dd

2024-05-08 17:17:11 +08:00
parent 0696f555b2
commit 2f1fca4df2
4528 changed files with 635638 additions and 0 deletions
@@ -0,0 +1,204 @@
+using System;
+using System.Collections.Generic;
+using System.Web;
+using System.IO;
+using System.Collections;
+
+namespace FineUIPro.Examples.res.umeditor.net
+{
+    /// <summary>
+    /// UEditor编辑器通用上传类
+    /// </summary>
+    public class Uploader
+    {
+        string state = "SUCCESS";
+
+        string URL = null;
+        string currentType = null;
+        string uploadpath = null;
+        string filename = null;
+        string originalName = null;
+        HttpPostedFile uploadFile = null;
+
+        /**
+      * 上传文件的主处理方法
+      * @param HttpContext
+      * @param string
+      * @param  string[]
+      *@param int
+      * @return Hashtable
+      */
+        public Hashtable upFile(HttpContext cxt, string pathbase, string[] filetype, int size)
+        {
+            pathbase = pathbase + DateTime.Now.ToString("yyyy-MM-dd") + "/";
+            uploadpath = cxt.Server.MapPath(pathbase);//获取文件上传路径
+            
+            try
+            {
+                uploadFile = cxt.Request.Files[0];
+                originalName = uploadFile.FileName;
+
+                //目录创建
+                createFolder();
+
+                //格式验证
+                if (checkType(filetype))
+                {
+                    state = "不允许的文件类型";
+                }
+                //大小验证
+                if (checkSize(size))
+                {
+                    state = "文件大小超出网站限制";
+                }
+                //提交图片
+                if (state == "SUCCESS")
+                {
+                    filename = reName();
+                    uploadFile.SaveAs(uploadpath + filename);
+                    URL =  pathbase + filename;
+                }
+            }
+            catch (Exception)
+            {
+                state = "未知错误";
+                URL = "";
+            }
+            return getUploadInfo();
+        }
+
+        /**
+     * 上传涂鸦的主处理方法
+      * @param HttpContext
+      * @param string
+      * @param  string[]
+      *@param string
+      * @return Hashtable
+     */
+        public Hashtable upScrawl(HttpContext cxt, string pathbase, string tmppath, string base64Data)
+        {
+            pathbase = pathbase + DateTime.Now.ToString("yyyy-MM-dd") + "/";
+            uploadpath = cxt.Server.MapPath(pathbase);//获取文件上传路径
+            FileStream fs = null;
+            try
+            {
+                //创建目录
+                createFolder();
+                //生成图片
+                filename = System.Guid.NewGuid() + ".png";
+                fs = File.Create(uploadpath + filename);
+                byte[] bytes = Convert.FromBase64String(base64Data);
+                fs.Write(bytes, 0, bytes.Length);
+
+                URL = pathbase + filename;
+            }
+            catch (Exception)
+            {
+                state = "未知错误";
+                URL = "";
+            }
+            finally
+            {
+                fs.Close();
+                deleteFolder(cxt.Server.MapPath(tmppath));
+            }
+            return getUploadInfo();
+        }
+
+        /**
+    * 获取文件信息
+    * @param context
+    * @param string
+    * @return string
+    */
+        public string getOtherInfo(HttpContext cxt, string field)
+        {
+            string info = null;
+            if (cxt.Request.Form[field] != null && !String.IsNullOrEmpty(cxt.Request.Form[field]))
+            {
+                info = field == "fileName" ? cxt.Request.Form[field].Split(',')[1] : cxt.Request.Form[field];
+            }
+            return info;
+        }
+
+        /**
+         * 获取上传信息
+         * @return Hashtable
+         */
+        private Hashtable getUploadInfo()
+        {
+            Hashtable infoList = new Hashtable();
+
+            infoList.Add("state", state);
+            infoList.Add("url", URL);
+            infoList.Add("originalName", originalName);
+            infoList.Add("name", Path.GetFileName(URL));
+            infoList.Add("size", uploadFile.ContentLength);
+            infoList.Add("type", Path.GetExtension(originalName));
+
+            return infoList;
+        }
+
+        /**
+         * 重命名文件
+         * @return string
+         */
+        private string reName()
+        {
+            return System.Guid.NewGuid() + getFileExt();
+        }
+
+        /**
+         * 文件类型检测
+         * @return bool
+         */
+        private bool checkType(string[] filetype)
+        {
+            currentType = getFileExt();
+            return Array.IndexOf(filetype, currentType) == -1;
+        }
+
+        /**
+         * 文件大小检测
+         * @param int
+         * @return bool
+         */
+        private bool checkSize(int size)
+        {
+            return uploadFile.ContentLength >= (size * 1024 * 1024);
+        }
+
+        /**
+         * 获取文件扩展名
+         * @return string
+         */
+        private string getFileExt()
+        {
+            string[] temp = uploadFile.FileName.Split('.');
+            return "." + temp[temp.Length - 1].ToLower();
+        }
+
+        /**
+         * 按照日期自动创建存储文件夹
+         */
+        private void createFolder()
+        {
+            if (!Directory.Exists(uploadpath))
+            {
+                Directory.CreateDirectory(uploadpath);
+            }
+        }
+
+        /**
+         * 删除存储文件夹
+         * @param string
+         */
+        public void deleteFolder(string path)
+        {
+            //if (Directory.Exists(path))
+            //{
+            //    Directory.Delete(path, true);
+            //}
+        }
+    }
+}