cs-HtmlHelpers

ylbtech-Unitity: cs-HtmlHelpers

 PagingHelpers.cs  SelectInputHelpers.cs TreeHelpers.cs

1.A,效果图返回顶部

 

1.B,源代码返回顶部

1.B.1,PagingHelpers.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Text;
using Core.Repository;


namespace Core.HtmlHelpers
{
    public static class PagingHelpers
    {
        public static MvcHtmlString PageLinks(this HtmlHelper html, PagingInfo pagingInfo, Func<int, string> pageUrl, string fnData = "")
        {
            StringBuilder result = new StringBuilder();
            for (int i = 1; i <= pagingInfo.TotalPages; i++)
            {
                result.AppendLine("<a href='#' ");//
                if (i == pagingInfo.CurrentPage)
                    result.Append(" class='selected' ");
                result.Append( " onclick="pageing(this," + i + ",'" + fnData + "')">" + i + "</a>");

                ////TagBuilder tag = new TagBuilder("a");    //创建<a>标签
                ////tag.MergeAttribute("href", "#");//pageUrl(i));
                ////tag.MergeAttribute("onclick", "pageing(this," + i + ",'" + fnData + "');");

                ////tag.InnerHtml = i.ToString();
                //if (i == pagingInfo.CurrentPage)
                //    tag.AddCssClass("selected");
                //result.Append(tag.ToString() + " ");
            }
            return MvcHtmlString.Create("共" + pagingInfo.TotalItems + "条,当前第" + pagingInfo.CurrentPage + "页，共" + pagingInfo.TotalPages + "页   " + result.ToString());
        }
    }

}

1.B.2,SelectInputHelpers.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Text;
using System.Collections;
using System.Reflection;

namespace Core.HtmlHelpers
{
    public static class SelectInputHelpers
    {
        public static MvcHtmlString SelectInput(this HtmlHelper html, string name, SelectList Options,string optionLabel=null, object htmlAttributes=null)
        {
            StringBuilder result = new StringBuilder("<select id="" + name+"" name=""+name+""");
            if (htmlAttributes != null)
            {
                PropertyInfo[] pis = htmlAttributes.GetType().GetProperties();

                foreach (PropertyInfo item in pis)
                {
                    result.Append("  " + item.Name + "="" + item.GetValue(htmlAttributes, null) + """);
                }
            }
            result.Append(">");

            if(optionLabel!=null)
                result.AppendLine("<option value="">" + optionLabel + "</option>");

            foreach (var item in Options.Items)
            {
                var Value=item.GetType().GetProperty(Options.DataValueField).GetValue(item, null);
                var Text=item.GetType().GetProperty(Options.DataTextField).GetValue(item, null);

                    if (Options.SelectedValue != null&&Value.ToString() == Options.SelectedValue.ToString())
                        result.AppendLine("<option value="" + Value + "" selected>" + Text + "</option>");
                    else
                        result.AppendLine("<option value="" + Value + "">" + Text + "</option>");
            }
            result.AppendLine("</select>");
            return MvcHtmlString.Create(result.ToString());//"共" + pagingInfo.TotalItems + "条,当前第" + pagingInfo.CurrentPage + "页，共" + pagingInfo.TotalPages + "页   " + result.ToString());
        }
    }

}

1.B.3,TreeHelpers.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Text;
using System.Collections.Specialized;
using Core.WebHelper;

