
}
catch (IllegalAccessException e)
{
e.printStackTrace();
}
catch (InvocationTargetException e)
{
e.printStackTrace();
}
catch (InstantiationException e)
{
e.printStackTrace();
}
}
}