/// <summary>
/// 清空封面图和细节图
/// </summary>
/// <param name="treaguid"></param>
/// <returns>True代表删除成功</returns>
public static bool DeletePic(Guid treaguid)
{
using (var db = new TreasureDataContext())
{
var treasure = db.Treasures.Where(t => t.TreasureUID == treaguid).FirstOrDefault();
if (treasure != null)
{
try
{
treasure.Cover = null;
treasure.DetailPic = null;
db.SubmitChanges();
return(true);
}
catch
{
return(false);
}
}
return(false);
}
}
/// <summary>
/// 封面上传
/// </summary>
/// <returns></returns>
public ActionResult Cover()
{
int count = 0;
string msg = "";
bool isSavedSuccessfully = true;
var userID = Request.Params["UserUID"];
var treasureUID = Request.Params["TreasureUID"];
string fName = "";
string ImageSrc = "";
//遍历文件
try
{
foreach (string fileName in Request.Files)
{
//获取文件对象
HttpPostedFileBase file = Request.Files[fileName];
//保存文件
fName = file.FileName;
//文件不为空，长度大于0
if (file != null && file.ContentLength > 0 && file.ContentLength < 2097152)
{
//储存路径
DirectoryInfo originalDirectory = new DirectoryInfo(string.Format("{0}images\\Treasure", Server.MapPath(@"\")));
//组合字符串成新的路径
string pathString = Path.Combine(originalDirectory.ToString(), userID, treasureUID);
//返回路径的文件名和扩展名
var fileFullName = Path.GetFileName(file.FileName);
//组成相对路径，用于存入数据库显现图片
ImageSrc = "/images/Treasure" + "/" + userID + "/" + treasureUID + "/" + fileFullName;
//获取该路径是否已经存在
bool isExists = Directory.Exists(pathString);
//不存在则新建
if (!isExists)
{
Directory.CreateDirectory(pathString);
}
//完整文件路径
var path = string.Format("{0}\\{1}", pathString, file.FileName);
//保存文件
file.SaveAs(path);
}
else
{
isSavedSuccessfully = false;
}
count++;
break;
}
//路径保存到数据库
using (var db = new TreasureDataContext())
{
var treasure = db.Treasures.Where(t => t.TreasureUID == Guid.Parse(treasureUID) && t.HolderID == userID).FirstOrDefault();
if (treasure != null)
{
treasure.Cover = ImageSrc;
db.SubmitChanges();
}
else
{
return(View("Error"));
}
}
}
catch (Exception ex)
{
msg = ex.Message;
isSavedSuccessfully = false;
}
return(Json(new
{
Result = isSavedSuccessfully,
Message = msg,
Count = count
}));
}
