调整

app/views/courses/export_member_scores_excel.xlsx.axlsx

@@ -23,12 +23,12 @@ wb.styles do |s|
     sheet.merge_cells("F1:F2")
     sheet.merge_cells("G1:G2")
     sheet.merge_cells("H1:H2")
-    sheet.merge_cells (Axlsx::cell_r(sheet_length,0) + ':' + Axlsx::cell_r(sheet_length,1))   #最后一行的合并
+    # sheet.merge_cells (Axlsx::cell_r(sheet_length-1,0) + ':' + Axlsx::cell_r(sheet_length-1,1))   #最后一行的合并
     sheet_first = sheet.rows.first  #第一行
     sheet_second = sheet.rows.second  #第二行
     work_head_title = %w(实训作业 普通作业 分组作业 毕设任务 试卷)
-    (0..sheet_length).each do |i|
-      if i <= 7 || i == sheet_length
+    (0..(sheet_length-1)).each do |i|
+      if i <= 7
         sheet_first.cells[i].value = sheet_title[i]
       else
         sheet_second.cells[i].value = sheet_title[i]