/// <summary>
/// 压缩一个数据集到文件
/// </summary>
/// <param name="dataSet"></param>
/// <param name="destFileName"></param>
/// <param name="cry"></param>
/// <param name="cryKey"></param>
/// <returns></returns>
public I3MsgInfo CompressADataSet(DataSet dataSet, string destFileName, bool cry, string cryKey)
{
#region 初始化临时文件变量
string tmpDir = I3DirectoryUtil.GetAppTmpTmpDir();
string tmpDataSetFile = Path.Combine(tmpDir, "DataSet.tmp");
string tmpRarFile = Path.Combine(tmpDir, I3DateTimeUtil.ConvertDateTimeToLongString(DateTime.Now) + ".tmp");
if ((!I3DirectoryUtil.CreateDirctory(tmpDir).State) || (!I3FileUtil.CheckFileNotExists(tmpDataSetFile)) || (!I3FileUtil.CheckFileNotExists(tmpRarFile)))
{
return(new I3MsgInfo(false, ""));
}
#endregion
try
{
#region 数据集保存到临时文件
try
{
//保存时要写入架构信息，否则字段类型有可能会更改，如Int32更改为String
dataSet.WriteXml(tmpDataSetFile, XmlWriteMode.WriteSchema);
}
catch (Exception ex)
{
return(new I3MsgInfo(false, "数据集保存到临时文件失败！文件名：" + tmpDataSetFile + "错误信息：" + ex.Message));
}
if (!File.Exists(tmpDataSetFile))
{
return(new I3MsgInfo(false, "数据集保存到临时文件失败！文件名：" + tmpDataSetFile));
}
#endregion
#region 数据集临时文件压缩到临时压缩包
I3MsgInfo msg = this.CompressASingleFile(tmpDataSetFile, tmpRarFile);
if (!msg.State)
{
return(msg);
}
if (!File.Exists(tmpRarFile))
{
return(new I3MsgInfo(false, "数据集临时文件压缩失败！文件名：" + tmpDataSetFile));
}
#endregion
#region 临时压缩包加密到目标文件
if (cry)
{
return(I3RijnDaelCry.CryFile(tmpRarFile, destFileName, cryKey));
}
else
{
return(I3FileUtil.MoveFile(tmpRarFile, destFileName, true));
}
#endregion
}
finally
{
#region 除临时文件
I3DirectoryUtil.DeleteDirctory(tmpDir);
#endregion
}
}
public DateTime GetTime(string Big, string Small, DateTime Default)
{
string s = GetString(Big, Small, I3DateTimeUtil.ConvertDateTimeToDateTimeString(Default));
try
{
return(I3DateTimeUtil.ConvertStringToDateTime(s));
}
catch (Exception)
{
return(Default);
}
}
public static DateTime GetDateTime(string key)
{
string tmp = GetString(key);
DateTime result;
try
{
result = I3DateTimeUtil.ConvertStringToDateTime(tmp);
}
catch
{
throw new InvalidCastException(string.Format("读取配置{0}时出错错误，值{1}不是一个DateTime。\r\n其格式必须类似于 2001-01-01 12:00:00", key, tmp));
}
return(result);
}
public static void Set(string key, object value)
{
if (value == null)
{
throw new ArgumentNullException(string.Format("设置配置{0}的值时出现错误，值不能为null", key));
}
if (value is DateTime)
{
Set(key, I3DateTimeUtil.ConvertDateTimeToDateTimeString((DateTime)value));
}
else
{
Set(key, value.ToString());
}
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.Append(Mode.ToString());
sb.Append("\r\n");
sb.Append(BeginChecked.ToString());
sb.Append("\r\n");
sb.Append(EndChecked.ToString());
sb.Append("\r\n");
sb.Append(I3DateTimeUtil.ConvertDateTimeToDateString(Begin));
sb.Append("\r\n");
sb.Append(I3DateTimeUtil.ConvertDateTimeToDateString(End));
return(sb.ToString());
}
/// <summary>
/// 根据设置刷新结果
/// </summary>
public void RefreshResult()
{
switch (fieldType)
{
case I3SearchItemType.sitString:
switch (searchType)
{
case I3SearchType.stNone:
lookString = "";
searchString = "";
break;
case I3SearchType.stEqual:
lookString = fieldCaption + " 等于 " + String1;
searchString = fieldName + " = " + I3DBUtil.QuotedStr(string1);
break;
case I3SearchType.stDim:
lookString = fieldCaption + " 包含 " + String1;
searchString = fieldName + " like " + I3DBUtil.QuotedStr("%" + string1 + "%");
break;
case I3SearchType.stInterval:
lookString = "";
searchString = "";
break;
default:
lookString = "";
