public async Task SaveSiteNotification([FromBody][Required] string siteNotification)
{
SiteNotice notice = _db.SiteNotice.First();
notice.Content = siteNotification;
await _db.SaveChangesAsync();
}
public SiteNoticeVM(SiteNotice bo)
{
Id = bo.Id;
Name = bo.Name;
Description = bo.Description;
Publisher = bo.Publisher;
CreateTime = bo.CreateTime;
}
/// <summary>
/// 处理公告的图片上传
/// </summary>
/// <param name="entity"></param>
private async Task <bool> UploadNoticeIMG(SiteNotice entity)
{
try
{
var images = Request.Form.Files;
if (images.Count() > 0)
{
foreach (var image in images)
{
if (image != null)
{
var currImageName = image.FileName;
var timeForFile = (DateTime.Now.ToString("yyyyMMddHHmmss") + "-").Trim();
string extensionName = currImageName.Substring(currImageName.LastIndexOf("."));
var imageName = ContentDispositionHeaderValue
.Parse(image.ContentDisposition)
.FileName
.Trim('"')
.Substring(image.FileName.LastIndexOf("\\") + 1);
var newImageName = timeForFile + Guid.NewGuid() + extensionName;
var boPath = "../../images/UploadImages/" + ImageType.Notices.ToString() + "/" + newImageName;
var imagePath = _hostingEnv.WebRootPath + $@"\images\UploadImages\{ImageType.Notices.ToString()}";
imageName = _hostingEnv.WebRootPath + $@"\images\UploadImages\{ImageType.Notices.ToString()}\{newImageName}";
Directory.CreateDirectory(imagePath); //创建目录
using (FileStream fs = System.IO.File.Create(imageName))
{
image.CopyTo(fs);
fs.Flush();
}
var noticeIMG = new BusinessImage
{
Name = newImageName,
DisplayName = currImageName,
OriginalFileName = currImageName,
Description = "站点公告图片",
RelevanceObjectId = entity.Id,
UploaderId = Guid.Empty,
UploadPath = boPath,
PhysicalPath = imageName,
FileSize = image.Length,
Type = ImageType.Notices
};
await _businessImage.AddOrEditAndSaveAsyn(noticeIMG);
}
}
return(true);
}
return(false);
}
catch (Exception)
{
return(false);
}
}
public async Task <IActionResult> CreateSiteNotice(SiteNoticeVM input)
{
if (string.IsNullOrEmpty(input.Name) || string.IsNullOrEmpty(input.Description))
{
return(Json(new { result = false, message = "必填项为空，请检查标题和内容是否已经选择和填写！" }));
}
var siteNotice = new SiteNotice
{
Publisher = GetUser(),
Name = EncodeFilterHelper.EncodeHtml(input.Name),
Description = EncodeFilterHelper.EncodeHtml(input.Description)
};
var r = await _siteNotice.AddOrEditAndSaveAsyn(siteNotice);
if (r)
{
await UploadNoticeIMG(siteNotice);
return(Json(new { result = true }));
}
return(Json(new { result = false, message = "发布失败，请重试！" }));
}
