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该代码只能发送text类型的邮件 该如何修改让他发送html类型的邮件呢?!
unit SendMailUnit;
interface
uses windows, winsock;
function DNASendEMail(PSmtp,PUser,PPass,PGetMail,PTOMail,Subject,MailText:string):boolean;
implementation
var
SendBody:string;
const
CRLF=#13#10;
BaseTable:string='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
function StrLen(const Str: PChar): Cardinal; assembler;
asm
MOV EDX,EDI
MOV EDI,EAX
MOV ECX,0FFFFFFFFH
XOR AL,AL
REPNE SCASB
MOV EAX,0FFFFFFFEH
SUB EAX,ECX
MOV EDI,EDX
end;
function StrCopy(Dest: PChar; const Source: PChar): PChar; assembler;
asm
PUSH EDI
PUSH ESI
MOV ESI,EAX
MOV EDI,EDX
MOV ECX,0FFFFFFFFH
XOR AL,AL
REPNE SCASB
NOT ECX
MOV EDI,ESI
MOV ESI,EDX
MOV EDX,ECX
MOV EAX,EDI
SHR ECX,2
REP MOVSD
MOV ECX,EDX
AND ECX,3
REP MOVSB
POP ESI
POP EDI
end;
function StrPas(const Str: PChar): string;
begin
Result := Str;
end;
function FindInTable(CSource:char):integer;
begin
result:=Pos(string(CSource),BaseTable)-1;
end;
function EncodeBase64(Source:string):string;
var
Times,LenSrc,i:integer;
x1,x2,x3,x4:char;
xt:byte;
begin
result:='';
LenSrc:=length(Source);
if LenSrc mod 3 =0 then Times:=LenSrc div 3
else Times:=LenSrc div 3 + 1;
for i:=0 to times-1 do
begin
if LenSrc >= (3+i*3) then
begin
x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1];
xt:=(ord(Source[1+i*3]) shl 4) and 48;
xt:=xt or (ord(Source[2+i*3]) shr 4);
x2:=BaseTable[xt+1];
xt:=(Ord(Source[2+i*3]) shl 2) and 60;
xt:=xt or (ord(Source[3+i*3]) shr 6);
x3:=BaseTable[xt+1];
xt:=(ord(Source[3+i*3]) and 63);
x4:=BaseTable[xt+1];
end
else if LenSrc>=(2+i*3) then
begin
x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1];
xt:=(ord(Source[1+i*3]) shl 4) and 48;
xt:=xt or (ord(Source[2+i*3]) shr 4);
x2:=BaseTable[xt+1];
xt:=(ord(Source[2+i*3]) shl 2) and 60;
x3:=BaseTable[xt+1];
x4:='=';
end else
begin
x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1];
xt:=(ord(Source[1+i*3]) shl 4) and 48;
x2:=BaseTable[xt+1];
x3:='=';
x4:='=';
end;
result:=result+x1+x2+x3+x4;
end;
end;
function LookupName(const Name: string): TInAddr;
var
HostEnt: PHostEnt;
InAddr: TInAddr;
begin
HostEnt := gethostbyname(PChar(Name));
FillChar(InAddr, SizeOf(InAddr), 0);
if HostEnt <> nil then
begin
with InAddr, HostEnt^ do
begin
S_un_b.s_b1 := h_addr^[0];
S_un_b.s_b2 := h_addr^[1];
S_un_b.s_b3 := h_addr^[2];
S_un_b.s_b4 := h_addr^[3];
end;
end;
Result := InAddr;
end;
function StartNet(host:string;port:integer;var sock:integer):Boolean;
var
wsadata:twsadata;
FSocket:integer;
SockAddrIn:TSockAddrIn;
err:integer;
begin
err:=WSAStartup($0101,WSAData);
FSocket:=socket(PF_INET,SOCK_STREAM,IPPROTO_IP);
if FSocket=invalid_socket then begin
Result:=False;
Exit;
end;
SockAddrIn.sin_addr:=LookupName(host);
SockAddrIn.sin_family := PF_INET;
SockAddrIn.sin_port :=htons(port);
err:=connect(FSocket,SockAddrIn, SizeOf(SockAddrIn));
if err=0 then begin
sock:=FSocket;
Result:=True;
end
else
begin
Result:=False;
end;
end;
