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Type genType = getClass().getGenericSuperclass();
Type[] params = ((ParameterizedType) genType).getActualTypeArguments();
entityClass = (Class)params[0];

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public interface BaseDao<T> {
T get(String id);
}
2.¶¨Òå³éÏóÀàʵÏÖ½Ó¿Ú
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
public abstract class HibernateBaseDao<T> implements BaseDao<T> {
private Class<T> entityClass;
/**
* Õâ¸öͨ³£Ò²ÊÇhibernateµÄÈ¡µÃ×ÓÀàclassµÄ·½·¨
*
* @author "yangk"
* @date 2010-4-11 ÏÂÎç01:51:28
*/
public HibernateBaseDao() {
Type genType = getClass().getGenericSuperclass();
Type[] params = ((ParameterizedType) genType).getActualTypeArguments();
entityClass = (Class) params[0];
}
@Override
public T get(String id) {
try {
return entityClass.newInstance();
} catch (InstantiationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
}
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3.¶¨ÒåÒ»¸öentity
public class Entity {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
4.¶¨ÒåentityµÄDAO
 public class EntityDao extends HibernateBaseDao<Entity> {
public void otherOperation() {
}
}
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5.²âÊÔ
import static org.junit.Assert.asser