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string filePath = "D:\\1.jpg";//·¾¶

FileInfo fileInfo = new FileInfo(filePath);

Response.Clear();

Response.ClearContent();

Response.ClearHeaders();

Response.AddHeader("Content-Disposition", "attachment;filename=" + fileInfo.FullName);

Response.AddHeader("Content-Transfer-Encoding", "binary");

Response.Charset = "gb2312";
Response.ContentType = "text/xml";
//Response.Charset = "utf-8";

//Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");

Response.WriteFile(fileInfo.FullName);

Response.Flush(); Response.End();

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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>


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