返回顶部

利用mysqldump命令导出为csv格式文件

解决方法

先导出为txt文件,其内容是以逗号“,”分隔的,得到txt文件后,再自行处理为.csv或者.xls文件。

参数说明:

-t, --no-create-info   Don't write table creation info.

-T, --tab=name Create tab-separated textfile for each table to given path. (Create .sql and .txt files.)  NOTE: This only works if mysqldump is run on the same machine as the mysqld server.

--fields-terminated-by=name  Fields in the output file are terminated by the given string.

--fields-enclosed-by=name   Fields in the output file are enclosed by the given character.

 

1. 先查看可导出位置(不然会涉及到权限问题)

mysql> show variables like 'secure_file_priv';
+------------------+-----------------------+
| Variable_name    | Value                 |
+------------------+-----------------------+
| secure_file_priv | /var/lib/mysql-files/ |   //如果出现权限问题,尝试把该目录所有者改成mysql
+------------------+-----------------------+
1 row in set (0.00 sec)

2. 执行导出命令

[root@server-10 ~]# mysqldump -uroot -p -t -T /var/lib/mysql-files/  mydb customers  --fields-terminated-by=',' --fields-enclosed-by='\"'

3. 查看一下

复制代码
[root@server-10 ~]# ls -l /var/lib/mysql-files/
total 4
-rw-r--r-- 1 root  root    0 Aug 28 15:35 customers.sql    //会同步生成同名sql文件,内容为空
-rw-rw-rw- 1 mysql mysql 458 Aug 28 15:35 customers.txt
[root@server-10 ~]# cat /var/lib/mysql-files/customers.txt 
"10001","Coyote Inc.","200 Maple Lane","Detroit","MI","44444","USA","Y Lee","ylee@coyote.com"
"10002","Mouse House","333 Fromage Lane","Columbus","OH","43333","USA","Jerry Mouse",\N
"10003","Wascals","1 Sunny Place","Muncie","IN","42222","USA","Jim Jones","rabbit@wascally.com"
"10004","Yosemite Place","829 Riverside Drive","Phoenix","AZ","88888","USA","Y Sam","sam@yosemite.com"
"10005","E Fudd","4545 53rd Street","Chicago","IL","54545","USA","E Fudd",\N
复制代码

4. 如果不想每个字段带冒号,则省略--fields-enclosed-by='\"'即可

[root@server-10 ~]# mysqldump -uroot -p -t -T /var/lib/mysql-files/  mydb customers  --fields-terminated-by=','

5. 再查看一下输出的变化

复制代码
[root@server-10 ~]# ls -l /var/lib/mysql-files/
total 4
-rw-r--r-- 1 root  root    0 Aug 28 15:35 customers.sql
-rw-rw-rw- 1 mysql mysql 372 Aug 28 15:36 customers.txt
[root@server-10 ~]# cat /var/lib/mysql-files/customers.txt 
10001,Coyote Inc.,200 Maple Lane,Detroit,MI,44444,USA,Y Lee,ylee@coyote.com
10002,Mouse House,333 Fromage Lane,Columbus,OH,43333,USA,Jerry Mouse,\N
10003,Wascals,1 Sunny Place,Muncie,IN,42222,USA,Jim Jones,rabbit@wascally.com
10004,Yosemite Place,829 Riverside Drive,Phoenix,AZ,88888,USA,Y Sam,sam@yosemite.com
10005,E Fudd,4545 53rd Street,Chicago,IL,54545,USA,E Fudd,\N
复制代码

 

 

结束.

posted @   Adrian·Ding  阅读(18906)  评论(2编辑  收藏  举报
编辑推荐:
· go语言实现终端里的倒计时
· 如何编写易于单元测试的代码
· 10年+ .NET Coder 心语,封装的思维:从隐藏、稳定开始理解其本质意义
· .NET Core 中如何实现缓存的预热?
· 从 HTTP 原因短语缺失研究 HTTP/2 和 HTTP/3 的设计差异
阅读排行:
· Ollama——大语言模型本地部署的极速利器
· 使用C#创建一个MCP客户端
· 分享一个免费、快速、无限量使用的满血 DeepSeek R1 模型,支持深度思考和联网搜索!
· ollama系列1:轻松3步本地部署deepseek,普通电脑可用
· 按钮权限的设计及实现
点击右上角即可分享
微信分享提示