Ext 简单定时任务

定时刷新 Store 

Ext.define('Bit.eui.docs.template.view.Index', {
    extend: 'Ext.panel.Panel',

    xtype: 'docs-template-index',
    viewModel: {},
    layout: 'border',
    cls: 'shadow-container',
    interval: null,
    items: [{
            xtype: 'docs-category-tree',
            region: 'west',
            width: 300,
            split: {
                collapsible: true
            }
        },
        {
            region: 'center',
            margin: '0 0 0 8px',
            cls: 'shadow-container',
            layout: 'border',
            split: {
                collapsible: true
            },
            items: [{
                    xtype: 'docs-template-grid',
                    region: 'center',
                    flex: 2,
                    margin: '0 0 8px 0',
                    listeners: {
                        afterrender: function() {
                            var me = this;
                            me.interval = setInterval(function() {
                                me.getStore() && me.getStore().load();
                            }, 20000);
                        },

                        destroy: function() {
                            var me = this;
                            if (me.interval != null) {
                                clearInterval(me.interval);
                                interval = null;
                            }
                        }
                    },
                }
            ]
        }

    ]
});