Master.CanYinWu.DAL/System/RoleDAL.cs

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using Dapper;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Master.CanYinWu.Entity;
using Master.CanYinWu.Utility;

namespace Master.CanYinWu.DAL.System
{
   public class RoleDAL
    {
        public async Task<Tuple<IEnumerable<Role>, int>> GetRoleListPageAsync(int pageIndex, int pageSize,string key)
        {
            StringBuilder sb = new StringBuilder(@"select  * from(select *,ROW_NUMBER() over (order by  Roleid asc) as  rownumber  from  Role)as a where isdel=0 ");
            DynamicParameters dp = new DynamicParameters();
            dp.Add("PageIndex", pageIndex);
            dp.Add("PageSize", pageSize);
            StringBuilder sqlTotal = new StringBuilder(@"select count(1)  from Role where isdel=0");
            DynamicParameters dpTotal = new DynamicParameters();
            if (!string.IsNullOrEmpty(key))
            {
                sb.Append(" and RoleName like '%'+@Key+'%' ");
                dp.Add("Key", key);
                sqlTotal.Append(" and RoleName like '%'+@Key+'%' ");
                dpTotal.Add("Key", key);
            }
            sb.Append(" and rownumber BETWEEN (((@PageIndex-1)*@PageSize)+1) and @PageIndex*@PageSize ");
            using (var conn = ConnectionFactory.Connection())
            {
                var query = await conn.QueryAsync<Role>(sb.ToString(), dp);
                var total = await conn.ExecuteScalarAsync<int>(sqlTotal.ToString(), dpTotal);
                return new Tuple<IEnumerable<Role>, int>(query, total);
            }
        }
        public async Task<int> InsertRoleAsync(Role model)
        {
            string sql = @"INSERT INTO [dbo].[Role]
                            ([RoleName])
                      VALUES
                            (
                            @RoleName
                            )";
            using (var conn = ConnectionFactory.Connection())
            {
                return await conn.ExecuteAsync(sql, model);
            }
        }
        public async Task<int> UpdateRoleAsync(Role model)
        {
            string sql = @"update role set RoleName=@RoleName where roleId=@RoleId";
            using (var conn = ConnectionFactory.Connection())
            {
                return await conn.ExecuteAsync(sql, model);
            }
        }
        public async Task<int> DeleteRoleAsync(string ids)
        {
            string sql = @" update role set isdel=1 where roleId in @RoleId";