作业进来的 以当前作业的 乐器id为最优先级

src/state.ts

@@ -20,6 +20,7 @@ import { storeData } from "/src/store";
 import { downloadXmlStr } 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"
 
 const query: any = getQuery();
 
@@ -1354,13 +1355,22 @@ const getMusicInfo = async (res: any) => {
   if (state.isEvaluatReport) {
     partIndex = state.partIndex;
   }
+  // 布置作业 取作业的乐器id
+  const workRecord = query.workRecord
+  let workRecordInstrumentId:undefined | string
+  if(workRecord){
+    const res = await api_lessonTrainingTrainingStudentDetail(workRecord);
+    if (res?.code === 200) {
+      workRecordInstrumentId = res.data?.instrumentId
+    }
+  }
   /* 获取声轨列表 */
   let xmlString = await fetch(res.data.xmlFileUrl).then((response) => response.text());
   xmlString = xmlAddPartName(xmlString);
   downloadXmlStr.value = xmlString //给musice-score 赋值xmlString 以免加载2次
   const tracks = xmlToTracks(xmlString) //获取声轨列表
   // 设置音源  track 为当前的声轨 index为当前的
-  const { track, index, musicalInstrumentId } = state.isSimplePage ? { track:tracks[0], index:0, musicalInstrumentId: '' } : initMusicSource(res.data, tracks, partIndex)
+  const { track, index, musicalInstrumentId } = state.isSimplePage ? { track:tracks[0], index:0, musicalInstrumentId: '' } : initMusicSource(res.data, tracks, partIndex, workRecordInstrumentId)
   const realTrack = musicalInstrumentId && res.data?.musicalInstruments?.length ? res.data?.musicalInstruments.find((item: any) => item?.id == musicalInstrumentId)?.code?.split(',')?.[0] : '';
   const musicInfo = {
     ...res.data,
@@ -1382,9 +1392,9 @@ function xmlToTracks(xmlString: string) {
   }, []);
 }
 // 设置音源
-function initMusicSource(data: any, tracks: string[], partIndex: number) {
+function initMusicSource(data: any, tracks: string[], partIndex: number, workRecordInstrumentId?: string) {
   let track:string,index:number, musicalInstrumentId: string
-  const instrumentId = query.instrumentId || storeData.user?.instrumentId
+  const instrumentId = workRecordInstrumentId || query.instrumentId || storeData.user?.instrumentId
   let { musicSheetType, isAllSubject, musicSheetSoundList, musicSheetAccompanimentList } = data
   musicSheetSoundList || (musicSheetSoundList = [])
   musicSheetAccompanimentList || (musicSheetAccompanimentList = [])