/// <summary>批量删除，根据JoinName和JoinId</summary>
/// <param name="joinName">相关表名，即UploadConfig.JoinName</param>
/// <param name="joinId">相关ID,即UploadConfig.JoinID</param>
public static void Upload_BatDelPic(string joinName, int joinId)
{
if (string.IsNullOrEmpty(joinName) || joinId < 1)
{
return;
}
//string sql = "select Id,Path from UploadFile where JoinName='+joinName+' and JoinId=" + joinId;
//-------------------------------------------------
var dt = UploadFile.Find(x => x.JoinId == joinId && x.JoinName == joinName);
foreach (var rs in dt)
{
DirFileHelper.DelPicFile(rs.Path);
UploadFile.Delete(x => x.Id == rs.Id);
}
}