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📄 利用ramdonaccessfile来实现文件的追加.mht

📁 JAVA核心源代码及算法,适合入门的初学者,可以让你快的入门
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ndomAccessFile("d:\\jeru.txt","rw");=20
            =
<BR>=A1=A1=A1=A1=A1=A1for&nbsp;(int&nbsp;i&nbsp;=3D&nbsp;0;&nbsp;i&nbsp;&=
amp;lt;&nbsp;10;&nbsp;i&nbsp;++&nbsp;)=A1=A1{=20
            =
<BR>=A1=A1=A1=A1=A1=A1=A1=A1rf1.writeBytes("xixi,this&nbsp;is&nbsp;line&n=
bsp;"+i+"\n");=20
            <BR>=A1=A1=A1=A1=A1=A1} <BR>=A1=A1=A1=A1=A1=A1rf1.close(); =
<BR>=A1=A1 <BR>=A1=A1=A1=A1=A1=A1int&nbsp;i&nbsp;=3D&nbsp;0;=20
            =
<BR>=A1=A1=A1=A1=A1=A1String&nbsp;record&nbsp;=3D&nbsp;new&nbsp;String();=
=20
            =
<BR>=A1=A1=A1=A1=A1=A1RandomAccessFile&nbsp;rf2&nbsp;=3D&nbsp;new&nbsp;Ra=
ndomAccessFile("d:\\jeru.txt","rw");=20
            <BR>=A1=A1=A1=A1=A1=A1rf2.seek(rf2.length());=20
            =
<BR>=A1=A1=A1=A1=A1=A1rf2.writeBytes("lala,append&nbsp;line"+"\n");=20
            <BR>=A1=A1=A1=A1=A1=A1rf2.close(); <BR>=A1=A1=A1=A1=20
            =
<BR>=A1=A1=A1=A1=A1=A1RandomAccessFile&nbsp;rf3&nbsp;=3D&nbsp;new&nbsp;Ra=
ndomAccessFile("d:\\jeru.txt","r");=20
            =
<BR>=A1=A1=A1=A1=A1=A1while&nbsp;((record&nbsp;=3D&nbsp;rf3.readLine())&n=
bsp;!=3D&nbsp;null)&nbsp;{=20
            <BR>=A1=A1=A1=A1=A1=A1=A1=A1i&nbsp;++;=20
            =
<BR>=A1=A1=A1=A1=A1=A1=A1=A1System.out.println("Value&nbsp;"+i+":"+record=
); <BR>=A1=A1=A1=A1=A1=A1}=20
            <BR>=A1=A1=A1=A1=A1=A1rf3.close(); =
<BR>=A1=A1&nbsp;}catch(Exception&nbsp;e){} <BR>}=20
            <BR>}=20
            <P><EM><FONT=20
            =
size=3D2>=D4=DA=B1=A3=C1=F4http://www.javajia.com=D4=AD=B3=F6=B4=A6=B5=C4=
=C7=E9=BF=F6=CF=C2=A3=AC=BB=B6=D3=AD=D7=AA=D4=D8!</FONT></EM></P>
            <P><A=20
            =
href=3D"http://emailpage.activepower.net/model/send.asp?emailpage_id=3D26=
439"=20
            target=3D_blank></A></P>
            <P align=3Dcenter><A=20
            =
href=3D"http://www.javajia.com/article.php?id=3D726#top"><IMG=20
            src=3D"http://www.javajia.com/images/top.gif"=20
        =
border=3D0></A></P></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
<P>&nbsp;</P><FONT color=3D#0772b1>&lt;!--</FONT></BODY></HTML>