searchString = "";
break;
}
break;
case I3SearchItemType.sitNum:
switch (SearchType)
{
case I3SearchType.stNone:
lookString = "";
searchString = "";
break;
case I3SearchType.stEqual:
lookString = fieldCaption + " 等于 " + num1.ToString();
searchString = fieldName + " = " + num1.ToString();
break;
case I3SearchType.stDim:
lookString = "";
searchString = "";
break;
case I3SearchType.stInterval:
lookString = fieldCaption + "在" + num1.ToString() + "和" + num2.ToString() + "之间";
searchString = "(" + fieldName + " >= " + num1.ToString()
+ " and " + fieldName + " <= " + num2.ToString() + ")";
break;
default:
lookString = "";
searchString = "";
break;
}
break;
case I3SearchItemType.sitDate:
switch (SearchType)
{
case I3SearchType.stNone:
lookString = "";
searchString = "";
break;
case I3SearchType.stEqual:
lookString = fieldCaption + " 等于 " + I3DateTimeUtil.ConvertDateTimeToDateString(date1);
searchString = " Convert(char(10)," + fieldName + ",126) = "
+ I3DBUtil.QuotedStr(I3DateTimeUtil.ConvertDateTimeToDateString(date1));
break;
case I3SearchType.stDim:
lookString = "";
searchString = "";
break;
case I3SearchType.stInterval:
lookString = fieldCaption + "在" + I3DateTimeUtil.ConvertDateTimeToDateString(date1)
+ "和" + I3DateTimeUtil.ConvertDateTimeToDateString(date2) + "之间";
searchString = " Convert(char(10)," + fieldName + ",126) between "
+ I3DBUtil.QuotedStr(I3DateTimeUtil.ConvertDateTimeToDateString(date1))
+ " and "
+ I3DBUtil.QuotedStr(I3DateTimeUtil.ConvertDateTimeToDateString(date2));
break;
default:
lookString = "";
searchString = "";
break;
}
break;
default:
lookString = "";
searchString = "";
break;
}
}
/// <summary>
/// 根据fileInfoList的设置，生成新的压缩包文件
///
/// 错误处理：IEFS_Error.LastErrorMessage
///
/// </summary>
/// <returns></returns>
public I3MsgInfo Flush()
{
#region 定义变量
string message;
ZipOutputStream outputStream = null;
int addFileCount = GetAddFileCount() + GetNormalFileCount();
long totalAddFileSize = GetTotalAddFileSize() + GetTotalNormalFileSize(); //所有需要压缩的文件的字节数
long passFileSize = 0; //已经压缩的文件的字节数
long totalPosition = 0; //总共压缩到的字节数
#endregion
#region 检查临时文件与临时目录
string tmpFile = fileName + ".tmpsharpzip";
if (!I3FileUtil.CheckFileNotExists(tmpFile))
{
return(new I3MsgInfo(false, ""));
}
string tmpDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, I3DateTimeUtil.ConvertDateTimeToLongString(DateTime.Now));
I3MsgInfo msg = I3DirectoryUtil.CheckAndClearDirctory(tmpDir);
if (!msg.State)
{
return(msg);
}
#endregion
try
{
#region 解压所有不需要替换或者删除的文件到临时目录
msg = UnCompressAllFile(tmpDir, true);
if (!msg.State)
{
return(msg);
}
#endregion
#region 开始压缩状态为normal、New、Change三种状态的文件到临时文件中
try
{
#region 压缩
outputStream = new ZipOutputStream(File.Create(tmpFile));
outputStream.SetLevel(zipLevel);
if (!string.IsNullOrEmpty(passWord))
{
outputStream.Password = passWord;
}
int fileindex = 0;
foreach (I3SharpZipFileInfo info in fileInfoList)
{
#region 判断文件是否要参与压缩
if (info.Mode == I3SZFileInfoMode.szimDelete)
{
continue;
}
#endregion
#region 发送文件个数进度信息
message = "正在压缩文件\"" + info.FileName + "\"";
fileindex++;
OnMutiFileProcessReport(addFileCount, fileindex, message);
#endregion
#region 写入ZipEntry
//outputStream.PutNextEntry(GetEntry(info.FileName, info.FullName));
//自己在ZipEntry中写入CRC信息，读取时会报Eof of Header的错误
//在网上查找资料后发现，新版SharpZip.dll已经更改，不再需要自己写入CRC等信息
outputStream.PutNextEntry(new ZipEntry(info.FileName));
info.Mode = I3SZFileInfoMode.szimNormal;
if (info.FileSize == 0)
{
continue;
}
#endregion
