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每个模型类采用 独立的数据库实例避免混淆

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thinkphp
2016-05-05 11:33:32 +08:00
parent fd72a3006c
commit 544e3ea833
3 changed files with 24 additions and 18 deletions
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21
library/think/Db.php
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@@ -28,23 +28,30 @@ class Db
* @static
* @access public
* @param mixed $config 连接配置
* @return Object 返回数据库驱动类
* @param bool|string $name 连接标识 true 强制重新连接
* @return \think\db\Connection
*/
public static function connect($config = [])
public static function connect($config = [], $name = false)
{
$md5 = md5(serialize($config));
if (!isset(self::$instances[$md5])) {
if (false === $name) {
$name = md5(serialize($config));
}
if (true === $name || !isset(self::$instances[$name])) {
// 解析连接参数 支持数组和字符串
$options = self::parseConfig($config);
if (empty($options['type'])) {
throw new Exception('db type error');
}
$class = (!empty($options['namespace']) ? $options['namespace'] : '\\think\\db\\connector\\') . ucwords($options['type']);
self::$instances[$md5] = new $class($options);
$class = (!empty($options['namespace']) ? $options['namespace'] : '\\think\\db\\connector\\') . ucwords($options['type']);
// 记录初始化信息
APP_DEBUG && Log::record('[ DB ] INIT ' . $options['type'] . ':' . var_export($options, true), 'info');
if (true === $name) {
return new $class($options);
} else {
self::$instances[$name] = new $class($options);
}
}
return self::$instances[$md5];
return self::$instances[$name];
}
/**