namespace Core.HtmlHelpers
{
    public static class TreeHelpers
    {
        public static MvcHtmlString Tree(this HtmlHelper html,Tree tree )
        {
            IEnumerable<TreeNode> treeModels = tree.TreeNodes;
            StringBuilder sb=new StringBuilder();
            var root = treeModels.Where(p => p.ParentTreeNodeID == null || p.ParentTreeNodeID == "" || p.ParentTreeNodeID == "0").ToArray();
            var count = root.Count();
            if (count > 0)
            {
                if(tree.ShowLine)
                    sb.AppendLine("<ul class='ulDashed'>");
                else
                    sb.AppendLine("<ul >");
                for (int i = 0; i < count; i++)// var item in root)
                {
                    //HtmlString += "<li>";// +item.Name;
                    if (i == count - 1)
                    {
                        if (tree.ShowLine)
                            sb.AppendLine("<li class='last liDashed'>");
                        else
                            sb.AppendLine("<li class='last'>");
                    }
                    else
                    {
                        if (tree.ShowLine)
                            sb.AppendLine("<li class='liDashed'>");
                        else
                            sb.AppendLine("<li>");
                    }
                    List<TreeNode> Sublist = treeModels.Where(p => p.ParentTreeNodeID == root[i].TreeNodeID).ToList();//.ModularFuns.ToList();
                    int SubCount = Sublist.Count();
                    #region 显示开始图标

                    if (SubCount > 0)//非叶节点
                    {
                        if (tree.ExpentDepth > 0)
                            sb.AppendLine("<span class='minus' ></span>");//+
                        else
                            sb.AppendLine("<span class='plus'></span>");//+
                        //HtmlString += "<img src='/images/Tree/minus.gif'/>";//展开图标

                    }
                    //else
                    //    sb.AppendLine("<span class='minus'></span>");
                    //else//叶节点
                    //{
                    //    if (i == count - 1)
                    //        HtmlString += "<span class='bindPic checkBoxPic'></span>";// "<img src='/images/Tree/line2.gif'/>";
                    //    else
                    //        HtmlString += "class='last'";// "<img src='/images/Tree/line3.gif'/>";
                    //}
                    #endregion

                    #region 复选框
                    //if(NVC["bCheck"]=="1")
                    if (tree.ShowCheckBox == ShowCheckBoxs.Root || tree.ShowCheckBox == ShowCheckBoxs.All)
                        sb.AppendLine("<span class='bindPic checkBoxPic'></span>");

                    #endregion

                    #region 显示类型标记图标

                    if (SubCount > 0)//非叶节点
                    {
                        if (tree.ExpentDepth > 0)
                            sb.AppendLine("<span class='bindPic iconDirOpen'></span>");//+
                        else
                            sb.AppendLine("<span class='bindPic iconDirClosed'></span>");
                        //sb.AppendLine("<span class='bindPic iconDirOpen'></span>");// "<img src='/images/Tree/folderopen.gif'/>";//展开图标
                    }
                    else
                    {
                        sb.AppendLine("<span class='bindPic iconFile'></span>");
                    }

                    #endregion

                    #region a
                    if (root[i].NodeDispType == NodeDispType.Alink)
                    {
                        //TagBuilder tag = new TagBuilder("a");    //创建<a>标签
                        //tag.MergeAttribute("href", "#");//pageUrl(i));
                        //tag.MergeAttribute("pathValue", "/" + root[i].Text);
                        ////tag.MergeAttribute("onclick", "nav('" + root[i].Url + "')");//," + i + ");");
                        //tag.InnerHtml = root[i].Text;
                        sb.AppendLine("<a href='#' " + root[i].htmlAttr + ">"+root[i].Text+"</a>");
                        //sb.AppendLine(tag.ToString());
                    }
                    else
                    {
                        //sb.AppendLine("<span>"+root[i].Text +"</span>");
                        sb.AppendLine("<span " + root[i].htmlAttr + "  pathValue='/" + root[i].Text + "'>" + root[i].Text + "</span>");
                    }
                    #endregion

                    sb.AppendLine(BindTree(root[i], tree,0,"/"+root[i].Text));
                    sb.AppendLine("</li>");
                }
                sb.AppendLine("</ul>");
            }
            MvcHtmlString mstr = new MvcHtmlString(sb.ToString());

