Extjs PagingToolbar下拉框分页插件 Ext.namespace(’Ext.ui.plugins’); Ext.ui.plugins.ComboPageSize = function(config) { Ext.apply(this, config); }; Ext.extend(Ext.ui.plugins.ComboPageSize, Ext.util.Observable, { pageSizes: [25, 50, 100, 200, 500], prefixText: ‘每页显示’, postfixText: ‘条’, addToItem: true, //true添加到items中去,配合index;false则直接添加到最后 index: 10, //在items中的位置 init: function(pagingToolbar) { var ps = this.pageSizes; var combo = new Ext.form.ComboBox({ typeAhead: true, triggerAction: ‘all’, lazyRender: true, mode: ‘local’, width: 80, store: [...]