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"=CB=CE=CC=E5"
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HEIGHT: 20px
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A.gray:hover {
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}
A:visited {
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}
A:active {
	COLOR: #000000; TEXT-DECORATION: underline
}
A.small:visited {
	COLOR: #000000; TEXT-DECORATION: underline
}
A:link {
	TEXT-DECORATION: underline
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A.small:link {
	TEXT-DECORATION: underline
}
A:hover {
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A.path:link {
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A.path:visited {
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A.path:active {
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}
A.path:hover {
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A.title:link {
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A.title:visited {
	COLOR: #0772b1; TEXT-DECORATION: none
}
A.title:active {
	COLOR: #0772b1; TEXT-DECORATION: none
}
A.title:hover {
	COLOR: #ff0000; TEXT-DECORATION: underline
}
A.uln:link {
	COLOR: #ff8800; TEXT-DECORATION: none
}
A.uln:visited {
	COLOR: #ff8800; TEXT-DECORATION: none
}
A.uln:active {
	COLOR: #ff8800; TEXT-DECORATION: none
}
A.uln:hover {
	COLOR: #ff0000; TEXT-DECORATION: underline
}
A.b2r:link {
	COLOR: #ff0000; TEXT-DECORATION: underline
}
A.b2r:visited {
	COLOR: #ff0000; TEXT-DECORATION: underline
}
A.b2r:active {
	COLOR: #ff0000; TEXT-DECORATION: underline
}
A.b2r:hover {
	COLOR: #000000; TEXT-DECORATION: underline
}
.path_br {
	BORDER-RIGHT: #0772b1 2px solid; BORDER-TOP: black 1px solid; =
BORDER-LEFT: #0772b1 2px solid; BORDER-BOTTOM: black 0px solid
}
.body_br {
	BORDER-RIGHT: #0772b1 2px solid; BORDER-TOP: #0772b1 0px solid; =
BORDER-LEFT: #0772b1 2px solid; BORDER-BOTTOM: #0772b1 1px solid
}
.hborder {
	BORDER-RIGHT: #0772b1 2px solid; BORDER-TOP: #0772b1 0px solid; =
BORDER-LEFT: #0772b1 2px solid; BORDER-BOTTOM: #0772b1 0px solid
}
.graybr {
	BORDER-RIGHT: #cccccc 1px solid; BORDER-TOP: #cccccc 1px solid; =
BORDER-LEFT: #cccccc 1px solid; BORDER-BOTTOM: #cccccc 1px solid
}
.small {
	FONT-SIZE: 12px; FONT-FAMILY: "=D0=C2=CB=CE=CC=E5", "=CB=CE=CC=E5"
}
.mid {
	FONT-SIZE: 14px; LINE-HEIGHT: 20px; FONT-FAMILY: "=D0=C2=CB=CE=CC=E5", =
"=CB=CE=CC=E5"
}
.big {
	FONT-SIZE: 16px; COLOR: #ffffff; LINE-HEIGHT: 18pt; FONT-FAMILY: =
"=D0=C2=CB=CE=CC=E5", "=CB=CE=CC=E5"; TEXT-DECORATION: none
}
.bigblack {
	FONT-WEIGHT: bold; FONT-SIZE: 18px; COLOR: #000000; LINE-HEIGHT: 18pt; =
FONT-FAMILY: "=D0=C2=CB=CE=CC=E5", "=CB=CE=CC=E5"; TEXT-DECORATION: none
}
.articletitle {
	FONT-SIZE: 24px; COLOR: #0066cc; LINE-HEIGHT: 24px
}
.br-bottem {
	BORDER-RIGHT: black 0px solid; BORDER-TOP: black 0px solid; =
BORDER-LEFT: black 0px solid; BORDER-BOTTOM: #336699 2px solid
}

------=_NextPart_000_0009_01C52EE9.67F45290
Content-Type: application/octet-stream
Content-Transfer-Encoding: quoted-printable
Content-Location: http://www.javajia.com/components/mainscript.js

function scroll(seed)
{
    var m1 =3D "=BB=B6=D3=AD=C4=FA=B7=C3=CE=CAJava=BC=D2!, =
www.JavaJia.com ,  master@javajia.com"=20
    var m2 =3D =
"=D5=E2=C0=EF=B5=C4=C0=B8=C4=BF=D3=D0Frontpage=BD=CC=B3=CC=A3=ACDreamweav=
er=BD=CC=B3=CC=A3=ACFlash=BD=CC=B3=CC=A3=ACJAVASCRIPT=BD=C5=B1=BE=BE=AB=DD=
=CD=A3=AC=CF=A3=CD=FB=B6=D4=C4=FA=D3=D0=CB=F9=B0=EF=D6=FA ! "
    //var msg=3Dm1+m2;=20
    var msg=3Dm1;
    var out =3D " ";
    var c =3D 1;

    if (seed > 100)
    {
        seed--;
        var cmd=3D"scroll(" + seed + ")";
        timerTwo=3Dwindow.setTimeout(cmd,70);
    }
    else if (seed <=3D 100 && seed > 0)=20
    {
        for (c=3D0 ; c < seed ; c++)=20
        {
            out+=3D" ";
        }
        out+=3Dmsg;
        seed--;
        var cmd=3D"scroll(" + seed + ")";
        window.status=3Dout;
        timerTwo=3Dwindow.setTimeout(cmd,70);
    } else if (seed <=3D 0)
    {
        if (-seed < msg.length)=20
        {
            out+=3Dmsg.substring(-seed,msg.length);
            seed--;
            var cmd=3D"scroll(" + seed + ")";
            window.status=3Dout;
            timerTwo=3Dwindow.setTimeout(cmd,70);
        }
        else=20
        {
             window.status=3D" ";
             timerTwo=3Dwindow.setTimeout("scroll(70)",70);
        }
    }
}
timerONE=3Dwindow.setTimeout('scroll(70)',70);

------=_NextPart_000_0009_01C52EE9.67F45290--
12

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