<!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);
原文地址：https://www.cnblogs.com/maoqiaoyu123/p/8371348.html
时间： 2024-08-02 07:07:45