📄 文件类和流操作.mht
字号:
2"> &nbs=
p; =20
</SPAN>}</FONT></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN=20
lang=3DEN-US><FONT face=3D"Times New Roman"><FONT =
size=3D3><SPAN=20
style=3D"mso-spacerun: yes"> =
</SPAN>2</FONT></FONT></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT=20
=
size=3D3>=A3=A9<STRONG>=C8=B7=B6=A8=CE=C4=BC=FE=C2=B7=BE=B6=B4=E6=D4=DA</=
STRONG></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 31.5pt; =
mso-char-indent-count: 3.0; mso-char-indent-size: 10.5pt"><FONT=20
size=3D3><FONT face=3D"Times New Roman"><SPAN=20
lang=3DEN-US>fsSession.MkDirAll(KFullNameOfFileStore); // =
make sure=20
directory exists</SPAN><SPAN lang=3DEN-US=20
style=3D"FONT-SIZE: =
10pt"><O:P></O:P></SPAN></FONT></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN=20
lang=3DEN-US><SPAN style=3D"mso-spacerun: yes"><FONT=20
face=3D"Times New Roman" =
size=3D3> =20
</FONT></SPAN></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN=20
lang=3DEN-US><FONT size=3D3><FONT=20
face=3D"Times New =
Roman"> <O:P></O:P></FONT></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN=20
lang=3DEN-US><FONT face=3D"Times New Roman"><FONT =
size=3D3><SPAN=20
style=3D"mso-spacerun: yes"> =
</SPAN>3</FONT></FONT></SPAN><FONT=20
size=3D3><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=A3=A9<STRONG>=BD=A8=C1=A2=CE=C4=BC=FE=B4=E6=B4=A2</STRONG></SPAN=
><STRONG><SPAN=20
lang=3DEN-US><O:P></O:P></SPAN></STRONG></FONT></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; =
mso-char-indent-count: 2.0; mso-char-indent-size: 10.5pt"><SPAN=20
lang=3DEN-US><FONT face=3D"Times New Roman" =
size=3D3>TParse<SPAN=20
style=3D"mso-tab-count: =
1"> =20
</SPAN>filestorename;// The class uses the full filename =
structure=20
supported by Symbian </FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN=20
lang=3DEN-US><FONT size=3D3><FONT face=3D"Times New =
Roman"><SPAN=20
style=3D"mso-tab-count: =
1"> =20
=
</SPAN>fsSession.Parse(aName,filestorename);</FONT></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; =
mso-char-indent-count: 2.0; mso-char-indent-size: 10.5pt"><SPAN=20
lang=3DEN-US><FONT face=3D"Times New Roman"=20
=
size=3D3>/*--------------------------------------------------------------=
----------------------------------</FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; =
mso-char-indent-count: 2.0; mso-char-indent-size: 10.5pt"><FONT=20
size=3D3><SPAN lang=3DEN-US><FONT face=3D"Times New =
Roman"><SPAN=20
style=3D"mso-spacerun: yes"> </SPAN>TDesC&=20
aName</FONT></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=A1=A3=BF=C9=D2=D4=CD=A8=B9=FD=D2=D4=CF=C2=B7=BD=CA=BD=B8=F8</SPA=
N><SPAN=20
lang=3DEN-US><FONT face=3D"Times New =
Roman">aNAME</FONT></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=B8=B3=D6=B5=A3=BA</SPAN></FONT><SPAN=20
lang=3DEN-US><BR><FONT size=3D3><FONT face=3D"Times New =
Roman"><SPAN=20
style=3D"mso-spacerun: yes"> =20
=
</SPAN>_LIT(aName,"C:\\epoc32ex\\data\\SimpleClassToSimpleStream.dat");</=
FONT></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; =
mso-char-indent-count: 2.0; mso-char-indent-size: 10.5pt"><SPAN=20
lang=3DEN-US><FONT face=3D"Times New Roman"=20
=
size=3D3>----------------------------------------------------------------=
------------------------------*/</FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN=20
lang=3DEN-US><FONT size=3D3><FONT face=3D"Times New =
Roman"><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN><SPAN=20
style=3D"mso-tab-count: =
1"> =20
</SPAN>// construct file store object - the file to contain=20
the</FONT></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN=20
lang=3DEN-US><FONT size=3D3><FONT face=3D"Times New =
Roman"><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN><SPAN=20
style=3D"mso-tab-count: =
1"> =20
</SPAN>// the store replaces any existing file of the same=20
name.</FONT></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US><FONT face=3D"Times New Roman"><SPAN=20
style=3D"mso-tab-count: =
1"> =20
</SPAN>CFileStore*<SPAN=20