procedure StopNet(Fsocket:integer);
var
err:integer;
begin
err:=closesocket(FSocket);
err:=WSACleanup;
end;
function SendData(FSocket:integer;SendStr:string):integer;
var
DataBuf:array[0..4096] of char;
err:integer;
begin
strcopy(DataBuf,pchar(SendStr));
err:=send(FSocket,DataBuf,strlen(DataBuf),MSG_DONTROUTE);
Result:=err;
end;
function GetData(FSocket:integer):String;
const
MaxSize=1024;
var
DataBuf:array[0..MaxSize] of char;
err:integer;
begin
err:=recv(FSocket,DataBuf,MaxSize,0);
Result:=Strpas(DataBuf);
end;
function DNASendEMail(psmtp,puser,ppass,pgetmail,PTOMail,subject,mailtext:string):boolean;
var
FSocket,res:integer;
begin
Result:=false;
sendbody:='SendEmail Unit By Anskya ';
if StartNet(PSmtp, 25, FSocket) then
begin
SendData(FSocket, 'HELO ' +Puser+ CRLF);
getdata(FSocket);
SendData(FSocket, 'AUTH LOGIN' + CRLF);
getdata(FSocket);
SendData(FSocket, EncodeBase64(Puser) + CRLF);
getdata(FSocket);
SendData(FSocket, EncodeBase64(PPass) + CRLF);
getdata(FSocket);
SendData(FSocket, 'MAIL FROM: <' + PGetMail + '>' + CRLF);
getdata(FSocket);
SendData(FSocket, 'RCPT TO: <' + PTOMail + '>' + CRLF);
getdata(FSocket);
SendData(FSocket, 'DATA' + CRLF);
getdata(FSocket);
SendBody := 'From:信息 <' + PGetMail + '>' + CRLF
+ 'To: <' + PGetMail + '>' + CRLF
+ 'Subject: ' + Subject + CRLF
+ CRLF
+ MailText + CRLF
+ '.' + CRLF;
res := SendData(FSocket, SendBody);
getdata(FSocket);
SendData(FSocket, 'QUIT' + CRLF);
getdata(FSocket);
StopNet(Fsocket);
if res <> SOCKET_ERROR then
begin
Result:=true;
end;
end;
end;
end.
unit SendMailUnit;
interface
uses windows, winsock;
function DNASendEMail(PSmtp,PUser,PPass,PGetMail,PTOMail,Subject,MailText:string):boolean;
implementation
var
SendBody:string;
const
CRLF=#13#10;
BaseTable:string='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
function StrLen(const Str: PChar): Cardinal; assembler;
asm
MOV EDX,EDI
MOV EDI,EAX
MOV ECX,0FFFFFFFFH
XOR AL,AL
REPNE SCASB
MOV EAX,0FFFFFFFEH
SUB EAX,ECX
MOV EDI,EDX
end;
function StrCopy(Dest: PChar; const Source: PChar): PChar; assembler;
asm
PUSH EDI
PUSH ESI
MOV ESI,EAX
MOV EDI,EDX
MOV ECX,0FFFFFFFFH
XOR AL,AL
REPNE SCASB
NOT ECX
MOV EDI,ESI
MOV ESI,EDX
MOV EDX,ECX
MOV EAX,EDI
SHR ECX,2
REP MOVSD
MOV ECX,EDX
AND ECX,3
REP MOVSB
POP ESI
POP EDI
end;
function StrPas(const Str: PChar): string;
begin
Result := Str;
end;
function FindInTable(CSource:char):integer;
begin
result:=Pos(string(CSource),BaseTable)-1;
end;
function EncodeBase64(Source:string):string;
var
Times,LenSrc,i:integer;
x1,x2,x3,x4:char;
xt:byte;
begin
result:='';
LenSrc:=length(Source);
if LenSrc mod 3 =0 then Times:=LenSrc div 3
else Times:=LenSrc div 3 + 1;
for i:=0 to times-1 do
begin
if LenSrc >= (3+i*3) then
begin
x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1];
xt:=(ord(Source[1+i*3]) shl 4) and 48;
xt:=xt or (ord(Source[2+i*3]) shr 4);
x2:=BaseTable[xt+1];
xt:=(Ord(Source[2+i*3]) shl 2) and 60;
xt:=xt or (ord(Source[3+i*3]) shr 6);
x3:=BaseTable[xt+1];
