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	【新增】IOT 设备管理,获得设备数量接口
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		@@ -1,11 +1,8 @@
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package cn.iocoder.yudao.module.iot.controller.admin.device;
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import cn.iocoder.yudao.framework.apilog.core.annotation.ApiAccessLog;
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import cn.iocoder.yudao.framework.common.pojo.CommonResult;
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import cn.iocoder.yudao.framework.common.pojo.PageParam;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
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import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
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import cn.iocoder.yudao.module.iot.controller.admin.device.vo.IotDevicePageReqVO;
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import cn.iocoder.yudao.module.iot.controller.admin.device.vo.IotDeviceRespVO;
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import cn.iocoder.yudao.module.iot.controller.admin.device.vo.IotDeviceSaveReqVO;
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@@ -16,16 +13,11 @@ import io.swagger.v3.oas.annotations.Operation;
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import io.swagger.v3.oas.annotations.Parameter;
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import io.swagger.v3.oas.annotations.tags.Tag;
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import jakarta.annotation.Resource;
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import jakarta.servlet.http.HttpServletResponse;
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import jakarta.validation.Valid;
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import org.springframework.security.access.prepost.PreAuthorize;
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import org.springframework.validation.annotation.Validated;
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import org.springframework.web.bind.annotation.*;
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import java.io.IOException;
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import java.util.List;
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import static cn.iocoder.yudao.framework.apilog.core.enums.OperateTypeEnum.EXPORT;
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import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
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@Tag(name = "管理后台 - IoT 设备")
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@@ -86,4 +78,12 @@ public class IotDeviceController {
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        return success(BeanUtils.toBean(pageResult, IotDeviceRespVO.class));
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    }
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    @GetMapping("/count")
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    @Operation(summary = "获得设备数量")
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    @Parameter(name = "productId", description = "产品编号", example = "1")
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    @PreAuthorize("@ss.hasPermission('iot:device:query')")
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    public CommonResult<Long> getDeviceCount(@RequestParam("productId") Long productId) {
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        return success(deviceService.getDeviceCount(productId));
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    }
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}
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@@ -47,4 +47,7 @@ public interface IotDeviceMapper extends BaseMapperX<IotDeviceDO> {
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        return selectCount(IotDeviceDO::getGatewayId, id);
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    }
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    default Long selectCountByProductId(Long productId) {
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        return selectCount(IotDeviceDO::getProductId, productId);
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    }
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}
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@@ -224,4 +224,9 @@ public class DeviceServiceImpl implements IotDeviceService {
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        deviceMapper.updateById(updateObj);
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    }
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    @Override
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    public Long getDeviceCount(Long productId) {
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        return deviceMapper.selectCountByProductId(productId);
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    }
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}
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@@ -57,4 +57,11 @@ public interface IotDeviceService {
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     */
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    void updateDeviceStatus(IotDeviceStatusUpdateReqVO updateReqVO);
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    /**
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     * 获得设备数量
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     *
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     * @param productId 产品编号
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     * @return 设备数量
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     */
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    Long getDeviceCount(Long productId);
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}
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