而不是在每个类上指定类名称:
@H_403_2@log = Logger.getLogger(Foo.class);
log = Logger.getLogger(Bar.class);
log = Logger.getLogger(Test.class);
可以使用:
@H_403_2@log = Logger.getLogger(this.getClass());会有什么影响?
解决方法
如果创建一个子类,日志消息将被记录到子类的记录器中.
@H_403_2@package pkgone;
public class SuperType {
private Logger log = Logger.getLogger(this.getClass());
public void someAction() {
log.info("Doing something");
}
}
.
@H_403_2@package pkgtwo; import pkgone.SuperType; public class SubType extends SuperType { // for instances of SubType,the log object in SuperType // will get initialized with SubType's class object }.
@H_403_2@// some code somewhere that uses SubType SubType obj = new SubType(); obj.someAction();在上面的例子中,“做某事”将被记录到pkgtwo.SubType记录器而不是pkgone.SuperType记录器,这可能是也可能不是你想要的.