public ActionResult RunClearImage()
{
int _status = -1;
string _msg = "";
try
{
//获取系统所有图片
var db_sys_all_iamges = new Pri_ArticleImage_Dal().GetAllPri_ArticleImage();
string cp_web_root = OctOceanGlobal.Config.FileRoot_Web_Image;
if (Directory.Exists(cp_web_root))
{
//获取所有的articlekey所在目录
string[] cp_all_web_article_diries = Directory.GetDirectories(cp_web_root);
foreach (string cp_articlekey_dir in cp_all_web_article_diries)
{
string cp_articlekey = Path.GetFileNameWithoutExtension(cp_articlekey_dir + ".wy"); //获取ArticleKey的值
var _db_sys_article_images_where = db_sys_all_iamges.Where(a => a.ArticleKey == cp_articlekey); //判断该目录是否正在使用当中
var db_sys_article_images = _db_sys_article_images_where == null ? null : _db_sys_article_images_where.Select(b => b.ImgName).ToArray();
//如果在数据库中没有找到当前目录正在使用当中，就删除改目录
if (db_sys_article_images == null || db_sys_article_images.Length == 0)
{
Directory.Delete(cp_articlekey_dir, true);
}
else
{
//获取当前key下的所有图片
string[] cp_all_web_article_images = Directory.GetFiles(cp_articlekey_dir);
foreach (string cp_img in cp_all_web_article_images)
{
//如果系统中没有使用该图片，就删除掉
if (!db_sys_article_images.Contains(Path.GetFileName(cp_img)))
{
System.IO.File.Delete(cp_img);
}
}
}
}
}
//清理缓存
if (Directory.Exists(OctOceanGlobal.Config.FileRoot_Cache_Image))
{
Directory.Delete(OctOceanGlobal.Config.FileRoot_Cache_Image, true);
}
_status = 1;
}
catch (Exception ex)
{
_status = 4;
_msg = ex.Message;
}
return(Json(new { status = _status, msg = _msg }));
}
private void BindControll(string ArticleKey)
{
//获取文章分类
Base_ArticleCategory_Dal bacdal = new Base_ArticleCategory_Dal();
this.Base_ArticleCategoryddl = new SelectList(bacdal.GetAllArticleCategory(), "ArticleCategoryCode", "ArticleCategoryName", ""); //默认选择空值
Base_ArticleTag_Dal batdal = new Base_ArticleTag_Dal();
Base_ArticleTagList = batdal.GetAllArticleTag();
Pri_ArticleImage_Dal imgdal = new Pri_ArticleImage_Dal();
var allimagelist = imgdal.GetAllPri_ArticleImage(ArticleKey);
if (allimagelist != null)
{
Pri_ArticleImageList = allimagelist.OrderBy(a => a.UpdateTime).ToList();
}
}
public IActionResult OnGet()
{
ViewData["CurrentPage"] = "ICU";
if (!base.CheckLogin())
{
return(Redirect("/login/index"));
}
//获取系统所有图片
var sys_all_iamges = new Pri_ArticleImage_Dal().GetAllPri_ArticleImage();
string web_root = OctOceanGlobal.Config.FileRoot_Web_Image;
if (Directory.Exists(web_root))
{
//获取所有的文章目录
string[] all_web_article_diries = Directory.GetDirectories(web_root);
foreach (string articlekey_dir in all_web_article_diries)
{
string articlekey = Path.GetFileNameWithoutExtension(articlekey_dir + ".wy");//获取ArticleKey的值
//获取当前key下的所有图片
string[] all_web_article_images = Directory.GetFiles(articlekey_dir);
//如果图片中存在一张没在使用的情况
dicClearImages[articlekey] = all_web_article_images.Select(c => Path.GetFileName(c))
.Where(a => sys_all_iamges.FirstOrDefault(b => b.ArticleKey == articlekey && b.ImgName == a) == null).ToArray();
}
}
BtnDisabled = dicClearImages.Values.Sum(a => a.Length) == 0;
return(Page());
}
