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 }
时间： 2024-10-07 05:16:30