Update VBA modules and test formatting

- Fix test result indicators encoding (use ?? instead of Unicode symbols)
- Add missing newlines at end of files
- Add new VBA module files for main functionality

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

VBA/Modules/模块1.bas

@@ -0,0 +1,131 @@
+Option Explicit
+
+' 自定义工作日计算函数
+' 用法: =WORKDAYS_CUSTOM(开始日期, 结束日期)
+' 基于"2026年工作日历"表中的休息日数据计算工作日天数
+Function WORKDAYS_CUSTOM(startDate As Date, endDate As Date) As Long
+    Dim ws As Worksheet
+    Dim currentDate As Date
+    Dim workdayCount As Long
+    Dim lastRow As Long
+    Dim i As Long
+    Dim dateInSheet As Date
+    Dim isRest As String
+    Dim found As Boolean
+
+    On Error GoTo ErrorHandler
+
+    ' 确保开始日期小于等于结束日期
+    If startDate > endDate Then
+        WORKDAYS_CUSTOM = 0
+        Exit Function
+    End If
+
+    ' 获取工作表
+    Set ws = ThisWorkbook.Sheets("日历")
+
+    ' 找到最后一行
+    lastRow = ws.Cells(ws.Rows.count, "A").End(xlUp).Row
+
+    ' 初始化计数器
+    workdayCount = 0
+    currentDate = startDate
+
+    ' 遍历日期范围
+    Do While currentDate <= endDate
+        found = False
+
+        ' 在表中查找当前日期
+        For i = 2 To lastRow  ' 从第2行开始（第1行是表头）
+            dateInSheet = CDate(ws.Cells(i, 1).Value)
+
+            If dateInSheet = currentDate Then
+                isRest = ws.Cells(i, 2).Value
+                found = True
+
+                ' 如果不是休息日，计数加1
+                If isRest = "否" Then
+                    workdayCount = workdayCount + 1
+                End If
+
+                Exit For
+            End If
+        Next i
+
+        ' 如果日期不在表中（例如其他年份），返回错误
+        If Not found And Year(currentDate) = 2026 Then
+            WORKDAYS_CUSTOM = CVErr(xlErrValue)
+            Exit Function
+        End If
+
+        ' 移动到下一天
+        currentDate = DateAdd("d", 1, currentDate)
+    Loop
+
+    WORKDAYS_CUSTOM = workdayCount
+    Exit Function
+
+ErrorHandler:
+    WORKDAYS_CUSTOM = CVErr(xlErrValue)
+End Function
+
+
+' 优化版本：使用字典提高查询速度
+Function WORKDAYS_CUSTOM_FAST(startDate As Date, endDate As Date) As Long
+    Dim ws As Worksheet
+    Dim currentDate As Date
+    Dim workdayCount As Long
+    Dim lastRow As Long
+    Dim i As Long
+    Dim restDays As Object  ' Dictionary
+    Dim dateStr As String
+
+    On Error GoTo ErrorHandler
+
+    ' 确保开始日期小于等于结束日期
+    If startDate > endDate Then
+        WORKDAYS_CUSTOM_FAST = 0
+        Exit Function
+    End If
+
+    ' 创建字典对象
+    Set restDays = CreateObject("Scripting.Dictionary")
+
+    ' 获取工作表
+    Set ws = ThisWorkbook.Sheets("2026年工作日历")
+
+    ' 找到最后一行
+    lastRow = ws.Cells(ws.Rows.count, "A").End(xlUp).Row
+
+    ' 将所有休息日加载到字典中（提高查询速度）
+    For i = 2 To lastRow
+        If ws.Cells(i, 2).Value = "是" Then
+            dateStr = Format(CDate(ws.Cells(i, 1).Value), "yyyy-mm-dd")
+            restDays(dateStr) = True
+        End If
+    Next i
+
+    ' 初始化计数器
+    workdayCount = 0
+    currentDate = startDate
+
+    ' 遍历日期范围
+    Do While currentDate <= endDate
+        dateStr = Format(currentDate, "yyyy-mm-dd")
+
+        ' 检查是否为休息日
+        If Not restDays.Exists(dateStr) Then
+            ' 不在休息日字典中，说明是工作日
+            workdayCount = workdayCount + 1
+        End If
+
+        ' 移动到下一天
+        currentDate = DateAdd("d", 1, currentDate)
+    Loop
+
+    WORKDAYS_CUSTOM_FAST = workdayCount
+    Exit Function
+
+ErrorHandler:
+    WORKDAYS_CUSTOM_FAST = CVErr(xlErrValue)
+End Function