深圳网站建设现,网站建设岗位将来有什么发展,郑州七彩网站建设公司怎么样,网站与app的本质区别1.背景
linux中mysql8默认的字符集是latin1#xff0c;在插入中文时会报错#xff0c;所以一般在配置好mysql时需要修改字符集为utf8【又叫utfmb3,一般开发够用#xff0c;一个字符用3个字节表示】或者utfmb4【一个字符用4个字节表示#xff0c;如果存储emoji表情#xf…1.背景
linux中mysql8默认的字符集是latin1在插入中文时会报错所以一般在配置好mysql时需要修改字符集为utf8【又叫utfmb3,一般开发够用一个字符用3个字节表示】或者utfmb4【一个字符用4个字节表示如果存储emoji表情必须用utfmb4】 1366 - Incorrect string value: xE4 xBA xBA(xE7 x94 x9F’ for column ‘book name’ at row 1 查看当前数据库的字符集
mysql show variables like %character%;
------------------------------------------------------
| Variable_name | Value |
------------------------------------------------------
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | latin1 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
------------------------------------------------------
8 rows in set (0.00 sec)
发现默认是latin1
2. 修改字符串为utf8
修改/etc/my.cnf配置文件重启mysql重新查看字符集
2.1 修改/etc/my.cnf配置文件
[rootVM-4-6-centos /]# cd etc
[rootVM-4-6-centos etc]# vim my.cnf进入到编辑页面 保存并退出 2.2 重启mysql
systemctl restart mysqld.service
2.3 重新查看字符集
mysql show variables like %character%;
------------------------------------------------------
| Variable_name | Value |
------------------------------------------------------
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | utf8 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | utf8 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
------------------------------------------------------
8 rows in set (0.00 sec)
大功告成
