Android歌词秀设计思路（2）歌词处理(3)

    } 
     
    //将歌词的时间字符串转化成毫秒数的Utility类，如果参数是00:01:23.45 
    private static class TimeParser{ 
        //@return value in milliseconds. 
        static long parse(String strTime){ 
            String beforeDot = new String("00:00:00"); 
            String afterDot = new String("0"); 
             
            //将字符串按小数点拆分成整秒部分和小数部分。 
            int dotIndex = strTime.indexOf("."); 
            if(dotIndex < 0){ 
                beforeDot = strTime; 
            }else if(dotIndex == 0){ 
                afterDot = strTime.substring(1); 
            }else{ 
                beforeDot = strTime.substring(0, dotIndex);//00:01:23 
                afterDot = strTime.substring(dotIndex + 1); //45 
            } 
             
            long intSeconds = 0; 
            int counter = 0; 
            while(beforeDot.length() > 0){ 
                int colonPos = beforeDot.indexOf(":"); 
                try{ 
                    if(colonPos > 0){//找到冒号了。 
                        intSeconds *= 60; 
                        intSeconds += new Integer(beforeDot.substring(0, colonPos));