• xhEditor在线编辑器使用实例


    使用xhEditor的最大好处就是不用去处理烦人的HTML标签问题,研究了一天,记录备用

    前台HTML:

    <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Editor.aspx.cs" Inherits="xhEditor在线编辑器.Editor" %>
    
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <title></title>
        <script src="Scripts/jquery-1.7.1.min.js" type="text/javascript"></script>
        <script src="Scripts/xhEditor/xheditor-1.2.1.min.js" type="text/javascript"></script>
        <script src="Scripts/xhEditor/xheditor_lang/zh-cn.js" type="text/javascript"></script>
        <script type="text/javascript">
            $(function () {
                //初始化编辑器
                $('#elem1').xheditor({ tools: 'full',  '99.4%', height: '426px', forcePtag: false,
                    upBtnText: '上传', upMultiple: 1, upLinkUrl: 'upload.aspx',
                    upImgUrl: 'upload.aspx', upImgExt: 'jpg,jpeg,gif,png',
                    upFlashUrl: 'upload.aspx', upFlashExt: 'swf',
                    upMediaUrl: 'upload.aspx', upMediaExt: 'wmv,avi,wma,mp3,mid'
                });
            });
            //存值
            function setValue() {
                $.ajax({
                    cache: false,
                    url: "upload.ashx",
                    data: { "text": $("#elem1").val() },
                    success: function (e) {
                        //alert("success");
                        window.location.href = "Success.aspx";
                    }
                });
            }
            //取值
            function getText() {
                $.ajax({
                    cache: false,
                    url: "getValue.ashx",
                    success: function (e) {
                        //alert(e);
                        $("#getDIV").append(e);
                    }
                });
            }
        </script>
    </head>
    <body>
        <form id="form1" method="POST">
        <div id="editorDIV" style=" 900px">
            <hr />
            <br />
            <textarea id="elem1" name="content" >test</textarea>
            <br />
            <hr />
            <input type="button" value="提交" onclick="setValue()" />
            <input type="reset" name="reset" value="重置" />
            <input type="button" onclick="getText()" value="取值"/>
        </div>
        <hr/>
        <div id = "getDIV">
            
        </div>
        </form>
    </body>
    </html>
    <%--使用指南http://xheditor.com/manual/1--%>


    处理后台页:

    <%@ Page Language="C#" AutoEventWireup="true" CodePage="65001" %>
    
    <%@ Import Namespace="System" %>
    <%@ Import Namespace="System.Collections" %>
    <%@ Import Namespace="System.Configuration" %>
    <%@ Import Namespace="System.Data" %>
    <%@ Import Namespace="System.Web" %>
    <%@ Import Namespace="System.Web.Security" %>
    <%@ Import Namespace="System.Web.UI" %>
    <%@ Import Namespace="System.Web.UI.HtmlControls" %>
    <%@ Import Namespace="System.Web.UI.WebControls" %>
    <%@ Import Namespace="System.Web.UI.WebControls.WebParts" %>
    <%@ Import namespace="System.Data.SqlClient" %>
    <script runat="server">
        /*
     * upload demo for c# .net 2.0
     * 
     * @requires xhEditor
     * @author Jediwolf<jediwolf@gmail.com>
     * @licence LGPL(http://www.opensource.org/licenses/lgpl-license.php)
     * 
     * @Version: 0.1.4 (build 111027)
     * 
     * 注1:本程序仅为演示用,请您务必根据自己需求进行相应修改,或者重开发
     * 注2:本程序将HTML5上传与普通POST上传转换为byte类型统一处理
     * 
     */
    
        protected void Page_Load(object sender, EventArgs e)
        {
            Response.Charset = "UTF-8";
    
            // 初始化一大堆变量
            string inputname = "filedata";//表单文件域name
            string attachdir = "upload";     // 上传文件保存路径,结尾不要带/
            int dirtype = 1;                 // 1:按天存入目录 2:按月存入目录 3:按扩展名存目录  建议使用按天存
            int maxattachsize = 2097152;     // 最大上传大小,默认是2M
            string upext = "txt,rar,zip,jpg,jpeg,gif,png,swf,wmv,avi,wma,mp3,mid";    // 上传扩展名
            int msgtype = 2;                 //返回上传参数的格式:1,只返回url,2,返回参数数组
            string immediate = Request.QueryString["immediate"];//立即上传模式,仅为演示用
            byte[] file;                     // 统一转换为byte数组处理
            string localname = "";
            string disposition = Request.ServerVariables["HTTP_CONTENT_DISPOSITION"];
    
            string err = "";
            string msg = "''";
    
            if (disposition != null)
            {
                // HTML5上传
                file = Request.BinaryRead(Request.TotalBytes);
                localname = Server.UrlDecode(Regex.Match(disposition, "filename="(.+?)"").Groups[1].Value);// 读取原始文件名
            }
            else
            {
                HttpFileCollection filecollection = Request.Files;
                HttpPostedFile postedfile = filecollection.Get(inputname);
    
                // 读取原始文件名
                localname = postedfile.FileName;
                // 初始化byte长度.
                file = new Byte[postedfile.ContentLength];
    
