📄 从jar包中获取资源的方法.mht
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Date: Wed, 7 Jan 2009 10:21:53 +0800
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<TD=20
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=C4=B7=BD=B7=A8</STRONG></TD></TR></TBODY></TABLE>
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<TBODY>
<TR>
<TD></TD></TR></TBODY></TABLE>
<HR width=3D"99%" SIZE=3D1>
<BR></DIV></TD>
<TD width=3D"1%"></TD></TR>
<TR>
<TD colSpan=3D3>
<DIV align=3Dcenter>
<TABLE cellSpacing=3D0 cellPadding=3D0 =
width=3D"100%">
<TBODY>
<TR>
<TD width=3D8></TD>
<TD class=3DnewsDetail=20
style=3D"LINE-HEIGHT: 160%"><BR>
<DIV id=3Dzoom style=3D"FONT-SIZE: =
14px">
=
<H3><U><B>jungleford=C8=E7=CA=C7=CB=B5</B></U></H3><BR><BR> &n=
bsp; =BF=C9=C4=DC=D3=D0=B2=BB=C9=D9=B3=F5=D1=A7=D5=DF=BB=E1=D3=D0=D5=
=E2=D1=F9=B5=C4=C0=A7=BB=F3=A3=A8=D2=D4=C7=B0=CE=D2=D2=B2=D3=D0=B9=FD=A3=A9=
=A3=BA=D4=DA=C4=E3=B5=C4=B4=FA=C2=EB=C0=EF=B5=F7=D3=C3=C1=CB=D2=BB=D0=A9=D7=
=CA=D4=B4=CE=C4=BC=FE=A3=AC=C8=E7=CD=BC=C6=AC=A3=AC=D2=F4=C0=D6=B5=C8=A3=AC=
=D4=DA=B5=F7=CA=D4=BB=B7=BE=B3=BB=F2=B5=A5=B6=C0=D4=CB=D0=D0=B5=C4=CA=B1=BA=
=F2=BF=C9=D2=D4=D5=FD=B3=A3=CF=D4=CA=BE=BB=F2=B2=A5=B7=C5=A3=AC=B6=F8=D2=BB=
=B5=A9=B4=F2=B0=FC=B5=BDjar=CE=C4=BC=FE=D6=D0=A3=AC=D5=E2=D0=A9=B6=AB=B6=AB=
=BE=CD=D4=D9=D2=B2=B3=F6=B2=BB=C0=B4=C1=CB=A3=AC=B3=FD=B7=C7=B0=D1=D5=E2=B8=
=F6jar=B7=C5=B5=BD=D4=AD=C0=B4=CE=B4=B4=F2=B0=FC=D2=D4=C7=B0=B5=C4=C4=BF=C2=
=BC=CF=C2=A3=AC=B5=AB=CD=A8=B3=A3jar=CA=C7=B5=A5=B6=C0=B7=A2=B2=BC=B5=C4=A1=
=A3=D5=E2=C0=EF=BD=E9=C9=DC=D2=BB=B8=F6=BD=E2=BE=F6=D5=E2=C0=E0=CE=CA=CC=E2=
=B5=C4=B7=BD=B7=A8=A1=A3<BR><BR>
=
<H3><U><B>getResource=BA=CDgetResourceAsStream</B></U></H3><BR><BR> =
=CE=CA=CC=E2=B5=C4=B8=F9=D4=B4=BB=B9=CA=C7=D4=DA=D3=DA=C0=
=CF=C9=FA=B3=A3=CC=B8=B5=C4=CB=F9=CE=BDclass path=A3=AC=B2=BB=D0=C5=B5=
=C4=BB=B0=C4=E3=D4=DA=CF=B5=CD=B3=BB=B7=BE=B3=B1=E4=C1=BF=C0=EF=B5=C4Clas=
sPath=BC=D3=C9=CF=C4=E3=B5=C4jar=CE=C4=BC=FE=A3=AC=D5=E2=CF=C2=C4=E3=BE=CD=
=BF=B4=B5=C3=B5=BD=C4=E3=B5=C4=CD=BC=C6=AC=C1=CB=A3=A1=B5=AB=B5=A5=B6=C0=B7=
=A2=B2=BCjar=B5=C4=BB=B0=B2=BB=BF=C9=C4=DC=D6=B8=CD=FB=C3=BF=B4=CE=B6=BC=C8=
=C3=D3=C3=BB=A7=CE=AA=C4=E3=B5=C4jar=B6=F8=D7=A8=C3=C5=D0=DE=B8=C4classpa=
th=A1=A3=C4=C7=C3=B4=D3=D0=C3=BB=D3=D0=CA=B2=C3=B4=B0=EC=B7=A8=D2=BB=C0=CD=
=D3=C0=D2=DD=B5=D8=B8=E3=B6=A8=CB=FC=C4=D8=A3=BF=CE=D2=C3=C7=D0=E8=D2=AA=B4=
