Reasons and solutions for garbled characters when exporting Excel from mysql

In the process of using MySQL to export Excel, sometimes we will encounter some garbled characters, which may appear in the table content, table titles, etc. of the Excel file, affecting the correctness and readability of the data. This article will introduce the reasons and solutions for garbled characters when exporting Excel from MySQL. I hope it will be helpful to everyone.

Cause Analysis

1. Inconsistent character sets

The default settings of MySQL and Excel for character sets are inconsistent. For example, MySQL’s default character set is utf-8, while Excel’s The default character set may be GBK, GB2312, etc. When the data in MySQL is output to Excel, garbled characters may occur due to inconsistent character sets.

2. The Excel file format is incorrect

Sometimes we change a CSV file directly to an Excel file, which may cause the Excel file format to be incorrect, resulting in garbled characters.

3. Operating system language settings are inconsistent

When the operating system language settings are inconsistent, garbled characters will occur. For example, under a Windows system, when the operating system language is set to Chinese and then the data in MySQL is output to Excel, garbled characters may occur.

Solution

1. Change the MySQL character set

When garbled characters appear when using mysql to export excel, it is usually because the character set of MySQL is different from the character set of Excel. caused. At this point we can change the character set of MySQL to the character set used by Excel, and then export the Excel file. The specific steps are as follows:

#首先查看当前MySQL的字符集
show variables like 'character_set_%';

#如果MySQL的字符集与Excel不一致，则将MySQL的字符集更改为Excel所使用的字符集，例如将MySQL的字符集更改为GBK
set character_set_database=gbk;

2. Use the correct file format

We need to ensure that the exported Excel file format is correct, for example, first export the csv file, then use Excel software to open it, and then convert the csv Save the file as Excel file format, so you can avoid garbled characters caused by incorrect Excel file format.

3. Modify the operating system language settings

If the operating system language settings are inconsistent, you can set the operating system language to Chinese, or you can set the default language of Excel to Chinese. The specific steps are as follows:

#修改Excel的默认语言设置为中文
1.打开Excel软件
2.点击菜单选项“文件”-“选项”-“语言”
3.在“选择编辑语言”中选择“中文(中国)”

#修改操作系统的语言设置为中文
1.打开“控制面板”
2.点击“时钟和区域”-“区域和语言”-“格式”-“更改日期、时间或数字格式”
3.将格式设置为中文(中国)，并保存

Summary

When garbled characters appear when exporting excel using mysql, we need to analyze the specific reasons and take appropriate measures to solve them. First, make sure that the character sets used by MySQL and Excel are consistent. Second, make sure that the format of the exported Excel file is correct. Finally, modify the language settings of the operating system according to the actual situation. Only in this way can we ensure that mysql exports to excel without garbled characters, and the data can be presented to us accurately.

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