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php 数据库连接的例子

WBOYOriginal: 2016-05-26 15:22:041141browse

数据库连接代码一:

/* database config */ 
$db_host  = &#39;localhost&#39;; 
$db_user  = &#39;root&#39;; 
$db_pass  = &#39;123&#39;; 
$db_database = &#39;todo&#39;; 
/* end config */ 
$link = @mysql_connect($db_host,$db_user,$db_pass) or die(&#39;unable to establish a db connection&#39;); 
mysql_set_charset(&#39;utf8&#39;); 
mysql_select_db($db_database,$link);

数据库连接代码二:

error_reporting(e_all ^ e_notice); 
$db_host = &#39;&#39;; 
$db_user = &#39;&#39;; 
$db_pass = &#39;&#39;; 
$db_name = &#39;&#39;; 
@$mysqli = new mysqli($db_host, $db_user, $db_pass, $db_name); 
if (mysqli_connect_errno()) { 
    die(&#39;<h1>could not connect to the database</h1><h2>please try again after a few moments.</h2>&#39;); 
}
$mysqli->set_charset("utf8");

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