Www.chinacs.net 2002-5-9 Chinese C # Technology Station
Mail Send Class, support HTML format, support priority settings. Implemented through the Socket class
Using system;
Using system.text;
Using system.io;
Using system.net;
Using system.net.sockets;
Namespace blood.com.classlib {/// /// TcpClient derived class for connection work /// public class smtpClient: tcpclient {transfer () {Return Active; }
public void SendCommandToServer (string Command) {NetworkStream ns = this.GetStream (); byte [] WriteBuffer; WriteBuffer = new byte [1024]; WriteBuffer = Encoding.Default.GetBytes (Command); ns.Write (WriteBuffer, 0, WriteBuffer .Length); return;} public string GetServerResponse () {int streamSize; string ReturnValue = ""; byte [] ReadBuffer; NetworkStream ns = this.GetStream (); ReadBuffer = new byte [1024]; streamSize = ns.Read ( Readbuffer, 0, Readbuffer.Length; IF (streamsize == 0) {Return ReturnValue;} else {returnvalue = encoding.default.getstring (Return ReturnValue;}}
Public Bool DoesStringContainsmtpcode (String S, String SMTPCode) {Return (S.indexof (SMTPCode, 0, 10) == - 1)? False: true;
} // End class
/// /// Send mail class /// public class smtpmail {/// /// Error feedback information /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////>
/// /// SMTP server feedback information /// private string string string string string struponse;
/// /// Constructor /// public smtpmail () {strerrMessage = "; strretponse =" ";
/// /// acquisition error feedback information /// public string errorMessage {get {return strerrmessage;}}
/// /// acquire SMTP server feedback information /// public string serverResponse {get {return strretsponse;}}
/// /// mail send priority /// public enum prioritys {/// /// maximum level /// high = 1, /// < Summary> /// Default level /// NORMAL = 3, /// /// minimum level /// low = 5} public void sendmail (String SMTPHOST, INT Port, string From, string DisplayFromName, string To, string DisplayToName, Prioritys Priority, bool Html, string Base, string Subject, string Message) {try {string strResponseNumber; SMTPClient smtpcMail = new SMTPClient (); smtpcMail.Connect (SmtpHost, Port); Bool bolconnect = SMTPCMAIL.Isconnected ();
/ / Judgment Whether the connection IF (! Bolconnect) {strerrMessage = "SMTP server connection failed ..."; Return;}
// Read feedback strResponseNumber = smtpcMail.GetServerResponse (); if (smtpcMail.DoesStringContainSMTPCode (strResponseNumber, "220")) {this.strResponse = strResponseNumber;} else {this.strErrMessage = "connection failed" strResponseNumber; return }
String [] stringbuffer = new string [6]; string [] strresponsecode = {"220", "250", "251", "354", "221"}; // Success Codes from SMTP Server
String strdata = ""; strdata = string.concat ("helo", smtphost); strdata = string.concat (strdata, "/ r / n"); strsndbuffer [0] = strdata;
StrData = ""; strdata = string.concat ("Mail from:", "<" from ">); strdata = string.concat (strdata," / r / n "); strsndbuffer [1] = strdata ;
strdata = ""; strdata = string.concat ("RCPT TO:", "<" to ">"); strdata = string.concat (strdata, "/ r / n"); strsndbuffer [2] = strdata ;
StrData = ""; strdata = string.concat ("data", "/ r / n"); strsndbuffer [3] = strdata;
Strdata = ""; strdata = string.concat ("from:", DisplayFromName "<" from ">"); strdata = string.concat (strdata, "/ r / n"); strdata = string.concat (strData, "to:"); strdata = string.concat (strdata, displaytoname <" to "> "); strdata = string.concat (strdata," / r / n "); strdata = string. Concat (strdata, "Subject:"); strdata = string.concat (strdata = string.concat); strdata = string.concat; strdata = string.concat (strdata, "MIME-VERSION: 1.0 "); strdata = string.concat (strdata," / r / n "); strdata = string.concat (strdata," x-priority: " priority); strdata = string.concat (strdata," / r / n "); strdata = string.concat (strdata," x-msmail-priority: " priority); strdata = string.concat (strdata," / r / n "); if (html == true) {strData = String.concat (strdata, "content-type: text / html;");} else {strdata = String.concat (strdata, "content-type: text / plain;");} strdata = string.concat (strdata, "/ r / n"); strdata = string.concat (strdata, "charSet = /" ISO-8859-1 / "); strdata = string.concat (strdata," / r / n "); if (HTML == True) {s Trdata = string.concat (strdata, "content-transfer-encoding: text / html;");} else {strdata = string.concat (strdata, "content-transfer-enconcoding: text / plain;");} strdata = String.concat (strdata, "/ r / n"); strdata = string.concat (strdata, "content-base: /" " base " / "); strdata = string.concat (strdata," / r / N " " / r / n ");
