本文介绍了Java Spring中的重载控制器方法的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个控制器需要使用不同的URL参数表现不同。这样的事情:
I have a controller that needs to behave differently with different URL parameters. Something like this:
@RequestMapping(method = RequestMethod.GET) public A getA(@RequestParam int id, @RequestParam String query) { ... } @RequestMapping(method = RequestMethod.GET) public A getA(@RequestParam int id) { ... }但这似乎不合适为了工作,我得到以下异常:
But this doesn't seem to work, I get the following exception:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'requestMappingHandlerMapping' defined in class path resource [org/springframework/boot/autoconfigure/web/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalStateException: Ambiguous mapping found. Cannot map '[controller name]' bean method有没有办法让应用程序选择依赖方法在URL params?
Is there a way that the application chooses the method depending on the URL params?
推荐答案在映射中指出哪些参数应该存在
Indicate in the mapping which params should be present
@RequestMapping(method = RequestMethod.GET, params = {"id", "query"}) public A getA(@RequestParam int id, @RequestParam String query) { ... } @RequestMapping(method = RequestMethod.GET, params = {"id"}) public A getA(@RequestParam int id) { ... }更多推荐
Java Spring中的重载控制器方法
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