• MVC简单分页(未实现无刷新分页)


    分页Html辅助方法

    using System.Text;
    using System.Web;
    using System.Web.Mvc;
    
    namespace System.Web.Mvc
    {
       public static class HtmlExtensions
      {
       #region 分页Html辅助方法
            /// <summary>
            /// 分页Html辅助方法
            /// </summary>
            /// <param name="htmlHelper"></param>
            /// <param name="currentPage"></param>
            /// <param name="pageSize"></param>
            /// <param name="totalCount"></param>
            /// <param name="parameterString"></param>
            /// <returns></returns>
            public static HtmlString PageNavigate(this HtmlHelper htmlHelper, int currentPage, int pageSize, int totalCount, string parameterString)
            {
                var redirectTo = htmlHelper.ViewContext.RequestContext.HttpContext.Request.Url.AbsolutePath;
                pageSize = pageSize == 0 ? 3 : pageSize;
                var totalPages = Math.Max((totalCount + pageSize - 1) / pageSize, 1);//总页数
                var output = new StringBuilder();
                output.Append("<nav>");
                output.Append("<ul class='pagination'>");
                string pageSizrWithParameter = string.Empty;
                if (!string.IsNullOrEmpty(parameterString))
                    pageSizrWithParameter = pageSize + "&" + parameterString;
                if (totalPages>1)
                {
                    output.AppendFormat("<li><a href='{0}?pageIndex=1&pageSize={1}' aria-label='Previous'><span aria-hidden='true'>&laquo;</span></a></li>",redirectTo,pageSizrWithParameter);
                    if (currentPage > 1)//处理上一页连接
                        output.AppendFormat("<li><a href='{0}?pageIndex={1}&pageSize={2}'>上一页</a></li>",redirectTo,currentPage-1,pageSizrWithParameter);
    
                    output.Append("");
                    int currint = 5;
                    for (int i = 0; i < 10; i++)
                    {//一共最多显示10个页码,前面五个后面五个
                        if ((currentPage+i-currint)>=1 && (currentPage+1-currint)<=totalPages)
                        {
                            if (currint == i)//当前页处理
                                output.AppendFormat("<li class='active'><a href='{0}?pageIndex={1}&pageSize={2}'>{3}</a></li>", redirectTo, currentPage, pageSizrWithParameter, currentPage);
                            else//一般页处理
                                output.AppendFormat("<li><a href='{0}?pageIndex={1}&pageSize={2}'>{3}</a></li>",redirectTo,currentPage+i-currint,pageSizrWithParameter,currentPage+i-currint);
                        }
                        output.Append("");
                    }
                    if (currentPage < totalPages)//处理下一页连接
                        output.AppendFormat("<li><a href='{0}?pageIndex={1}&pageSize={2}'>下一页</a></li>", redirectTo, currentPage + 1, pageSizrWithParameter);
                    output.Append("");
    
                    if (currentPage != totalPages)
                        output.AppendFormat("<li><a href='{0}?pageIndex={1}&pageSize={2}'><span aria-hidden='true'>&raquo;</span></a></li>", redirectTo, totalPages, pageSizrWithParameter);
                    output.Append("");
                }
                output.Append("</ul>");
                output.Append("</nav>");
    
                return new HtmlString(output.ToString());
            }
            #endregion
      }
    }

    页面相关位置调用

    <!--在控制器里面存储的ViewData,totalRecord表示根据添加查询到的数据并返回的条数,parameter表示搜索条件(关键字搜索等等)-->
    @Html.PageNavigate(int.Parse(ViewData["pageIndex"].ToString()),int.Parse(ViewData["pageSize"].ToString()),int.Parse(ViewData["totalRecord"].ToString()),ViewData["parameter"].ToString())

    控制器相关方法实现

    例:
    public Action Moment(int pageIndex=1,int pageSize=20)
    {
    int totalRecord =0;
    List<Aniuge_Moments> lam =MomentsBussiness.GetInstance().GetMoment(pageSize,pageIndex,out totalRecord);//获取分页显示的列表
    ViewData["totalRecord"]=totalRecord;
    ViewData["pageIndex"]=pageIndex;
    ViewData["pageSize"]=pageSize;
    #region 生成搜索状态保持数据
    StringBuilder sb =new StringBuilder ();
    foreach(string item in Request.QueryString.Allkeys)
    {
    if(!item.Equals("pageIndex")&&!item.Equls("pageSize"))
    sb.Append(item + "=" +Request.QueryString[item]+"&");
    }
    ViewData["parameter"]=sb.Tostring().Trim("&");
    #endregion
    return View(lam);
    }

    要无刷新分页及更多功能  看“轻量级表格插件Bootstrap Table。拥有强大的支持固定表头、单/复选、排序、分页、搜索及自定义表头等功能。”这便随笔

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  • 原文地址:https://www.cnblogs.com/qingrp-2015930/p/4852349.html
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