修改设置标题逻辑，添加附加信息设置

src/constants/excelConfig.ts

@@ -80,5 +80,7 @@ export const authorityConfig = {
   export const areaMarksColor = {
     'data': '#65d0ea',
     'head': '#34718d',
-    'default': '#ffffff'
+    'default': '#ffffff',
+    'attch': '#e6ccb2',
+    'attch_head': '#b08968'
   }
\ No newline at end of file

src/utils/excel.ts

+import type { Recordable } from '@/types/global'
+
 export function chatatABC(n: number) {
   var orda = 'a'.charCodeAt(0)
 
@@ -21,17 +23,74 @@ export function getRangetxt(row0: number, row1: number, column0: number, column1
   // let column0 = range["column"][0], column1 = range["column"][1];
 
   if (row0 == null && row1 == null) {
-        return chatatABC(column0) + ":" + chatatABC(column1);
+    return chatatABC(column0) + ':' + chatatABC(column1)
+  } else if (column0 == null && column1 == null) {
+    return row0 + 1 + ':' + (row1 + 1)
+  } else {
+    if (column0 == column1 && row0 == row1) {
+      return chatatABC(column0) + (row0 + 1)
+    } else {
+      return chatatABC(column0) + (row0 + 1) + ':' + chatatABC(column1) + (row1 + 1)
     }
-    else if (column0 == null && column1 == null) {
-        return (row0 + 1) + ":" + (row1 + 1);
   }
-    else {
-        if (column0 == column1 && row0 == row1) {
-            return chatatABC(column0) + (row0 + 1);
+}
+
+export function getRangeState(range: any) {
+  let rowLen = range.length
+  let columnLen = range[0].length
+  let isOneRow = !(rowLen > 1)
+  let isOneColumn = !(columnLen > 1)
+
+  return {
+    rowLen,
+    columnLen,
+    isOneRow,
+    isOneColumn
   }
-        else {
-            return chatatABC(column0) + (row0 + 1) + ":" + chatatABC(column1) + (row1 + 1);
+}
+
+export function handleRangeTitle(range: any, dataArea: Recordable) {
+  const { isOneColumn, isOneRow, rowLen, columnLen } = getRangeState(range)
+  const { beginColum, beginRow, endRow, endColum, sheetNum } = dataArea
+  const titles: Recordable[] = []
+  let isVertical = false
+
+  if (rowLen - 1 === endRow - beginRow && columnLen - 1 !== endColum - beginColum) {
+    isVertical = true
+  }
+
+  /**
+   * 横向：以列为单位取值，多值取最后有值单元格
+   * 
+   * 纵向：以行为单位，多值取最后有值单元格
+   */
+  for (let c = 0; c < (isVertical ? rowLen : columnLen); c++) {
+    const title = {
+      title: '',
+      sheet: sheetNum,
+      row: 0,
+      colum: 0
+    }
+    for (let r = 0; r < (isVertical ? columnLen : rowLen); r++) {
+      const cell = isVertical ? range[c][r] : range[r][c]
+      let v = ''
+      // 如果获取值报错，那么断定单元格值为空，继续执行
+      try {
+        v = cell.v || cell?.ct?.s.map((itm) => itm.v).join('')
+      } catch {}
+      if (v != '') {
+        title.title = v.replaceAll(' ', '')
+        title.colum = +beginColum + (isVertical ? r : c)
+        title.row = +beginRow + (isVertical ? c : r)
       }
+      // 如果有单元格合并，跳过单元格
+      if (cell?.mc) {
+        r += isVertical ? cell.mc.rs - 1 : cell.mc.cs - 1
+        c += isVertical ? cell.mc.cs - 1 : cell.mc.rs - 1
       }
+    }
+    titles.push(title)
+  }
+
+  return titles
 }