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extjs_09_自定义分页组件

2024-07-11 01:15:39   217人阅读


1.项目截图

2.CustomSizePagingToolbar.js

Ext.define("Ext.ux.CustomSizePagingToolbar", {// 定义的名字要和文件的名字大小写一样
	extend : "Ext.toolbar.Paging",
	alias : "widget.custompaging",// 别名
	beforSizeText : "每页",
	afterSizeText : "条",
	getCustomItems : function() {
		var me = this;
		// 自定义customComStore
		var customComStore = Ext.create("Ext.data.JsonStore", {
			fields : [ "customPageSize" ],
			data : [ {
				customPageSize : "10"
			}, {
				customPageSize : "20"
			}, {
				customPageSize : "50"
			}, {
				customPageSize : "100"
			} ]
		})
		// 自定义customComboBox
		var customComboBox = Ext.create("Ext.form.field.ComboBox", {
			itemId : "customComboId",
			store : customComStore,
			queryMode : "local",
			displayField : "customPageSize",
			valueField : "customPageSize",
			enableKeyEvents : true,// 感应键盘事件
			width : 60,
			listeners : {
				scope : me,// 作用域
				select : me.onCustomSelect,
				keydown : me.onCustomKeyDown,
				blur : me.onCustomBlur
			}
		});
		// - 表示分割线,> 表示右边显示
		return [ "-", me.beforSizeText, customComboBox, me.afterSizeText ];
	},
	onCustomSelect : function(combo, records, eOpts) {// 选择事件触发
		var me = this;
		me.store.pageSize = records[0].data.customPageSize;
		me.store.loadPage(1);// 默认加载第一页
	},
	onCustomKeyDown : function(field, e, eOpts) {// 按键事件触发
		var me = this;
		var k = e.getKey();
		if (k == e.ENTER) {
			e.stopEvent();// 停止其他事件
			me.store.pageSize = me.child("#customComboId").getValue();
			me.store.loadPage(1);
		}
	},
	onCustomBlur : function(combo, the, eOpts) {// 失去焦点事件
		var me = this;
		me.child("#customComboId").setValue(me.store.pageSize);
	},
	// 初始化界面组件
	initComponent : function() {
		var me = this;
		Ext.apply(me, {// 应用、附加
			items : me.getCustomItems()
		});
		me.callParent(arguments);
		me.child("#customComboId").setValue(me.store.pageSize);// 初始化赋值
	}
})

3.custompaging.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>

<title>自定义分页组建</title>

<!-- 引入样式，可以把ext-all.css换成ext-all-access.css |  ext-all-gray.css改变样式-->
<link rel="stylesheet" type="text/css" href=http://www.mamicode.com/"./extjs4.1/resources/css/ext-all.css">>


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