前端之家收集整理的这篇文章主要介绍了
Dwr之util.js，
前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
<script type="text/javascript" src="dwr/engine.js"></script>
<script type="text/javascript" src="dwr/util.js"></script>
<script type="text/javascript">
var cityArraySimple = [ '北京','海口','乌鲁木齐' ];
var cityArray = [ {
name : '重庆',id : 'cq'
},{
name : '成都',id : 'cd'
},{
name : '大连',id : 'dl'
} ];
function fillSelect() {
dwr.util.addOptions("select1",cityArraySimple);
dwr.util.addOptions("select2",cityArray,"name");
dwr.util.addOptions("select3","id","name");
}
function removeSelect() {
dwr.util.removeAllOptions("select1");
dwr.util.removeAllOptions("select2");
dwr.util.removeAllOptions("select3");
}
</script>
</head>
<body>
数组：<select id="select1" style="width: 100px;"></select><br />
数组(指定text)：<select id="select2" style="width: 100px;"></select><br />
数组(指定text和value)：<select id="select3" style="width: 100px;"></select><br />
<input type="button" value="填充下拉列表" onclick="fillSelect();">
<input type="button" value="移除下拉列表" onclick="removeSelect();">
</body>
</html>
