cakephp droplist/form - xml 和 ajax
我对 Cakephp 完全是菜鸟 - 这里是...
我有一个使用 Cakephp 框架设置的网站。我想创建两个下拉表单来比较/显示数据。当用户从任一表单的下拉列表中选择一个项目时，它将在网站上显示以下内容。
我认为这些数据需要存储在 xml 文件中。如何在 Cakephp 中使用 xml 数据创建和同步两个下拉表单？表单所在的页面是视图(.ctp) 文件。
谢谢
I'm complete noob in Cakephp - here goes...
I have a website set up with Cakephp framework. I would like to create two dropdown forms to compare/show data. When the user selects an item from the dropdown from either one of the forms it is to show the content below on website.
I was thinking this data would need to be stored in an xml file. How do I create and sync two dropdown forms with xml data within Cakephp? The page the form is on is the view(.ctp) file.
Thanks
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您可能需要查看在线 CakePHP 文档，特别是 Ajax 帮助器周围的区域 - 即observeForm 和observeField 方法。
我不久前编写了一个应用程序，需要在用户更改下拉菜单时精确地改变屏幕上的内容（但是，我没有使用 XML）。我基本上所做的是使用 ajax 助手来观察下拉列表，然后在观察到值更改后更新包含相应下拉列表的 div。
关于 XML，您需要查找的主题是“数据源”。然而，从您原来的帖子中，我无法判断您的意思是 XML 是一项要求，还是您所预见的最佳解决方案。无论数据来自何处，您都可以“同步”并播放下拉列表中的值 - 它不一定是静态文件。
You'll probably want to have a look at the online CakePHP docs, particularly on the areas around the Ajax helper - i.e. the observeForm and observeField methods.
I wrote an app a little while ago that needed precisely to vary content around the screen when the user changes dropdowns (however, I didn't use XML though). What I basically did was use the ajax helper to observe the dropdowns and then update the divs which contained the corresponding dropdowns, once a value change has been observed.
With regards to the XML, the topic you will need to look up is "Datasources". However, from your original post, I can't tell whether you mean that XML is a requirement, or just what you foresee as the best solution. You can 'sync' and play about the values inside dropdowns regardless of where the data comes from - it doesn't have to be a static file.