=D3=C0=E0=B5=C4=D7=B0=D4=D8=C8=EB=CA=D6=A1=A3=CF=C8=B3=B6=D4=B6=D2=BB=B5=E3=
=A3=AC=D4=DA=BF=AA=B7=A2JSP=D6=AE=C0=E0=B5=C4Web=D3=A6=D3=C3=B3=CC=D0=F2=B5=
=C4=CA=B1=BA=F2=D2=AA=D3=C3=B5=BD=B5=DA=C8=FD=B7=BD=B5=C4=BF=E2=D4=F5=C3=B4=
=B0=EC=A3=BF=CD=A8=B3=A3=B5=C4=D7=F6=B7=A8=CA=C7=B0=D1=D5=E2=D0=A9=BF=E2=A3=
=A8=BF=C9=D2=D4=CA=C7class=A3=AC=D2=B2=BF=C9=D2=D4=CA=C7jar=A3=A9=CD=B3=CD=
=B3=B7=C5=B5=BDWEB-INF/lib/=C4=BF=C2=BC=CF=C2=C3=E6=A3=AC=CE=AA=CA=B2=C3=B4=
=D5=E2=D1=F9=CF=B5=CD=B3=BE=CD=C8=CF=C1=CB=C4=D8=A3=BF=D2=F2=CE=AAWeb=C8=DD=
=C6=F7=A3=A8=C6=A9=C8=E7Tomcat=A3=A9=D4=DA=D7=B0=D4=D8=C0=E0=B5=C4=CA=B1=BA=
=F2=D3=D0=D7=D4=BC=BA=B5=C4=D7=E9=D6=AF=B7=BD=CA=BD=A3=A8=BF=C9=D2=D4=B2=CE=
=BF=BCTomcat=CA=D6=B2=E1<A=20
=
href=3D"http://jakarta.apache.org/tomcat/tomcat-4.1-doc/class-loader-howt=
o.html">http://jakarta.apache.org/tomcat/tomcat-4.1-doc/class-loader-howt=
o.html</A>=A3=A9=A1=A3=CC=D8=B1=F0=B5=D8=A3=ACjar=D2=B2=CA=C7=C0=E0=D7=B0=
=D4=D8=C6=F7=B5=C4=D2=BB=B8=F6=BF=C9=B7=C3=CE=CA=C3=BD=BD=E9=A3=ACClassLo=
ader=CC=E1=B9=A9=C1=CB=C1=BD=B8=F6=B7=BD=B7=A8=D3=C3=D3=DA=B4=D3=D7=B0=D4=
=D8=B5=C4=C0=E0=C2=B7=BE=B6=D6=D0=C8=A1=B5=C3=D7=CA=D4=B4=A3=BA<BR><BR>
<DIV class=3DcodeStyle>
<OL>
<LI> <B><FONT=20
=
color=3D#0000ff>public</FONT></B> <FONT=20
=
color=3D#ff0000>URL</FONT> getResource(<B><A=20
=
href=3D"http://www.javaresearch.org/source/jdk142/java/lang/String.java.h=
tml"=20
target=3D_blank><FONT=20
=
class=3DclassLink><U>String</U></FONT></A></B> name);=20
<LI> <B><FONT=20
=
color=3D#0000ff>public</FONT></B> <FONT=20
=
color=3D#ff0000>InputStream</FONT> getResourceAsStream(<B><A=20
=
href=3D"http://www.javaresearch.org/source/jdk142/java/lang/String.java.h=
tml"=20
target=3D_blank><FONT=20
=
class=3DclassLink><U>String</U></FONT></A></B> name);=20
=
</LI></OL></DIV><BR>=D5=E2=C0=EFname=CA=C7=D7=CA=D4=B4=B5=C4=C0=E0=C2=B7=BE=
=B6=A3=AC=CB=FC=CA=C7=CF=E0=B6=D4=D3=EB=A1=B0/=A1=B1=B8=F9=C2=B7=BE=B6=CF=
=C2=B5=C4=CE=BB=D6=C3=A1=A3getResource=B5=C3=B5=BD=B5=C4=CA=C7=D2=BB=B8=F6=
URL=B6=D4=CF=F3=C0=B4=B6=A8=CE=BB=D7=CA=D4=B4=A3=AC=B6=F8getResourceAsStr=
eam=C8=A1=B5=C3=B8=C3=D7=CA=D4=B4=CA=E4=C8=EB=C1=F7=B5=C4=D2=FD=D3=C3=B1=A3=
=D6=A4=B3=CC=D0=F2=BF=C9=D2=D4=B4=D3=D5=FD=C8=B7=B5=C4=CE=BB=D6=C3=B3=E9=C8=
=A1=CA=FD=BE=DD=A1=A3<BR> =D5=E6=D5=FD=CA=B9=D3=C3=
=B5=C4=B2=BB=CA=C7ClassLoader=B5=C4=D5=E2=C1=BD=B8=F6=B7=BD=B7=A8=A3=AC=B6=
=F8=CA=C7Class=B5=C4getResource=BA=CDgetResourceAsStream=B7=BD=B7=A8=A3=AC=
