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  1)PHPÌṩÁËÁ¬½ÓÊý¾Ý¿âµÄº¯Êý--mysqli_connect(agrs0,agrs1,agrs3)£¬ÎÒÃÇÖ±½ÓʹÓþͿÉÒÔÁË¡£
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      Á¬½ÓÊý¾Ý¿â£º
        $db = mysqli_connect('localhost','root','bbs');
      Ö´ÐÐSQLÓï¾ä£º
        $sql="set names utf8";  //²åÈëÊý¾ÝʱµÄͳһ±àÂë¸ñʽÃüÁî¡£
        mysqli_query('$db',$sql); //SQLÖ´ÐÐ
2)ÓÉÓÚIE¾Þ´óµÄÈÝ´íÄÜÁ¦ºÍPHPµÄÎÞ´íÎóÌáʾ£¬µ¼ÖÂÎÒÃÇÔÚÖ´ÐÐSQLÓï¾ä³ö´íʱ²»»áÏñJSPÒ»ÑùÃ÷È·µÄÌáʾÎÒÃÇ£¬ÎªÁËÎÒÃǵŤ×÷½øÕ¹¸ü˳Àû£¬ÕâʱÎÒÃǾÍÐèÒªÊÖ¶¯µÄÈÃÎÒÃǵĴíÎóÅ׳öÀ´£¬¾ßÌå´¦Àí·½Ê½ºÜÓÐÒÔϼ¸ÖÖ£º
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2.MYSQLÊý¾Ý¿âÂÒÂë´¦Àí
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  2) ÔÚPHP´úÂëÀï(²åÈëÊý¾ÝʱµÄÏÈÖ´ÐÐÕâ¾ä´úÂë)£º mysql_query("SET NAMES utf8");  //²åÈëÊý¾ÝµÄͳһ±àÂë¸ñʽÃüÁî¡£
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4.ÔÚPHPÀïÖ´ÐÐSQLÓï¾äʱµÄ×¢ÒâÊÂÏ
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  2) ÔÚPHPÀïµÄ SQLÓï¾ä²»»áÏñjsp ÀïÒ»Ñù»áͨ¹ý setString()À´×Ô¶¯Ê¶±ð±äÁ¿ÊÇ·ñΪ×Ö·û´®£¬ÓÉÓÚPHPÊÇÈõÓïÑÔ£¬ÎÒÃÇÐèÒª½«×Ö·û´®Êµ¼ÊµÄ±í´ï³öÀ´£¬¾ÍÊǽ«ÆäÓõ¥ÒýºÅÀ¨ÆðÀ´¡£
eg: '{$user['uName']}'
  3) PHPÀïµÄº¯ÊýÐèÒªÓõ½PHPÀﶨÒåµÄÈ«¾Ö±äÁ¿Ê±ÐèÒªÔÚÒýÓõĺ¯ÊýÀïÓÃglobalÉùÃ÷һϡ£eg: global $db;
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// µ¼ÈëÊý¾Ý¿âÁ¬½Ó lib_db.php Îļþ
include('lib_db.php');18:05:24
// Ìí¼ÓÓû§º¯Êý
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{
 global $db;
 $sql="insert into user value


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