DHtmlX中combo的基础使用

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DHtmlX中combo的使用

combo:比select高级的下拉框

需要的资源：
官方下载地址

参考文档
官方文档,流程

3步创建简单combo

1.连接样式和脚本

<link rel="STYLESHEET" type="text/css" href="dhtmlxCombo/dhtmlxcombo.css" ><script type="text/javascript" src="dhtmlxCombo/dhtmlxcombo.js"></script>

把css和js放在dhtmlxCombo文件夹下

(也可以直接连CDN,也就是连接官网上，只需要改 href=”http://cdn.dhtmlx.com/edge/dhtmlx.css”
src=”http://cdn.dhtmlx.com/edge/dhtmlx.js”
)

2.body定义容器(通常用div,select也可以)

<select  id="combo_1" name="combo_1">    <option value="1">a00</option>    <option value="2">a01</option></select>

或

<div id="combo_1" name="combo_1"></div>

3.根据id创建combo

<script type="text/javascript">  //当容器为select时  //var myCombo = dhtmlXComboFromSelect("combo_1","combo_1");  //当容器为div时  var myCombo = new dhtmlXCombo("combo_1","combo_1");</script>

注:一定要在容器加载完后再new combo

Combo构造器

new dhtmlXCombo(parent,name,width,type,index,filter,xml,readonly);

parent HTML元素的id，它将用作用途·父类(或对象本身)
name HTML元素的name
width combo的宽度,像素(px)为单位(String)
type combo选项使用的类型(可选)
index
filter
xml
readonly

加载数据

用combo.addOption(value,label,css,img_src);

value (String) 选项的id
label (String)选项的值
css (String)附加的样式(可选)
img_src (String)选项图标图像的路径

demo

<%@ page language="java" contentType="text/html; charset=utf-8"    pageEncoding="utf-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>Insert title here</title><!--     <link rel="STYLESHEET" type="text/css" href="dhtmlxCombo/dhtmlxcombo.css" >    <script type="text/javascript" src="dhtmlxCombo/dhtmlxcombo.js"></script>     -->    <link rel="stylesheet" href="http://cdn.dhtmlx.com/edge/dhtmlx.css"     type="text/css">     <script src="http://cdn.dhtmlx.com/edge/dhtmlx.js"     type="text/javascript"></script>    <style type="text/css">        body {            background-color:#112233                }       </style>    <script type="text/javascript">    function init(){        //普通combo+带样式        var myCombo = new dhtmlXCombo("combo_1",null,"100px");        myCombo.addOption("1","text1",null,null,true);        myCombo.addOption("2","text2");        myCombo.addOption("3","text3","color:red");        //加图片combo        var myCombo1 = new dhtmlXCombo("combo_2",null,"100px","image");        myCombo1.addOption("1","text1",null,"imgs/1.png",true);        myCombo1.addOption("2","text2",null,"imgs/2.png");        myCombo1.addOption("3","text3",null,"imgs/3.png");        //加checkbox的combo        var myCombo2 = new dhtmlXCombo("combo_3",null,"100px","checkbox");        myCombo2.addOption("1","text1",null,null,true);        myCombo2.addOption("2","text2");        myCombo2.addOption("3","text3");        //combo添加数据另一种格式        var myCombo = new dhtmlXCombo("combo_4",null,"100px");        myCombo.addOption([            ["1","text1",null,null,true],            ["2","text2"],            ["3","text3"]        ]);    }    </script></head><body onload="init();">    <h3>普通combo+带样式</h3>    <div id="combo_1"></div>    <h3>加图片combo</h3>    <div id="combo_2"></div>    <h3>加checkbox的combo</h3>    <div id="combo_3"></div>    <h3>combo添加数据另一种格式</h3>    <div id="combo_4"></div></body></html>

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