style=3D"mso-spacerun: yes"> =20
</SPAN>//</FONT></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=C8=E7=B9=FB</SPAN><SPAN=20
lang=3DEN-US style=3D"COLOR: red"><FONT=20
face=3D"Times New Roman">EFileRead</FONT></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=CE=AA=B6=C1=B3=F6=C1=F7</SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 42pt; =
mso-char-indent-count: 4.0; mso-char-indent-size: 10.5pt"><SPAN=20
lang=3DEN-US><FONT size=3D3><FONT face=3D"Times New =
Roman"><SPAN=20
style=3D"mso-spacerun: yes"> </SPAN>store =3D=20
=
CDirectFileStore::ReplaceLC(fsSession,filestorename.FullName(),<SPAN=20
style=3D"COLOR: =
red">EFileWrite</SPAN>);</FONT></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US><FONT=20
face=3D"Times New =
Roman">store->SetTypeL(KDirectFileStoreLayoutUid);=20
// </FONT></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=C9=E8=B6=A8=B4=E6=B4=A2=D6=D6=C0=E0</SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN=20
lang=3DEN-US><FONT face=3D"Times New Roman"><FONT=20
size=3D3> <O:P></O:P></FONT></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US><FONT face=3D"Times New =
Roman">4</FONT></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=A3=A9<STRONG>=BD=AB=CD=E2=B2=BF=CA=FD=BE=DD=D0=B4=C8=EB=C1=F7</S=
TRONG>=A3=BA=A3=BA=A3=A8=BC=C7=D2=E4=B7=BD=CA=BD=A3=BA</SPAN><SPAN=20
lang=3DEN-US><FONT face=3D"Times New =
Roman">>></FONT></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=D6=B8=CF=F2=BE=CD=CA=C7=CA=FD=BE=DD=C1=F7=CF=F2=A3=A9</SPAN><SPA=
N=20
lang=3DEN-US><FONT face=3D"Times New =
Roman">//</FONT></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=BC=D9=C9=E8=A3=BA</SPAN><SPAN=20
lang=3DEN-US><FONT face=3D"Times New Roman">TSimple=20
anXxx;</FONT></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 42pt; =
mso-char-indent-count: 4.0; mso-char-indent-size: 10.5pt"><SPAN=20
lang=3DEN-US><FONT face=3D"Times New Roman" =
size=3D3>RStoreWriteStream=20
outstream;</FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><SPAN=20
lang=3DEN-US><FONT size=3D3><FONT face=3D"Times New =
Roman"><SPAN=20
style=3D"mso-tab-count: =
1"> =20
</SPAN>TStreamId id =3D outstream.CreateLC(*store);=20
</FONT></FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 42pt; =
mso-char-indent-count: 4.0; mso-char-indent-size: 10.5pt"><FONT=20
size=3D3><SPAN lang=3DEN-US><FONT=20
face=3D"Times New =
Roman">//----------------------------</FONT></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=BD=AB=B1=EA=C1=BF=D0=B4=C8=EB=CA=FD=BE=DD=C1=F7</SPAN><SPAN=20
lang=3DEN-US><FONT=20
face=3D"Times New =
Roman">------------------</FONT></SPAN></FONT></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 42pt; =
mso-char-indent-count: 4.0; mso-char-indent-size: 10.5pt"><SPAN=20
lang=3DEN-US><FONT face=3D"Times New Roman" =
size=3D3>outstream<<=20
anXxx;</FONT></SPAN></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US><SPAN style=3D"mso-spacerun: yes"><FONT=20
face=3D"Times New Roman"> =
</FONT></SPAN></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=BB=F2=D5=DF</SPAN><FONT=20
face=3D"Times New Roman"> <SPAN=20
=
lang=3DEN-US>aStream.WriteInt8L(anXxx);</SPAN></FONT></FONT></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US><SPAN style=3D"mso-spacerun: yes"><FONT=20
face=3D"Times New Roman"> =
</FONT></SPAN></SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-hansi-font-family: =
'Times New Roman'; mso-ascii-font-family: 'Times New =
Roman'">=CA=B5=BC=CA=C9=CF=D5=E2=C0=EF=CA=B9=D3=C3=C1=CB=C1=F7=B5=C4=C0=A9=
=D5=B9=BB=AF=A3=BA=A3=A8=B5=B1=CA=E4=B3=F6=B2=BB=CA=C7=C6=D5=CD=A8=B5=C4=D4=
=AA=CA=FD=BE=DD=CA=B1=A3=AC=CA=B9=D3=C3=D5=E2=B8=F6=C0=A9=D5=B9=BB=AF=A3=A9=
=D5=E2=CA=C7=D2=BB=B8=F6=D0=E9=BA=AF=CA=FD=B5=C4=D6=D8=D4=D8</SPAN></FONT=
></P>
<P class=3DMsoNormal=20
style=3D"MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 42pt; =
mso-char-indent-count: 4.0; mso-char-indent-size: 10.5pt"><SPAN=20
lang=3DEN-US><FONT face=3D"Times New Roman" size=3D3>void=20
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