Spring MVC中的@PathVariable

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 Spring MVC中的@PathVariable是用来获得请求url中的动态参数的，十分方便，复习下：

 Java代码  

@Controller
public class TestController {
     @RequestMapping(value="/user/{userId}/roles/{roleId}",method = RequestMethod.GET)
     public String getLogin(@PathVariable("userId") String userId,
         @PathVariable("roleId") String roleId){
         System.out.println("User Id : " + userId);
         System.out.println("Role Id : " + roleId);
         return "hello";
     }
     @RequestMapping(value="/product/{productId}",method = RequestMethod.GET)
     public String getProduct(@PathVariable("productId") String productId){
           System.out.println("Product Id : " + productId);
           return "hello";
     }
     @RequestMapping(value="/javabeat/{regexp1:[a-z-]+}",
           method = RequestMethod.GET)
     public String getRegExp(@PathVariable("regexp1") String regexp1){
           System.out.println("URI Part 1 : " + regexp1);
           return "hello";
     }
}

 转自： http://jackyrong.iteye.com/blog/2059307