lyric.as

mp3 播放器超 好超好的大家可以看一下。

class Lyric {
	public var songId:Number;
	function Lyric() {
	}
	public function read(song_Obj:Object, test_txt_Obj:Object, str:String, addLines:Number, the__color:String, speed:Number):Void {
		clearInterval(songId);
		song_Obj == null ? trace("参数1:请写入播放音乐的对象.") : null;
		test_txt_Obj == null ? trace("参数2:请写入显示歌词的对象.") : null;
		str == null ? trace("参数3:请写入动态歌词字符串.") : null;
		addLines == null ? trace("参数4:请写入显示歌词的条数.") : null;
		the__color == null ? (trace("参数5:可写入歌词高亮的颜色,默认0xFF0000."), the__color="#ff0000") : null;
		speed == null ? speed=100 : null;
		addLines--;
		var contLines = int(addLines/2);
		test_txt_Obj.html = true;
		test_txt_Obj.htmlText = "";
		var lrc:Array = new Array();
		var templine = str.split("\n");
		var templine_max = templine.length;
		for (var i = 0; i<templine_max; i++) {
			var thisIndex = 0;
			var max = Pop.popTotal(templine[i], "]");
			for (var j = 0; j<max; j++) {
				var test = templine[i].slice(templine[i].lastIndexOf("]")+1, -1);
				thisIndex = templine[i].indexOf("[", thisIndex);
				var timer = Pop.popString(templine[i], "[", "]", thisIndex);
				if (timer.charAt(2) == ":" && !isNaN(Number(timer.slice(3)))) {
					var timers = (Number(timer.substring(0, 2))*60+Number(timer.slice(3)))*1000;
					lrc.push({timer:timers, lyric:test});
				}
				thisIndex++;
			}
		}
		var Maxlist = lrc.length;
		lrc.sortOn("timer", Array.NUMERIC);
		songId = setInterval(function () {
			var thetime = song_Obj.position;
			for (var i = 0; i<Maxlist; i++) {
				if (Number(lrc[i].timer)<=thetime && Number(lrc[i+1].timer)>thetime) {
					var test = "";
					var Stimer = Number(lrc[i].timer);
					var thelist_max = addLines-contLines+i;
					for (var j = i-contLines; j<=thelist_max; j++) {
						j == i ? test += "<b><font color='"+the__color+"'>"+lrc[j].lyric+"</font></b>\n" : (lrc[j].lyric != undefined ? test += lrc[j].lyric+"\n" : test += "  \n");
					}
					test_txt_Obj.htmlText = test;
				}
			}
		}, speed);
	}
}