📄 center of stl study 标准模板库(stl)介绍（下）.mht
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Date: Tue, 9 Dec 2008 17:47:00 +0800
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<DIV class=3Dblog>
<H2 class=3Ddate>December 22, 2004</H2>
<DIV class=3Dblogbody>
<H3 =
class=3Dtitle>=B1=EA=D7=BC=C4=A3=B0=E5=BF=E2(STL)=BD=E9=C9=DC=A3=A8=CF=C2=
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<P>=D7=F7=D5=DF=A3=BA<A =
href=3D"http://www.winterxy.com/blog/000029.html" target=3D_blank>=20
winter</A> </P>=D7=F7=D5=DF=A3=BAScott Field =A1=A3=20
=B1=BE=CE=C4=D2=D4STL=C8=DD=C6=F7list=CE=AA=C0=FD=A3=AC=BD=E9=C9=DC=C1=CB=
find()=BA=AF=CA=FD=A1=A2sort()=BA=AF=CA=FD=A3=ACsearch()=BA=AF=CA=FD=A3=AC=
splice()=BA=AF=CA=FD=B5=C8=A3=AC=D3=C9=C7=B3=C8=EB=C9=EE=A3=AC=B0=D1list=B5=
=C4=D3=C3=B7=A8=BA=CD=CF=E0=B9=D8=CD=A8=D3=C3=BA=AF=CA=FD=B5=C4=D3=C3=B7=A8=
=D7=F6=C1=CB=CF=EA=CF=B8=BD=E9=C9=DC=A1=A3=20
<A name=3Dmore></A>
<P><FONT face=3DArial size=3D2><FONT =
face=3DArial><B>=CA=B9=D3=C3STL=CD=A8=D3=C3=CB=E3=B7=A8find()=D4=DAlist=D6=
=D0=B2=E9=D5=D2=B6=D4=CF=F3=20
</B><BR><BR>=A1=A1=A1=A1=CE=D2=C3=C7=C8=E7=BA=CE=D4=DAlist=D6=D0=B2=E9=D5=
=D2=B6=AB=CE=F7=C4=D8=A3=BFSTL=B5=C4=CD=A8=D3=C3=CB=E3=B7=A8find()=BA=CDf=
ind_if()=BF=C9=D2=D4=D7=F6=D5=E2=D0=A9=A1=A3 =BE=CD=CF=F3for_each(),=20
count(), count_if() =
=D2=BB=D1=F9=A3=AC=D5=E2=D0=A9=CB=E3=B7=A8=D2=B2=CA=B9=D3=C3iterator=B7=B6=
=CE=A7=A3=AC=D5=E2=B8=F6=B7=B6=CE=A7=D6=B8=B3=F6=D2=BB=B8=F6list=BB=F2=C8=
=CE=D2=E2=20
=C6=E4=CB=FB=C8=DD=C6=F7=D6=D0=B5=C4=D2=BB=B2=BF=B7=D6=C0=B4=B4=A6=C0=ED=A1=
=A3=CD=A8=B3=A3=CA=D7iterator=D6=B8=D7=C5=BF=AA=CA=BC=B5=C4=CE=BB=D6=C3=A3=
=AC=B4=CEiterator=D6=B8=D7=C5=CD=A3=D6=B9=B4=A6=C0=ED=B5=C4=B5=D8=B7=BD=A1=
=A3 =
=D3=C9=B4=CEiterator=D6=B8=B3=F6=B5=C4=D4=AA=CB=D8=B2=BB=B1=BB=B4=A6=C0=ED=
=A1=A3=20
<BR>=D5=E2=CA=C7find()=C8=E7=BA=CE=B9=A4=D7=F7=A3=BA =
<BR><BR></FONT><FONT face=3DFixedsys><FONT color=3D#808000>/*=20
<BR>|| How to find things in an STL list <BR>*/ <BR></FONT><FONT=20
color=3D#0000ff>#include</FONT> <</FONT></FONT><FONT face=3DFixedsys=20
color=3D#0000ff size=3D2>string</FONT><FONT face=3DFixedsys><FONT =
size=3D2>>=20
<BR></FONT><FONT color=3D#0000ff size=3D2>#include</FONT><FONT size=3D2> =
<</FONT></FONT><FONT face=3DFixedsys color=3D#0000ff =
size=3D2>list</FONT><FONT=20
