/// <summary>
/// 注册程序集
/// </summary>
/// <param name="assemblyString">程序集名称的长格式</param>
public static void RegisterAssembly(string assemblyString)
{
LogTimeUtil logTimeUtil = new LogTimeUtil();
Assembly assembly = Assembly.Load(assemblyString);
Type[] typeArr = assembly.GetTypes();
string iServiceInterfaceName = typeof(IService).FullName;
foreach (Type type in typeArr)
{
Type typeIService = type.GetInterface(iServiceInterfaceName);
if (typeIService != null && !type.IsAbstract)
{
Type[] interfaceTypeArr = type.GetInterfaces();
object obj = Activator.CreateInstance(type);
_dict.GetOrAdd(type, obj);
foreach (Type interfaceType in interfaceTypeArr)
{
if (interfaceType != typeof(IService))
{
_dict.GetOrAdd(interfaceType, obj);
}
}
}
}
logTimeUtil.LogTime("ServiceHelper.RegisterAssembly 注册程序集 " + assemblyString + " 耗时");
}
/// <summary>
/// 获取键值对
/// </summary>
internal static object GetValue(string key)
{
try
{
LogTimeUtil log = new LogTimeUtil();
string keyMd5 = GetMD5(key);
string path = _folderPath + "\\" + keyMd5 + ".txt";
lock (_dictLocksForReadFile.GetOrAdd(key, key))
{
if (File.Exists(path))
{
using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read))
{
CacheData data = (CacheData)formatter.Deserialize(fs);
fs.Close();
if (data.expirationSeconds > 0 && DateTime.Now.Subtract(data.updateTime).TotalSeconds > data.expirationSeconds)
{
File.Delete(path);
return(null);
}
log.LogTime("FileCacheUtil 读缓存 " + key);
return(data.value);
}
}
}
return(null);
}
catch (Exception ex)
{
LogUtil.Error(ex, "FileCacheUtil读缓存错误");
return(null);
}
}
/// <summary>
/// 保存键值对
/// </summary>
/// <param name="key">缓存键</param>
/// <param name="value">值</param>
/// <param name="expirationSeconds">过期时间(秒)，0表示永不过期</param>
internal static void SetValue(string key, object value, int expirationSeconds = 0)
{
try
{
LogTimeUtil log = new LogTimeUtil();
CacheData data = new CacheData(key, value);
data.updateTime = DateTime.Now;
data.expirationSeconds = expirationSeconds;
if (!Directory.Exists(_folderPath))
{
Directory.CreateDirectory(_folderPath);
}
string keyMd5 = GetMD5(key);
string path = _folderPath + "\\" + keyMd5 + ".txt";
lock (_dictLocksForWriteFile.GetOrAdd(key, key))
{
using (FileStream fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write))
{
fs.SetLength(0);
formatter.Serialize(fs, data);
fs.Close();
}
}
log.LogTime("FileCacheUtil 写缓存 " + key);
}
catch (Exception ex)
{
LogUtil.Error(ex, "FileCacheUtil写缓存错误");
}
}
/// <summary>
/// 异步下载文件
/// </summary>
/// <param name="ftpPath">ftp路径</param>
/// <param name="ftpUserId">用户名</param>
/// <param name="ftpPassword">密码</param>
/// <param name="relativeFilePath">文件相对路径</param>
public static async Task <MemoryStream> DownloadFileAsync(string ftpPath, string ftpUserId, string ftpPassword, string relativeFilePath)
{
try
{
FtpWebRequest request = null;
LogTimeUtil log = new LogTimeUtil();
request = (FtpWebRequest)WebRequest.Create(new Uri(Path.Combine(ftpPath, relativeFilePath).Replace("\\", "/")));
request.Credentials = new NetworkCredential(ftpUserId, ftpPassword);
request.Method = "RETR";
FtpWebResponse response = (FtpWebResponse)(await request.GetResponseAsync());
Stream responseStream = response.GetResponseStream();
MemoryStream stream = new MemoryStream();
byte[] bArr = new byte[1024 * 1024];
int size = await responseStream.ReadAsync(bArr, 0, (int)bArr.Length);
while (size > 0)
{
stream.Write(bArr, 0, size);
size = await responseStream.ReadAsync(bArr, 0, (int)bArr.Length);
}
stream.Seek(0, SeekOrigin.Begin);
responseStream.Close();
log.LogTime("FtpUtil.DownloadFileAsync 下载 filePath=" + relativeFilePath);
return(stream);
}
catch (Exception ex)
{
LogUtil.Error("FtpUtil.DownloadFileAsync 异步下载文件 错误");
throw ex;
}
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="ftpPath">ftp路径</param>
/// <param name="ftpUserId">用户名</param>
/// <param name="ftpPassword">密码</param>
/// <param name="relativeFilePath">文件相对路径</param>
/// <param name="bArr">文件内容</param>
public static void UploadFile(string ftpPath, string ftpUserId, string ftpPassword, string relativeFilePath, byte[] bArr)
{
try
{
FtpWebRequest request = null;
LogTimeUtil log = new LogTimeUtil();
request = (FtpWebRequest)WebRequest.Create(new Uri(Path.Combine(ftpPath, relativeFilePath).Replace("\\", "/")));
request.Credentials = new NetworkCredential(ftpUserId, ftpPassword);
request.Method = "STOR";
Stream postStream = request.GetRequestStream();
int pageSize = 1024 * 1024;
int index = 0;
while (index < bArr.Length)
{
if (bArr.Length - index > pageSize)
{
postStream.Write(bArr, index, pageSize);
index += pageSize;
}
else
{
postStream.Write(bArr, index, bArr.Length - index);
index = index + (bArr.Length - index);
}
}
postStream.Close();
FtpWebResponse response = (FtpWebResponse)request.GetResponse();
Stream responseStream = response.GetResponseStream();
StreamReader sr = new StreamReader(responseStream, Encoding.UTF8);
string result = sr.ReadToEnd();
responseStream.Close();
log.LogTime("FtpUtil.UploadFile 上传 filePath=" + relativeFilePath);
}
catch (Exception ex)
{
LogUtil.Error("FtpUtil.UploadFile 上传文件 错误");
throw ex;
}
}