/// <summary>
/// base64编码的文本转为图片
/// </summary>
/// <param name="photo">base64编码</param>
/// <param name="filePath">保存绝对路径</param>
/// <returns></returns>
public static bool Base64ToImage(string photo, string filePath)
{
try
{
string dirpath = ConfigHelper.GetValue("SaveFile") + "\\" + DateTime.Now.ToString("yyyyMMdd");//文件保存路径
if (!Directory.Exists(dirpath))
{
Directory.CreateDirectory(dirpath);
}
if (File.Exists(filePath))
{
File.Delete(filePath);
}
byte[] arr = Convert.FromBase64String(photo);
MemoryStream ms = new MemoryStream(arr);
Bitmap bmp = new Bitmap(ms);
bmp.Save(filePath);
ms.Close();
return(true);
}
catch (Exception e)
{
Logger.WriteLog("base64编码的文本转为图片出现异常\r\n" + e.Message + "\r\n base64编码" + photo + "\r\n");
return(false);
}
}
/// <summary>
/// 创建缓存项过期
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="obj">object对象</param>
public static void Insert(string key, object obj)
{
if (obj != null)
{
int expires = CommonHelper.GetInt(ConfigHelper.GetValue("TimeCache"));
Insert(key, obj, expires);
}
}
/// <summary>
/// 获取缓存对象
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns>object对象</returns>
public static object GetCache(string key)
{
if (string.IsNullOrEmpty(key))
{
return(null);
}
if (ConfigHelper.GetValue("IsCache") == "false")
{
return(null);
}
return(HttpContext.Current.Cache.Get(key));
}