Upload button for self-written files

Using System;
Using System. Collections;
Using System. ComponentModel;
Using System. Data;
Using System. Drawing;
Using System. Web;
Using System. Web. SessionState;
Using System. Web. UI;
Using System. Web. UI. WebControls;
Using System. Web. UI. HtmlControls;
Using System. IO;
Using System. Text;
Using levin;

Namespace levin. Files
{
/// <Summary>
/// Summary of UpDown.
/// </Summary>
Public class UpDown
{
Public UpDown ()
{
//
// TODO: add the constructor logic here
//
}
Public static bool IsAllowedExtension (HtmlInputFile hifile)
{
String strOldFilePath = "", strExtension = "";

// Indicates the extension that can be uploaded. It can be read from the configuration file.
String [] arrExtension = {". gif", ". jpg", ". jpeg", ". bmp", ". png "};

If (hifile. PostedFile. FileName! = String. Empty)
{
StrOldFilePath = hifile. PostedFile. FileName;
// Get the extension of the uploaded file
StrExtension = strOldFilePath. Substring (strOldFilePath. LastIndexOf ("."));
// Determine whether the extension is valid
For (int I = 0; I <arrExtension. Length; I ++)
{
If (strExtension. Equals (arrExtension [I])
{
Return true;
}
}
}
Return false;
}
Public static bool isallowedextension (string filetype)
{
// String stroldfilepath = ""
// String strextension = "";

// Indicates the extension that can be uploaded. It can be read from the configuration file.
String [] arrextension = {". GIF", ". jpg", ". jpeg", ". BMP", ". PNG "};

If (filetype! = String. Empty)
{
// Determine whether the extension is valid
For (INT I = 0; I <arrextension. length; I ++)
{
If (filetype. Equals (arrextension [I])
{
Return true;
}
}
}
Return false;
}

Public static bool isallowedlength (htmlinputfile hifile)
{
// Maximum size of the file that can be uploaded. It can be stored in an XML file, measured in KB.
Int I = 20;
// If the size of the uploaded file exceeds the maximum value, flase is returned; otherwise, true is returned.
If (hifile. postedfile. contentlength> I * 1024)
{
Return false;
}
Return true;
}
Public static bool IsAllowedLength (string filesize)
{
// Maximum size of the file that can be uploaded. It can be stored in an xml file, measured in KB.
Int I = 20;
// If the size of the uploaded file exceeds the maximum value, flase is returned; otherwise, true is returned.
If (int. Parse (filesize)> I * 1024)
{
Return false;
}
Return true;
}
Public static bool IsAllowedLength (int filesize)
{
// Maximum size of the file that can be uploaded. It can be stored in an xml file, measured in KB.
Int I = 20;
// If the size of the uploaded file exceeds the maximum value, flase is returned; otherwise, true is returned.
If (filesize> I * 1024)
{
Return false;
}
Return true;
}

Public static FileUpModem SaveFile (HtmlInputFile fileUp, string strAbsolutePath)
{
FileUpModem mod = new FileUpModem ();
String strOldFilePath = "", strExtension = "", strNewFileName = "", mFileName = "";

If (fileUp. PostedFile. FileName! = String. Empty)
{
StrOldFilePath = fileUp. PostedFile. FileName;
// Get the extension of the uploaded file
Strextension = stroldfilepath. substring (stroldfilepath. lastindexof ("."));
// Name of the uploaded file
Strnewfilename = util. apitime. datetimeformat () + strextension;
Mfilename = stroldfilepath. substring (stroldfilepath. lastindexof ("//") + 1); // get the file name

Mod. filetype = stroldfilepath. substring (stroldfilepath. lastindexof ("."));
Mod. size = convert. tostring (fileup. postedfile. contentlength );
Mod. Name = stroldfilepath. substring (0, mfilename. lastindexof (".") + util. apitime. datetimeformat () + mod. filetype;

If (strabsolutepath. lastindexof ("//") = strabsolutepath. length)
{
Fileup. postedfile. saveas (strabsolutepath + strnewfilename );
}
Else
{
Fileup. postedfile. saveas (strabsolutepath + "//" + strnewfilename );
}
}
Return MOD;
}

Public static fileupmodem uploadfile (system. Web. UI. htmlcontrols. htmlinputfile fileup, string path)
{
Fileupmodem mod = new fileupmodem ();
String filepath = "", fileextname = ", mfilename, mpath, Spath;

