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<?php class DBDA { public $host = "localhost" ; public $uid = "root" ; public $pwd = "123" ; public $dbname = "mydb" ; //成员方法 public function Query( $sql , $type =1) { $db = new MySQLi( $this ->host, $this ->uid, $this ->pwd, $this ->dbname); $r = $db ->query( $sql ); if ( $type ==1) { return $r ->fetch_all(); } else { return $r ; } } //返回字符串的方法 public function StrQuery( $sql , $type =1) { $db = new MySQLi( $this ->host, $this ->uid, $this ->pwd, $this ->dbname); $r = $db ->query( $sql ); if ( $type ==1) { $attr = $r ->fetch_all(); $str = "" ; foreach ( $attr as $v ) { $str .= implode( "^" , $v ). "|" ; } return substr ( $str ,0, strlen ( $str )-1); } else { return $r ; } } //返回JSON function JSONQuery( $sql , $type =1) { $db = new MySQLi( $this ->host, $this ->uid, $this ->pwd, $this ->dbname); $r = $db ->query( $sql ); if ( $type ==1) { return json_encode( $r ->fetch_all(MYSQLI_ASSOC)); } else { return $r ; } } } |
以上这篇PHP封装返回Ajax字符串和JSON数组的方法就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。