protected void LinkButton1_Click(object sender, EventArgs e) { Student student = (Student)Session["student"]; int num = thesisManage.GetCountsByStuID(student.SID); System.IO.FileStream r = new System.IO.FileStream("ThesisManage\\毕业论文.doc", System.IO.FileMode.Open); //设置基本信息 Response.Buffer = false; Response.AddHeader("Connection", "Keep-Alive"); Response.Charset = "GBK"; Response.ContentType = "application/octet-stream"; Response.AddHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(System.IO.Path.GetFileName("ThesisManage\\毕业论文.doc"), System.Text.Encoding.GetEncoding("UTF-8"))); Response.AddHeader("Content-Length", r.Length.ToString()); while (true) { //开辟缓冲区空间 byte[] buffer = new byte[1024]; //读取文件的数据 int leng = r.Read(buffer, 0, 1024); if (leng == 0)//到文件尾,结束 { break; } if (leng == 1024)//读出的文件数据长度等于缓冲区长度,直接将缓冲区数据写入 { Response.BinaryWrite(buffer); } else { //读出文件数据比缓冲区小,重新定义缓冲区大小,只用于读取文件的最后一个数据块 byte[] b = new byte[leng]; for (int i = 0; i < leng; i++) { b[i] = buffer[i]; } Response.BinaryWrite(b); } } r.Close(); //关闭下载文件 Response.End(); //结束文件下载 //if (num > 0) //{ // this.Page.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('下载成功!文件保存在:桌面/毕业论文.doc');</script>"); //} //else //{ // this.Page.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('下载失败');</script>"); //} }
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e) { int thesisId = Convert.ToInt32(e.CommandArgument); Thesis thesis = thesisManage.GetThesisByID(thesisId); int num = thesisManage.GetCountsByStuID(thesis.Student.SID); System.IO.FileStream r = new System.IO.FileStream("ThesisManage\\毕业论文.doc", System.IO.FileMode.Open); //设置基本信息 Response.Buffer = false; Response.AddHeader("Connection", "Keep-Alive"); Response.Charset = "GBK"; Response.ContentType = "application/octet-stream"; Response.AddHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(System.IO.Path.GetFileName("ThesisManage\\毕业论文.doc"), System.Text.Encoding.GetEncoding("UTF-8"))); Response.AddHeader("Content-Length", r.Length.ToString()); while (true) { //开辟缓冲区空间 byte[] buffer = new byte[1024]; //读取文件的数据 int leng = r.Read(buffer, 0, 1024); if (leng == 0)//到文件尾,结束 { break; } if (leng == 1024)//读出的文件数据长度等于缓冲区长度,直接将缓冲区数据写入 { Response.BinaryWrite(buffer); } else { //读出文件数据比缓冲区小,重新定义缓冲区大小,只用于读取文件的最后一个数据块 byte[] b = new byte[leng]; for (int i = 0; i < leng; i++) { b[i] = buffer[i]; } Response.BinaryWrite(b); } } r.Close(); //关闭下载文件 Response.End(); //结束文件下载 }