            return mstr;
        }
        private static string BindTree(TreeNode treeModel, Tree tree,int lev,string PathValue)
        {
            lev++;
            IEnumerable<TreeNode> treeModels = tree.TreeNodes;
            StringBuilder sb = new StringBuilder();
            if (treeModel != null)
            {
                List<TreeNode> root = treeModels.Where(p => p.ParentTreeNodeID == treeModel.TreeNodeID).ToList();//.ModularFuns.ToList();
                int count = root.Count;
                if (count > 0)
                {
                    if (tree.ExpentDepth >= lev)
                    {
                        if (tree.ShowLine)
                            sb.AppendLine("<ul class='ulDashed'>");
                        else
                            sb.AppendLine("<ul >");
                    }
                    else
                    {
                        if (tree.ShowLine)
                            sb.AppendLine("<ul class=hidden ulDashed'>");
                        else
                        sb.AppendLine("<ul class='hidden'>");
                    }
                    for (int i = 0; i < count; i++)// var item in root)
                    {
                        if (i == count - 1)
                        {
                            if (tree.ShowLine)
                                sb.AppendLine("<li class='last liDashed'>");
                            else
                                sb.AppendLine("<li class='last'>");
                            //sb.AppendLine("<li class='last'>");
                        }
                        else
                        {
                           // sb.AppendLine("<li>");
                            if (tree.ShowLine)
                                sb.AppendLine("<li class='liDashed'>");
                            else
                                sb.AppendLine("<li>");
                        }
                        List<TreeNode> Sublist = treeModels.Where(p => p.ParentTreeNodeID == root[i].TreeNodeID).ToList();//.ModularFuns.ToList();
                        int SubCount = Sublist.Count();

                        #region 显示开始图标

                        if (SubCount > 0 )//非叶节点
                        {
                            //HtmlString += "<img src='/images/Tree/minus.gif'/>";//展开图标
                            //sb.AppendLine("<span class='plus'></span>");
                            if (tree.ExpentDepth > lev)
                                sb.AppendLine("<span class='minus'></span>");//+
                            else
                                sb.AppendLine("<span class='plus'></span>");//+
                        }

                        #endregion

                        #region 复选框
                        if ((SubCount>0&&tree.ShowCheckBox == ShowCheckBoxs.Parent)||tree.ShowCheckBox == ShowCheckBoxs.All)
                            sb.AppendLine("<span class='bindPic checkBoxPic' Value='"+root[i].Value+"' ></span>");
                        else if ((SubCount == 0 && tree.ShowCheckBox == ShowCheckBoxs.Leaf) || tree.ShowCheckBox == ShowCheckBoxs.All)
                            sb.AppendLine("<span class='bindPic checkBoxPic'  Value='" + root[i].Value + "'></span>");
                        #endregion

                        #region 显示类型标记图标

                        if (SubCount > 0)//非叶节点
                        {
                            if (tree.ExpentDepth > lev)
                                sb.AppendLine("<span class='bindPic iconDirOpen'></span>");//+
                            else
                                sb.AppendLine("<span class='bindPic iconDirClosed'></span>");
                        }
                        else
                            sb.AppendLine("<span class='bindPic iconFile'></span>");//文件图标
                        #endregion

                        #region a
                        //if (root[i].Url.Trim().Length > 0)
                        //{
                        //    //TagBuilder tag = new TagBuilder("a");    //创建<a>标签
                        //    //tag.MergeAttribute("href", "#");//pageUrl(i));
                        //    //tag.MergeAttribute("pathValue", PathValue + "/" + root[i].Text);
                        //    //tag.MergeAttribute("onclick", "nav('" + root[i].Url + "')");//," + i + ");");
                        //    //tag.InnerHtml = root[i].Text;
                        //    sb.AppendLine(tag.ToString());
                        //}
                        //else
                        //{
                        //    sb.AppendLine("<span "+root[i].htmlAttr+" pathValue='" + PathValue + "/" + root[i].Text + "'>" + root[i].Text + "</span>");
                        //}
                        if (root[i].NodeDispType == NodeDispType.Alink)
                        {
                            //TagBuilder tag = new TagBuilder("a");    //创建<a>标签
                            //tag.MergeAttribute("href", "#");//pageUrl(i));
                            //tag.MergeAttribute("pathValue", "/" + root[i].Text);
                            ////tag.MergeAttribute("onclick", "nav('" + root[i].Url + "')");//," + i + ");");
                            //tag.InnerHtml = root[i].Text;
                            sb.AppendLine("<a href='#' " + root[i].htmlAttr + ">" + root[i].Text + "</a>");
                            //sb.AppendLine(tag.ToString());
                        }
                        else
                        {
                            //sb.AppendLine("<span>"+root[i].Text +"</span>");
                            sb.AppendLine("<span " + root[i].htmlAttr + "  pathValue='/" + root[i].Text + "'>" + root[i].Text + "</span>");
                        }
                        #endregion