face=3DFixedsys size=3D2>> <BR><FONT color=3D#0000ff>#include</FONT> =
<<FONT=20
color=3D#0000ff>algorithm</FONT>> <BR><BR></FONT><FONT =
face=3DFixedsys=20
color=3D#0000ff size=3D2>int</FONT><FONT face=3DFixedsys size=3D2> main =
(<FONT=20
color=3D#0000ff>void</FONT></FONT><FONT face=3DFixedsys size=3D2>) {=20
<BR> <FONT =
color=3D#0000ff>list<string></FONT></FONT><FONT=20
face=3DFixedsys size=3D2> Fruit; <BR> <FONT=20
color=3D#0000ff>list<string></FONT></FONT><FONT face=3DFixedsys=20
size=3D2>::iterator FruitIterator; <BR><BR> =20
Fruit.push_back("Apple"); <BR> =
Fruit.push_back("Pineapple");=20
<BR> Fruit.push_back("Star Apple"); =
<BR><BR> =20
FruitIterator =3D find (Fruit.begin(), Fruit.end(), "Pineapple"); =
<BR> =20
<BR> <FONT color=3D#0000ff>if</FONT></FONT><FONT =
face=3DFixedsys=20
size=3D2> (FruitIterator =3D=3D Fruit.end()) {=20
<BR> cout << "Fruit not =
found in=20
list" << endl; <BR> } <BR> =
<FONT=20
color=3D#0000ff>else</FONT></FONT><FONT face=3DFixedsys size=3D2> {=20
<BR> </FONT><FONT =
face=3DFixedsys=20
color=3D#0000ff size=3D2>cout</FONT><FONT face=3DFixedsys size=3D2> =
<<=20
*FruitIterator << endl; <BR> } <BR>} =
<BR></FONT><FONT=20
face=3DArial size=3D2><FONT face=3DArial><BR>=CA=E4=B3=F6=CA=C7=A3=BA =
<BR><BR>Pineapple=20
<BR><BR>=C8=E7=B9=FB=C3=BB=D3=D0=D5=D2=B5=BD=D6=B8=B3=F6=B5=C4=B6=D4=CF=F3=
=A3=AC=BE=CD=BB=E1=B7=B5=BB=D8Fruit.end()=B5=C4=D6=B5=A3=AC=D2=AA=CA=C7=D5=
=D2=B5=BD=C1=CB=BE=CD=B7=B5=BB=D8=D2=BB=B8=F6=D6=B8=D7=C5=D5=D2=B5=BD=B5=C4=
=B6=D4=CF=F3=B5=C4iterator=20
<BR><BR><BR>-------------------------------------------------------------=
-------------------=20
<BR><BR><B>=CA=B9=D3=C3STL=CD=A8=D3=C3=CB=E3=B7=A8find_if()=D4=DAlist=D6=D0=
=CB=D1=CB=F7=B6=D4=CF=F3 </B></FONT></FONT></P>
<P><FONT face=3DArial size=3D2><FONT=20
face=3DArial><BR>=D5=E2=CA=C7find()=B5=C4=D2=BB=B8=F6=B8=FC=C7=BF=B4=F3=B5=
=C4=B0=E6=B1=BE=A1=A3=D5=E2=B8=F6=C0=FD=D7=D3=D1=DD=CA=BE=C1=CBfind_if()=A3=
=AC=CB=FC=BD=D3=CA=D5=D2=BB=B8=F6=BA=AF=CA=FD=B6=D4=CF=F3=B5=C4=B2=CE=CA=FD=
=D7=F7=CE=AA=B2=CE=CA=FD=A3=AC=20
=B2=A2=CA=B9=D3=C3=CB=FC=C0=B4=D7=F6=B8=FC=B8=B4=D4=D3=B5=C4=C6=C0=BC=DB=B6=
=D4=CF=F3=CA=C7=B7=F1=BA=CD=B8=F8=B3=F6=B5=C4=B2=E9=D5=D2=CC=F5=BC=FE=CF=E0=
=B8=B6=A1=A3=20
<BR>=BC=D9=C9=E8=CE=D2=C3=C7=B5=C4list=D6=D0=D3=D0=D2=BB=D0=A9=B0=B4=C4=EA=
