Python openpyxl 遍历所有sheet 查找特定字符串

from openpyxl import workbook
from openpyxl import load_workbook
from openpyxl import worksheet

def find_false_in_sheet(sheet):
    for column in sheet.iter_cols():
        for cell2 in column:
            if cell2.value is not None:
                # print cell2.value
                # print type(cell2.value)
                info2 = cell2.value.find('false')
                if info2 == 0:
                    print cell2
                    print cell2.value

def find_false_in_xlsx(file_name):
    print file_name
    wb = load_workbook(file_name)
    all_sheets = wb.get_sheet_names()
    print(all_sheets)

    for i in range(len(all_sheets)):
        sheet = wb.get_sheet_by_name(all_sheets[i])
        print (sheet.title + ': max_row: ' + str(sheet.max_row) + '  max_column: ' + str(sheet.max_column))
        find_false_in_sheet(sheet)

# start
find_false_in_xlsx("test.xlsx")


# for row in sheet.iter_rows():
#     for cell in row:
#         if cell.value is not None:
#             info = cell.value.find('BB')
#             if info == 0:
#                 print cell.value