public byte[] ZipFile(List <B_Attachment> atts, string zipedFile, int blockSize, string IsMonth)
{
C_System Sys = new C_System();
try
{
//文件临时存储地址
string tmpFilePath = System.IO.Path.GetTempPath() + "\\" + Guid.NewGuid().ToString();
//压缩包地址
string tmpZipFilePath = tmpFilePath + "\\" + zipedFile + ".zip";
using (Ionic.Zip.ZipFile zipFile = new Ionic.Zip.ZipFile(Encoding.GetEncoding("GB2312")))
{
foreach (var itemKey in atts)
{
//根据参数判断月报流程查询和指标流程查询
string path = "";
if (IsMonth == "1")
{
B_MonthlyReport month = B_MonthlyreportOperator.Instance.GetMonthlyreport(itemKey.BusinessID);
Sys = C_SystemOperator.Instance.GetSystem(month.SystemID);
}
else if (IsMonth == "2")
{
B_TargetPlan target = B_TargetplanOperator.Instance.GetTargetPlanByID(itemKey.BusinessID);
Sys = C_SystemOperator.Instance.GetSystem(target.SystemID);
}
//获取系统名称
var folderName = string.Format("{0}", Sys.SystemName);
List <string> files = new List <string>();
//生成压缩包里文件夹。且判断其中是否有相同名称的文件名称
string newPath = Path.Combine(tmpZipFilePath, folderName);
if (!Directory.Exists(newPath))
{
//不相同时创建一个该系统名称的文件夹。
if (path != newPath && !path.Contains(newPath))
{
Directory.CreateDirectory(newPath);
path += newPath;
zipFile.AddDirectory(newPath, folderName);
}
}
//有相同名称时，将文件流更新到文件夹里
zipFile.UpdateDirectory(newPath, folderName);
//从附件表中取到文件存放路径
string fileName = itemKey.FileName;
//生成存放文件的路径
string filePath = Path.Combine(newPath, fileName);
var urlRonte = WebConfigurationManager.AppSettings["UploadFilePath"];
string url = Path.Combine(urlRonte, itemKey.Url);
//读取文件流
FileStream fs = new FileStream(url, FileMode.Open, FileAccess.Read);
try
{
byte[] bte = new byte[fs.Length];
//将FileStream转换成byte流
fs.Read(bte, 0, (int)fs.Length);
File.WriteAllBytes(filePath, bte);
zipFile.AddFile(filePath, folderName);
files.Add(fileName);
}
catch (Exception)
{
}
finally
{
if (fs != null)
{
//关闭资源
fs.Close();
}
}
}
MemoryStream stream = new MemoryStream();
zipFile.Save(stream);
return(stream.ToArray());
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}