using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DataEntity.Page
{
    /// <summary>
    /// 分页参数
    /// </summary>
    public class Pagination
    {
        /// <summary>
        /// 每页行数
        /// </summary>
        public int PageSize { get; set; } = PaginationDefaultParameter.PageSize;
        /// <summary>
        /// 当前页
        /// </summary>
        public int Current { get; set; } = PaginationDefaultParameter.Current;
        /// <summary>
        /// 排序列
        /// </summary>
        public string Sidx { get; set; }
        /// <summary>
        /// 排序类型
        /// </summary>
        public string Sord { get; set; }
        /// <summary>
        /// 总记录数
        /// </summary>
        public int Records { get; set; }
        /// <summary>
        /// 总页数
        /// </summary>
        public int Total
        {
            get
            {
                if (Records > 0)
                {
                    return Records % this.PageSize == 0 ? Records / this.PageSize : Records / this.PageSize + 1;
                }
                else
                {
                    return 0;
                }
            }
        }
        /// <summary>
        /// 查询条件Json
        /// </summary>
        public string ConditionJson { get; set; }
    }


    /// <summary>
    /// 分页参数(默认参数)
    /// </summary>
    public static class PaginationDefaultParameter
    {
        /// <summary>
        /// 每页行数
        /// </summary>
        public static int PageSize = 15;
        /// <summary>
        /// 当前页
        /// </summary>
        public static int Current = 1;
    }
}