[api_version]4种在springmvc中进行api版本控制的处理方法

https://github.com/mindhaq/restapi-versioning-spring.git
https://github.com/augusto/restVersioning.git

这两个git项目里提供了4种在springmvc中进行api版本控制的处理方法，你们看怎么样，能否不使用冗余部署的方式。

1. /api/v1/xxx
   controller中的方法注解写法：

   @ResponseBody
   @RequestMapping(value = "/apiurl/{version}/hello", method = GET, produces = APPLICATION_JSON_VALUE)
   public Hello sayHelloWorldUrl(@PathVariable final ValidVersion version) {
       return new Hello();
   }

2. /api/xxx
   在header中添加”X-API-Version”:”v1”来进行版本请求的区别
   controller中的方法注解写法：

   @ResponseBody
   @RequestMapping(value = "/apiheader/hello", method = GET, produces = APPLICATION_JSON_VALUE)
   public Hello sayHelloWorldHeader(@RequestHeader("X-API-Version") final ValidVersion version) {
       return new Hello();
   }

3. /api/xxx
   在header中添加Accept: “application/vnd.company.app-v1+json”来进行版本区别
   controller中的方法注解写法：

   @ResponseBody
   @RequestMapping(
       value = "/apiaccept/hello", method = GET,
       produces = {"application/vnd.company.app-v1+json", "application/vnd.company.app-v2+json"}
   )

4. /api/xxx
   在header中添加Accept: “application/vnd.company.app-v1+json”来进行版本区别
   controller写法：
   `
   @Controller
   @VersionedResource(media = “application/vnd.app.resource”)
   public class TestController {

   @RequestMapping(value = {“/resource”}, method = RequestMethod.GET)
   @VersionedResource(from = “1.0”, to = “1.0”)
   @ResponseBody
   public Resource getResource_v1() {

   return new Resource("1.0");
   

   }

   @RequestMapping(value = {“/resource”}, method = RequestMethod.GET)
   @VersionedResource(from = “2.0”)
   @ResponseBody
   public Resource getResource_v2_onwards() {

   return new Resource("2.0");
   

   }
   }