﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>语源科技BlogJava-tosoft's blog</title><link>http://www.blogjava.net/tosoft/</link><description>j2se,j2ee,j2me,opensource,框架</description><language>zh-cn</language><lastBuildDate>Thu, 07 May 2026 06:40:20 GMT</lastBuildDate><pubDate>Thu, 07 May 2026 06:40:20 GMT</pubDate><ttl>60</ttl><item><title>解决struts下拉菜单选项从数据库读值的问题</title><link>http://www.blogjava.net/tosoft/archive/2008/02/07/option.html</link><dc:creator>tosoft</dc:creator><author>tosoft</author><pubDate>Thu, 07 Feb 2008 15:49:00 GMT</pubDate><guid>http://www.blogjava.net/tosoft/archive/2008/02/07/option.html</guid><wfw:comment>http://www.blogjava.net/tosoft/comments/179446.html</wfw:comment><comments>http://www.blogjava.net/tosoft/archive/2008/02/07/option.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.blogjava.net/tosoft/comments/commentRss/179446.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/tosoft/services/trackbacks/179446.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp; struts的 &lt;html:option&gt;有三种选项模式，由于最近学习用struts做项目，需要解决下拉列表从数据库读值的问题，在网络上搜索了很久，终于弄清楚了，现总结一下，并且给出例子。<br />
<br />
一、FormBean<br />
<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;private List&lt;LabelValueBean&gt; beanCollection;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.....&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ......<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;get(),set()方法。<br />
<br />
二、Action<br />
<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.....从数据库得到返回的List 并将返回的List对象转换成Iterator类型 遍历<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;beanCollection.add(new LabelValueBean(&#8220;前台显示名称&#8221;，&#8220;实际值&#8221;);<br />
<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setBeanCollection(beanCollection);<br />
<br />
三、JSP页面<br />
<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;html:select property="select" onchange="form.submit();"&gt;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;html:optionsCollection name="form名称" property="beanCollection" /&gt;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;/html:select&gt;<br />
<br />
这样就解决了。。。
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