另一种方法:

将要更改的列的格式转换为“Text”。选择要保留的所有单元格，复制。在不取消这些列的情况下，单击“编辑>粘贴特殊> As值”

保存为CSV。请注意，这必须是您对文件所做的最后一件事，因为当您重新打开它时，它将自己格式化为日期，因为单元格格式不能保存在CSV文件中。

None of the solutions offered here is a good solution. It may work for individual cases, but only if you're in control of the final display. Take my example: my work produces list of products they sell to retail. This is in CSV format and contain part-codes, some of them start with zero's, set by manufacturers (not under our control). Take away the leading zeroes and you may actually match another product. Retail customers want the list in CSV format because of back-end processing programs, that are also out of our control and different per customer, so we cannot change the format of the CSV files. No prefixed'=', nor added tabs. The data in the raw CSV files is correct; it's when customers open those files in Excel the problems start. And many customers are not really computer savvy. They can just about open and save an email attachment. We are thinking of providing the data in two slightly different formats: one as Excel Friendly (using the options suggested above by adding a TAB, the other one as the 'master'. But this may be wishful thinking as some customers will not understand why we need to do this. Meanwhile we continue to keep explaining why they sometimes see 'wrong' data in their spreadsheets. Until Microsoft makes a proper change I see no proper resolution to this, as long as one has no control over how end-users use the files.

如果在字段的开头放置一个倒置逗号，它将被解释为文本。

例子: 25/12/2008变成了25/12/2008

您还可以在导入时选择字段类型。

SELECT CONCAT('\'',NOW(),'\''), firstname, lastname 
FROM your_table
INTO OUTFILE 'export.csv' 
FIELDS TERMINATED BY ',' 
ENCLOSED BY '\"' 
LINES TERMINATED BY '\n'

在双引号中添加空格前缀解决了这个问题!!

我在csv文件的一个列中有“7/8”这样的数据，MS-Excel将其转换为“07-Aug”。但是使用“LibreOffice Calc”就没有问题了。

为了解决这个问题，我只是给空格字符加上前缀(在7之前添加空格)，比如“7/8”，这对我来说很有效。这是为Excel-2007测试的。

(假设Excel 2003…)

当使用文本到列向导时，在步骤3中，您可以为每个列指定数据类型。单击预览中的列，将行为不端的列从“常规”更改为“文本”。