/// <summary>
/// 客户端下载使用。压缩文件，并返回压缩文件的路径
/// </summary>
/// <param name="dt"></param>
/// <returns></returns>
public static bool ZipOperation(DataTable dt, string filePath)
{
if (dt == null || dt.Rows.Count <= 0 || !dt.Columns.Contains("signnamepicpath"))
{
return(false);
}
List <string> defaultSignnamePics = new List <string>();
foreach (DataRow row in dt.Rows)
{
string defaultSignnamePicDir = Common.DefaultSignnameImgDownload();
string relativePath = row["SIGNNAMEPICPATH"].ToString();
if (relativePath.IndexOf('/') == 0)
{
relativePath = relativePath.Substring(1, relativePath.Length - 1);
}
string signnamePicPath = Path.Combine(defaultSignnamePicDir, relativePath);
defaultSignnamePics.Add(signnamePicPath);
}
CompressHelper.Zip(defaultSignnamePics, filePath);
return(true);
}