Java(Jersey) -验证“results”的REST GET请求

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Response;

@Path("/api")
public class MyResource {

    @GET
    @Path("/results")
    public Response getResults(@QueryParam("results") String results) {
        // 验证"results"参数是否为空或符合特定规则
        if (results != null && results.matches("[0-9]+")) {
            // 参数验证通过，返回相应结果
            return Response.ok("Results: " + results).build();
        } else {
            // 参数验证失败，返回错误信息
            return Response.status(Response.Status.BAD_REQUEST).entity("Invalid results parameter").build();
        }
    }
}

<dependencies>
    <dependency>
        <groupId>org.glassfish.jersey.containers</groupId>
        <artifactId>jersey-container-servlet</artifactId>
        <version>2.34</version>
    </dependency>
    <dependency>
        <groupId>org.glassfish.jersey.inject</groupId>
        <artifactId>jersey-hk2</artifactId>
        <version>2.34</version>
    </dependency>
</dependencies>