<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>ComboBox（下拉列表框）</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="../themes/default/easyui.css" type="text/css"></link>
<link rel="stylesheet" href="../themes/icon.css" type="text/css"></link>
<script type="text/javascript" src="../js/jquery.min.js"></script>
<script type="text/javascript" src="../js/jquery.easyui.min.js"></script>
<script type="text/javascript" src="../js/easyui-lang-zh_CN.js"></script>
</head>
<body>
<!--
城市：
<select id="cityID" class="easyui-combobox" name="city" style="200px;">
<option>aitem1</option>
<option>bitem2</option>
<option>bitem3</option>
<option>citem4</option>
<option>citem5</option>
<option>citem4</option>
<option>ditem5</option>
<option>ditem4</option>
<option>ditem5</option>
<option>ditem4</option>
<option>ditem5</option>
<option>eitem4</option>
<option>eitem5</option>
</select>
-->
城市：
<input id="cityID" name="city"/>
<script type="text/javascript">
//url表示请求的路径
//valueField表示传到服务器的值，看不见的
//textField表示页面中显示的值，看得见
$("#cityID").combobox({
url : "../json/city.json",
valueField :"id",
textField : "name"
});
</script>
<script type="text/javascript">
$(function(){
//为下拉组合框设置值
$("#cityID").combobox("setValue","长沙");
});
</script>
</body>
</html>
[
{
"id":1,
"name":"北京"
},
{
"id":2,
"name":"上海"
},
{
"id":3,
"name":"广州"
},
{
"id":4,
"name":"深圳"
},
{
"id":5,
"name":"武汉"
}
]