2017-02-21 116 views
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我想知道在CodeIgniter中加入查询中加入两个数据库的语法。 我没有办法加入两个数据库。 如果有人有想法,请分享。加入查询中在codeigniter中加入两个数据库的方式

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http://stackoverflow.com/问题/ 14159618/join-query-of-two-databases-in-codeigniter 请检查这个网址 – Shibon

+3

可能重复[在codeigniter中加入两个数据库查询](http://stackoverflow.com/questions/14159618/join -query-of-two-databases-in-codeigniter) – NID

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在此添加更多详情。也添加查询 –

回答

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首先是添加第二个数据库的设置与你的项目/配置/ database.php中文件

$db['default'] = array(
'dsn' => '', 
'hostname' => 'localhost', 
'username' => 'root', 
'password' => '', 
'database' => 'db1', 
    'dbdriver' => 'mysqli', 
'dbprefix' => '', 
'pconnect' => FALSE, 
'db_debug' => (ENVIRONMENT !== 'production'), 
'cache_on' => FALSE, 
'cachedir' => '', 
'char_set' => 'utf8', 
'dbcollat' => 'utf8_general_ci', 
'swap_pre' => '', 
'encrypt' => FALSE, 
'compress' => FALSE, 
'stricton' => FALSE, 
'failover' => array(), 
'save_queries' => TRUE); 



$db['defaultdb'] = array(
'dsn' => '', 
'hostname' => 'localhost', 
'username' => 'root', 
'password' => '', 
    'database' => 'dcz', 
'dbdriver' => 'mysqli', 
'dbprefix' => '', 
'pconnect' => FALSE, 
'db_debug' => (ENVIRONMENT !== 'production'), 
'cache_on' => FALSE, 
'cachedir' => '', 
'char_set' => 'utf8', 
'dbcollat' => 'utf8_general_ci', 
'swap_pre' => '', 
'encrypt' => FALSE, 
'compress' => FALSE, 
'stricton' => FALSE, 
'failover' => array(), 
'save_queries' => TRUE); 

然后添加代码,这些代码开始

$db1 = $this->load->database('defaultdb',TRUE); 

    $queryfromDB1 = $this->db->get('Table_name')->result(); 

    $queryfromDB2 = $db1->get('Table_name')->result();