【MacOS】mysql安装配置

官网下载：https://www.mysql.com/downloads/
选择MySQL Community (GPL) Downloads

MySQL Community Server

选择5.7.31版本（5.7系列只有31之前才有macOS版）
！注意！下载dmg格式那个，系统选择macOS别忘了

接下来按提示安装没什么问题，注意如果遇到Use Legacy Password Encryption 和Use Strong Password Encryption的选择，一定选前者，兼容性更强
【一定要记住给到你的初始密码root@localhost: xxxxxxxxxx
】

然后打开系统偏好设置看到图标，点进去，start

添加路径

官网说明中：从5.7.18开始不在二进制包中提供my-default.cnf文件【5.7.18前的版本可以检查一下 etc 目录下是否存在，如果 etc 目录下没有 my.cnf，可以找找安装包中有没有提供 my-default.cnf，有的话拷贝到 etc 目录下，并且修改文件名为 my.cnf】

进入终端,etc下新建my.cnf

sudo vim /etc/my.cnf

在 vim 编辑器中点击 i 进入编辑模式【左下角显示为 -INSERT-】，输入以下内容

# 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
# defaults 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 slaver 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)
# defaults 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

编辑完成后，点击 esc 进入末行模式，输入法必须是英文模式，输入 :wq 进行保存

设置文件权限

sudo chmod 664 /etc/my.cnf

重启MySQL服务，在【系统偏好设置】-【MySQL】关闭服务，在打开即可

终端输入

vim ~/.zshrc

（如果终端类型为bash，把zshrc改为bash_profile）
把MySQL的安装bin目录加入到环境变量中，在末尾添加

PATH=$PATH:/usr/local/mysql-5.7.31-macos10.14-x86_64/bin

在输入法英文模式下，点击 esc 进入末行模式输入 :wq 保存配置

！【重新读取环境变量】这一步很重要

source ~/.zshrc

命令进入

mysql -uroot -p

输入安装时那个默认的密码

mysql内改密码操作：
【加粗为密码，根据自身需求修改】

1：SET PASSWORD FOR ‘root’@‘localhost’ = PASSWORD(‘yourpassword’);

2：FLUSH PRIVILEGES;

然后使用 Navicat 等第三方工具连接 MySQL 后就可以使用MySQL了

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【MacOS】mysql安装配置

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