首页 > 其他 > 详细

StackTraceElement

时间:2016-06-06 16:17:32      阅读:227      评论:0      收藏:0      [点我收藏+]
C语言中有__LINE__、__FILE__表示行号和文件名称,在Java中可以通过StackTraceElement类实现类似的功能。如:
System.out.println(Thread.currentThread().getStackTrace()[1].getClassName());
System.out.println(Thread.currentThread().getStackTrace()[1].getFileName());
System.out.println(Thread.currentThread().getStackTrace()[1].getMethodName());
System.out.println(Thread.currentThread().getStackTrace()[1].getLineNumber());
System.out.println(new Throwable().getStackTrace()[0].getFileName());
System.out.println(new Throwable().getStackTrace()[0].getLineNumber());

 

 

 

package test;
public class StackTraceElementTest
{
  public void methodA() {
    methodB();
  }
  public void methodB() {
    StackTraceElement[] stacks = Thread.currentThread().getStackTrace();
    for(StackTraceElement s : stacks) {
      System.out.println("*******************");
      System.out.println("fileName  :"+s.getFileName());
      System.out.println("methodName:"+s.getMethodName());
      System.out.println("lineNumber:"+s.getLineNumber());
      System.out.println("["+s+"]");
    }
  }
  public static void main(String[] args)
  {
    new StackTraceElementTest().methodA();
  }
} /* output:
*******************
fileName  :Thread.java
methodName:getStackTrace
lineNumber:1479
[java.lang.Thread.getStackTrace(Thread.java:1479)]
*******************
fileName  :StackTraceElementTest.java
methodName:methodB
lineNumber:9
[test.StackTraceElementTest.methodB(StackTraceElementTest.java:9)]
*******************
fileName  :StackTraceElementTest.java
methodName:methodA
lineNumber:6
[test.StackTraceElementTest.methodA(StackTraceElementTest.java:6)]
*******************
fileName  :StackTraceElementTest.java
methodName:main
lineNumber:20
[test.StackTraceElementTest.main(StackTraceElementTest.java:20)]
*///:)GL

 

StackTraceElement

原文:http://www.cnblogs.com/liangyonglu/p/5563851.html

(0)
(0)
   
举报
评论 一句话评论(0
关于我们 - 联系我们 - 留言反馈 - 联系我们:wmxa8@hotmail.com
© 2014 bubuko.com 版权所有
打开技术之扣,分享程序人生!