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将下面代码复制至欲想呈现的地方：8 P! H4 n: f+ b" g" W# a% d
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<------------ 插入控制码区段开始 ------------>7 R! J& N. z. k- X6 w+ N' N
$ S$ \ T. J) T8 [- l<body>
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<script language="JavaScript">
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<!--" o) q5 J2 m( ?! @! y( I4 I
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var username = GetCookie('username');
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if (username == null)
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username = prompt('请输入您的名字 (若不想输入就按取消)',"");: J2 y" h: |/ e) c1 X+ D
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if (username == null)
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1 B4 e1 D& `4 M6 b) X# N7 S" [alert('看來您不太想让別人知道您的大名！');
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) p9 D1 _# C9 z/ a! busername = '匿名者';
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else
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pathname = location.pathname;. l2 z, P2 L- a j3 `
6 |( f. {9 M, g0 HmyDomain = pathname.substring(0,pathname.lastIndexOf('/')) +'/';2 F2 B% C1 q6 L0 R7 L1 }+ K
& A# w8 W/ j3 \6 ovar largeExpDate = new Date ();7 ?5 E! T1 R7 f) ]5 V
, u1 S) y5 ]! T- d% FlargeExpDate.setTime(largeExpDate.getTime() + (365 * 24 * 3600 * 1000));
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SetCookie('username',username,largeExpDate,myDomain);
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function getCookieVal (offset)
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& u, j$ T! {; mvar endstr = document.cookie.indexOf (";", offset);: D; X4 L: Q1 H/ q: F
- M/ J: O; @8 r3 ]/ @6 }* `* kif (endstr == -1): a. S1 M# {# e+ \
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endstr = document.cookie.length;
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return unescape(document.cookie.substring(offset, endstr));
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# M. @! e* J1 H# d4 J% Mfunction GetCookie (name)
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, N8 |) z# A. R( T; f- Fvar arg = name + "=";
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% F8 \' Z" P/ u: t/ fvar alen = arg.length;
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, u+ q/ n O5 m8 J2 m5 ]0 ^3 }var clen = document.cookie.length;( d K5 X; { Y' u, `' c
: W! ~0 r! W) c0 i: j8 D' Tvar i = 0;
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while (i < clen)" ]1 L5 z6 c& `; {/ |; ~: I1 Z
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1 }+ c) H! D# l( q7 W" [, a7 Ivar j = i + alen;% M- A- Q/ F. }
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if (document.cookie.substring(i, j) == arg)
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return getCookieVal (j);7 {, _. T! L. T3 q
( c/ ]; `+ J& Qi = document.cookie.indexOf(" ", i) + 1;$ k- }( M4 ]' N; h# X
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if (i == 0)
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return null;
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function SetCookie (name, value)5 G& t j3 ?6 P- g0 M& H6 j
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var argv = SetCookie.arguments;/ W* j" L8 q, u5 g
Z) K; _* I$ R. b& j: x- Tvar argc = SetCookie.arguments.length;4 O& q% ]# G; z6 o2 c$ p* i3 K
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var expires = (argc > 2) ? argv[2] : null;
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9 t3 q7 }- d2 B5 p" v1 vvar path = (argc > 3) ? argv[3] : null;* E3 F: O& `0 d6 t6 x5 I6 T( `1 ~
# @1 l1 O* e0 Xvar domain = (argc > 4) ? argv[4] : null;
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' C' c- ~4 c) S5 V% {) b! lvar secure = (argc > 5) ? argv[5] : false;$ S1 l( a* g, K4 S
: \+ |4 h8 h# g4 cdocument.cookie = name + "=" + escape (value) +8 _% c; x, D0 h
1 s/ ?! p2 `- ^1 e+ [* @# {/ { Z((expires == null) ? "" : ("; expires=" +
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expires.toGMTString())) +
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1 L5 H* V/ G. {) _: H((path == null) ? "" : ("; path=" + path)) +9 J6 M& n) ^( F- y' r( [4 F( l' s
9 @7 b5 `% O# h# U0 Y8 Q1 y((domain == null) ? "" : ("; domain=" + domain)) +) g) w5 n3 y/ {* z$ O( A
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((secure == true) ? "; secure" : "");5 y# z% `" {% j' G4 I
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}; |9 _$ W0 P5 P% u, W
5 O& y5 m" u' O. r& B% Mdocument.write('<center>欢迎你來到JAVA特区！'+username+'</center>');
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; j9 L: p. p( K) v5 h5 `</script></p>* q2 g; {$ {( @/ l- l- i* k/ v* G
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<------------ 插入控制码区段结束 ------------>
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