java 动态获取当前方法名称的更短方法
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Shorter method for getting the name of the current method dynamically
提问by davidahines
I'm looking for a way to get the name of the current method without having to create a blank object. Is there a way to do this? This would tidy up our logging code.
我正在寻找一种无需创建空白对象即可获取当前方法名称的方法。有没有办法做到这一点？这将整理我们的日志代码。
Here is what we do now:
这是我们现在要做的：
new Object() {}.getClass().getEnclosingMethod().getName(
回答by NPE
How about Thread.currentThread().getStackTrace()[1]?
怎么样Thread.currentThread().getStackTrace()[1]？
Since this enables you to examine higher levels of the stack trace, you could easily wrap this in a helper method (see below). It also gives you the option to get quite a bit more info than just the method name, such as the file name, line number etc.
由于这使您能够检查堆栈跟踪的更高级别，因此您可以轻松地将其包装在辅助方法中（见下文）。它还为您提供了获取更多信息的选项，而不仅仅是方法名称，例如文件名、行号等。
editThe helper method could look something like this (thanks @Esailija):
编辑辅助方法可能看起来像这样（感谢@Esailija）：
public static String getMethodName() {
return Thread.currentThread().getStackTrace()[2].getMethodName();
}
回答by dreamcrash
You can also use
你也可以使用
Thread.currentThread().getStackTrace()[1].getMethodName()
contains the last method call, but is not shorter that
包含最后一个方法调用，但不短于
new Object() {}.getClass().getEnclosingMethod().getName
I am not aware of a sorter way to do it.
我不知道分拣机的方式来做到这一点。
回答by AlexR
You can use thread.currentThread().getStacktrace()[0].getMethodName(). But this even takes more time than new Throwable().getStacktrace()(see http://alexradzin.blogspot.co.il/2011/12/how-slow-getstacktrace-is.html)
您可以使用thread.currentThread().getStacktrace()[0].getMethodName(). 但这甚至需要比new Throwable().getStacktrace()（参见http://alexradzin.blogspot.co.il/2011/12/how-slow-getstacktrace-is.html）更多的时间
