extjs调用reconfigure后如何同时更新bbar导航条-博客-最代码

元明清 2016-10-25 16:52:53

extjs调用reconfigure后如何同时更新bbar导航条

今天遇到的问题，调用reconfigure如果不对bbar进行相关处理，bbar显示的还是上一次的信息。代码参考的网上的。主要是调用reconfigure之后，通过bar.bindStore(newcheckStore);进行处理。

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Ext4 Ext.grid.Panel调用reconfigure后如何同时更新bbar导航条</title>
<link rel="stylesheet" type="text/css" href="../../resources/css/ext-all.css" />
<link rel="stylesheet" type="text/css" href="../shared/example.css" />
<script type="text/javascript" src="../../ext-all.js"></script>
<script type="text/javascript">
    Ext.onReady(function () {
        Ext.define('User1', {
            extend: 'Ext.data.Model',
            fields: ['name', 'addr']
        });
        Ext.define('User2', {
            extend: 'Ext.data.Model',
            fields: ['name', 'addr', 'age', 'sex']
        });
        var store = Ext.create('Ext.data.Store', {
            model: 'User1',
            data: { total: 2, users: [{ name: 'name1', addr: 'addr1' }, { name: 'name2', addr: 'addr2'}] },
            proxy: {
                type: 'memory',
                reader: {
                    type: 'json',
                    root: 'users'
                }
            }
        });
        var pageBar = Ext.create('Ext.PagingToolbar', {
            store: store,
            displayInfo: true,
            displayMsg: '当前显示第 {0} - {1} 条，总共 {2}条',
            emptyMsg: "没有数据"
        });
        var grid = Ext.create('Ext.grid.Panel', {
            store: store,
            width:500,
            columns: [{ dataIndex: 'name' }, { dataIndex: 'addr'}],
            renderTo: document.body,
            bbar: pageBar
        });
        Ext.get('btnRE').on('click', function () {
            reconfigure(grid, pageBar);
        });
    });
    function reconfigure(grid,bar) {
        var store = Ext.create('Ext.data.Store', {
            model: 'User2',
            data: { total: 4, users: [
            { name: 'name1', addr: 'addr1', age: 'age1', sex: 'sex1' },
            { name: 'name2', addr: 'addr2', age: 'age2', sex: 'sex2' },
            { name: 'name3', addr: 'addr3', age: 'age3', sex: 'sex3' },
            { name: 'name4', addr: 'addr4', age: 'age4', sex: 'sex4'}]
            },
            proxy: {
                type: 'memory',
                reader: {
                    type: 'json',
                    root: 'users'
                }
            }
        });
        grid.reconfigure(store, [{ dataIndex: 'name' }, { dataIndex: 'addr' }, { dataIndex: 'age' }, { dataIndex: 'sex'}]);
        bar.bindStore(store);
        bar.doRefresh()
    }
</script>
</head>
<body>
<input type="button" value="reconfigure" id="btnRE" />
</body>
</html>

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