尊龙凯时人生就是搏

thinkphp5Ìí¼ÓÇóºÍÒªÁìµÄÁ÷³Ì

Ëæ×Å php ÊÖÒÕµÄÉú³¤ £¬Ô½À´Ô½¶àµÄ¿ª·¢Õß×îÏȹØ×¢ php ¿ò¼Ü £¬ÆäÖÐ thinkphp 5 ÊÇÒ»¿îÖÜÈ«µÄ php ¿ò¼Ü £¬ÌṩÁËÇ¿Ê¢µÄ¹¦Ð§ £¬ÔÚ¿ª·¢Àú³ÌÖÐïÔÌ­Á˳ÌÐò¿ª·¢Ö°Ô±µÄÊÂÇéÁ¿¡£¶øÆäÖеÄÇóºÍÒªÁìÊÇÐí¶à¿ª·¢Õß±ØÐè×öµÄÒ»¸ö²Ù×÷¡£ÔÚ±¾ÎÄÖÐ £¬ÎÒÃǽ«Ñ§Ï° thinkphp 5 ÖеÄÌí¼ÓÇóºÍÒªÁìµÄÁ÷³Ì¡£

µÚÒ»²½£º½¨Éè Model Îļþ

ÔÚ ThinkPHP 5 ÖÐ £¬ÎÒÃÇÐèÒª×Ô¼º½¨Éè Model ÎļþÀ´Íê³ÉÊý¾Ý²Ù×÷¡£ÎÒÃÇÐèÒªÔÚ application Ŀ¼ÏÂн¨Ò»¸öÃûΪ Sum.php µÄÎļþ £¬´úÂëÈçÏÂËùʾ£º

namespace app\index\model;
use think\Model;

class Sum extends Model
{
    // ÇóºÍÒªÁì
    public function sum()
    {
        $result = $this->sum('field');
        return $result;
    }
}

µÇ¼ºó¸´ÖÆ

ÔڸôúÂëÖÐ £¬ÎÒÃǽ¨ÉèÁËÒ»¸öÃûΪ Sum µÄ Model Îļþ £¬ÆäÖаüÀ¨ÁËÒ»¸ö sum ÒªÁì¡£¸ÃÒªÁìʹÓÃÁË sum º¯Êý¶ÔÖ¸¶¨×ֶΠfield ¾ÙÐÐÁËÇóºÍ²Ù×÷ £¬²¢·µ»ØÇóºÍЧ¹û¡£

µÚ¶þ²½£ºÉèÖÃÊý¾Ý¿âÅþÁ¬

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ÔÚ ThinkPHP 5 ÖÐ £¬ÎÒÃÇÐèÒªÔÚÉèÖÃÎļþÖÐÉèÖÃÊý¾Ý¿âÅþÁ¬¡£ÎÒÃÇÐèÒªÔÚ application Ŀ¼Ï嵀 database.php ÎļþÖоÙÐÐÉèÖà £¬´úÂëÈçÏÂËùʾ£º

return [
    // Êý¾Ý¿âÀàÐÍ
    'type'            => 'mysql',
    // Ð§ÀÍÆ÷µØµã
    'hostname'        => 'localhost',
    // Êý¾Ý¿âÃû
    'database'        => 'test',
    // Óû§Ãû
    'username'        => 'root',
    // ÃÜÂë
    'password'        => '',
    // ¶Ë¿Ú
    'hostport'        => '',
    // ÅþÁ¬dsn
    'dsn'             => '',
    // Êý¾Ý¿âÅþÁ¬²ÎÊý
    'params'          => [],
    // Êý¾Ý¿â±àÂëĬÈϽÓÄÉutf8
    'charset'         => 'utf8',
    // Êý¾Ý¿â±íǰ׺
    'prefix'          => 'tp_',
];

µÇ¼ºó¸´ÖÆ

ÔڸôúÂëÖÐ £¬ÎÒÃÇÉèÖÃÁËÊý¾Ý¿âµÄÅþÁ¬ÐÅÏ¢ £¬°üÀ¨Êý¾Ý¿âÀàÐÍ¡¢Ð§ÀÍÆ÷µØµã¡¢Êý¾Ý¿âÃû¡¢Óû§ÃûºÍÃÜÂëµÈ¡£È·±£¸ÃÉèÖúÍÄãµÄÊý¾Ý¿âÅþÁ¬ÐÅÏ¢Ò»Ö¡£

µÚÈý²½£ºÊ¹Óà Model Îļþ¾ÙÐвÙ×÷

ÔÚÉèÖúà Model ÎļþºÍÊý¾Ý¿âÅþÁ¬Ö®ºó £¬ÎÒÃǾͿÉÒÔʹÓà Model Îļþ¶ÔÊý¾Ý¿â¾ÙÐвÙ×÷ÁË¡£´úÂëÈçÏÂËùʾ£º

use app\index\model\Sum;

$sum = new Sum();
$result = $sum->sum();
echo $result;

µÇ¼ºó¸´ÖÆ

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½áÂÛ

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