如何在Spring中注册自定义类型转换器? [英] How do I register a custom type converter in Spring?

问题描述

我需要通过http请求参数传递一个UUID实例. Spring需要自定义类型转换器(来自String)进行注册.如何注册一个?

I need to pass a UUID instance via http request parameter. Spring needs a custom type converter (from String) to be registered. How do I register one?

推荐答案

我有一个带有RequestMapping批注的MVC控制器.一种方法的参数类型为UUID. 感谢工具包，在阅读了 WebDataBinder ，我发现我的控制器中需要这样的方法:

I have an MVC controller with RequestMapping annotations. One method has a parameter of type UUID. Thanks toolkit, after reading about WebDataBinder, I figured that I need a method like this in my controller:

@InitBinder
public void initBinder(WebDataBinder binder) {
    binder.registerCustomEditor(UUID.class, new UUIDEditor());
}

UUIDEditor只是扩展了PropertyEditorSupport并覆盖了getAsText()和setAsText().

UUIDEditor simply extends PropertyEditorSupport and overrides getAsText() and setAsText().

很好地为我工作.

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