PHP 23rd session

Xml

XML: Passing data between pages, passing across platforms

HTML: Hypertext Markup Language, core tags

XML Features:
1. Tag name can be defined by itself
2. There is only one root
3. Case sensitive
4. The label must be complete

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">

<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>
<title> Untitled Document </title>
<script src= ". /jquery-1.11.2.min.js "></script>

<body>
<select id= "SEL" >
</select>
</body>
<script type= "Text/javascript" >
$ (document). Ready (function (e) {

$.ajax ({
URL: "chuli.php",
DataType: "JSON",
Success:function (data) {

alert (data);
var str = "";
For (var k in data)
{
str+= "<option value= '" +data[k][0]+ ">" +data[k][1]+ "</option>";
}

$ ("#sel"). html (str);

}
});

});
</script>

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">

<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>
<title> Untitled Document </title>
<script src= ". /jquery-1.11.2.min.js "></script>

<body>
<select id= "SEL" ></select>
</body>
<script type= "Text/javascript" >
$ (document). Ready (function (e) {

$.ajax ({
URL: "chulixml.php",
DataType: "XML",
Success:function (data) {

var ch = $ (data). Find ("Nation"). Children ();
var str = "";
for (Var i=0;i<ch.length;i++)
{
var code = $ (Ch[i]). Find ("code"). Text ();
var name = $ (ch[i]). Find ("name"). Text ();

str+= "<option value= '" +code+ ">" +name+ "</option>";
}
$ ("#sel"). html (str);

}
});
});
</script>

<?php
Include (".. /dbda.php ");
$db = new Dbda ();

$sql = "SELECT * from Nation";

$attr = $db->query ($sql);

echo "<nation>";

foreach ($attr as $k = $v)
{
echo "<shuju{$k}>";

echo "<code>{$v [0]}</code>";
echo "<name>{$v [1]}</name>";

echo "</shuju{$k}>";
}

echo "</nation>";

<?php

Include (".. /dbda.php ");
$db = new Dbda ();

$sql = "SELECT * from Nation";
$attr = $db->query ($sql);

echo Json_encode ($attr);

?>

PHP 23rd session