一、開啟mac控制檯

$ brew install mysql 

二、啟動mysql服務

$ mysql.server start

三、初始化mysql配置

$ mysql_secure_installation

 1 cometdeMacBook-Pro:~ comet$ mysql_secure_installation
 2 
 3 Securing the MySQL server deployment.
 4 
 5 Connecting to MySQL using a blank password.
 6 
 7 VALIDATE PASSWORD PLUGIN can be used to test passwords
 8 and improve security. It checks the strength of password
 9 and allows the users to set only those passwords which are
10 secure enough. Would you like to setup VALIDATE PASSWORD plugin?
11 
12 Press y|Y for Yes, any other key for No: N   // 這個選yes的話密碼長度就必須要設定為8位以上，但我只想要6位的
13 Please set the password for root here.
14 
15 New password:            　// 設定密碼
16 
17 Re-enter new password:     // 再一次確認密碼
18 By default, a MySQL installation has an anonymous user,
19 allowing anyone to log into MySQL without having to have
20 a user account created for them. This is intended only for
21 testing, and to make the installation go a bit smoother.
22 You should remove them before moving into a production
23 environment.
24 
25 Remove anonymous users? (Press y|Y for Yes, any other key for No) : Y    // 移除不用密碼的那個賬戶
26 Success.
27 
28 
29 Normally, root should only be allowed to connect from
30 'localhost'. This ensures that someone cannot guess at
31 the root password from the network.
32 
33 Disallow root login remotely? (Press y|Y for Yes, any other key for No) : n　　//不接受root遠端登入賬號
34 
35  ... skipping.
36 By default, MySQL comes with a database named 'test' that
37 anyone can access. This is also intended only for testing,
38 and should be removed before moving into a production
39 environment.
40 
41 
42 Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y　　//刪除text資料庫
43  - Dropping test database...
44 Success.
45 
46  - Removing privileges on test database...
47 Success.
48 
49 Reloading the privilege tables will ensure that all changes
50 made so far will take effect immediately.
51 
52 Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y
53 Success.
54 
55 All done!