說明:

1. 運行環(huán)境: Mac OS X 10.11.4 (Mac 已經(jīng)自帶 Apache, PHP)

2. 相關(guān)文件夾:

/etc/apache2/ ? ? ##Apache 配置文件夾

/Library/WebServer/Documents/ ? ?##Apache?默認(rèn)站點

/usr/local/mysql-5.7.11-osx10.9-x86_64 ? ? ?##mysql安裝路徑

/private/php.ini.default ? ? ?##php的配置文件: 如配置 mysql.sock

>>問題原因:

For some reason mysql on OS X gets the locations of the required socket file a bit wrong, but thankfully the solution is as simple as setting up a symbolic link.

You may have a socket (appearing as a zero length file) as /tmp/mysql.sock or /var/mysql/mysql.sock but 1 or more apps is looking in the other location for it.

大神解釋說: PHP 在 MySQL socket 方面, 默認(rèn)的配置有問題. 那么現(xiàn)在只要修改 PHP 的配置文件, 配置正確的 MySQL socket 路徑就可以了.

>>解決方案:

1. 獲取當(dāng)前?mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket 配置信息

建立一個 PHP 文件, 顯示 phpinfo():

echo phpinfo();

用瀏覽器打開:

在此頁面，找到mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket信息:

2. 獲取 Mac MySQL socket 路徑

通過控制臺進入 MySQL, 輸入命令: STATUS, 查找 UNIX socket 值

? / mysql -u root -p

Enter password:

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 8

Server version: 5.7.11 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.

mysql> STATUS

--------------

mysql Ver 14.14 Distrib 5.7.11, for osx10.9 (x86_64) using EditLine wrapper

Connection id:8

Current database:

Current user:root@localhost

SSL:Not in use

Current pager:less

Using outfile:‘‘

Using delimiter:;

Server version:5.7.11 MySQL Community Server (GPL)

Protocol version:10

Connection:Localhost via UNIX socket

Server characterset:utf8

Db characterset:utf8

Client characterset:utf8

Conn. characterset:utf8

UNIX socket:/tmp/mysql.sock

Uptime:8 days 15 hours 1 min 17 sec

Threads: 2 Questions: 21 Slow queries: 0 Opens: 114 Flush tables: 1 Open tables: 0 Queries per second avg: 0.000

--------------

3. 這時候, 你對比?mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket?和 通過?MySQL UNIX socket?發(fā)現(xiàn)不一樣, 這就是?mysql_connect();?警告的原因: PHP 配置 mysql 有問題.

4. 重新配置 PHP, 打開php.ini(默認(rèn)位置是: /private/etc/php.ini )

cd /private/etc/

chmod +rwx php.ini ##修改文件權(quán)限

vim php.ini

之后修改mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket 的值為:?/tmp/mysql.sock

(一共修改三處，分別為：mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket)

注意:

若用 vim php.ini 打開的文件為空(我操作的時候, 就是這樣), 說明沒有 php.ini 這個文件

這個時候, 你瀏覽 /etc/ 文件夾下, 會有 php.ini.default 文件, 復(fù)制 php.ini.default 重命名為 php.ini , 再用 vim 修改文件內(nèi)容

cd /private/etc/

cp php.ini.default php.ini ##復(fù)制 php.ini.default, 并且重命名

chmod +rwx php.ini ##修改文件權(quán)限

vim php.ini

5,重啟apache

sudo apachectl restart ##重啟 apache

總結(jié)

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