fix: 精度问题处理

form/index.js

@@ -860,6 +860,12 @@ function initVueApp(savedData) {
         };
       },
 
+      // 写回时间：保留原字段类型（number/string、秒/毫秒/时码），但小数位强制 3 位（毫秒精度）
+      timeWriteFormat(sampleItem) {
+        const base = this.detectTimeFormatFromArray([sampleItem || {}]);
+        return Object.assign({}, base, { decimals: 3 });
+      },
+
       // 校验并确认时间编辑
       confirmTimeEdit() {
         const d = this.timeEditDialog;
@@ -922,8 +928,7 @@ function initVueApp(savedData) {
         if (d.type === 'sentence-start') {
           item.start = display;
           if (words[0]) {
-            const fmt = this.detectTimeFormatFromArray([words[0]]);
-            this.$set(words[0], 'start', this.serializeTimeByFormat(total, fmt));
+            this.$set(words[0], 'start', this.serializeTimeByFormat(total, this.timeWriteFormat(words[0])));
           }
         } else if (d.type === 'sentence-end') {
           // 句子 end ↔ 末词 end ↔ 翻译末段 end 保持一致
@@ -935,8 +940,7 @@ function initVueApp(savedData) {
             this.$message.error('目标分词不存在');
             return;
           }
-          const fmt = this.detectTimeFormatFromArray([word]);
-          this.$set(word, 'start', this.serializeTimeByFormat(total, fmt));
+          this.$set(word, 'start', this.serializeTimeByFormat(total, this.timeWriteFormat(word)));
           if (d.wordIndex === 0) item.start = display;
         } else if (d.type === 'word-end') {
           const word = words[d.wordIndex];
@@ -944,8 +948,7 @@ function initVueApp(savedData) {
             this.$message.error('目标分词不存在');
             return;
           }
-          const fmt = this.detectTimeFormatFromArray([word]);
-          this.$set(word, 'end', this.serializeTimeByFormat(total, fmt));
+          this.$set(word, 'end', this.serializeTimeByFormat(total, this.timeWriteFormat(word)));
           // 改的是最后一个单词：同步句子 end + 翻译末段 end
           if (d.wordIndex === words.length - 1) {
             item.end = display;
@@ -969,8 +972,7 @@ function initVueApp(savedData) {
         if (!skipWords && words.length) {
           const last = words[words.length - 1];
           if (last) {
-            const fmt = this.detectTimeFormatFromArray([last]);
-            this.$set(last, 'end', this.serializeTimeByFormat(endSec, fmt));
+            this.$set(last, 'end', this.serializeTimeByFormat(endSec, this.timeWriteFormat(last)));
           }
         }
         if (!skipTranslated) {
@@ -978,8 +980,7 @@ function initVueApp(savedData) {
           if (tSegs.length) {
             const lastT = tSegs[tSegs.length - 1];
             if (lastT) {
-              const fmtT = this.detectTimeFormatFromArray([lastT]);
-              this.$set(lastT, 'end', this.serializeTimeByFormat(endSec, fmtT));
+              this.$set(lastT, 'end', this.serializeTimeByFormat(endSec, this.timeWriteFormat(lastT)));
             }
           }
         }
@@ -1029,9 +1030,8 @@ function initVueApp(savedData) {
           if (!lastWord) return;
           const wordEndSec = this.parseTimeToSeconds(lastWord.end);
           if (!isNaN(wordEndSec) && Math.abs(wordEndSec - sentenceEndSec) < 0.001) return;
-          const fmtSample = (lastWord.end != null || lastWord.start != null) ? [lastWord] : [s];
-          const fmt = this.detectTimeFormatFromArray(fmtSample);
-          lastWord.end = this.serializeTimeByFormat(sentenceEndSec, fmt);
+          const fmtSample = (lastWord.end != null || lastWord.start != null) ? lastWord : s;
+          lastWord.end = this.serializeTimeByFormat(sentenceEndSec, this.timeWriteFormat(fmtSample));
           fixed += 1;
         });
         if (fixed > 0) {
@@ -1429,16 +1429,14 @@ function initVueApp(savedData) {
           if (!isNaN(sEndSec)) {
             if (sWords.length) {
               const last = sWords[sWords.length - 1];
-              const fmt = this.detectTimeFormatFromArray([last]);
               sWords[sWords.length - 1] = Object.assign({}, last, {
-                end: this.serializeTimeByFormat(sEndSec, fmt),
+                end: this.serializeTimeByFormat(sEndSec, this.timeWriteFormat(last)),
               });
             }
             if (tSegs.length) {
               const lastT = tSegs[tSegs.length - 1];
-              const fmtT = this.detectTimeFormatFromArray([lastT]);
               tSegs[tSegs.length - 1] = Object.assign({}, lastT, {
-                end: this.serializeTimeByFormat(sEndSec, fmtT),
+                end: this.serializeTimeByFormat(sEndSec, this.timeWriteFormat(lastT)),
               });
             }
           }