import xlrd
workbook = xlrd.open_workbook('./data/test_data.xlsx')
sheet = workbook.sheet_by_name('Sheet1')
merged = sheet.merged_cells # 返回一个列表 起始行，结束行，起始列，结束列）
print(merged)

def get_merged_cell_value(row_index,col_index):
  cell_value = None
  for (rlow, rhigh, clow, chigh) in merged:
    if (row_index >= rlow and row_index < rhigh):
      if (col_index >= clow and col_index < chigh):
        cell_value = sheet.cell_value(rlow, clow)
  return cell_value

print( get_merged_cell_value(0,1) )

#方法参数为单元格的坐标（x,y），如果给的坐标是合并的单元格，输出此单元格是合并的，否则，输出普通单元格
def get_merged_cell_value(row_index,col_index):
  for (rlow, rhigh, clow, chigh) in merged:
    if (row_index >= rlow and row_index < rhigh and col_index >= clow and col_index < chigh):
      print("此单元格是合并单元格")
    else:
      print("此单元格为普通单元格")

print( get_merged_cell_value(4,3) )

##读取第3列的所有数据,并进行降序排序
clox=3
list1=[]
for i in range(1,sheet.nrows):
  cell_value=float(sheet.cell_value(i,clox))
  list1.append(cell_value)
print(list1)
list1.sort()
list1.reverse()
print(list1)