public static FileInfo Download(string url, string saveDir)
{
FileInfo file = null;
WebUtils wu = new WebUtils();
HttpWebRequest req = wu.GetWebRequest(url, "GET");
req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
HttpWebResponse rsp = (HttpWebResponse)req.GetResponse();
if (CTYPE_ZIP.Equals(rsp.ContentType))
{
if (string.IsNullOrEmpty(saveDir))
{
file = new FileInfo(Path.GetTempFileName() + ".zip");
}
else
{
file = new FileInfo(Path.Combine(saveDir, Path.GetRandomFileName() + ".zip"));
}
using (Stream rspStream = rsp.GetResponseStream())
{
byte[] bytes = new byte[1024];
int len = 0;
using (FileStream fileStream = new FileStream(file.FullName, FileMode.OpenOrCreate))
{
while ((len = rspStream.Read(bytes, 0, bytes.Length)) > 0)
{
fileStream.Write(bytes, 0, len);
}
}
}
}
else
{
string json = wu.GetResponseAsString(rsp, Encoding.GetEncoding(rsp.CharacterSet));
if (!string.IsNullOrEmpty(json))
{
IDictionary dict = Top.Api.Util.TopUtils.ParseJson(json);
string errCode = dict["code"] as string;
string errMsg = dict["message"] as string;
throw new Top.Api.TopException(errCode, errMsg);
}
}
return(file);
}
public static FileInfo Download(string url, string saveDir)
{
FileInfo file = null;
WebUtils wu = new WebUtils();
HttpWebRequest req = wu.GetWebRequest(url, "GET");
req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
HttpWebResponse rsp = (HttpWebResponse)req.GetResponse();
if (CTYPE_ZIP.Equals(rsp.ContentType))
{
if (string.IsNullOrEmpty(saveDir))
{
file = new FileInfo(Path.GetTempFileName() + ".zip");
}
else
{
file = new FileInfo(Path.Combine(saveDir, Path.GetRandomFileName() + ".zip"));
}
using (System.IO.Stream rspStream = rsp.GetResponseStream())
{
byte[] bytes = new byte[1024];
int len = 0;
using (FileStream fileStream = new FileStream(file.FullName, FileMode.OpenOrCreate))
{
while ((len = rspStream.Read(bytes, 0, bytes.Length)) > 0)
{
fileStream.Write(bytes, 0, len);
}
}
}
}
else
{
string json = wu.GetResponseAsString(rsp, Encoding.GetEncoding(rsp.CharacterSet));
if (!string.IsNullOrEmpty(json))
{
IDictionary dict = Top.Api.Util.TopUtils.ParseJson(json);
string errCode = dict["code"] as string;
string errMsg = dict["message"] as string;
throw new Top.Api.TopException(errCode, errMsg);
}
}
return file;
}
/// <summary>
/// 通过HTTP GET方式下载文件到指定的目录。
/// </summary>
/// <param name="url">需要下载的URL</param>
/// <param name="destDir">需要下载到的目录</param>
/// <returns>下载后的文件</returns>
public static string Download(string url, string destDir)
{
string file = null;
try
{
WebUtils wu = new WebUtils();
HttpWebRequest req = wu.GetWebRequest(url, "GET", null);
HttpWebResponse rsp = (HttpWebResponse)req.GetResponse();
if (CTYPE_OCTET.Equals(rsp.ContentType))
{
file = Path.Combine(destDir, GetFileName(rsp.Headers["Content-Disposition"]));
using (System.IO.Stream rspStream = rsp.GetResponseStream())
{
int len = 0;
byte[] buf = new byte[8192];
using (FileStream fileStream = new FileStream(file, FileMode.OpenOrCreate))
{
while ((len = rspStream.Read(buf, 0, buf.Length)) > 0)
{
fileStream.Write(buf, 0, len);
}
}
}
}
else
{
throw new TopException(wu.GetResponseAsString(rsp, Encoding.UTF8));
}
}
catch (WebException e)
{
throw new TopException("isv.file-already-download", e.Message);
}
return(file);
}
/// <summary>
/// 通过HTTP GET方式下载文件到指定的目录。
/// </summary>
/// <param name="url">需要下载的URL</param>
/// <param name="destDir">需要下载到的目录</param>
/// <returns>下载后的文件</returns>
public static string Download(string url, string destDir)
{
string file = null;
try
{
WebUtils wu = new WebUtils();
HttpWebRequest req = wu.GetWebRequest(url, "GET");
HttpWebResponse rsp = (HttpWebResponse)req.GetResponse();
if (CTYPE_OCTET.Equals(rsp.ContentType))
{
file = Path.Combine(destDir, GetFileName(rsp.Headers["Content-Disposition"]));
using (System.IO.Stream rspStream = rsp.GetResponseStream())
{
int len = 0;
byte[] buf = new byte[8192];
using (FileStream fileStream = new FileStream(file, FileMode.OpenOrCreate))
{
while ((len = rspStream.Read(buf, 0, buf.Length)) > 0)
{
fileStream.Write(buf, 0, len);
}
}
}
}
else
{
throw new TopException(wu.GetResponseAsString(rsp, Encoding.UTF8));
}
}
catch (WebException e)
{
throw new TopException("isv.file-already-download", e.Message);
}
return file;
}
