两段代码一段是直接从WebBorwser中读出HTML源码,是一个是不通过文件装入HTML页面。 procedure SetHtml(const WebBrowser: TWebBrowser; const Html: string); var Stream: IStream; hHTMLText: HGLOBAL; psi: IPersistStreamInit; begin if not Assigned(WebBrowser.Document) then Exit;hHTMLText := GlobalAlloc(GPTR, Length(Html) + 1); if 0 = hHTMLText then RaiseLastWin32Error;CopyMemory(Pointer(hHTMLText), PChar(Html), Length(Html));OleCheck(CreateStreamOnHGlobal (hHTMLText, True, Stream)); try OleCheck(WebBrowser.Document. QueryInterface(IPersistStreamInit, psi)); try OleCheck(psi.InitNew); OleCheck(psi.Load(Stream)); finally psi := nil; end; finally Stream := nil; end; end;function GetHtml(const WebBrowser: TWebBrowser): string; const BufSize = $10000; var Size: Int64; Stream: IStream; hHTMLText: HGLOBAL; psi: IPersistStreamInit; begin if not Assigned(WebBrowser.Document) then Exit;OleCheck(WebBrowser.Document.QueryInterface (IPersistStreamInit, psi)); try //OleCheck(psi.GetSizeMax(Size)); hHTMLText := GlobalAlloc(GPTR, BufSize); if 0 = hHTMLText then RaiseLastWin32Error;OleCheck(CreateStreamOnHGlobal(hHTMLText, True, Stream)); try OleCheck(psi.Save(Stream, False));Size := StrLen(PChar(hHTMLText)); SetLength(Result, Size); CopyMemory(PChar(Result), Pointer(hHTMLText), Size); finally Stream := nil; end; finally psi := nil; end; end;
我找到了答案,分还是照样发!!!!uses ActiveX; function WB_SaveHTMLCode(WebBrowser: TWebBrowser; const FileName: TFileName): Boolean; var ps: IPersistStreamInit; fs: TFileStream; sa: IStream; begin ps := WebBrowser.Document as IPersistStreamInit; fs := TFileStream.Create(FileName, fmCreate); try sa := TStreamAdapter.Create(fs, soReference) as IStream; Result := Succeeded(ps.Save(sa, True)); finally fs.Free; end; end; function WB_GetHTMLCode(WebBrowser: TWebBrowser; ACode: TStrings): Boolean; var ps: IPersistStreamInit; ss: TStringStream; sa: IStream; s: string; begin ps := WebBrowser.Document as IPersistStreamInit; s := ''; ss := TStringStream.Create(s); try sa := TStreamAdapter.Create(ss, soReference) as IStream; Result := Succeeded(ps.Save(sa, True)); if Result then ACode.Add(ss.Datastring); finally ss.Free; end; end; procedure TForm1.Button1Click(Sender: TObject); begin WB_SaveHTMLCode(Webbrowser1, 'c:\test.txt'); end; procedure TForm1.Button2Click(Sender: TObject); begin WB_GetHTMLCode(Webbrowser1, Memo1.Lines); end;
内容在td中
procedure SetHtml(const WebBrowser:
TWebBrowser; const Html: string);
var
Stream: IStream;
hHTMLText: HGLOBAL;
psi: IPersistStreamInit;
begin
if not Assigned(WebBrowser.Document) then Exit;hHTMLText := GlobalAlloc(GPTR, Length(Html) + 1);
if 0 = hHTMLText then RaiseLastWin32Error;CopyMemory(Pointer(hHTMLText),
PChar(Html), Length(Html));OleCheck(CreateStreamOnHGlobal
(hHTMLText, True, Stream));
try
OleCheck(WebBrowser.Document.
QueryInterface(IPersistStreamInit, psi));
try
OleCheck(psi.InitNew);
OleCheck(psi.Load(Stream));
finally
psi := nil;
end;
finally
Stream := nil;
end;
end;function GetHtml(const WebBrowser:
TWebBrowser): string;
const
BufSize = $10000;
var
Size: Int64;
Stream: IStream;
hHTMLText: HGLOBAL;
psi: IPersistStreamInit;
begin
if not Assigned(WebBrowser.Document) then Exit;OleCheck(WebBrowser.Document.QueryInterface
(IPersistStreamInit, psi));
try
//OleCheck(psi.GetSizeMax(Size));
hHTMLText := GlobalAlloc(GPTR, BufSize);
if 0 = hHTMLText then RaiseLastWin32Error;OleCheck(CreateStreamOnHGlobal(hHTMLText,
True, Stream));
try
OleCheck(psi.Save(Stream, False));Size := StrLen(PChar(hHTMLText));
SetLength(Result, Size);
CopyMemory(PChar(Result), Pointer(hHTMLText),
Size);
finally
Stream := nil;
end;
finally
psi := nil;
end;
end;
ActiveX; function WB_SaveHTMLCode(WebBrowser: TWebBrowser; const FileName: TFileName): Boolean;
var
ps: IPersistStreamInit;
fs: TFileStream;
sa: IStream;
begin
ps := WebBrowser.Document as IPersistStreamInit;
fs := TFileStream.Create(FileName, fmCreate);
try
sa := TStreamAdapter.Create(fs, soReference) as IStream;
Result := Succeeded(ps.Save(sa, True));
finally
fs.Free;
end;
end; function WB_GetHTMLCode(WebBrowser: TWebBrowser; ACode: TStrings): Boolean;
var
ps: IPersistStreamInit;
ss: TStringStream;
sa: IStream;
s: string;
begin
ps := WebBrowser.Document as IPersistStreamInit;
s := '';
ss := TStringStream.Create(s);
try
sa := TStreamAdapter.Create(ss, soReference) as IStream;
Result := Succeeded(ps.Save(sa, True));
if Result then ACode.Add(ss.Datastring);
finally
ss.Free;
end;
end; procedure TForm1.Button1Click(Sender: TObject);
begin
WB_SaveHTMLCode(Webbrowser1, 'c:\test.txt');
end; procedure TForm1.Button2Click(Sender: TObject);
begin
WB_GetHTMLCode(Webbrowser1, Memo1.Lines);
end;
这个网页有一个自动转向功能,一但发现问题就会转到问题页上
现在的问题是我怎么得到当前页的html??
webbrowser.OleObject.document.documentelement.innerhtml;
Text
webbrowser.OleObject.document.documentelement.innerText;
现在的问题是我怎么得到当前页的html??