本软件为edu-paas的文档在线预览，为开源软件。
支持所有office文档在线预览。
文件类型全,转化快,跨平台
响应式预览，兼容所有访问端。
下载地址 live.edu-paas.com/dowmCenter/EDUDocumentOnlinePreviewToolV.1.zip 源程序
下载地址 live.edu-paas.com/dowmCenter/EDUFbDocumentOnlinePreviewToolV.1.zip 发布好的web
1 string serverUrl = "http://office.edu-paas.com/Server/FileConvertDemo.ashx";//服务器地址 2 string username = context.Request["username"]; // [username] 用户帐号 3 string token = context.Request["token"]; // [token] 用户系统的token 4 string officeurl = context.Request["officeurl"];//在线文本地址 5 string filepath = ""; 6 if (string.IsNullOrEmpty(officeurl)) 7 { 8 //如果为空 判断获取本地上传 9 HttpPostedFile Path = HttpContext.Current.Request.Files["Filedata"]; 10 string str = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString() + DateTime.Now.Millisecond.ToString(); 11 string tp = System.Web.HttpContext.Current.Server.MapPath("/"); 12 filepath = tp + str + Path.FileName.Substring(Path.FileName.LastIndexOf("."));//本地文件 13 Path.SaveAs(filepath); 14 context.Response.Write(this.HttpUploadFile(serverUrl, filepath, username, token)); 15 } 16 else 17 { 18 context.Response.Write(this.HttpUploadFileofficeurl(serverUrl, officeurl, username, token)); 19 20 21 }
1 public string HttpUploadFile(string serverUrl, string filepath, string username, string token) 2 { 3 string content = ""; 4 try 5 {string serverUrl = "http://office.edu-paas.com/Server/FileConvertDemo.ashx";//服务器地址 9 // [username] 用户帐号 10 // [token] 用户系统的token 11 string param = "username=" + username + "&token=" + token; 12 // 设置参数 13 HttpWebRequest request = WebRequest.Create(serverUrl + "?" + param) as HttpWebRequest; 14 CookieContainer cookieContainer = new CookieContainer(); 15 request.CookieContainer = cookieContainer; 16 request.AllowAutoRedirect = true; 17 request.Method = "POST"; 18 string boundary = DateTime.Now.Ticks.ToString("X"); // 标识调试随机分隔线 19 request.ContentType = "multipart/form-data;charset=utf-8;boundary=" + boundary; 20 byte[] itemBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "\r\n"); 21 byte[] endBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n"); 22 int pos = filepath.LastIndexOf("\\"); 23 string fileName = filepath.Substring(pos + 1); 24 //请求头部信息 25 StringBuilder sbHeader = new StringBuilder(string.Format("Content-Disposition:form-data;name=\"file\";filename=\"{0}\"\r\nContent-Type:application/octet-stream\r\n\r\n", fileName)); 26 byte[] postHeaderBytes = Encoding.UTF8.GetBytes(sbHeader.ToString()); 27 28 FileStream fs = new FileStream(filepath, FileMode.Open, FileAccess.Read); 29 byte[] bArr = new byte[fs.Length]; 30 fs.Read(bArr, 0, bArr.Length); 31 fs.Close(); 32 33 //把数组转换成流中所需字节数组类型 34 byte[] paramBytes = Encoding.UTF8.GetBytes(param); 35 Stream postStream = request.GetRequestStream(); 36 postStream.Write(itemBoundaryBytes, 0, itemBoundaryBytes.Length); 37 postStream.Write(postHeaderBytes, 0, postHeaderBytes.Length); 38 postStream.Write(bArr, 0, bArr.Length); 39 postStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length); 40 postStream.Write(paramBytes, 0, paramBytes.Length); 41 postStream.Close(); 42 //发送请求并获取相应回应数据 43 HttpWebResponse response = request.GetResponse() as HttpWebResponse; 44 //直到request.GetResponse()程序才开始向目标网页发送Post请求 45 Stream instream = response.GetResponseStream(); 46 StreamReader sr = new StreamReader(instream, Encoding.UTF8); 47 //返回结果网页（html）代码 48 // "state": 返回状态, "mes": 文件下载地址 49 //101 转换成功 50 //102 转换失败 51 //103 转换程序异常 52 //104 找不到转换源文件 53 //105 源文件格式错误 54 //106 验证用户失败 55 //107 缺失参数 56 //108 服务发送数据失败 57 //109 上传文件异常 58 content = sr.ReadToEnd(); 59 } 60 catch (Exception ex) 61 { 62 content = ex.ToString(); 63 } 64 return content; 65 } 66 67 68 public string HttpUploadFileofficeurl(string serverUrl, string officeurl, string username, string token) 69 { 70 string content = ""; 71 try 72 { 73 // [type] 操作类型转换类型（1:office转pdf、2:office转swf、 74 //3:office转png、4:pdf拆页、5:pdf转swf、 75 //6:pdf转png、7:word转txt） 76 // [username] 用户帐号 77 // [token] 用户系统的token 78 string param = "username=" + username + "&token=" + token + "&officeurl=" + officeurl; 79 // 设置参数 80 HttpWebRequest request = WebRequest.Create(serverUrl + "?" + param) as HttpWebRequest; 81 CookieContainer cookieContainer = new CookieContainer(); 82 request.CookieContainer = cookieContainer; 83 request.AllowAutoRedirect = true; 84 request.Method = "POST"; 85 string boundary = DateTime.Now.Ticks.ToString("X"); // 标识调试随机分隔线 86 request.ContentType = "multipart/form-data;charset=utf-8;boundary=" + boundary; 87 byte[] itemBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "\r\n"); 88 byte[] endBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n"); 89 //请求头部信息 90 StringBuilder sbHeader = new StringBuilder(string.Format("Content-Disposition:form-data;name=\"file\";\r\nContent-Type:application/octet-stream\r\n\r\n")); 91 byte[] postHeaderBytes = Encoding.UTF8.GetBytes(sbHeader.ToString()); 92 //把数组转换成流中所需字节数组类型 93 byte[] paramBytes = Encoding.UTF8.GetBytes(param); 94 Stream postStream = request.GetRequestStream(); 95 postStream.Write(itemBoundaryBytes, 0, itemBoundaryBytes.Length); 96 postStream.Write(postHeaderBytes, 0, postHeaderBytes.Length); 97 postStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length); 98 postStream.Write(paramBytes, 0, paramBytes.Length); 99 postStream.Close(); 100 //发送请求并获取相应回应数据 101 HttpWebResponse response = request.GetResponse() as HttpWebResponse; 102 //直到request.GetResponse()程序才开始向目标网页发送Post请求 103 Stream instream = response.GetResponseStream(); 104 StreamReader sr = new StreamReader(instream, Encoding.UTF8); 105 //返回结果网页（html）代码 106 // "state": 返回状态, "mes": 文件下载地址 107 //101 转换成功 108 //102 转换失败 109 //103 转换程序异常 110 //104 找不到转换源文件 111 //105 源文件格式错误 112 //106 验证用户失败 113 //107 缺失参数 114 //108 服务发送数据失败 115 //109 上传文件异常 116 content = sr.ReadToEnd(); 117 } 118 catch (Exception ex) 119 { 120 content = ex.ToString(); 121 } 122 return content; 123 }
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