WEB/Test/Extjs/Data/ComboBox.htm

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<!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>
    <title></title>
        <link href="../../../UIFramkwork/ext-2.0.2/resources/css/ext-all.css" rel="stylesheet"
        type="text/css" />
    <script src="../../../UIFramkwork/ext-2.0.2/adapter/ext/ext-base.js" type="text/javascript"></script>
    <script src="../../../UIFramkwork/ext-2.0.2/ext-all.js" type="text/javascript"></script>
     <style type="text/css">
       
    </style>
</head>
<body>
 
</body>
<script type="text/javascript">
    Ext.onReady(function () {
        var citys = [
        [1, "霞山"],
        [2, "赤坎"],
        [3, "开发区"],
        [4, "坡头"],
        [5, "麻章"]
        ];

        var proxy1 = new Ext.data.MemoryProxy(citys);

        var City = Ext.data.Record.create([
        { name: "cid", type: "int", mapping: 0 },
            { name: "cname", type: "string", mapping: 1 }
        ]);

        var reader1 = Ext.data.ArrayReader({}, City);

//        var reader = Ext.data.ArrayReader({}, [
//            { name: "cid", type: "int", mapping: 0 },
//            { name: "cname", type: "string", mapping: 1 }
//        ]);

        var store1 = new Ext.data.Store({
            proxy: proxy1,
            reader: reader1,
            autoLoad:true 
        });


        var combobox = new Ext.form.ComboBox({
            renderTo: Ext.getBody(),
            triggerAction: "all",
            store: store1,
            displayField: "cname",
            valueField: "cid", 
            mode: "remote",
            emptyText: "请选择城市"

        });


        var btn = new Ext.Button({
            renderTo: Ext.getBody(),