=B4=FA=C5=C5=C1=D0=B5=C4=B0=FC=BA=AC=C1=CB=CA=C2=BC=FE=BA=CD=C8=D5=C6=DA=B5=
=C4=BC=C7=C2=BC=A1=A3=CE=D2=C3=C7=CF=A3=CD=FB=D5=D2=B3=F6=B7=A2=C9=FA=D4=DA=
1997=C4=EA=B5=C4=CA=C2=BC=FE=A1=A3=20
<BR></FONT><BR></FONT><FONT face=3DFixedsys color=3D#808000 size=3D2>/* =
<BR>|| How to=20
find things in an STL list MkII <BR>*/ </FONT><FONT face=3DFixedsys=20
size=3D2><BR><FONT color=3D#0000ff>#include <string> =
</FONT><BR><FONT=20
color=3D#0000ff>#include <list> <BR>#include <algorithm>=20
</FONT><BR> <BR><FONT color=3D#0000ff>class</FONT> EventIsIn1997 { =
<BR><FONT=20
color=3D#0000ff>public:</FONT></FONT><FONT face=3DFixedsys size=3D2>=20
<BR> <FONT color=3D#0000ff> bool</FONT></FONT><FONT =
face=3DFixedsys=20
size=3D2> <FONT color=3D#0000ff>operator</FONT></FONT><FONT =
face=3DFixedsys size=3D2> ()=20
(<FONT color=3D#0000ff>string</FONT></FONT><FONT face=3DFixedsys =
size=3D2>&=20
EventRecord) { <BR> <FONT=20
color=3D#808000>// year field is at position 12 for 4 characters in =
EventRecord=20
</FONT><BR> <FONT=20
color=3D#0000ff>return</FONT></FONT><FONT face=3DFixedsys size=3D2>=20
EventRecord.substr(12,4)=3D=3D"1997"; <BR> } <BR>};=20
<BR> <BR><FONT color=3D#0000ff>int </FONT></FONT><FONT =
face=3DFixedsys=20
size=3D2>main (<FONT color=3D#0000ff>void</FONT></FONT><FONT =
face=3DFixedsys size=3D2>)=20
{ <BR> <FONT=20
color=3D#0000ff>list<string></FONT></FONT><FONT face=3DFixedsys =
size=3D2>=20
Events; <BR> <BR> <FONT color=3D#808000>//</FONT> =
<FONT=20
color=3D#808000>string positions =
0123456789012345678901234567890123456789012345=20
</FONT><BR> Events.push_back("07 January 1995 Draft =
plan of=20
house prepared"); <BR> Events.push_back("07 February =
1996=20
Detailed plan of house prepared"); <BR> =
Events.push_back("10=20
January 1997 Client agrees to job"); <BR> =
Events.push_back("15=20
January 1997 Builder starts work on bedroom"); <BR> =20
Events.push_back("30 April 1997 Builder finishes work");=20
<BR> <BR> <FONT=20
color=3D#0000ff>list<string></FONT>::iterator EventIterator =3D =
find_if=20
(Events.begin(), Events.end(), EventIsIn1997());=20
<BR> <BR> <FONT color=3D#808000>// find_if =
completes the=20
first time EventIsIn1997()() returns true <BR> // for =
any=20
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