STRDATA = String.concat (strdata, message); strdata = string.concat (strdata, "/ r / n. / r / n"); strsndbuffer [4] = strdata; strdata = ""; strdata = string.concat Strdata, "quit / r / n"); strsndbuffer [5] = strdata;
INT i = 0;
While (i
for (int j = 0; j
i ;} // End cycle} catch (socketexception err) {this.strerrMessage = err.stack " Err.stackTrace;} catch (exception e) {this.strerrMessage = E.MESSAGE " E .Stacktrace;}} // End mail sending method
} // End class
} // End Namespace
Mail Send a front page
<% @ Page language = "c #" codebehind = "Webform1.aspx.cs" autoeventwireup = "false" inherits = "test.sendmailsample"%>
mail sending example </ title> <meta http-equiv = "content-type" content = "text / html; charSet = GB2312"> <style type = "text / css"> TD {font-size: 9pt; font-family: "Song"} .TextBox { Border-right: # 000000 Thin Dashed; border-top: # 000000 Thin Dashed; border-left: # 000000 Thin Dashed; border-bottom: # 000000 Thin Dashed} </ stop> </ head> <body text = "# 000000 "BGColor =" # ffffff "> <form runat =" server "> <table style =" border-collapse: collapse "bordercolor =" # 111111 "Cellspacing =" 0 "cellpadding =" 3 "width =" 500 "align = "center" border = "1"> <tr> <TD align = "middle" colspan = "2"> mail sending example (socket class) </ td> </ tr> <ask: panel id = "pelmessage" Visible = "false" runat = "server"> <tr> <td align = "middle" colspan = "2"> <ask: label id = "lblMessage" runat = "server"> </ asp: label> </ TD> </ TR> <TD align = "right" width = "150"> SMTP server: </ td> <td width = "350> <asp: textbox id =" TXTSMTPHOST "runat =" server "cssclass =" textbox "maxlength =" 50 "> </ ASP: TEXTBOX> <ask = "rfvsmtphost" runat = "server" errorMessage = "*"</p>
<p>ControlTovAlidate = "txtsmtphost" Display = "Dynamic"> </ ask: RequiredFieldValidator> </ td> </ tr> <tr> <td align = "right" width = "150"> SMTP server port: </ td> < Td width = "350"> <asp: textbox id = "txtport" runat = "server" cssclass = "textbox" maxlength = "6"> </ asp: textbox> <ask: requiredfieldvalidator id = "RFVORT" Runat = " server "ErrorMessage =" * "ControlToValidate =" txtPort "Display =" Dynamic "> </ asp: requiredfieldvalidator> <asp: regularexpressionvalidator id =" revPort "runat =" server "ErrorMessage =" only input digital "ValidationExpression =" / D {1,} "ControlToValidate =" txtport "Display =" Dynamic "> </ ask: regularExpressionValidator> </ td> </ tr> <tr> <td align =" right "width =" 150 "> mail sender : </ Td> <td width = "350"> <asp: textbox id = "txtFrom" runat = "server" cssclass = "textbox" maxlength = "50"> </ asp: textbox> <ask: requiredfieldValidator ID = "rfvFrom" runat = "server" ErrorMessage = "*" ControlToValidate = "txtFrom" Display = "Dynamic"> </ asp: requiredfieldvalidator> <asp: regularexpressionvalidator id = "revFrom" runat = "server" ErrorMessage = "message format error "ValidationExpression =" / w ([ .] / w ) * @ / w ([-.] / w ) * /. / w ([-.] / w ) * "ControlToValidate =" txtfrom "Display =" Dynamic "> <</p>
<p>/ asp: regularExpressionValidator> </ td> </ tr> <tr> <td align = "Right" width = "150"> sender display name: </ td> <td width = "350> <asp: textbox ID = "txtfromname" runat = "server" cssclass = "textbox" maxlength = "20"> </ asp: textbox> </ td> </ tr> <tr> <TD align = "right" width = "150" > Email Receiver: </ TD> <TD Width = "350"> <asp: textBox ID = "txtto" runat = "server" cssclass = "textbox" maxlength = "50"> </ asp: textbox> <asp : requiredfieldvalidator id = "rfvTo" runat = "server" ErrorMessage = "*" ControlToValidate = "txtTo" Display = "Dynamic"> </ asp: requiredfieldvalidator> <asp: regularexpressionvalidator id = "revTo" runat = "server" ErrorMessage = "Mail format error" ValidationExpression = "/ w ([- .] / W ) * @ / w ([-.] / W ) * /. / W ([-.] / W ) *" ControlTovAlidate = "TXTTO "Display =" Dynamic "> </ asp: regularExpressionValidator> </ td> </ tr> <tr> <td align =" right "width =" 150 "> recipient display name: </ td> <td width = "350"> <asp: textbox id = "txttoname" runat = "server" cssclass = "textbox" maxlength = "20"> </ asp: textbox> </ td> </ tr> <TR> <TD align = "Right" width = "150"> Mail Send Priority: </ TD> <TD Width = "350"> <asp: DropdownList ID = "DDLPRIORITY" RUNA T = "server"> <</p>