If (""! = Fileup. postedfile. filename)
{
FilePath = fileUp. PostedFile. FileName; // obtain the file path
FileExtName = filePath. Substring (filePath. LastIndexOf (".") + 1 );
Try
{
// Obtain the physical file path corresponding to the specified virtual path on the Web server.
SPath = HttpContext. Current. Server. MapPath ("upload /");
MPath = (path = "0 ")? SPath: sPath + path + @"/";
MFileName = filePath. Substring (filePath. LastIndexOf ("//") + 1); // get the file name
// Set the file Model
Mod. FileType = mFileName. Substring (mFileName. LastIndexOf ("."));
Mod. Size = Convert. ToString (fileUp. PostedFile. ContentLength );
Mod. Name = mFileName. Substring (0, mFileName. LastIndexOf (".") + util. ApiTime. DateTimeFormat () + mod. FileType;
// Save the uploaded file to the specified directory
// Levin. api. WebResponse. alert (mPath + mFileName );
If (! IsAllowedExtension (mod. FileType) api. WebResponse. alertGoBack (Const. Mess_FileTypeNoAllow );
If (! IsAllowedLength (mod. Size) api. WebResponse. alertGoBack (Const. Mess_FileLengthNoAllow );

FileUp. PostedFile. SaveAs (mPath + mod. Name );
// Set the file Model
Mod. PrevName = mFileName;
Mod. absolutepath = "/upload/" + path + @ "/" + mod. Name;
Mod. currentpath = mpath + mfilename;
Mod. httppath = files. fileapi. abspath (mod. Name );
// Httpcontext. Current. response. Write (Levin );
Httpcontext. Current. response. Write (mod. absolutepath );
Levin. API. webresponse. Alert (Const. mess_uploadsuccess );
}
Catch
{
Levin. API. webresponse. Alert (Const. mess_uploadfalse );
}
}
Return MOD;
}
}
Public class FileUpModem
{
Private string strSize;
Private string strName;
Private string strPrevName;
Private string strAbsolutePath;
Private string strCurrentPath;
Private string strFileType;
Private string strHttpPath;

Public string HttpPath
{
Get {return strHttpPath ;}
Set {strHttpPath = value ;}
}
Public string FileType
{
Get {return strFileType ;}
Set {strFileType = value ;}
}
Public String size
{
Get {return strsize ;}
Set {strsize = value ;}
}
Public string name
{
Get {return strname ;}
Set {strname = value ;}
}
Public String prevname
{
Get {return strprevname ;}
Set {strprevname = value ;}
}
/// <Summary>
/// Relative path
/// </Summary>
Public String absolutepath
{
Get {return strabsolutepath ;}
Set {strabsolutepath = value ;}
}
Public String currentpath
{
Get {return strcurrentpath ;}
Set {strcurrentpath = value ;}
}

}
}

 

Demo

<% @ Page Language = "C #" codebehind = "webform1.aspx. cs" autoeventwireup = "false" inherits = "Levin. webform1" %>
<! Doctype HTML public "-// W3C // dtd html 4.0 transitional // en">
<HTML>
<Head>
<Title> webform1 </title>
<Meta name = "generator" content = "Microsoft Visual Studio. NET 7.1">
<Meta name = "CODE_LANGUAGE" Content = "C #">
<Meta name = "vs_defaultClientScript" content = "JavaScript">
<Meta name = "vs_targetSchema" content = "http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<Body MS_POSITIONING = "GridLayout">
<Form id = "Form1" method = "post" runat = "server">
<Asp: Button id = "Button1" style = "Z-INDEX: 101; LEFT: 280px; POSITION: absolute; TOP: 248px" runat = "server"
Text = "Button"> </asp: Button>
<Asp: Button id = "Button2" style = "Z-INDEX: 102; LEFT: 336px; POSITION: absolute; TOP: Running PX" runat = "server"
Text = "Send email"> </asp: Button>
<INPUT id = "FileUp" runat = "server" style = "Z-INDEX: 103; LEFT: 336px; POSITION: absolute; TOP: 56px"
Type = "file">
<Asp: Button id = "Button3" style = "Z-INDEX: 104; LEFT: 576px; POSITION: absolute; TOP: 56px" runat = "server"
Text = "Button"> </asp: Button>
<Asp: Button id = "Button4" style = "Z-INDEX: 105; LEFT: 656px; POSITION: absolute; TOP: 48px" runat = "server"
Text = "read file"> </asp: Button>
<Asp: TextBox id = "TextBox1" style = "Z-INDEX: 106; LEFT: 352px; POSITION: absolute; TOP: 168px"
Runat = "server" Width = "168px" Height = "96px" TextMode = "MultiLine"> </asp: TextBox>
<Asp: Button id = "Button5" style = "Z-INDEX: 107; LEFT: 600px; POSITION: absolute; TOP: 232px" runat = "server"
Text = "write file"> </asp: Button>
<Asp: Button id = "Button6" style = "Z-INDEX: 108; LEFT: 584px; POSITION: absolute; TOP: 160px" runat = "server"
Text = "append file"> </asp: Button>
<Asp: Button id = "Button7" style = "Z-INDEX: 109; LEFT: pixel PX; POSITION: absolute; TOP: 320px" runat = "server"
Text = "read liu file"> </asp: Button>
<Asp: Button id = "Button8" style = "Z-INDEX: 110; LEFT: 312px; POSITION: absolute; TOP: Running PX" runat = "server"
Text = "cn rili"> </asp: Button>
<Asp: Button id = "Button9" style = "Z-INDEX: 111; LEFT: 520px; POSITION: absolute; TOP: Running PX" runat = "server"
Text = "Read File"> </asp: Button>
</Form>
</Body>
</HTML>

