GarbageCrane/一车两车整合版/Code/DeviceRepository.cs

using GCAS.Model;
using Dapper;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Threading.Tasks;

namespace GCAS.Code
{
    public class DeviceRepository
    {
        public async Task<int> Insert(DeviceModel entity)
        {
            string exitSql = "Select count(1) from device where name=@Name";
            string insertSql = "INSERT INTO device (ip,name,port,time,code,tareweight)VALUES(@ip,@name,@port,NOW(),@Code,@TareWeight)";
            using (IDbConnection conn = DataBaseConfig.GetSqlConnection())
            {
                var count = await conn.QueryFirstAsync<int>(exitSql, new { entity.Name });
                if (count > 0)
                {
                    return -1;
                }
                return await conn.ExecuteAsync(insertSql, entity);
            }
        }

        public List<DeviceModel> GetList()
        {
            string selectSql = "SELECT device.id,device.ip,device.name,device.port,device.time,device.code,device.tareweight FROM device order by id asc";
            using (IDbConnection conn = DataBaseConfig.GetSqlConnection())
            {
                return conn.Query<DeviceModel>(selectSql).ToList();
            }
        }
        public async Task<int> Delete(int id)
        {
            string deleteSql = "Delete from device where id=@Id";
            using (IDbConnection conn = DataBaseConfig.GetSqlConnection())
            {
                return await Task.Run(() => conn.ExecuteAsync(deleteSql, new { Id = id }));
            }
        }
        public async Task<int> Update(DeviceModel entity)
        {
            string exitSql = "Select count(1) from device where name=@Name and id<>@Id";
            string updateSql = "UPDATE device SET device.ip=@Ip,device.name=@Name,device.port=@Port,device.code=@Code,device.tareweight=@TareWeight WHERE id=@Id ";
            using (IDbConnection conn = DataBaseConfig.GetSqlConnection())
            {
                var count = await conn.QueryFirstAsync<int>(exitSql, entity);
                if (count > 0)
                {
                    return -1;
                }
                return await conn.ExecuteAsync(updateSql, entity);
            }
        }
    }
}