JSP 表标签排序
我正在开发一个使用 JSP 的遗留系统。具体来说，有一个 dataType 属性对“$5,000,000.00”等值进行排序”并且前面没有列出“$5,100”。
我有一个经过充分测试的比较器，可供排序机制使用。
我对任何想法持开放态度。这些是我想出的：
- 我发现了一些其他实现 带有一个
比较器。我打算先测试一下，看看它是否适用于我目前拥有的东西。然而，这种类型的变化是具有测试影响的大型系统变化。 - 重新实现
TableTag和ColumnTag。但是，我找不到实际的来源来了解这些通常的作用。关于“开源”称号就这么多了。
I'm working on a legacy system that uses JSPs. Specifically, there is a <display:table> tag that allows the user to sort the columns of data. However, when the default tag is used, it sorts only alphabetically, by integer, or by double. I'm looking for a way to inject custom logic into the call stack so that I can use the dataType attribute of <display:column> to sort values like "$5,000,000.00" and not have "$5,100" listed before it.
I have a fully tested comparator that can be used by the sort mechanism.
I'm open to any ideas. These are the ones I have come up with:
- I've found some other implementations that take a
comparator. I plan to test this first to see if it will work with what I have currently. This type of change is a large systematic change with testing implications, however. - Re-implement
TableTagandColumnTag. However, I can't find the actual source to see what these generally do. So much for the "Open Source" designation.
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使用 tld 文件获取类对应的类，您可以在该类中注入您的方法。
use tld file to get the class corresponding class and you can inject your method in that class.