Error establishing a database connection
1、点开xampp里面的Volumes，找到下面的Explore，点击进入。
2、找到htdocs文件夹，点击进入。
3、找到wordpress文件夹，点击进入。
4、这时候你可以看到很多带".php"后缀的文件，随意复制一个。我复制的是wp-config-sample.php，之后用windows的记事本或者mac的文本编辑器打开，将里面的内容全部删掉。
5、将下面的这段代码全部复制进上一步打开的那个“.php“文件里。
<?php
/**
* The base configuration for WordPress
*
* The wp-config.php creation script uses this file during the
* installation. You don't have to use the web site, you can
* copy this file to "wp-config.php" and fill in the values.
*
* This file contains the following configurations:
*
* * MySQL settings
* * Secret keys
* * Database table prefix
* * ABSPATH
*
* @link https://codex.wordpress.org/Editing_wp-config.php
*
* @package WordPress
*/
// ** MySQL settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define( 'DB_NAME', 'mysql' );
/** MySQL database username */
define( 'DB_USER', 'root' );
/** MySQL database password */
define( 'DB_PASSWORD', '' );
/** MySQL hostname */
define( 'DB_HOST', 'localhost' );
/** Database Charset to use in creating database tables. */
define( 'DB_CHARSET', 'utf8mb4' );
/** The Database Collate type. Don't change this if in doubt. */
define( 'DB_COLLATE', '' );
/**#@+
* Authentication Unique Keys and Salts.
*
* Change these to different unique phrases!
* You can generate these using the {@link https://api.wordpress.org/secret-key/1.1/salt/ WordPress.org secret-key service}
* You can change these at any point in time to invalidate all existing cookies. This will force all users to have to log in again.
*
* @since 2.6.0
*/
define( 'AUTH_KEY', 'Qr6L0@Pg VbeFg`YABB_:olGY+]gE:x/$9i`EOgG,|WviTEh70d-n%V%ah*@jg`6' );
define( 'SECURE_AUTH_KEY', '04dmkzGF*RQM>{=rX;DX}rh>N^*5}/=oWcRB&Grvd*$h{%X+~3TbE[Ny9Y/!t>J~' );
define( 'LOGGED_IN_KEY', '6@^e(a!gc0sJg4j.th~JQ:qhrIZF[fL O@ovERp(9)NK-MNAXxr9e>w &B?e.N($' );
define( 'NONCE_KEY', 'reTi<W1uhz2GOj%R<+@J9]h-E0@[drW3EY`7/.(lFTLo2l]Eja,sN| wsUS-xTE*' );
define( 'AUTH_SALT', 's]bO^eO5 X(]Dj/XT{XkfUS;b-_P7-5erUYu&)ELF2fK2wn-{wuY%wx[Qn%lDtPu' );
define( 'SECURE_AUTH_SALT', 'OnLYvcFvR{><T7|@ECVU`e(.FG9kPkK`tXPnhbx#@5ywyl6he;:=:<}4i9g7^#/)' );
define( 'LOGGED_IN_SALT', 'oQ4Lh~+de_pb<^,=!pvt:2jmm!C|Zeq|j0U$wl22[cIVY956>*p(`.s>7.dHk9s|' );
define( 'NONCE_SALT', ' oHHlSp7Orxxq^o? ^#?o/1ljZi^aoI@|J%?= h0S%[;aW6>cjJ%H}}/:NSmCO>>' );
/**#@-*/
/**
* WordPress Database Table prefix.
*
* You can have multiple installations in one database if you give each
* a unique prefix. Only numbers, letters, and underscores please!
*/
$table_prefix = 'wp_';
/**
* For developers: WordPress debugging mode.
*
* Change this to true to enable the display of notices during development.
* It is strongly recommended that plugin and theme developers use WP_DEBUG
* in their development environments.
*
* For information on other constants that can be used for debugging,
* visit the Codex.
*
* @link https://codex.wordpress.org/Debugging_in_WordPress
*/
define( 'WP_DEBUG', false );
/* That's all, stop editing! Happy publishing. */
/** Absolute path to the WordPress directory. */
if ( ! defined( 'ABSPATH' ) ) {
define( 'ABSPATH', dirname( __FILE__ ) . '/' );
}
/** Sets up WordPress vars and included files. */
require_once( ABSPATH . 'wp-settings.php' );
6、找到这个文件顶部的“已编辑”，点开重命名为“wp-config.php“，回车保存。
7、做完这些之后，亲测Error establishing a database connection已消失。
