resource 就1行代码调用service 层， 看着就舒服、漂亮、美

写在serivce 层方面 单元测试
前置校验在service 层，不再resource，也不在Dao ，可以避免重复检验

resoucre 层 没有 compoment 注解， spring 不会自动装配， 所以有些依赖Spring 的会执行不上。service没有问题 (应该是会自动装配，装配serivce，待调查)

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import javax.ws.rs.*;
import javax.ws.rs.core.MediaType;

/**
 */
@Path("/v1/mini_app")
public class MiniAppResource {

  @Autowired
  MiniAppService miniAppService;

  @Path("add.json")
  @POST
  @Produces(MediaType.APPLICATION_JSON)
  @BaseInfo(
    idx = 1,
    desc = "往小程序购物车中添加一种商品",
    protocol = BaseInfo.Protocol.HTTPS,
    authPolicy = BaseInfo.AuthPolicy.PUBLIC,
    apiStatus = BaseInfo.ApiStatus.PUBLIC
  )
  public ApiCartProduct add(
    @FormParam("sub_product_id")
    long subProductId,
    @FormParam("count")
    int count,
    @FormParam("device_token")
    String deviceToken,
    @HeaderParam("from_user_id")
    Long fromUserId
  ) {
    return miniAppService.add(subProductId, count, fromUserId, deviceToken);
  }

  @Path("delete.json")
  @POST
  @Produces(MediaType.APPLICATION_JSON)
  @BaseInfo(
    idx = 2,
    desc = "批量删除购物车中商品",
    protocol = BaseInfo.Protocol.HTTPS,
    authPolicy = BaseInfo.AuthPolicy.PUBLIC,
    apiStatus = BaseInfo.ApiStatus.PUBLIC,
    resultDemo = CommonResult.class)
  public CommonResult delete(
    @FormParam("sub_product_id")
      String subProductIdStr,
    @FormParam("device_token")
      String deviceToken,
    @HeaderParam("from_user_id")
      Long fromUserId
  ) {
    return CommonResult.booleanCommonResult(
      miniAppService.remove(fromUserId, deviceToken, subProductIdStr));
  }

  @Path("update.json")
  @POST
  @Produces(MediaType.APPLICATION_JSON)
  @BaseInfo(
    idx = 3,
    desc = "更新购物车",
    protocol = BaseInfo.Protocol.HTTPS,
    authPolicy = BaseInfo.AuthPolicy.PUBLIC,
    apiStatus = BaseInfo.ApiStatus.PUBLIC,
    resultDemo = CommonResult.class)
  public CommonResult update(
    @FormParam("meta")
    String metaStr,
    @FormParam("device_token")
    String deviceToken,
    @HeaderParam("from_user_id")
    Long fromUserId
  ) {
    return CommonResult.booleanCommonResult(
      miniAppService.update(fromUserId, deviceToken, metaStr));
  }

}