ImageUtilM.cs
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using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TSA_V.Common;
namespace TSA_V.DeviceLibrary
{
public class ImageUtilM
{
private static string defPath = @"D:\image\";
public static bool canSavePic(string path = "", int checkZhao = 50)
{
try
{
if (path == "")
{
path = defPath;
}
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
string volume = path.Substring(0, path.IndexOf(':'));
long freespace = GetHardDiskSpace(volume);
int zhao = (int)(freespace / 1024);
if (zhao < checkZhao)
{
LogUtil.error(volume + "盘剩余空间：" + zhao + "G, 不再保存图片");
return false;
}
}
catch (Exception ex)
{
LogUtil.error($"canSavePic {path} error :" + ex.ToString());
return false;
}
return true;
}
private static long GetHardDiskSpace(string str_HardDiskName)
{
long totalSize = 0;
str_HardDiskName = str_HardDiskName + ":\\";
System.IO.DriveInfo[] drives = System.IO.DriveInfo.GetDrives();
foreach (System.IO.DriveInfo drive in drives)
{
if (drive.Name == str_HardDiskName)
{
totalSize = drive.TotalFreeSpace / (1024 * 1024);
}
}
return totalSize;
}
public static bool AutoDelFiles(string path, int maxDay = 5, int minDay = 2)
{
if (Directory.Exists(path).Equals(false))
{
Directory.CreateDirectory(path);
}
for (int day = maxDay; day >= minDay; day--)
{
if (!canSavePic(path))
{
DeleteOldFiles(path, day);
}
else
{
return true;
}
}
return canSavePic();
}
private static void DeleteOldFiles(string path = "", int days = 7)
{
if (path == "")
{
path = defPath;
}
try
{
LogUtil.info($"DeleteOldFiles 开始删除文件夹[{path}][{days}]天前的文件");
if (!Directory.Exists(path) || days < 1) return;
var now = DateTime.Now;
foreach (var f in Directory.GetFileSystemEntries(path).Where(f => File.Exists(f)))
{
DateTime createTime = File.GetCreationTime(f);
var elapsedTicks = now.Ticks - createTime.Ticks;
var elapsedSpan = new TimeSpan(elapsedTicks);
if (elapsedSpan.TotalDays > days)
{
File.Delete(f);
LogUtil.info($"DeleteOldFiles 删除文件： {f} ,创建时间：{createTime.ToLongTimeString()}");
}
}
}
catch (Exception ex)
{
LogUtil.error($"DeleteOldFiles {path} {days} error :" + ex.ToString());
}
}
public static string SaveImageToFile(string deviceName, string cameraName, Image bitmap)
{
string date = DateTime.Now.ToString("yy-MM-dd-HH-mm-ss-") + DateTime.Now.Millisecond;
string dire = @"D:\image\" + deviceName.Trim().Replace('_', '-') + @"\" + cameraName.Trim().Replace('_', '-').Replace(':', '-') + @"\";
string iamgeName = date + ".bmp";
try
{
if (AutoDelFiles(dire))
{
bitmap.Save(dire + iamgeName, ImageFormat.Bmp);
//bitmap.Dispose();
LogUtil.info(deviceName + " 【" + cameraName + "】 保存图片到【" + dire + iamgeName + "】成功");
}
}
catch (Exception ex)
{
LogUtil.error("保存" + deviceName + " 【" + cameraName + "】的图片到【" + dire + iamgeName + "】出错" + ex.ToString());
}
return dire + iamgeName;
}
}
}