=D2=F2=CE=AAClass=B6=D4=CF=F3=BF=C9=D2=D4=B4=D3=C4=E3=B5=C4=C0=E0=B5=C3=B5=
=BD=A3=A8=C8=E7YourClass.class=BB=F2YourClass.getClass()=A3=A9=A3=AC=B6=F8=
ClassLoader=D4=F2=D0=E8=D2=AA=D4=D9=B5=F7=D3=C3=D2=BB=B4=CEYourClass.getC=
lassLoader()=B7=BD=B7=A8=A3=AC=B5=AB=B8=F9=BE=DDJDK=CE=C4=B5=B5=B5=C4=CB=B5=
=B7=A8=A3=ACClass=B6=D4=CF=F3=B5=C4=D5=E2=C1=BD=B8=F6=B7=BD=B7=A8=C6=E4=CA=
=B5=CA=C7=A1=B0=CE=AF=CD=D0=A1=B1=A3=A8delegate=A3=A9=B8=F8=D7=B0=D4=D8=CB=
=FC=B5=C4ClassLoader=C0=B4=D7=F6=B5=C4=A3=AC=CB=F9=D2=D4=D6=BB=D0=E8=D2=AA=
=CA=B9=D3=C3Class=B6=D4=CF=F3=B5=C4=D5=E2=C1=BD=B8=F6=B7=BD=B7=A8=BE=CD=BF=
=C9=D2=D4=C1=CB=A1=A3<BR> =D4=DA=B2=CE=BF=BC=D7=CA=
=C1=CF=D6=D0=D3=D0=D2=BB=C6=AA=C0=CF=CD=E2=D0=B4=B5=C4=CE=C4=D5=C2=B1=C8=BD=
=CF=C9=EE=C8=EB=BD=E9=C9=DC=C1=CB=B4=D3jar=D6=D0=D7=B0=D4=D8=D7=CA=D4=B4=B5=
=C4=B7=BD=B7=A8=A1=A3<BR><BR>
=
<H3><U><B>=D2=BB=B8=F6=D3=A6=D3=C3=B5=C4=C0=FD=D7=D3</B></U></H3><BR><BR>=
=D2=D4=CF=C2=CA=C7=D4=DA=CE=D2=D0=B4=B5=C4=D2=BB=B8=
=F6=D0=A1=B9=A4=BE=DF<A=20
class=3Dl2=20
=
href=3D"http://javaresearch.org/article/showarticle.jsp?column=3D1&th=
read=3D29668"=20
=
target=3D_blank>MSNHistoryCombiner</A>=D6=D0=D3=C3=B5=BD=B5=C4=D2=BB=B6=CE=
=B4=FA=C2=EB=A3=AC=BF=C9=D2=D4=B4=D3jar=D6=D0=D7=B0=D4=D8=CD=BC=C6=AC=BA=CD=
=CE=C4=B1=BE=D0=C5=CF=A2=A1=A3=C6=A9=C8=E7=A3=AC=C4=E3=B5=C4jar=D6=D0=B8=F9=
=C4=BF=C2=BC=CF=C2=D3=D0=B8=F6img=C4=BF=C2=BC=A3=AC=C0=EF=C3=E6=B7=C5=D3=D0=
=D2=BB=D0=A9=CD=BC=C6=AC=A3=AC=C8=E7img1.jpg=A3=AC=C4=E3=BF=C9=D2=D4=D5=E2=
=D1=F9=B5=F7=D3=C3<BR><BR>
<DIV class=3DcodeStyle>
<OL>
<LI> <FONT=20
=
color=3D#ff0000>Utilities</FONT>.getImageFromJar(<FONT=20
=
color=3D#ff33ff>"/img/img1.jpg"</FONT>, YourClass.<B><FONT=20
color=3D#0000ff>class</FONT></B>);=20
=
</LI></OL></DIV><BR>=D7=A2=D2=E2=B1=D8=D0=EB=D5=E2=C0=EF=CA=C7=A1=B0/img/=
img1.jpg=A1=B1=B6=F8=B7=C7=A1=B0img/img1.jpg=A1=B1=A1=A3=B4=D3jar=D6=D0=B6=
=C1=CE=C4=B1=BE=D7=CA=D4=B4=D2=B2=CA=C7=C0=E0=CB=C6=B7=BD=B7=A8=B5=F7=D3=C3=
getTextFromJar=A1=A3<BR> =D0=E8=D2=AA=CB=B5=C3=F7=B5=
=C4=CA=C7=A3=AC=D5=E2=B6=CE=B4=FA=C2=EB=D2=B2=B2=BB=CA=C7=CE=D2=D4=AD=B4=B4=
=B5=C4=A3=AC=CA=C7=B4=D3=D2=BB=B6=CE=B1=F0=B5=C4=B4=FA=C2=EB=D6=D0=BE=AD=B9=
=FD=D0=DE=B8=C4=B5=C3=B5=BD=B5=C4=A3=AC=B5=AB=D4=AD=B4=FA=C2=EB=B5=C4=C0=B4=
=D4=B4=CD=FC=BC=C7=C1=CB=A3=AC=D4=DA=D5=E2=C0=EF=CF=F2=D4=AD=D7=F7=D5=DF=B1=
=ED=CA=BE=B8=D0=D0=BB=BA=CD=C7=B8=D2=E2=A1=A3<BR><BR>
