fix(易损件维护)：

1.胶辊类型导入时，开始使用时间设置为yyyy-MM-dd格式；

src/views/mes/prd/wear-part/index.vue

@@ -444,6 +444,7 @@
 </template>
 
 <script>
+import moment from 'moment'
 import {fetchList, getZWearPartNoList,getDictItemValueList, addObj, putObj, delObj, doJGImport, doGLQImport} from '@/api/mes/prd/wear-part'
 import { tableOption } from '@/views/mes/prd/wear-part/init'
 import { mapGetters } from 'vuex'
@@ -1004,7 +1005,6 @@ export default {
           // 如果是胶辊类型
           if ((rows[0][0] == 'JG')) {
             for (let i = 1; i < rows.length; i++) {
-              debugger
               let row = {
                 type: rows[i][0],
                 status: rows[i][1],
@@ -1012,7 +1012,7 @@ export default {
                 description: rows[i][3],
                 productLine: rows[i][4],
                 useTimes: rows[i][5],
-                startTime: rows[i][6],
+                startTime: this.formatDate(rows[i][6]), // 处理日期字段
                 storageLocation: rows[i][7],
                 supplier: rows[i][8],
                 remark: rows[i][9]
@@ -1079,6 +1079,31 @@ export default {
       this.downBlobFile(iep('/z-wear-part-detail/export'), this.searchForm, this.site + '_易损件维护.xlsx')
     },
 
+    // 工具方法：将 Excel 的日期序列号转换为 JS Date 对象
+     excelDateToJSDate(serial) {
+      if (typeof serial !== 'number') return null;
+      const utc_days = Math.floor(serial - 25569);
+      const utc_value = utc_days * 86400;
+      const date_info = new Date(utc_value * 1000);
+
+      const fractional_day = serial - Math.floor(serial) + 0.0000001;
+
+      let hour = Math.floor(24 * fractional_day);
+      const minute = Math.floor(60 * (24 * fractional_day - hour));
+      const second = Math.floor(60 * (60 * (24 * fractional_day - hour) - minute));
+
+      date_info.setHours(hour, minute, second);
+
+      return date_info;
+    },
+
+    // 开始使用日期设置为YYYY-MM-DD格式
+    formatDate(cell) {
+      if (!cell) return '';
+      const date = typeof cell === 'number' ? this.excelDateToJSDate(cell) : new Date(cell);
+      return moment(date).isValid() ? moment(date).format('YYYY-MM-DD') : '';
+    },
+
     // 查看(開窗)
     async handleView(row, index) {
       let me = this