public JsonResult GetInfo(string ID)
{
var mql2 = Sys_FilesSet.SelectAll().Where(Sys_FilesSet.FileId.Equal(ID));
Sys_Files Rmodel = OPBiz.GetEntity(mql2);
// groupsBiz.Add(rol);
return(Json(Rmodel, JsonRequestBehavior.AllowGet));
}
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
//context.Response.Write("Hello World");
string action = context.Request["action"];
HttpReSultMode jmsg = new HttpReSultMode();
switch (action)
{
case "addImg": //上传单图片 返回文件信息json
jmsg = addImg(context);
context.Response.Write(JsonHelper.ToJson(jmsg));
context.Response.End();
break;
case "addFile": //上传文件 返回文件信息json
jmsg = addFile(context);
context.Response.Write(JsonHelper.ToJson(jmsg));
context.Response.End();
break;
case "GetFileList": //根据id集获取文件列表
#region
string id = context.Request["ToId"];
string SourceTable = context.Request["SourceTable"];
if (!string.IsNullOrEmpty(id))
{
var mql = Sys_FilesSet.SelectAll().Where(Sys_FilesSet.ToId.Equal(id).And(Sys_FilesSet.SourceTable.Equal(SourceTable)));
List <Sys_Files> list = OPBiz.GetOwnList(mql);
context.Response.Write(JsonHelper.ToJson(list, true));
}
else
{
context.Response.Write("[]");
}
context.Response.End();
#endregion
break;
case "SaveToid": //保存更改ToID
#region
string Tid = FilterTools.FilterSpecial(context.Request["ToId"]);
string IdSet = FilterTools.FilterSpecial(context.Request["IdSet"]);
if (!string.IsNullOrEmpty(context.Request["ToId"]) && !string.IsNullOrEmpty(context.Request["IdSet"]))
{
string sql = " update Sys_Files set ToId='" + Tid + "' where FileId in (" + IdSet + ")";
int i = OPBiz.ExecuteSqlWithNonQuery(sql);
if (i > 0)
{
jmsg.Code = 11;
jmsg.Data = i.ToString();
jmsg.Msg = "上传成功";
}
else
{
jmsg.Code = -11;
jmsg.Data = "0";
jmsg.Msg = "上传失败";
}
}
else
{
jmsg.Code = -11;
jmsg.Data = "0";
jmsg.Msg = "数据为空";
}
context.Response.Write(JsonHelper.ToJson(jmsg, true));
context.Response.End();
#endregion
break;
case "Delfile": //删除文件
#region
if (!string.IsNullOrEmpty(context.Request["IdSet"]))
{
string[] IDSet = context.Request["IdSet"].ToString().Split(',');
var mql2 = Sys_FilesSet.FileId.In(IDSet);
var selectm = Sys_FilesSet.SelectAll().Where(mql2);
List <Sys_Files> listDel = OPBiz.GetEntities(selectm);
//数据库删除
int f = OPBiz.Remove <Sys_FilesSet>(mql2);
if (f > 0)
{
jmsg.Code = 11;
jmsg.Data = f.ToString();
jmsg.Msg = "删除成功";
#region 文件删除
try {
string HttpFileRoute = ConfigurationManager.AppSettings["HttpFileRoute"].ToString(); //文件保存本地路径根目录
for (int i = 0; i < listDel.Count; i++)
{
string path = HttpFileRoute + listDel[i].RelativePath;
ZFiles.FilePicDelete(path);
}
}
catch (Exception ex) {
//jmsg.Code = -13;
//jmsg.Data = ex.Message;
//jmsg.Msg = "删除失败";
}
#endregion
}
else
{
jmsg.Code = -11;
jmsg.Data = "0";
jmsg.Msg = "删除失败";
}
}
else
{
jmsg.Code = -11;
jmsg.Data = "0";
jmsg.Msg = "数据为空";
}
context.Response.Write(JsonHelper.ToJson(jmsg, true));
context.Response.End();
#endregion
break;
case "Download":
#region
if (!string.IsNullOrEmpty(context.Request["Url"]))
{
// 检查请求下载文件的有效性
string filePath = System.Web.HttpContext.Current.Server.MapPath(context.Request["Url"]);
if (!System.IO.File.Exists(filePath))
{
throw new ArgumentException("无效文件，文件不存在!");
}
//WriteFile实现下载
string fileName = context.Request["fileName"]; //客户端保存的文件名
FileInfo fileInfo = new FileInfo(filePath);
context.Response.Clear();
context.Response.ClearContent();
context.Response.ClearHeaders();
context.Response.AddHeader("Content-Disposition", "attachment;filename=" + fileName);
context.Response.AddHeader("Content-Length", fileInfo.Length.ToString());
context.Response.AddHeader("Content-Transfer-Encoding", "binary");
context.Response.ContentType = "application/octet-stream";
context.Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
context.Response.WriteFile(fileInfo.FullName);
context.Response.Flush();
context.Response.End();
}
#endregion
break;
}
}
