CaiQie/DB/Service/PointService.cs

using System;
using System.Collections.Generic;
using System.Linq;
using DB.Entity;
using NewLife.Caching;

namespace DB.Service
{
    public class PointService
    {


        public List<Point> GetList()
        {
            using (var dbContext = DbFactory.GetContext)
            {
                return dbContext.Query<Point>().ToList();
            }
        }


        public string GetAddressName(string address)
        {
            using (var dbContext = DbFactory.GetContext)
            {
                var entity= dbContext.Query<Point>()
                    .Where(x => x.PointAddress == address)
                    .Select(x => x.PointName).FirstOrDefault();
                return string.IsNullOrEmpty(entity) ? "" : entity;
            }
        }

        public Dictionary<string, string> GetValueName()
        {
            using (var dbContext = DbFactory.GetContext)
            {
                var entity = dbContext.Query<Point>()
                    .Select(x=>new Point()
                    {
                        PointAddress = x.PointAddress,
                        PointName = x.PointName
                    })
                    .ToList();

                Dictionary<string, string> dic =
                    entity.ToDictionary(x => x.PointAddress, x => x.PointName);
                return dic;
            }
        }
        
    }
}