                        sb.Append(BindTree(root[i], tree, lev, PathValue+"/"+root[i].Text));
                        sb.AppendLine("</li>");

                        //foreach (var item in list)
                        //{
                        //    sb.Append("<li>");

                        //    TagBuilder tag = new TagBuilder("a");    //创建<a>标签
                        //    tag.MergeAttribute("href", "#");//pageUrl(i));
                        //    tag.MergeAttribute("onclick", "nav('/" + item.ControllName + "/" + item.ActionName + "')");//," + i + ");");
                        //    tag.InnerHtml = item.Name;

                        //    sb.Append(tag.ToString());
                        //    sb.Append("</li>");
                        //    sb.Append(BindTree(item, treeModels));
                        //}
                    }
                    sb.Append("</ul>");
                }
            }
            //MvcHtmlString mstr = new MvcHtmlString(sb.ToString());
            return sb.ToString();
        }
        //public static MvcHtmlString Tree(this HtmlHelper html, IEnumerable<ModularFun> treeModels)
        //{
        //    string HtmlString ="";
        //    var root = treeModels.Where(p => p.ParentModularFunID == null).ToArray();
        //    var count = root.Count();
        //    if (count > 0)
        //    {
        //        HtmlString = "<ul>";
        //        for (int i = 0; i < count; i++)// var item in root)
        //        {
        //            //HtmlString += "<li>";// +item.Name;
        //            if (i == count - 1)
        //            {
        //                HtmlString += "<li class='last'>";
        //            }
        //            else
        //                HtmlString += "<li>";
        //            List<ModularFun> Sublist = treeModels.Where(p => p.ParentModularFunID == root[i].ModularFunID).ToList();//.ModularFuns.ToList();
        //            int SubCount = Sublist.Count();
        //            #region 显示开始图标

        //            if (SubCount > 0)//非叶节点
        //            {
        //                //HtmlString += "<img src='/images/Tree/minus.gif'/>";//展开图标
        //                HtmlString += "<span class='minus'></span>";
        //            }
        //            //else//叶节点
        //            //{
        //            //    if (i == count - 1)
        //            //        HtmlString += "<span class='bindPic checkBoxPic'></span>";// "<img src='/images/Tree/line2.gif'/>";
        //            //    else
        //            //        HtmlString += "class='last'";// "<img src='/images/Tree/line3.gif'/>";
        //            //}
        //            #endregion

        //            #region 复选框
        //            //if(NVC["bCheck"]=="1")
        //                HtmlString += "<span class='bindPic checkBoxPic'></span>";

        //            #endregion

        //            #region 显示类型标记图标

        //            if (SubCount > 0)//非叶节点
        //            {
        //                HtmlString += "<span class='bindPic iconDir'></span>";// "<img src='/images/Tree/folderopen.gif'/>";//展开图标
        //            }
        //            else
        //            {
        //                HtmlString += "<span class='bindPic iconFile'></span>";
        //            }

        //            #endregion

        //            #region a

        //            TagBuilder tag = new TagBuilder("a");    //创建<a>标签
        //            tag.MergeAttribute("href", "#");//pageUrl(i));
        //            tag.MergeAttribute("onclick", "nav('/" + root[i].ControllName + "/" + root[i].ActionName + "')");//," + i + ");");
        //            tag.InnerHtml = root[i].Name;
        //            HtmlString += tag.ToString();

