mac mysql 乱码怎么办

在使用macOS10.15系统、Mysql5.7.26版、macbookpro2020电脑时，我们可能会遇到macmysql乱码的问题。那么该怎么解决呢？

首先，我们需要知道一些基本情况。网上很多帖子都说去/usr/local/mysql/support-files目录拷贝my-default.cnf到/etc/my.cnf然后和linux的修改方式就一样了，但是需要注意的是，Mac版MySQL在5.7.18之后在my-default.cnf就取消了，因此如果你的mysql版本是5.7.18及以后的版本，就找不到my-default.cnf这个文件了。

解决方法是在/etc下新建一个my.cnf文件，编辑这个文件，将以下代码复制到这个文件中：

# Example MySQL config file for medium systems.
#
# This is for a system with little memory (32M-64M) where MySQL plays
# an important part, or systems up to 128M where MySQL is used together with
# other programs (such as a web server)
#
# MySQL programs look for option files in a set of
# locations which depend on the deployment platform.
# You can copy this option file to one of those
# locations. For information about these locations, see:
# http://dev.mysql.com/doc/mysql/en/option-files.html#
#
# In this file, you can use all long options that a program supports.
# If you want to know which options a program supports, run the program
# with the "--help" option.
# The following options will be passed to all MySQL clients
[client]
default-character-set=utf8
#password=your_password
port=3306
socket=/tmp/mysql.sock
# Here follows entries for some specific programs
# The MySQL server
[mysqld]
character-set-server=utf8
init_connect='SET NAMES utf8'
port=3306
socket=/tmp/mysql.sock
skip-external-locking
key_buffer_size=16M
max_allowed_packet=1M
table_open_cache=64
sort_buffer_size=512K
net_buffer_length=8K
read_buffer_size=256K
read_rnd_buffer_size=512K
myisam_sort_buffer_size=8M
character-set-server=utf8
init_connect='SET NAMES utf8'
# Don't listen on a TCP/IP port at all. This can be a security enhancement,
# if all processes that need to connect to mysqld run on the same host.
# All interaction with mysqld must be made via Unix sockets or named pipes.
# Note that using this option without enabling named pipes on Windows
# (via the "enable-named-pipe" option) will render mysqld useless!
#
# skip-networking

# Replication Master Server (default)
# binary logging is required for replication
log-bin=mysql-bin

# binary logging format - mixed recommended
binlog_format=mixed

# required unique id between 1 and 2^32-1
# default to 1 if master-host is not set
# but will not function as a master if omitted
server-id=1

# Replication Slave (comment out master section to use this)
#
# To configure this host as a replication slave, you can choose between
# two methods:
#
# 1) Use the CHANGE MASTER TO command (fully described in our manual) -
# the syntax is:
#
# CHANGE MASTER TO
# MASTER_HOST='',
# MASTER_PORT=,
# MASTER_USER='',
# MASTER_PASSWORD='' ;
#
# where you replace , , by quoted strings and
# by the master's port number (3306 by default).
#
# Example:
#
# CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306,
# MASTER_USER='joe', MASTER_PASSWORD='secret';
#
# OR
#
# 2) Set the variables below. However, in case you choose this method, then
# start replication for the first time (even unsuccessfully, for example
# if you mistyped the password in master-password and the slave fails to
# connect), the slave will create a master.info file, and any later
# change in this file to the variables' values below will be ignored and
# overridden by the content of the master.info file, unless you shutdown
# the slave server, delete master.info and restart the slave server.
# For that reason, you may want to leave the lines below untouched
# (commented) and instead use CHANGE MASTER TO (see above)
#
# required unique id between 2 and 2^32-1
# (and different from the master)
# default to 2 if master-host is set
# but will not function as a slave if omitted
# server-id=2
#
# The replication master for this slave - required
# master-host =
#
# The username the slave will use for authentication when connecting
# to the master - required
# master-user =
#
# The password the slave will authenticate with when connecting to
# the master - required
# master-password =
#
# The port the master is listening on.
# optional - defaults to 3306
# master-port =
#
# binary logging - not required for slaves, but recommended
# log-bin=mysql-bin

# Uncomment the following if you are using InnoDB tables
# innodb_data_home_dir=/usr/local/mysql/data
# innodb_data_file_path=ibdata1:10M:autoextend
# innodb_log_group_home_dir=/usr/local/mysql/data
# You can set .._buffer_pool_size up to 50 - 80 %
# of RAM but beware of setting memory usage too high
# innodb_buffer_pool_size=16M
# innodb_additional_mem_pool_size=2M
# Set .._log_file_size to 25 % of buffer pool size
# innodb_log_file_size=5M
# innodb_log_buffer_size=8M
# innodb_flush_log_at_trx_commit=1
# innodb_lock_wait_timeout=50

[mysqldump]
quick
max_allowed_packet=16M

[mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
# safe-updates
default-character-set=utf8

[myisamchk]
key_buffer_size=20M
sort_buffer_size=20M
read_buffer=2M
write_buffer=2M

[mysqlhotcopy]
interactive-timeout

最后，重启下mysql服务即可。总的来说，处理方式和Linux下的基本一致，只是需要注意一些细节问题。如果还有其它相关问题，可以多关注php中文网的相关文章，加深自己的理解和掌握。

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