<DIV class=3DcodeStyle>
<OL>
<LI><B><FONT=20
=
color=3D#0000ff>import</FONT></B> java.io.*;=20
<LI><B><FONT=20
=
color=3D#0000ff>import</FONT></B> java.awt.*;=20
<LI>
<LI><B><FONT=20
=
color=3D#0000ff>public</FONT></B> <B><FONT=20
=
color=3D#0000ff>class</FONT></B> <FONT=20
color=3D#ff0000>Utilities</FONT>=20
<LI>{=20
<LI> <I><FONT=20
color=3D#339900>/**</FONT></I>=20
<LI><I><FONT=20
=
color=3D#339900> * <p></FONT></I>=20
<LI><I><FONT=20
=
color=3D#339900> * Description: Return an=
Image based on the supplied image ide=
ntifier. The</FONT></I>=20
<LI><I><FONT=20
=
color=3D#339900> * image is assumed =
to reside at the defined location within&nb=
sp;the same</FONT></I>=20
<LI><I><FONT=20
=
color=3D#339900> * repository as this&nbs=
p;class.</FONT></I>=20
<LI><I><FONT=20
=
color=3D#339900> */</FONT></I>=20
<LI> <B><FONT=20
=
color=3D#0000ff>public</FONT></B> <B><FONT=20
=
color=3D#0000ff>static</FONT></B> <FONT=20
=
color=3D#ff0000>Image</FONT> getImageFromJar(<B><FONT=20
=
color=3D#0000ff>final</FONT></B> <B><A=20
=
href=3D"http://www.javaresearch.org/source/jdk142/java/lang/String.java.h=
tml"=20
target=3D_blank><FONT=20
=
class=3DclassLink><U>String</U></FONT></A></B> imageId, <B><A=20
=
href=3D"http://www.javaresearch.org/source/jdk142/java/lang/Class.java.ht=
ml"=20
target=3D_blank><FONT=20
=
class=3DclassLink><U>Class</U></FONT></A></B> c)=20
<LI> {=20
<LI> <I><FONT=20
=
color=3D#339900>// Image reference initialised to&nbs=
p;null (the image may not be found).</FONT>=
</I>=20
<LI> <FONT=20
=
color=3D#ff0000>Image</FONT> image =3D <B><FONT=20
color=3D#0000ff>null</FONT></B>;=20
<LI> <I><FONT=20
=
color=3D#339900>// Open a resource stream on&nbs=
p;the supplied image identifier.</FONT></I>=20
<LI> <B><FONT=20
=
color=3D#0000ff>final</FONT></B> <B><A=20
=
href=3D"http://www.javaresearch.org/source/jdk142/java/io/InputStream.jav=
a.html"=20
target=3D_blank><FONT=20
=
class=3DclassLink><U>InputStream</U></FONT></A></B> inputStream =
;=3D c.getResourceAsStream(imageId);=20
<LI> <I><FONT=20
=
color=3D#339900>// If the image data is fou=
nd...</FONT></I>=20
<LI> <B><FONT=20
=
color=3D#0000ff>if</FONT></B> (inputStream !=3D <B><FONT=20
color=3D#0000ff>null</FONT></B>)=20
<LI> {=20
=
<LI> <I><FONT=20
=
color=3D#339900>// Open a byte array output =
;stream so that we can create a byte</=
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