FileStream sourceFileStream = null;
try
{
#region 将文件写入压缩流
sourceFileStream = File.OpenRead(info.FullName);
sourceFileStream.Position = 0;
//IEFS_Stream.WriteStreamToStream(null, sourceFileStream, outputStream, blockSize, null);
byte[] data = new byte[blockSize];
long longsize = 0;
while (true)
{
int size = sourceFileStream.Read(data, 0, data.Length);
if (size > 0)
{
outputStream.Write(data, 0, size);
longsize += size;
OnSingleFileProcessReport(info.FileSize, longsize, message);
totalPosition = passFileSize + longsize;
OnTotalBytesProcessReport(totalAddFileSize, totalPosition, message);
}
else
{
break;
}
}
passFileSize += longsize;
#endregion
}
finally
{
#region 释放单个文件的文件流
if (sourceFileStream != null)
{
sourceFileStream.Close();
}
#endregion
}
}
#endregion
}
#region 错误处理
catch (Exception ex)
{
return(new I3MsgInfo(false, ex.Message, ex));
}
#endregion
#region 释放变量 删除临时目录
finally
{
if (outputStream != null)
{
outputStream.Finish();
outputStream.Close();
}
I3DirectoryUtil.DeleteDirctory(tmpDir);
}
#endregion
#endregion
#region 替换原始文件
if (!I3FileUtil.CheckFileNotExists(fileName))
{
return(new I3MsgInfo(false, ""));
}
return(I3FileUtil.MoveFile(tmpFile, fileName, true));
#endregion
}
finally
{
I3DirectoryUtil.DeleteDirctory(tmpDir);
I3FileUtil.CheckFileNotExists(tmpFile);
}
}
public static DateTime ReadDateTimeFromStream(Stream aStream)
{
string aStr = I3Stream.ReadStringFromStream(aStream);
return(I3DateTimeUtil.ConvertStringToDateTime(aStr));
}
public static void WriteDateTimeToStream(DateTime aDateTime, Stream aStream)
{
string aStr = I3DateTimeUtil.ConvertDateTimeToDateTimeString(aDateTime);
I3Stream.WriteStringToStream(aStr, aStream);
}
/// <summary>
/// 从一个被压缩的数据集文件中加载数据集
/// </summary>
/// <param name="sourceFileName"></param>
/// <param name="dataSet"></param>
/// <param name="unCry"></param>
/// <param name="unCryKey"></param>
/// <returns></returns>
public I3MsgInfo UnCompressADataSet(string sourceFileName, DataSet dataSet, bool unCry, string unCryKey)
{
#region 初始化临时文件变量
string tmpDir = I3DirectoryUtil.GetAppTmpTmpDir();
string tmpDataSetFile = Path.Combine(tmpDir, "DataSet.tmp");
string tmpRarFile = Path.Combine(tmpDir, I3DateTimeUtil.ConvertDateTimeToLongString(DateTime.Now) + ".tmp");
if ((!I3DirectoryUtil.CreateDirctory(tmpDir).State) || (!I3FileUtil.CheckFileNotExists(tmpDataSetFile)) || (!I3FileUtil.CheckFileNotExists(tmpRarFile)))
{
return(new I3MsgInfo(false, ""));
}
#endregion
I3MsgInfo msg;
try
{
#region 解密到临时压缩文件
if (unCry)
{
msg = I3RijnDaelCry.UnCryFile(sourceFileName, tmpRarFile, unCryKey);
if (!msg.State)
{
return(msg);
}
}
else
{
msg = I3FileUtil.MoveFile(sourceFileName, tmpRarFile, false);
if (!msg.State)
{
return(msg);
}
}
if (!File.Exists(tmpRarFile))
{
return(new I3MsgInfo(false, "文件解密到临时压缩文件失败！文件名：" + tmpRarFile));
}
#endregion
#region 解压缩到临时数据集文件
msg = this.UnCompressASingleFile(tmpRarFile, "DataSet.tmp", tmpDataSetFile);
if (!msg.State)
{
return(msg);
}
if (!File.Exists(tmpDataSetFile))
{
return(new I3MsgInfo(false, "临时压缩文件解压到临时数据集文件失败！文件名：" + tmpDataSetFile));
}
#endregion
#region 从临时数据集文件加载
try
{
dataSet.ReadXml(tmpDataSetFile);
return(I3MsgInfo.Default);
}
catch (Exception ex)
{
return(new I3MsgInfo(false, "从临时数据集文件加载数据集失败！错误信息：" + ex.Message, ex));
}
#endregion
}
finally
{
#region 除临时文件
I3DirectoryUtil.DeleteDirctory(tmpDir);
#endregion
}
}
public void SetTime(string Big, string Small, DateTime Value)
{
SetString(Big, Small, I3DateTimeUtil.ConvertDateTimeToDateTimeString(Value));
}