Struts的LazyValidatorForm如何获取中的多个值 Yanbin_Q 2007-06-29 11:38:36 在Struts中配置有一个LazyValidatorForm,如果是页面提交一个多选的<select name="depts">多个值，在LazyValidatorForm中用get("depts")只是返回了第一个元素值，取不到提交过来的多项值 不知道LazyValidatorForm是如何获取相当于request.getParameterValues("depts")的情况 ...全文 945 8 打赏 收藏 Struts的LazyValidatorForm如何获取<select>中的多个值 在Struts中配置有一个LazyValidatorForm,如果是页面提交一个多选的多个值，在LazyValidatorForm中用get("depts")只是返回了第一个元素值，取不到提交过来的多项值 不知道LazyValidatorForm是如何获取相当于request.getParameterValues("depts")的情况 复制链接 扫一扫 分享 转发到动态 举报 写回复 配置赞助广告取 消 确 定 用AI写文章 8 条回复 切换为时间正序 请发表友善的回复… 发表回复 打赏红包 需支付: 0.00 元 取 消 确 定 Catsou55 2008-09-01 打赏举报 回复 在Struts-config.xml中，定义 <form-beans> <form-bean name="myForm" type="org.apache.struts.validator.LazyValidatorForm"> <form-property name="depts" type="java.lang.String[]" /> </form-bean> </form-beans> 把多值的属性定义成String数组，其他属性不用定义。 redsun242 2008-07-14 打赏举报 回复 我也碰到了这个问题，查了很多资料也没看到有个好点的解决方法 Yanbin_Q 2007-07-11 打赏举报 回复 自己定义了FormBean也好办，关键是直接用LazyValidatorForm，怎么让这个数组存提交存储到LazyValidatorForm中呢 asmilk 2007-07-09 打赏举报 回复 在form中将depts定义成一个String数组. Yanbin_Q 2007-07-09 打赏举报 回复 拼字符串的方式常常表现的比较低效 KingNE 2007-07-06 打赏举报 回复 UP cumtshine 2007-07-06 打赏举报 回复 提交的时候组成一个string, 比如有a,b,c,d四的项,则组成"a,b,c,d"这样的一个string, 放在hidden中,然后传到Action中,用request.getAttribute("hiddenname");来取. 比较笨的方法.我现在做的时候不是这么做,是重新取数据库中的数据,提交完之后再次进行付值. 仅供参考. zsq822 2007-07-05 打赏举报 回复 我也想知道 java题集2 <br /> a:servlet是在java代码里面放html,jsp是在html里面放java代码(最后运行的时候服务器会把JSP解析成servlet) <br /> b:servlet是一个java类，有自己的映射,而jsp不是<br />2、说出Servlet的生命周期，并说出... Lucene与DB结合示例 今天发一个简单的和数据库交互的Lucene示例，只是初步的靠Lucene自带的分词实现中文分词,效果肯定没有网上琳琅的分词器相媲美，只为了示例，用了自带的高亮。页面不好看，将就一下哦。 主要是由 Spring + ... 数据库交互的Lucene示例 今天发一个简单的和数据库交互的Lucene示例，只是初步的靠Lucene自带的分词实现中文分词,效果肯定没有网上琳琅的分词器相媲美，只为了示例，用了自带的高亮。页面不好看，将就一下哦。 主要是由 Spring + Struts1... 面试题 1.Hashtable和HashMap有什么区别？ 2.你怎么理解MVC模式？...5.如果SQLServer中有两个数据库，那么让你把这两个数据库对应到Oracle中，你应该怎么做？ 6.有两个页面a.jsp和b.jsp，要从a.jsp... lucene与数据库结合使用 今天发一个简单的和数据库交互的Lucene示例，只是初步的靠Lucene自带的分词实现中文分词,效果肯定没有网上琳琅的分词器相媲美，只为了示例，用了自带的高亮。页面不好看，将就一下哦。 主要是... 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[Yanbin_Q]

在Struts中配置有一个LazyValidatorForm,如果是页面提交一个多选的<select name="depts">多个值，在LazyValidatorForm中用get("depts")只是返回了第一个元素值，取不到提交过来的多项值

不知道LazyValidatorForm是如何获取相当于request.getParameterValues("depts")的情况

[zsq822]

我也想知道

[cumtshine]

提交的时候组成一个string,
比如有a,b,c,d四的项,则组成"a,b,c,d"这样的一个string,
放在hidden中,然后传到Action中,用request.getAttribute("hiddenname");来取.
比较笨的方法.我现在做的时候不是这么做,是重新取数据库中的数据,提交完之后再次进行付值.
仅供参考.

[KingNE]

UP

[Yanbin_Q]

拼字符串的方式常常表现的比较低效

[asmilk]

在form中将depts定义成一个String数组.

[Yanbin_Q]

自己定义了FormBean也好办，关键是直接用LazyValidatorForm，怎么让这个数组存提交存储到LazyValidatorForm中呢

[redsun242]

我也碰到了这个问题，查了很多资料也没看到有个好点的解决方法

[Catsou55]

在Struts-config.xml中，定义
<form-beans>
<form-bean name="myForm"
type="org.apache.struts.validator.LazyValidatorForm">
<form-property name="depts" type="java.lang.String[]" />
</form-bean>
</form-beans>
把多值的属性定义成String数组，其他属性不用定义。