Dojo获取下拉框的文本和值实例代码
Dojo
Dojo是一个用javascript语言实现的开源DHTML工具包。它是在几个项目捐助基础上建立起来的(nWidgets,Burstlib,f(m)),这也是为什么叫它a"unified"toolkit的原因。Dojo的目标是解决开发DHTML应用程序遇到的那些,长期存在、历史问题(historicalproblemswithDHTML)。跨浏览器问题。
1、问题背景
这里有一个下拉框,其中选项为一年四季,选中后打印下拉框的值和文本
2、实现源码
<!DOCTYPEhtml>
<html>
<head>
<metacharset="utf-8"/>
<title>dojo-获取下拉框的值和文本</title>
<linkrel="stylesheet"href="js/dojo/dijit/themes/claro/claro.css"/>
<scripttype="text/javascript"src="js/jquery-1.12.4.js"></script>
<scripttype="text/javascript"src="js/dojo/dojo/dojo.js"></script>
<style>
#season{
width:200px;
}
</style>
<script>
dojoConfig={async:true,parseOnLoad:true}
</script>
<script>
require([
"dojo/store/Memory","dijit/form/FilteringSelect","dojo/domReady!"
],function(Memory,FilteringSelect){
varseasonStore=newMemory({
data:[
{name:"春季",id:"spring"},
{name:"夏季",id:"summer"},
{name:"秋季",id:"autumn"},
{name:"冬季",id:"winter"}
]
});
varseasonSelect=newFilteringSelect({
id:"season",
name:"season",
value:"spring",
store:seasonStore,
searchAttr:"name"
},"season").startup();
});
</script>
</head>
<bodyclass="claro">
<inputid="season"/><br>
<buttonid="valueBtn"onclick="alert(dijit.byId('season').get('value'))">获取下拉框value</button>
<buttonid="textBtn"onclick="alert(dijit.byId('season').get('displayedValue'))">获取下拉框text</button>
</body>
</html>
3、实现结果
(1)初始化时
(2)点击“获取下拉框value”按钮
(3)点击“获取下拉框text”按钮