基础才是重中之重~你是否真正在用MVC路由功能~续
<div id="cnblogs_post_body">今天继续说一下昨天没有说完的东西,(如果对MVC路由基础不了解,可以先看这篇)事情是这样的,在单击某个&ldquo;分类&rdquo;后,如果再单击别一个分类,希望把原来的分类记住,这个需要很正常,几乎所有网站都是这样做的,MVC实现这个功能当然是很简单了,呵呵。http://www.agoit.com/bbs/data:image/png;base64,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
MVC中的路由功能实事上你在使用ActionLink时是自己为你填充参数的,如果你不为参数赋值,它使用的是当前的参数值:
下面是几种比较有说服力的链接方式:
1 @Html.ActionLink("当前路由参数", "About")2 @Html.ActionLink("一年级", "About", new { grade = 1 })3 @Html.ActionLink("二年级", "About", new { grade = 2 })4 @Html.ActionLink("语文", "About", new { subject = 15 })5 @Html.ActionLink("数学", "About", new { subject = 16 })
如果不为参数赋值,它是显示当前URL上的参数值
@Html.ActionLink("当前路由参数", "About")当你为指定参数赋值后,这个参数的值才变,而其它位置参数的值保留当前URL的
@Html.ActionLink("一年级", "About", new { grade = 1 }) //事实上是在更新URL地址上的grade参数位置的值
反映到页面上就是当你单击&ldquo;一年级&rdquo;时,页面URL出现的是
http://www.agoit.com/bbs/data:image/png;base64,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
当你再同时单击&ldquo;语文&rdquo;时,它会记得你上次grade的值,除非你重新为它指定新值
http://www.agoit.com/bbs/data:image/png;base64,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
怎么样,这种类型筛选并不复杂吧,呵呵!
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