public static long getTime() {
        // StackTraceHelper.printStackTrace();
        StackTraceElement[] stackTraceElements = StackTraceHelper.getStackTrace();
        StackTraceElement stackTraceElement = stackTraceElements[2]; // 调用本类的对象类型堆栈
        String clazz = stackTraceElement.getClassName(); // 调用本类的对象类型
        Thread thread = Thread.currentThread();
        TimerHolder holder = new TimerHolder();
        holder.setObject(clazz);
        holder.setThread(thread);
        // String methodName = stackTraceElement.getMethodName();
        // int lineNumber = stackTraceElement.getLineNumber();
        // long hashCode = 17;
        // hashCode = 37 * hashCode + clazz.hashCode();
        // hashCode = 37 * hashCode + methodName.hashCode();
        // hashCode = 37 * hashCode + lineNumber;
        // System.out.println("stackTraceElement.getClassName() ========= " +
        // stackTraceElement.getClassName());
        Long startTime = holderObjects.get(holder);
        // System.out.println(stackTraceElement);
        if (startTime == null) {
            startTime = System.currentTimeMillis();
        }
        long time = System.currentTimeMillis() - startTime;
        startTime = System.currentTimeMillis();
        holderObjects.put(holder, startTime);
        return time;
    }
public static long getTime() {
        
        StackTraceElement[] stackTraceElements = StackTraceHelper.getStackTrace();
        StackTraceElement stackTraceElement = stackTraceElements[2]; 
        String clazz = stackTraceElement.getClassName(); 
        Thread thread = Thread.currentThread();
        TimerHolder holder = new TimerHolder();
        holder.setObject(clazz);
        holder.setThread(thread);
        
        
        
        
        
        
        
        
        Long startTime = holderObjects.get(holder);
        
        if (startTime == null) {
            startTime = System.currentTimeMillis();
        }
        long time = System.currentTimeMillis() - startTime;
        startTime = System.currentTimeMillis();
        holderObjects.put(holder, startTime);
        return time;
    }
public static long getTime ( ) { // StackTraceHelper.printStackTrace(); StackTraceElement [ ] stackTraceElements = StackTraceHelper . getStackTrace ( ) ; StackTraceElement stackTraceElement = stackTraceElements [ 2 ] ; // 调用本类的对象类型堆栈 String clazz = stackTraceElement . getClassName ( ) ; // 调用本类的对象类型 Thread thread = Thread . currentThread ( ) ; TimerHolder holder = new TimerHolder ( ) ; holder . setObject ( clazz ) ; holder . setThread ( thread ) ; // String methodName = stackTraceElement.getMethodName(); // int lineNumber = stackTraceElement.getLineNumber(); // long hashCode = 17; // hashCode = 37 * hashCode + clazz.hashCode(); // hashCode = 37 * hashCode + methodName.hashCode(); // hashCode = 37 * hashCode + lineNumber; // System.out.println("stackTraceElement.getClassName() ========= " + // stackTraceElement.getClassName()); Long startTime = holderObjects . get ( holder ) ; // System.out.println(stackTraceElement); if ( startTime == null ) { startTime = System . currentTimeMillis ( ) ; } long time = System . currentTimeMillis ( ) - startTime ; startTime = System . currentTimeMillis ( ) ; holderObjects . put ( holder , startTime ) ; return time ; }
获取与上个计时点以毫秒为单位的时差 ，如果是第一个计时点，则开始即时并返回0<br>
此方法是以线程和调用类来区别计时的，即：不同的类或不同的线程都会导致计时器的从0开始计时<br>
2013-7-26 下午6:21:40

@return long
获取与上个计时点以毫秒为单位的时差 ，如果是第一个计时点，则开始即时并返回0<br > 此方法是以线程和调用类来区别计时的，即：不同的类或不同的线程都会导致计时器的从0开始计时<br > 2013 - 7 - 26 下午6 : 21 : 40