Private Sub Worksheet_SelectionChange(ByVal Target As Range) '可以直接sub(),不然选择就会触发vba Dim rows_count As Integer Dim rows_id As Integer Dim column_count As Integer Dim column_id As Integer column_count = Selection.Columns.Count '返回选择区域列数
echo "This is line $LINENO"返回行号 LINENO 变量LINENO返回它在脚本里面的行号. #!/bin/bash echo "This is line $LINENO" 执行上面的脚本test.sh,$LINENO会返回3. $ ./test.sh This is line 3 BASH_SOURCE 变量BASH_SOURCE返回一个数组,内容是当前的脚本调用堆栈.该数组的0号成员是当前执行的脚本,1号成员是调用当前脚本的脚本,以此类