function getLrcArray() {
var parts = lrc.split("\n");
for (let index = 0; index < parts.length; index++) {
parts[index] = getLrcObj(parts[index]);
}
return parts;
function getLrcObj(content) {
var twoParts = content.split("]");
var time = twoParts[0].substr(1);
var timeParts = time.split(":");
var seconds = +timeParts[1];
var min = +timeParts[0];
seconds = min * 60 + seconds;
var words = twoParts[1];
return{
seconds: seconds,
words: words,
};
}
}
var lrcArray = getLrcArray();
function inputLrc() {
for (let index = 0; index < lrcArray.length; index++) {
var li = document.createElement("li");
li.innerText = lrcArray[index].words;
$("ullrc").appendChild(li);
}
}
inputLrc();
function setPosition() {
var index = getLrcIndex();
if (index == -1) {
return;
}
var lrc_li_height = 80, lrc_ul_height = 90;
var top = index * lrc_li_height + lrc_li_height / 2 - lrc_ul_height / 2;
if (top < 0) {
top = 0;
}
$("ullrc").style.marginTop = -top + "px";
var activeLi = $("ullrc").querySelector(".active");
if(activeLi){
activeLi.classList.remove("active");
}
$("ullrc").children[index].classList.add("active");
}
var turn = 0;
function getLrcIndex(){
var time = $("MusicPlayer").currentTime + turn;
for (var index = 0; index < lrcArray.length; index++) {
if (lrcArray[index].seconds > time) {
return index - 1;
}
}
}
$("MusicPlayer").ontimeupdate = setPosition;
狗仔卡
鲜花(
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发表于 2023-7-22 10:02
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楼主
发表于 2023-7-22 16:22
发表于 2023-7-22 20:31
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