nhet_cn_back_main/Service/Station/EquipAlarmLevelService.cs

using Entity.Api.Req;
using Entity.Api.Resp;
using Entity.DbModel.Station;
using HybirdFrameworkCore.Autofac.Attribute;
using HybirdFrameworkCore.Entity;
using Repository.Station;
using SqlSugar;
using System.Linq.Expressions;

namespace Service.Station;

[Scope("SingleInstance")]
public class EquipAlarmLevelService : BaseServices<EquipAlarmLevel>
{
    EquipAlarmLevelRepository _equipAlarmLevelRepository;
    public EquipAlarmLevelService(EquipAlarmLevelRepository dal)
    {
        _equipAlarmLevelRepository = dal;
        BaseDal = dal;
    }


    /// <summary>
    /// 根据条件查询故障等级信息分页
    /// </summary>
    /// <param name="equipAlarmLevel"></param>
    /// <returns></returns>
    public PageResult<EquipAlarmLevelResp> QueryEqmFaultInfo(QueryEquipAlarmLevelReq equipAlarmLevel)
    {

        //创建一个空的表达式树
        Expression<Func<EquipAlarmLevel, bool>> where = null;
        //// 定义参数表达式
        ParameterExpression parameter = Expression.Parameter(typeof(EquipAlarmLevel), "u");

        //TODO 缺少数据库字段先屏蔽

        //if (!string.IsNullOrEmpty(quipAlarmLevel.Level))
        //{
        //    Expression<Func<EquipAlarmLevel, bool>> condition1Expr = u => u.Level == quipAlarmLevel.Level;
        //    where = condition1Expr;
        //}
        //// 构建查询条件
        //if (!string.IsNullOrEmpty(quipAlarmLevel.LevelName))
        //{
        //    Expression<Func<EquipAlarmLevel, bool>> condition2Expr = u => u.LevelName == quipAlarmLevel.LevelName;
        //    where = where == null ? condition2Expr : Expression.Lambda<Func<EquipAlarmLevel, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        //}
        //查询
        return PageResult<EquipAlarmLevelResp>.ConvertPage(_equipAlarmLevelRepository.QueryIPageByCause(equipAlarmLevel, where));


    }
}