        //            #endregion

        //            HtmlString += BindTree(root[i], treeModels);
        //            HtmlString += "</li>";
        //        }
        //        HtmlString += "</ul>";
        //    }
        //    MvcHtmlString mstr = new MvcHtmlString(HtmlString.ToString());

        //    return mstr;
        //}
        //private static MvcHtmlString BindTree(ModularFun treeModel, IEnumerable<ModularFun> treeModels)
        //{
        //    StringBuilder sb = new StringBuilder();
        //    if (treeModel != null)
        //    {
        //        List<ModularFun> root = treeModels.Where(p => p.ParentModularFunID == treeModel.ModularFunID).ToList();//.ModularFuns.ToList();
        //        int count = root.Count;
        //        if (count > 0)
        //        {
        //            sb.AppendLine("<ul>");
        //            for (int i = 0; i < count; i++)// var item in root)
        //            {
        //                if (i == count - 1)
        //                {
        //                   sb.AppendLine("<li class='last'>");
        //                }
        //                else
        //                    sb.AppendLine("<li>");
        //                List<ModularFun> Sublist = treeModels.Where(p => p.ParentModularFunID == root[i].ModularFunID).ToList();//.ModularFuns.ToList();
        //                int SubCount = Sublist.Count();

        //                #region 显示开始图标

        //                if (SubCount > 0)//非叶节点
        //                {
        //                    sb.AppendLine("<span class='minus'></span>");//展开图标
        //                }
        //                //else//叶节点
        //                //{
        //                //    if (i == count - 1)
        //                //        sb.AppendLine("<img src='/images/Tree/lastli.gif'/>");
        //                //    else
        //                //        sb.AppendLine("<img src='/images/Tree/line3.gif'/>");
        //                //}
        //                #endregion

        //                #region 复选框

        //                sb.AppendLine("<span class='bindPic checkBoxPic'></span>");

        //                #endregion

        //                #region 显示类型标记图标

        //                if (SubCount > 0)//非叶节点
        //                {
        //                    sb.AppendLine("<span class='bindPic iconDir'></span>");//展开图标
        //                }
        //                else
        //                    sb.AppendLine("<span class='bindPic iconFile'></span>");//展开图标
        //                #endregion

        //                #region a

        //                TagBuilder tag = new TagBuilder("a");    //创建<a>标签
        //                tag.MergeAttribute("href", "#");//pageUrl(i));
        //                tag.MergeAttribute("onclick", "nav('/" + root[i].ControllName + "/" + root[i].ActionName + "')");//," + i + ");");
        //                tag.InnerHtml = root[i].Name;
        //                sb.AppendLine(tag.ToString());

        //                #endregion


        //                sb.Append(BindTree(root[i], treeModels));
        //                sb.AppendLine("</li>");

        //                //foreach (var item in list)
        //                //{
        //                //    sb.Append("<li>");

        //                //    TagBuilder tag = new TagBuilder("a");    //创建<a>标签
        //                //    tag.MergeAttribute("href", "#");//pageUrl(i));
        //                //    tag.MergeAttribute("onclick", "nav('/" + item.ControllName + "/" + item.ActionName + "')");//," + i + ");");
        //                //    tag.InnerHtml = item.Name;

        //                //    sb.Append(tag.ToString());
        //                //    sb.Append("</li>");
        //                //    sb.Append(BindTree(item, treeModels));
        //                //}
        //            }
        //            sb.Append("</ul>");
        //        }
        //    }
        //    MvcHtmlString mstr = new MvcHtmlString(sb.ToString());
        //    return mstr;
        //}
    }
}

1.B.4,

1.C,下载地址返回顶部

 

作者：ylbtech 出处：http://ylbtech.cnblogs.com/ 本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。