<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>加载数据</title> <script src="bootstrap/js/jquery-1.11.2.min.js"></script> </head> <body> <h1>加载数据</h1> <select id="nation"> </select> </body> <script type="text/javascript"> //一般把这段代码写在网页最下面,但是加上这句话可将该段写在网页中任意位置 $(document).ready(function(e) { //ready表示当页面加载完成后 $.ajax({ url:"sel.php", dataType:"TEXT", success: function(data){ var hang = data.split("|"); var str = ""; for(var i=0;i<hang.length;i++){ var lie = hang[i].split("^"); str = str+"<option value='"+lie[0]+"'>"+lie[1]+"</option>"; } $("#nation").html(str); } }); }); </script> </html>
其处理页面为:
<?php require_once "DBDA.class.php"; $db = new DBDA(); $sql = "select * from minzu"; $arr = $db->query($sql); //将数据转化成字符串 $str = ""; foreach($arr as $v){ $str = $str.implode("^",$v)."|"; } $str = substr($str,0,strlen($str)-1); echo $str;
或可在DBDA中扩展一个方法,使其直接返回一个字符串:
//返回字符串的方法 public function strquery($sql,$type=0){ $db = new MySQLi($this->host,$this->uid,$this->pwd,$this->dbname); $result = $db->query($sql); if($type){ return $result; }else{ $arr = $result->fetch_all(); $str = ""; foreach($arr as $v){ $str = $str.implode("^",$v)."|"; } $str = substr($str,0,strlen($str)-1); return $str; } }
这样处理页面只需直接调用即可:
<?php require_once "DBDA.class.php"; $db = new DBDA(); $sql = "select * from minzu"; echo $db->strquery($sql);