@RequestMapping("/simpleParam")

@RequestMapping("/simpleParam")是一个注解，它用于将HTTP请求映射到处理程序类或处理程序方法。在上面的代码示例中，@RequestMapping("/simpleParam")将HTTP GET请求映射到myController1类中的simpleParam方法。该方法获取一个名为id的整数参数，并将其打印到控制台中。因此，当您在浏览器中访问/c1/simpleParam时，将调用simpleParam方法并打印id参数的值。

相关问题

@requestmapping /**

@RequestMapping注解是Spring MVC框架中的一个注解，用于将HTTP请求映射到控制器的处理方法上。

在引用和引用中，@RequestMapping注解被用于指定处理请求的URL路径和请求方法。例如，@RequestMapping(value="/editItem", method=RequestMethod.GET)表示当收到GET请求且路径为"/editItem"时，会调用相应的处理方法。

引用提供了一些使用@RequestMapping注解的示例。在这些示例中，@RequestMapping注解用于指定处理请求的URL路径和请求方法。例如，@RequestMapping(value="/hello", method=RequestMethod.GET)表示当收到GET请求且路径为"/hello"时，会调用hello()方法。

此外，@RequestMapping注解还可以用于指定多个URL路径和多个请求方法，以及其他参数，例如请求的媒体类型等。

总结起来，@RequestMapping注解是用于将HTTP请求映射到控制器的处理方法上的注解。它通过指定URL路径和请求方法来匹配请求，并调用相应的处理方法来处理请求。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *2* [@RequestMapping 用法详解](https://blog.csdn.net/weixin_40009737/article/details/80810918)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
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@RequestMapping(/)

This is a Spring mapping annotation that specifies the root URL mapping for a controller class or a method within a controller class.

For example, if you have a controller class with the mapping annotation `@RestController` and `@RequestMapping("/")`, all requests to the root URL of the application will be handled by methods in this controller class.

If you have a method within this controller class with the mapping annotation `@RequestMapping("/hello")`, requests to the URL `http://localhost:8080/hello` will be handled by this method.

The `/` in the `@RequestMapping("/")` denotes the root URL of the application. You can replace this with any other URL path to map requests to a different URL path.