initFCL

2024-05-08 10:17:02 +08:00
commit f2135bac5e
3844 changed files with 517549 additions and 0 deletions
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+using Newtonsoft.Json.Linq;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Web;
+using System.Web.SessionState;
+
+namespace FineUIPro.Web.AttachFile
+{
+    /// <summary>
+    /// fileupload 的摘要说明
+    /// </summary>
+    public class fileupload : IHttpHandler, IRequiresSessionState
+    {
+        private void ResponseError(HttpContext context)
+        {
+            // 出错了
+            context.Response.StatusCode = 500;
+            context.Response.Write("No file");
+        }
+
+        public void ProcessRequest(HttpContext context)
+        {
+            context.Response.ContentType = "text/plain";
+
+            string owner = context.Request.Form["owner"];
+            string sessionName = owner.Split('|')[0];
+            string attachPath = owner.Split('|')[1];
+
+            string initFullPath = BLL.Funs.RootPath + attachPath;
+            if (!Directory.Exists(initFullPath))
+            {
+                Directory.CreateDirectory(initFullPath);
+            }
+            if (context.Request.Files.Count == 0)
+            {
+                ResponseError(context);
+                return;
+            }
+
+            if (String.IsNullOrEmpty(owner))
+            {
+                ResponseError(context);
+                return;
+            }
+
+            HttpPostedFile postedFile = context.Request.Files[0];
+            // 文件名完整路径
+            string fileName = postedFile.FileName;
+            // 文件名保存的服务器路径
+            string savedFileName = GetSavedFileName(fileName);
+            postedFile.SaveAs(context.Server.MapPath("~/" + attachPath + "/" + savedFileName));
+
+            string shortFileName = GetFileName(fileName);
+            string fileType = GetFileType(fileName);
+            int fileSize = postedFile.ContentLength;
+
+
+            JObject fileObj = new JObject();
+            string fileId = Guid.NewGuid().ToString();
+
+            fileObj.Add("name", shortFileName);
+            fileObj.Add("type", fileType);
+            fileObj.Add("savedName", savedFileName);
+            fileObj.Add("size", fileSize);
+            fileObj.Add("id", fileId);
+
+            SaveToDatabase(context, sessionName, fileObj);
+
+            context.Response.Write("Success");
+        }
+
+        private void SaveToDatabase(HttpContext context, string sessionName, JObject fileObj)
+        {
+            if (context.Session[sessionName] == null)
+            {
+                context.Session[sessionName] = new JArray();
+            }
+
+            JArray source = context.Session[sessionName] as JArray;
+            source.Add(fileObj);
+
+            context.Session[sessionName] = source;
+        }
+
+
+        private string GetFileType(string fileName)
+        {
+            string fileType = String.Empty;
+            int lastDotIndex = fileName.LastIndexOf(".");
+            if (lastDotIndex >= 0)
+            {
+                fileType = fileName.Substring(lastDotIndex + 1).ToLower();
+            }
+
+            return fileType;
+        }
+
+        private string GetFileName(string fileName)
+        {
+            string shortFileName = fileName;
+            int lastSlashIndex = shortFileName.LastIndexOf("\\");
+            if (lastSlashIndex >= 0)
+            {
+                shortFileName = shortFileName.Substring(lastSlashIndex + 1);
+            }
+
+            return shortFileName;
+        }
+
+        private string GetSavedFileName(string fileName)
+        {
+            fileName = fileName.Replace(":", "_").Replace(" ", "_").Replace("\\", "_").Replace("/", "_");
+            fileName = DateTime.Now.Ticks.ToString() + "_" + fileName;
+
+            return fileName;
+        }
+
+
+        public bool IsReusable
+        {
+            get
+            {
+                return false;
+            }
+        }
+    }
+}