feat: 存储domparse解析后的对象

src/helpers/calcSpeed.ts

@@ -117,7 +117,9 @@ export type GradualItem = {
  */
 export const getGradualLengthByXml = (xml: string) => {
 	const firstPartXml = onlyVisible(xml, 0)
+	console.time('DOMParser 耗时2')
 	const xmlParse = new DOMParser().parseFromString(firstPartXml, "text/xml");
+	console.timeEnd('DOMParser 耗时2')
 	const measures = Array.from(xmlParse.querySelectorAll("measure"));
 	const notes = Array.from(xmlParse.querySelectorAll("note"));
 	const words = Array.from(xmlParse.querySelectorAll("words"));

src/helpers/formateMusic.ts

@@ -15,6 +15,7 @@ import {
 } from "/osmd-extended/src";
 import { GradualChange, speedInfo } from "./calcSpeed";
 import { beatUnitTo, speedBeatTo } from "/src/helpers/beatConfig"
+import { xmlDocRef } from "/src/view/music-score"
 
 const browserInfo = browser();
 dayjs.extend(duration);
@@ -251,8 +252,11 @@ export const getCustomInfo = (xml: string): CustomInfo => {
 		showSpeed: true,
 		parsedXML: xml,
 	};
-	const xmlParse = new DOMParser().parseFromString(xml, "text/xml");
-	const words: any = xmlParse.getElementsByTagName("words");
+	console.time('DOMParser 耗时3')
+	// const xmlParse = new DOMParser().parseFromString(xml, "text/xml");
+	const xmlParse = xmlDocRef.value ? xmlDocRef.value : new DOMParser().parseFromString(xml, "text/xml");
+	console.timeEnd('DOMParser 耗时3')
+	const words: any = xmlParse?.getElementsByTagName("words");
 	for (const word of words) {
 		if (word && word.textContent?.trim() === "隐藏速度") {
 			data.showSpeed = false;
@@ -361,7 +365,10 @@ export const onlyVisible = (xml: string, partIndex: number): string => {
 	if (!xml) return "";
 	// console.log('原始xml')
 	const detailId = state.examSongId + "";
-	const xmlParse = new DOMParser().parseFromString(xml, "text/xml");
+	console.time('DOMParser 耗时4')
+	// const xmlParse = new DOMParser().parseFromString(xml, "text/xml");
+	const xmlParse = xmlDocRef.value ? xmlDocRef.value : new DOMParser().parseFromString(xml, "text/xml");
+	console.timeEnd('DOMParser 耗时4')
 	const partList = xmlParse.getElementsByTagName("part-list")?.[0]?.getElementsByTagName("score-part") || [];
 	const partListNames = Array.from(partList).map((item) => item.getElementsByTagName("part-name")?.[0]?.textContent?.trim() || "");
 	const parts: any = xmlParse.getElementsByTagName("part");
@@ -521,7 +528,9 @@ export const onlyVisible2 = (xml: string): string => {
 	if (!xml) return "";
 	// console.log('原始xml')
 	//const detailId = state.examSongId + "";
+	console.time('DOMParser 耗时5')
 	const xmlParse = new DOMParser().parseFromString(xml, "text/xml");
+	console.timeEnd('DOMParser 耗时5')
 	const partList = xmlParse.getElementsByTagName("part-list")?.[0]?.getElementsByTagName("score-part") || [];
 	//const partListNames = Array.from(partList).map((item) => item.getElementsByTagName("part-name")?.[0]?.textContent?.trim() || "");
 	//state.partListNames = partListNames;
@@ -614,7 +623,9 @@ export const formatZoom = (num = 1) => {
 /** 妙极客多分轨的曲子，可能没有part-name标签，需要手动加上该标签 */
 export const xmlAddPartName = (xml: string) => {
 	if (!xml) return "";
+	console.time('DOMParser 耗时6')
 	const xmlParse = new DOMParser().parseFromString(xml, "text/xml");
+	console.timeEnd('DOMParser 耗时6')
 	const scoreParts = Array.from(xmlParse.getElementsByTagName("score-part"));
 	for (const scorePart of scoreParts) {
 		if (scorePart.getElementsByTagName("part-name").length === 0) {
@@ -628,6 +639,7 @@ export const xmlAddPartName = (xml: string) => {
 			scorePart.getElementsByTagName("part-name")[0].textContent = scorePart.getAttribute("id") || "";
 		}
 	}
+	xmlDocRef.value = xmlParse;
 	return new XMLSerializer().serializeToString(xmlParse);
 }
 
