DWR中的util.js的运用
日期：2014-05-16 浏览次数：20388 次
DWR中的util.js的使用
处理列表：处理列表--字符串数组
一下的程序都是在引用util.js文件的情况下运行的
?
处理列表：处理列表--字符串数组
<%@ 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>处理列表--字符串数组</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<script type="text/javascript" src="js/util.js"></script>
<script type="text/javascript">
var strArray = ['请选择一本书','Java','Hibernate','Spring',];
function add(){
dwr.util.addOptions("test",strArray);
}
function del(){
dwr.util.removeAllOptions("test");
}
</script>
</head>
<body>
<select id="test"></select>
<input type="button" value="添加选项" onclick="add();">
<input type="button" value="删除选项" onclick="del();">
</body>
</html>
?处理列表--对象数组
<%@ 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>处理列表--对象数组</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<script type="text/javascript" src="js/util.js"></script>
<script type="text/javascript">
var objArray = [{name:'Java'},
{name:'Hibernate'},
{name:'Spring'}];
function add(){
dwr.util.addOptions("test",objArray,"name");
}
function del(){
dwr.util.removeAllOptions("test");
}
</script>
</head>
<body>
<select id="test"></select>
<input type="button" value="添加选项" onclick="add();">
<input type="button" value="删除选项" onclick="del();">
</body>
</html>
?处理列表--使用对象作为属性值的对象
<%@ 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>处理列表--使用对象作为属性值的对象</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<script type="text/javascript" src="js/util.js"></script>
<script type="text/javascript">
//定义一个每个属性值都是对象的对象
var objMap = {
first:{book:'Java',price:'55'},
second:{book:'Hibernate',price:'66'},
third:{book:'Spring',price:'77'},
fourth:{book:'Struts2',price:'88'}
};
function add(){
//对象数组为列表框添加列表项
//以第三
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