<p>ASP: ListItem value = "High"> High </ asp: listitem> <asp: listitem value = "default" SELECTED = "true"> Default </ asp: listitem> <ask: listitem value = "low"> low < / asp: listitem> </ asp: dropdownload> </ td> </ tr> <tr> <td align = "right" width = "150"> sending an HTML format message: </ td> <td width = 350> <ask = "ddlhtml" runat = "server"> <ask: ListItem value = "Yes" SELECTED = "true"> Yes </ asp: listitem> <ask: ListItem value = "No">> No </ asp: dropdownload> </ asp: dropdownload> </ td> </ tr> <tr> <td align = "right" width = "150"> mail topic: </ td> <td width = "350 "> <asp: textbox id =" txtSubject "runat =" server "CssClass =" TextBox "MaxLength =" 50 "> </ asp: textbox> <asp: RequiredFieldValidator id =" rfvSubject "runat =" server "ErrorMessage =" * "ControlTovAlidate =" txtSubject "Display =" Dynamic "> </ ask: RequiredFieldValidator> </ td> </ tr> <tr> <td align =" right "width =" 150 "> email content: </ td> <TD Width = "350> <asp: textbox id =" txtMessage "runat =" server "rows =" 15 "textmode =" multiline "cssclass =" textbox "columns =" 40 "> </ asp: textbox> < ask: RequiredFieldValidator ID = "rfvMessage" runat = "server" error "=" * "ControlTovAlidate =" txtm Essage "Display =" Dynamic "> <</p>
<p>/ asp: requiredfieldvaliDator> </ td> </ tr> <tr align = "middle"> <td color = "2"> <asp: button id = "btnsendmail" runat = "server" text = "Send Mail" CSSClass = "TextBox" BackColor = "Silver" forcolor = "blue"> </ asp: button> </ td> </ tr> </ table> </ form> </ body> </ html> message Send codeBeHindusing system; Using system.web; using system.Web.ui.webControls; using blood.com.classlib;</p>
<p>namespace Test {/// <summary> /// Examples of messages sent /// </ summary> public class SendMailSample: System.Web.UI.Page {protected System.Web.UI.WebControls.DataGrid DataGrid1; protected System.Web .UI.WebControls.DropDownList ddlPriority; protected System.Web.UI.WebControls.DropDownList ddlHtml; protected System.Web.UI.WebControls.TextBox txtSmtpHost; protected System.Web.UI.WebControls.TextBox txtPort; protected System.Web.UI .WebControls.TextBox txtFrom; protected System.Web.UI.WebControls.TextBox txtFromName; protected System.Web.UI.WebControls.TextBox txtTo; protected System.Web.UI.WebControls.TextBox txtToName; protected System.Web.UI.WebControls .TextBox txtSubject; protected System.Web.UI.WebControls.TextBox txtMessage; protected System.Web.UI.WebControls.RegularExpressionValidator revPort; protected System.Web.UI.WebControls.RequiredFieldValidator rfvSmtpHost; protected System.Web.UI.WebControls.RequiredFieldValidator Rfvport; protected system.web.ui.webcontrols.requiredfieldvalidator rfvfrom; protected system.Web .UI.WebControls.RequiredFieldValidator rfvTo; protected System.Web.UI.WebControls.RequiredFieldValidator rfvSubject; protected System.Web.UI.WebControls.RequiredFieldValidator rfvMessage; protected System.Web.UI.WebControls.Button btnSendMail; protected System.Web.UI .WebControls.Label lblMessage; protected System.Web.UI.WebControls.RegularExpressionValidator revFrom; protected System.Web.UI.WebControls.RegularExpressionValidator revTo; protected System.Web.UI.WebControls.Panel pelMessage; private void Page_Load (object sender, System .Eventargs e) {}</p>
<p>#Region Web Form Designer Generated CodeOverride Protected Void OnNit (Eventargs E) {//// Codegen: This Call is Required by The ASP.NET Web Form Designer./initializationComponent();Base.onInit (E );////> / <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor./// </ summary> private void InitializeComponent () {this.btnSendMail.Click = new System.EventHandler (this.btnsendmail_click); this.load = new system.eventhandler (this.page_load);</p>
<p>} #endregion</p></div><div class="text-center mt-3 text-grey">
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function resize_image() {
var jmessagelist = $('div.message');
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}
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jimg.width(jmessage_width);
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});
} else {
jimg.width(jmessage_width);
var height = (img_height / img_width) * jimg.width();
jimg.height(height);
}
}
});
});
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$('div.message').each(function() {
var jdiv = $(this);
jdiv.find('table').addClass('table').wrap('<div class="table-responsive"></div>');
});
}
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resize_image();
resize_table();
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