實(shí)例如下：
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Date;
/**
* 獲取實(shí)體類型的屬性名和類型
* @param model 為實(shí)體類
* @author kou 為傳入?yún)?shù)
*/
public class GetModelNameAndType
{
public static void testReflect(Object model) throws SecurityException,
NoSuchMethodException, IllegalArgumentException,
IllegalAccessException, InvocationTargetException, InstantiationException
{
// 獲取實(shí)體類的所有屬性，返回Field數(shù)組
Field[] field = model.getClass().getDeclaredFields();
// 獲取屬性的名字
String[] modelName = new String[field.length];
String[] modelType = new String[field.length];
for (int i = 0; i < field.length; i++)
{
// 獲取屬性的名字
String name = field[i].getName();
modelName[i] = name;
// 獲取屬性類型
String type = field[i].getGenericType().toString();
modelType[i] = type;
//關(guān)鍵。。?？稍L問私有變量
field[i].setAccessible(true);
//給屬性設(shè)置
field[i].set(model, field[i].getType().getConstructor(field[i].getType()).newInstance("kou"));
// 將屬性的首字母大寫
name = name.replaceFirst(name.substring(0, 1), name.substring(0, 1)
.toUpperCase());
if (type.equals("class java.lang.String"))
{
// 如果type是類類型，則前面包含"class "，后面跟類名
Method m = model.getClass().getMethod("get" + name);
// 調(diào)用getter方法獲取屬性值
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();