xt:=(ord(Source[3+i*3]) and 63);
x4:=BaseTable[xt+1];
end
else if LenSrc>=(2+i*3) then
begin
x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1];
xt:=(ord(Source[1+i*3]) shl 4) and 48;
xt:=xt or (ord(Source[2+i*3]) shr 4);
x2:=BaseTable[xt+1];
xt:=(ord(Source[2+i*3]) shl 2) and 60;
x3:=BaseTable[xt+1];
x4:='=';
end else
begin
x1:=BaseTable[(ord(Source[1+i*3]) shr 2)+1];
xt:=(ord(Source[1+i*3]) shl 4) and 48;
x2:=BaseTable[xt+1];
x3:='=';
x4:='=';
end;
result:=result+x1+x2+x3+x4;
end;
end;
function LookupName(const Name: string): TInAddr;
var
HostEnt: PHostEnt;
InAddr: TInAddr;
begin
HostEnt := gethostbyname(PChar(Name));
FillChar(InAddr, SizeOf(InAddr), 0);
if HostEnt <> nil then
begin
with InAddr, HostEnt^ do
begin
S_un_b.s_b1 := h_addr^[0];
S_un_b.s_b2 := h_addr^[1];
S_un_b.s_b3 := h_addr^[2];
S_un_b.s_b4 := h_addr^[3];
end;
end;
Result := InAddr;
end;
function StartNet(host:string;port:integer;var sock:integer):Boolean;
var
wsadata:twsadata;
FSocket:integer;
SockAddrIn:TSockAddrIn;
err:integer;
begin
err:=WSAStartup($0101,WSAData);
FSocket:=socket(PF_INET,SOCK_STREAM,IPPROTO_IP);
if FSocket=invalid_socket then begin
Result:=False;
Exit;
end;
SockAddrIn.sin_addr:=LookupName(host);
SockAddrIn.sin_family := PF_INET;
SockAddrIn.sin_port :=htons(port);
err:=connect(FSocket,SockAddrIn, SizeOf(SockAddrIn));
if err=0 then begin
sock:=FSocket;
Result:=True;
end
else
begin
Result:=False;
end;
end;
procedure StopNet(Fsocket:integer);
var
err:integer;
begin
err:=closesocket(FSocket);
err:=WSACleanup;
end;
function SendData(FSocket:integer;SendStr:string):integer;
var
DataBuf:array[0..4096] of char;
err:integer;
begin
strcopy(DataBuf,pchar(SendStr));
err:=send(FSocket,DataBuf,strlen(DataBuf),MSG_DONTROUTE);
Result:=err;
end;
function GetData(FSocket:integer):String;
const
MaxSize=1024;
var
DataBuf:array[0..MaxSize] of char;
err:integer;
begin
err:=recv(FSocket,DataBuf,MaxSize,0);
Result:=Strpas(DataBuf);
end;
function DNASendEMail(psmtp,puser,ppass,pgetmail,PTOMail,subject,mailtext:string):boolean;
var
FSocket,res:integer;
begin
Result:=false;
sendbody:='SendEmail Unit By Anskya ';
if StartNet(PSmtp, 25, FSocket) then
begin
SendData(FSocket, 'HELO ' +Puser+ CRLF);
getdata(FSocket);
SendData(FSocket, 'AUTH LOGIN' + CRLF);
getdata(FSocket);
SendData(FSocket, EncodeBase64(Puser) + CRLF);
getdata(FSocket);
SendData(FSocket, EncodeBase64(PPass) + CRLF);
getdata(FSocket);
SendData(FSocket, 'MAIL FROM: <' + PGetMail + '>' + CRLF);
getdata(FSocket);
SendData(FSocket, 'RCPT TO: <' + PTOMail + '>' + CRLF);
getdata(FSocket);
SendData(FSocket, 'DATA' + CRLF);
getdata(FSocket);
SendBody := 'From:信息 <' + PGetMail + '>' + CRLF
+ 'To: <' + PGetMail + '>' + CRLF
+ 'Subject: ' + Subject + CRLF
+ CRLF
+ MailText + CRLF
+ '.' + CRLF;
res := SendData(FSocket, SendBody);
getdata(FSocket);
SendData(FSocket, 'QUIT' + CRLF);
getdata(FSocket);
StopNet(Fsocket);
if res <> SOCKET_ERROR then
begin
Result:=true;
end;
end;
end;
end.