                // 转换为byte类型
                System.IO.Stream stream = postedfile.InputStream;
                stream.Read(file, 0, postedfile.ContentLength);
                stream.Close();
    
                filecollection = null;
            }
    
            if (file.Length == 0) err = "无数据提交";
            else
            {
                if (file.Length > maxattachsize) err = "文件大小超过" + maxattachsize + "字节";
                else
                {
                    string attach_dir, attach_subdir, filename, extension, target;
    
                    // 取上载文件后缀名
                    extension = GetFileExt(localname);
    
                    if (("," + upext + ",").IndexOf("," + extension + ",") < 0) err = "上传文件扩展名必需为:" + upext;
                    else
                    {
                        switch (dirtype)
                        {
                            case 2:
                                attach_subdir = "month_" + DateTime.Now.ToString("yyMM");
                                break;
                            case 3:
                                attach_subdir = "ext_" + extension;
                                break;
                            default:
                                attach_subdir = "day_" + DateTime.Now.ToString("yyMMdd");
                                break;
                        }
                        attach_dir = attachdir + "/" + attach_subdir + "/";
    
                        // 生成随机文件名
                        Random random = new Random(DateTime.Now.Millisecond);
                        filename = DateTime.Now.ToString("yyyyMMddhhmmss") + random.Next(10000) + "." + extension;
    
                        target = attach_dir + filename;
                        //记录文件名和文件路径
                        Session["filename"] = filename;
                        Session["route"] = target;
                        try
                        {
                            CreateFolder(Server.MapPath(attach_dir));
    
                            System.IO.FileStream fs = new System.IO.FileStream(Server.MapPath(target), System.IO.FileMode.Create, System.IO.FileAccess.Write);
                            fs.Write(file, 0, file.Length);
                            fs.Flush();
                            fs.Close();
                        }
                        catch (Exception ex)
                        {
                            err = ex.Message.ToString();
                        }
    
                        // 立即模式判断
                        if (immediate == "1") target = "!" + target;
                        target = jsonString(target);
                        if (msgtype == 1) msg = "'" + target + "'";
                        else msg = "{'url':'" + target + "','localname':'" + jsonString(localname) + "','id':'1'}";
                    }
                }
            }
    
            file = null;
    
            Response.Write("{'err':'" + jsonString(err) + "','msg':" + msg + "}");
        }
    
    
        string jsonString(string str)
        {
            str = str.Replace("\", "\\");
            str = str.Replace("/", "\/");
            str = str.Replace("'", "\'");
            return str;
        }
    
    
        string GetFileExt(string FullPath)
        {
            if (FullPath != "") return FullPath.Substring(FullPath.LastIndexOf('.') + 1).ToLower();
            else return "";
        }
    
        void CreateFolder(string FolderPath)
        {
            if (!System.IO.Directory.Exists(FolderPath)) System.IO.Directory.CreateDirectory(FolderPath);
        }
        
    </script>
    


    保存到数据库:

    using System;
    using System.Collections.Generic;
    using System.Data.SqlClient;
    using System.Linq;
    using System.Web;
    using System.Data;
    
    namespace xhEditor在线编辑器
    {
        /// <summary>
        /// Summary description for getValue
        /// </summary>
        public class getValue : IHttpHandler
        {
    
            public void ProcessRequest(HttpContext context)
            {
                context.Response.ContentType = "text/plain";
                //context.Response.Write("Hello World");
                string connStr = "server = .;database = Test1;uid=sa;pwd=password";
                using (SqlConnection conn = new SqlConnection(connStr))
                {
                    string id = Guid.NewGuid().ToString();
                    string sqlstr = "select top 1 text from dbo.editor";
                    using (SqlCommand cmd = new SqlCommand(sqlstr, conn))
                    {
                        conn.Open();
                        using (SqlDataAdapter dapter = new SqlDataAdapter(cmd))
                        {
                            DataTable ds = new DataTable();
                            dapter.Fill(ds);
                            context.Response.Write(ds.Rows[0][0].ToString());
                        }
                    }
                }
            }
    
            public bool IsReusable
            {
                get
                {
                    return false;
                }
            }
        }
    }

    从数据库读取数据:

    using System;
    using System.Data.SqlClient;
    using System.Linq;
    using System.Web;
    using System.Data;
    namespace xhEditor在线编辑器
    {
        public partial class Success : System.Web.UI.Page
        {
            protected string text = string.Empty;
            protected void Page_Load(object sender, EventArgs e)
            {
                string connStr = "server = .;database = Test1;uid=sa;pwd=password";
                using (SqlConnection conn = new SqlConnection(connStr))
                {
                    string id = Guid.NewGuid().ToString();
                    string sqlstr = "select top 1 text from dbo.editor";
                    using (SqlCommand cmd = new SqlCommand(sqlstr, conn))
                    {
                        conn.Open();
                        using (SqlDataAdapter dapter = new SqlDataAdapter(cmd))
                        {
                            DataTable ds = new DataTable();
                            dapter.Fill(ds);
                            text = ds.Rows[0][0].ToString();
                        }
                    }
                }
            }
        }
    }


    层次结构:


    数据库结构:


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  • 原文地址:https://www.cnblogs.com/james1207/p/3400134.html
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