ValueError: embedded null character 和 FileNotFoundError: [Errno 2] No such file or directory 错误处理

今天学习东西是从一个Excel文件中取出一个单元格的数据，并打印出来。对比cell 和 cell_vavalue 的不同。

源程序如下：

import xlrd

filename = "D:\python\pythonProject\000001.xlsx"
book = xlrd.open_workbook(filename, encoding_override="utf-8")
text = book.sheets()

for book in text:
    sheet_name = [book.name]

sbs = book.cell(1, 0)
print(sbs)

sbs = book.cell_value(1, 0)
print(sbs)

print(sheet_name)

运行程序时候，出现如下错我

Traceback (most recent call last):
File “D:\python\pythonProject\测试-1.py”, line 4, in
book = xlrd.open_workbook(filename, encoding_override=“utf-8”)
File “C:\Users\ThinkPad\AppData\Local\Programs\Python\Python39\lib\site-packages\xlrd_init_.py”, line 111, in open_workbook
with open(filename, “rb”) as f:ValueError: embedded null character

查了一下，ValueError: embedded null character的意思是：嵌入的值错误：空字符

实在搞不明白这个错误怎么回事，

然后我尝试打开其他文件

filename = "D:\python\pythonProject\股票数据汇总.xlsx"

完美，完全可以运行。

看