 

Cs

Using System;
Using System. Collections;
Using System. ComponentModel;
Using System. Data;
Using System. Drawing;
Using System. Web;
Using System. Web. SessionState;
Using System. Web. UI;
Using System. Web. UI. WebControls;
Using System. Web. UI. HtmlControls;
Using levin;
Namespace levin
{
/// <Summary>
/// Summary of WebForm1.
/// </Summary>
Public class WebForm1: System. Web. UI. Page
{
Protected System. Web. UI. WebControls. Button Button2;
Protected System. Web. UI. WebControls. Button Button3;
Protected System. Web. UI. WebControls. Button Button1;
Protected System. Web. UI. WebControls. Button Button4;
Protected System. Web. UI. WebControls. TextBox TextBox1;
Protected System. Web. UI. WebControls. Button Button5;
Protected System. Web. UI. WebControls. Button Button6;
Protected System. Web. UI. WebControls. Button Button7;
Protected System. Web. UI. WebControls. Button Button8;
Protected System. Web. UI. WebControls. Button Button9;
Protected System. Web. UI. HtmlControls. HtmlInputFile FileUp;


 
Private void Page_Load (object sender, System. EventArgs e)
{
// Place user code here to initialize the page
}

# Code generated by region Web Form Designer
Override protected void OnInit (EventArgs e)
{
//
// CODEGEN: This call is required by the ASP. NET Web form designer.
//
InitializeComponent ();
Base. OnInit (e );
}

/// <Summary>
/// The designer supports the required methods-do not use the code editor to modify
/// Content of this method.
/// </Summary>
Private void InitializeComponent ()
{
This. Button1.Click + = new System. EventHandler (this. button#click );
This. Button2.Click + = new System. EventHandler (this. Button2_Click );
This. Button3.Click + = new System. EventHandler (this. Button3_Click );
This. Button4.Click + = new System. EventHandler (this. Button4_Click );
This. Button5.Click + = new System. EventHandler (this. Button5_Click );
This. Button6.Click + = new System. EventHandler (this. Button6_Click );
This. Button7.Click + = new System. EventHandler (this. Button7_Click );
This. button8.click + = new system. eventhandler (this. button8_click );
This. button9.click + = new system. eventhandler (this. button9_click );
This. Load + = new system. eventhandler (this. page_load );

}
# Endregion

Private void button#click (Object sender, system. eventargs E)
{
Levin. API. webresponse. Alert ("AAA", "webform2.aspx ");
}

Private void button2_click (Object sender, system. eventargs E)
{
// Levin. jmail. Sendmail ("blue_lzg@163.com", "555555", "levin9@gmail.com", "title", "GGGG ");
Levin. util. jmail. Sendmail ("blue_lzg@163.com", "555555", "gtips@163.com", "title", "GGGG ");
}

Private void Button3_Click (object sender, System. EventArgs e)
{
Files. UpDown. UploadFile (FileUp, "test ");
// Levin. File. UpDown. SaveFile (FileUp, "text ");
}

Private void Button4_Click (object sender, System. EventArgs e)
{
Response. Write (Files. FileApi. Read (FileUp ));
}

Private void Button5_Click (object sender, System. EventArgs e)
{
Files. FileApi. write (FileUp, TextBox1.Text );
}

Private void Button6_Click (object sender, System. EventArgs e)
{
Files. FileApi. Append (FileUp, TextBox1.Text );
}

Private void Button7_Click (object sender, System. EventArgs e)
{
Response. Write (Files. FileApi. Reads (FileUp ));
}

Private void Button8_Click (object sender, System. EventArgs e)
{
Util. CNDate dt = new levin. util. CNDate (DateTime. Now );
Response. Write ("today is:" + dt. Date. ToString () + dt. GetConstellationName ());
Response. Write (dt. l_GetLunarHolDay ());
Console. WriteLine (dt. GetLunarHolDay ());
// Console. WriteLine ("" + dt. GetLeapMonth (UInt16.Parse (args [0]);
// Console. WriteLine ("days in December February" + dt. LunarMonthDays (UInt16.Parse (args [0]), UInt16.Parse (args [1]);
// Console. WriteLine ("days" + dt. LunarYearDays (UInt16.Parse (args [0]);
Response. Write ("" + dt. FormatLunarYear ());
Dt. Date = DateTime. Today. AddDays (1 );
Response. Write ("Tomorrow is:" + dt. Date. ToString () + dt. GetConstellationName ());
}

Private void Button9_Click (object sender, System. EventArgs e)
{
TextBox1.Text = Files. FileApi. Read (FileUp). ToString ();
}
}
}