PHP連接不上MySQL解決方案總結(jié)
2019-08-06 08:15:45
11431
1. 獲取當(dāng)前 mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket 配置信息
建立一個(gè) PHP 文件, 顯示 phpinfo():
用瀏覽器打開:

在此頁(yè)面,找到mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket信息:



2. 獲取 MySQL socket 路徑
通過控制臺(tái)進(jìn)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 8Server 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: 8Current database:
Current user: root@localhost
SSL: Not in use
Current pager: lessUsing outfile: ‘‘
Using delimiter: ;
Server version: 5.7.11 MySQL Community Server (GPL)
Protocol version: 10Connection: 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(shí)候, 你對(duì)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修改mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket 的值為: /tmp/mysql.sock
pdo_mysql.default_socket=/tmp/mysql.sock
mysql.default_socket=/tmp/mysql.sock
mysqli.default_socket=/tmp/mysql.sock
或者修改my.cnf的socket:
[client]
socket=/tmp/mysql.sock
[mysqld]
socket=/tmp/mysql.sock
5.重啟nginx或者apache