Mini.Crm/Mini.Web/WebHelper/Pagination.cs

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

namespace Mini.Web.WebHelper
{
    public class Pagination
    {
        /// <summary>
        /// 获取分页html(默认分页 10,30,50,100)
        /// </summary>
        /// <param name="page">分页的信息</param>
        /// <param name="tableId">分页对应的表格ID</param>
        /// <returns></returns>
        public static string GetPage(Pager page, string tableId)
        {
            string paginations = "10,30,50,100";
            return GetPage(page, tableId, paginations);

        }
        /// <summary>
        /// 获取分页html
        /// </summary>
        /// <param name="page">分页的信息</param>
        /// <param name="tableId">分页对应的表格ID</param>
        /// <param name="paginations">分页的参数（如：15,20,30）</param>
        /// <returns></returns>
        public static string GetPage(Pager page, string tableId, string paginations)
        {
            string pageMessage =  JsonHelper.ObjDivertToJson(page);

            StringBuilder tool = new StringBuilder();
            string[] pagination = paginations.Split(',');
            tool.AppendLine(string.Format("<div pagination='{1}' class='datagrid-pager pagination' tableId='{0}'> <table cellspacing='0' cellpadding='0' border='0'>  <tbody>  <tr>   ", tableId, pageMessage));
            tool.AppendLine("   <td><select class='pagination-page-list'>");
            foreach (string str in pagination)
            {
                tool.AppendLine(string.Format("<option>{0}</option>", str));
            }
            tool.AppendLine(" </select> </td>");
            tool.AppendLine("<td><div class='pagination-btn-separator'></div></td>");
            if (page.page <= 1)
            {
                tool.AppendLine(GetPageButton(false, "pagination-first", "page_first"));
                tool.AppendLine(GetPageButton(false, "pagination-prev", "page_prev"));
            }
            else
            {
                tool.AppendLine(GetPageButton(true, "pagination-first", "page_first"));
                tool.AppendLine(GetPageButton(true, "pagination-prev", "page_prev"));
            }

            tool.AppendLine("<td><div class='pagination-btn-separator'></div></td>");
            tool.AppendLine(" <td><span style='padding-left:6px;'>Page</span></td>");
            tool.AppendLine(string.Format("<td><input type='text' size='2' value='{0}' class='pagination-num'></td>", page.page));
            tool.AppendLine(string.Format("<td><span nid='ofPage' style='padding-right:6px;'>of {0}</span></td>", page.totalPages));
            tool.AppendLine("<td><div class='pagination-btn-separator'></div></td>");
            if (page.page >= page.totalPages)
            {
                tool.AppendLine(GetPageButton(false, "pagination-next", "page_next"));
                tool.AppendLine(GetPageButton(false, "pagination-last", "page_last"));
            }
            else
            {
                tool.AppendLine(GetPageButton(true, "pagination-next", "page_next"));
                tool.AppendLine(GetPageButton(true, "pagination-last", "page_last"));
            }
            tool.AppendLine("<td><div class='pagination-btn-separator'></div></td>");
            tool.AppendLine(GetPageButton(true, "pagination-load", "page_load"));

            tool.AppendLine(string.Format("</tr></tbody></table> <div class='pagination-info'>从 {0} 到 {1} 共 {2} 条数据</div><div style='clear:both;'></div> </div> ", ((page.page - 1) * page.rows + 1), (page.page * page.rows > page.totalRows ? page.totalRows : page.page * page.rows), page.totalRows));
            return tool.ToString();
        }
        public static string GetPage(Pager page)
        {
            StringBuilder tool = new StringBuilder();
            tool.AppendLine(string.Format("第 {0}/{1} 页 |", page.page, page.totalPages));
            if (page.page <= 1)
            {
                tool.AppendLine("第一页 | 上一页 |");
            }
            else
            {
                tool.AppendLine(string.Format("<a href='javascript:ShowPage(1);'>第一页</a> | <a href='javascript:ShowPage({0});'>上一页</a> |", page.page - 1));
            }

            if (page.page >= page.totalPages)
            {
                tool.AppendLine("下一页 | 最后一页 | ");
            }
            else
            {
                tool.AppendLine(string.Format("<a href='javascript:ShowPage({0});'>下一页</a> | <a href='javascript:ShowPage({1});'>最后一页</a>", page.page + 1, page.totalPages));
            }
            tool.AppendLine("到第 <input type='text' name='num' style='width:40px; height:18px' value='" + page.page + "' onChange='toPage(this)' maxlength='6'> 页");
            return tool.ToString();
        }
        private static string GetPageButton(bool disabled, string icon, string id)
        {
            StringBuilder button = new StringBuilder();
            button.AppendFormat("<td><a id='{1}' class='l-btn l-btn-plain {0} ' href='javascript:void(0)'>", (disabled ? "" : "l-btn-disabled"), id);
            button.AppendLine("<span class='l-btn-left'>");
            button.AppendLine("<span class='l-btn-text'>");
            button.AppendLine(string.Format("<span class='l-btn-empty {0}'>&nbsp;</span>", icon));
            button.AppendLine(@"</span></span></a></td>");

            return button.ToString();
        }
    }
}