时间:2016-02-16 00:57 来源: 我爱IT技术网 作者:佚名
欢迎您访问我爱IT技术网,今天小编为你分享的编程技术是:【HTTP协议下用Web Service上传大文件的解决方案】,下面是详细的讲解!
HTTP协议下用Web Service上传大文件的解决方案
using System;
using System.IO;
using Microsoft.Web.Services2;
using Microsoft.Web.Services2.Dime;
namespace Webb.WAVE.WinUpload
{
/// <summary>
/// Summary description for Controls.
/// </summary>
public class UploadInstance2
{
Fields#region Fields
private string m_GUID;
private DateTime m_uploadTime;
private long m_fileLength;
private long m_currentPoint;
private string m_pathOnserver;
private long m_userID;
#endregion
Properties#region Properties
public long UserID
{
get{return this.m_userID;}
set{this.m_userID=value;}
}
public string GUID
{
get{return this.m_GUID;}
set{this.m_GUID=value;}
}
public DateTime UploadTime
{
get{return this.m_uploadTime;}
set{}
}
public long FileLength
{
get{return this.m_fileLength;}
set{this.m_fileLength=value;}
}
public long CurrentPoing
{
get{return this.m_currentPoint;}
set{this.m_currentPoint=value;}
}
public string PathOnServer
{
get{return this.m_pathOnserver;}
set{this.m_pathOnserver=value;}
}
public string FullPathOnServer
{
get
{
if(this.m_GUID!=string.Empty&&this.m_pathOnserver!=string.Empty)
{
return Path.Combine(this.m_pathOnserver,this.m_GUID+".rem");
}
else
{
return string.Empty;
}
}
}
public string FileName
{
get
{
if(this.m_GUID!=string.Empty)
{
return this.m_GUID+".rem";
}
else
{
return string.Empty;
}
}
}
#endregion
public UploadInstance2()
{
this.m_GUID = System.Guid.NewGuid().ToString();
this.m_uploadTime = System.DateTime.Now;
this.m_currentPoint = 0;
this.m_fileLength = 0;
this.m_pathOnserver = string.Empty;
}
public UploadInstance2(string i_path,string i_GUID,long i_fileLength)
{
string m_fullPath = Path.Combine(i_path,i_GUID);
if(!File.Exists(m_fullPath)) return;
this.m_GUID = i_GUID;
this.m_uploadTime = System.DateTime.Now;
this.m_pathOnserver = i_path;
FileInfo m_fileInfo = new FileInfo(m_fullPath);
this.m_currentPoint = m_fileInfo.Length;
this.m_fileLength = i_fileLength;
}
public bool UploadData(byte[] i_data, long i_currentPoint, int i_dataSize)
{
string m_fullPath = this.FullPathOnServer;
if(!File.Exists(m_fullPath)&&this.m_currentPoint!=0)return false;
long m_filePoint = new FileInfo(m_fullPath).Length;
if(m_filePoint!=i_currentPoint) return false;
FileStream m_fileStream = new FileStream(m_fullPath,FileMode.Append);
m_fileStream.Write(i_data,0,i_dataSize);
m_fileStream.Close();
return true;
}
public void AbandantUpload()
{
string m_fullPath = this.FullPathOnServer;
try{File.Delete(m_fullPath);}
catch{}
}
public void CreateFile()
{
string m_fullPath = this.FullPathOnServer;
if(!File.Exists(m_fullPath))
{
File.Create(m_fullPath).Close();
}
else
{
try
{
File.Delete(m_fullPath);
}catch{}
File.Create(m_fullPath).Close();
}
}
}
}
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