package testDao;
import java.lang.reflect.ParameterizedType;
public class BaseDaoImpl<T,M> {
private Class clazz;
public BaseDaoImpl() {
ParameterizedType pt = (ParameterizedType) this.getClass()
.getGenericSuperclass();
this.clazz = (Class) pt.getActualTypeArguments()[0];
System.out.println("Type為: " + clazz.getSimpleName());
this.clazz=(Class) pt.getActualTypeArguments()[1];
System.out.println("第二個(gè)Type為: " + clazz.getSimpleName());
}
}
參數(shù)化類型
測(cè)試
package testDao;
import bean.BaseRole;
import bean.Person;
public class UserDao extends BaseDaoImpl<Person,BaseRole> {
public static void main(String[] args) {
UserDao dao=new UserDao();
}
}
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