@@ -636,8 +648,10 @@ export const xmlAddPartName = (xml: string) => {
  */
 export const formatXML = (xml: string, xmlUrl?: string): string => {
 	if (!xml) return "";
-	const xmlParse = new DOMParser().parseFromString(xml, "text/xml");
-
+	console.time('DOMParser 耗时7')
+	// const xmlParse = new DOMParser().parseFromString(xml, "text/xml");
+	const xmlParse = xmlDocRef.value ? xmlDocRef.value : new DOMParser().parseFromString(xml, "text/xml");
+	console.timeEnd('DOMParser 耗时7')
 	// 声调
 	const fifths = xmlParse.getElementsByTagName("fifths");
 	if (fifths && fifths.length) {

src/page-instrument/App.tsx

@@ -145,18 +145,35 @@ export default defineComponent({
         *重定向耗时: redirectEnd - redirectStart
        */
       window.onload = function() {
-        console.log('加载完成111')
+        console.log('加载完成')
         let timing: any = performance.getEntriesByType('navigation')[0];
         const { domainLookupEnd, domainLookupStart, connectEnd, connectStart, responseStart,
           requestStart, responseEnd, domInteractive, loadEventStart, domContentLoadedEventEnd,
-          fetchStart, domContentLoadEventEnd, transferSize, encodedBodySize,
+          fetchStart, secureConnectionStart, transferSize, encodedBodySize,
           redirectEnd, redirectStart
         } = timing
-        console.log(timing.domInteractive);
-        console.log(timing.fetchStart);
+        //console.log(timing.domInteractive);
+        //console.log(timing.fetchStart);
         let diff = timing.domInteractive - timing.fetchStart;
-        console.log("TTI: " + diff);
-        const timeInfo = [{ title: 'TTI', value: diff}];
+        //console.log("TTI: " + diff);
+        const timeInfo = [
+          { '类型': 'TTI', '耗时': diff},
+          { '类型': 'DNS 解析耗时', '耗时': domainLookupEnd - domainLookupStart},
+          { '类型': 'TCP 连接耗时', '耗时': connectEnd - connectStart},
+          { '类型': 'SSL 安全连接耗时', '耗时': connectEnd - secureConnectionStart},
+          { '类型': '网络请求耗时', '耗时': responseStart - requestStart},
+          { '类型': '数据传输耗时', '耗时': responseEnd - responseStart},
+          { '类型': 'DOM 解析耗时', '耗时': domInteractive - responseEnd},
+          { '类型': '资源加载耗时', '耗时': loadEventStart - domContentLoadedEventEnd},
+          { '类型': 'First Byte时间', '耗时': responseStart - domainLookupStart},
+          { '类型': '白屏时间', '耗时': responseEnd - fetchStart},
+          { '类型': '首次可交互时间', '耗时': domInteractive - fetchStart},
+          { '类型': 'DOM Ready 时间', '耗时': domContentLoadedEventEnd - fetchStart},
+          { '类型': '页面完全加载时间', '耗时': loadEventStart - fetchStart},
+          { '类型': 'http 头部大小', '耗时': transferSize - encodedBodySize},
+          { '类型': '重定向次数', '耗时': performance.navigation.redirectCount},
+          { '类型': '重定向耗时', '耗时': redirectEnd - redirectStart},
+        ];
         console.table(timeInfo);
         
       };

src/state.ts

@@ -17,7 +17,7 @@ import { followData, skipNotePractice } from "/src/view/follow-practice/index"
 import { changeSongSourceByBeat } from "/src/view/audio-list"
 import { moveSmoothAnimation, smoothAnimationState, moveSmoothAnimationByPlayTime, moveTranslateXNum, destroySmoothAnimation, calcClientWidth } from "/src/page-instrument/view-detail/smoothAnimation"
 import { storeData } from "/src/store";
-import { downloadXmlStr } from "./view/music-score"
+import { downloadXmlStr, xmlDocRef } from "./view/music-score"
 import { musicScoreRef, headerColumnHide } from "/src/page-instrument/view-detail/index"
 import { headTopData } from "/src/page-instrument/header-top/index";
 import { api_lessonTrainingTrainingStudentDetail } from "/src/page-instrument/api"
@@ -1532,9 +1532,12 @@ const getMusicInfo = async (res: any) => {
 //获取xml中的音轨数据
 function xmlToTracks(xmlString: string) {
   //console.time('domparse')
-  const xmlParse = new DOMParser().parseFromString(xmlString, "text/xml");
+  console.time('DOMParser 耗时1')
+  // const xmlParse = new DOMParser().parseFromString(xmlString, "text/xml");
+  const xmlParse = xmlDocRef.value;
+  console.timeEnd('DOMParser 耗时1')
   //console.timeEnd('domparse')
-  const partNames = Array.from(xmlParse.getElementsByTagName('part-name'));
+  const partNames = xmlParse ? Array.from(xmlParse.getElementsByTagName('part-name')) : [];
   return partNames.reduce((arr: string[], item) => {
     const textContent = item?.textContent?.trim()
     if (textContent?.toLocaleLowerCase() === "common") {

src/view/music-score/index.tsx

@@ -35,6 +35,9 @@ export const resetRenderMusicScore = (type?: string) => {
 // 下载后的xml
 export const downloadXmlStr = ref("")
 
+// xml的document对象
+export const xmlDocRef = ref<Document | null>(null);
+
 export default defineComponent({
 	name: "music-score",
 	emits: ["rendered"],