主界面：
<head> <script src="../jquery-2.2.3.min.js"></script> </head> <body> <select id="sel"> </select> </body> <script type="text/javascript"> $(document).ready(function(e) { $.ajax({ url:"ChuLi.php", dataType:"JSON", success: function(data){ var str = ""; for(var k in data) { str+="<option value='"+data[k][0]+"'>"+data[k][1]+"</option>"; } $("#sel").html(str); } }); }); </script>
处理页面：
<?php include("../DBDA.php"); $db = new DBDA(); $sql = "select * from Nation"; $attr = $db->Query($sql); echo json_encode($attr);//JSON独有 ?>