fix: 修正乐谱编辑页渐变速度区间识别

src/views/music-library/music-sheet/modal/music-operationV2.tsx

@@ -201,6 +201,32 @@ export function getGradualLengthByXml(xml: string) {
     }
   }
 
+  // D.C./D.S. 在本小节结束后跳转，以下一小节起点作为渐变区间的结束边界。
+  // 标记可能位于最后一个音符之后，不能依赖 getNextNote 查找边界。
+  let noteIndex = 0
+  measures.forEach((measure, measureIndex) => {
+    noteIndex += measure.querySelectorAll('note').length
+    const jump = Array.from(measure.querySelectorAll('sound, words')).find((ele) => {
+      if (ele.tagName === 'sound') {
+        return ele.getAttribute('dacapo') === 'yes' || !!ele.getAttribute('dalsegno')?.trim()
+      }
+      const text = ele.textContent?.replace(/[.\s]/g, '').toLocaleLowerCase() || ''
+      return /^(dc|ds|dacapo|dalsegno)(al(coda|fine))?$/.test(text)
+    })
+    if (jump) {
+      eles.push({
+        ele: jump,
+        index: noteIndex,
+        noteInMeasureIndex: 0,
+        textContent: '',
+        type: 'jump',
+        allDuration: 1,
+        leftDuration: 0,
+        measureIndex: measureIndex + 1
+      })
+    }
+  })
+
   // 结尾处手动插入一个音符节点
   eles.push({
     ele: notes[notes.length - 1],
@@ -214,7 +240,8 @@ export function getGradualLengthByXml(xml: string) {
   })
 
   const gradualNotes: any[] = []
-  eles.sort((a, b) => a.index - b.index)
+  // 同一位置先结束上一段，再处理下一小节新开始的渐变。
+  eles.sort((a, b) => a.index - b.index || Number(b.type === 'jump') - Number(a.type === 'jump'))
   const keys = Object.keys(speedInfo).map((w) => w.toLocaleLowerCase())
   let isLastNoteAndNotClosed = false
   for (const ele of eles) {
@@ -232,6 +259,7 @@ export function getGradualLengthByXml(xml: string) {
       return textContent && ks.includes(textContent) || k === textContent
     })
     if (
+      ele.type === 'jump' ||
       ele.type === 'metronome' ||
       (ele.type === 'words' && (textContent.startsWith('a tempo') || isKeyWork)) ||
       isLastNoteAndNotClosed
@@ -2421,7 +2449,7 @@ export default defineComponent({
             {!!gradualData.list.length && (
               <>
                 <NAlert showIcon={false} type="info">
-                  识别到共1处渐变速度，请输入Dorico对应小节时间信息
+                  识别到共{gradualData.list.length}处渐变速度，请输入Dorico对应小节时间信息
                 </NAlert>
                 <NFormItem label="rit." required style={{ marginTop: '10px' }}>
                   <NSpace vertical>