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这个脚本对你可能有帮助：
7 v& w( a. a% X2 ?<script language="javascript"> / u' ?5 g+ H9 B( l
function IsDigit(cCheck)
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return (('0'<=cCheck) && (cCheck<='9'));
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function IsAlpha(cCheck)
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return ((('a'<=cCheck) && (cCheck<='z')) || (('A'<=cCheck) && (cCheck<='Z'))) - N! ]' j; y& L1 t) _6 K; ]
}
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function IsaNull(cCheck)
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return(cCheck != " ") & _! b3 @4 j7 q, T) a, \+ {
}
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function checkform() 1 t; S7 `$ f* O9 y
{
6 x! r& }8 \ c! o" r- x: C id = document.sform1.id.value; - j- y( p. G$ @% i! A2 F" ^
if (id == "")
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alert("请输入注册名"); ; B% I0 z# C/ F6 X; w
document.sform1.id.focus();
- U% Y- e- X- F1 x! S return false; 6 h" x9 {; F! K) O
} 2 @1 a7 A* c' L; Q
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for (nIndex=0; nIndex<id.length; nIndex++)
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cCheck = id.charAt(nIndex);
* E' _2 Y( N8 K if (!(IsDigit(cCheck) || IsAlpha(cCheck) || cCheck=='-' || cCheck=='_' || cCheck=='.')) & s4 s, _% K9 a# o4 p
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alert("用户名只能使用字母、数字以及-、_和.，并且不能使用中文"); : Z( h$ A. z% e I; L
document.sform1.id.focus();
) A$ Z0 B) w: {. K/ b1 F" z return false;
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} ' E7 x# E) T( u+ Y1 k p$ |0 z+ G
chineseid = document.sform1.chineseid.value;
* |# E4 W3 \9 ?1 n; b if (chineseid == "")
7 Y+ K1 m9 f) B! Z7 u) D {
( O+ i. ^% Y# `: S# G' A alert("请输入中文昵称"); , R8 d* |* E0 r
document.sform1.chineseid.focus(); ; I$ J( z1 {2 F: r
return false;
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password = document.sform1.password.value;
& f7 u# h/ t, J, X+ |1 \4 ` if (password == "") 1 i/ ^( w! J* D2 M* @9 V( x
{ ; F8 [6 ^7 J, y! o
alert("请输入登陆密码"); , Q$ h+ Q! `: [, w5 r3 ?
document.sform1.password.focus();
% _; N6 f$ c3 T- U return false;
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password1 = document.sform1.password1.value;
* Z$ p6 w+ |; P4 t. e" a if (password>password1)
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alert("重复密码与登陆密码不相同");
- C2 A9 |: b ^! M/ V document.sform1.password.focus(); * w' O- _. p1 ?# s
document.sform1.password1.focus(); 4 H" ]6 \5 }( K+ N) v* t
return false;* K3 u3 M) S$ Z
}
( M+ x4 ~% s2 u0 _9 p7 p- @% r: fif (password<password1)
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+ y" J1 H3 [1 { alert("重复密码与登陆密码不相同"); ; k* [: d& k$ s! S+ d9 X
document.sform1.password.focus(); . p/ d) \# D# | |& n
document.sform1.password1.focus(); $ Q' c, F, Z6 } t
return false;# k7 h6 z& q: W* w4 o" N9 w9 p
} / V; V4 g! T- n: ?7 e
if (document.sform1.email.value == "")
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9 t3 \: \7 |6 I( M alert("请输入您的E-MAIL地址"); 0 c4 y9 o! w2 z1 e& V
document.sform1.email.focus();
& h4 a, ^0 u0 P' q: y return false; ) O+ {" ?$ @. y n
} " _) o+ W4 T2 R- {3 C% f2 a. w9 e
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email=document.sform1.email.value; + @7 ]" `& G; J) V* E
emailerr=0
/ Z" }5 Q" D/ L& D for (i=0; i<email.length; i++) ' y2 I! e- @& u9 m, m: K! n
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if ((email.charAt(i) == "@") & (email.length > 5))
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emailerr=emailerr+1
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} 8 H+ ~/ N" m Z& }9 S
if (emailerr != 1) " ?8 { P2 P' W, e
{
1 r7 j( z3 m" a! l6 h2 z alert("请输入正确的E-MAIL地址"); + O$ E# P: ~! T9 ]
document.sform1.email.focus(); % a# ^+ _ J9 U7 @; j! ~. ~
return false;
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3 v% Z5 E3 d- r0 K if (document.sform1.checkask.value=="")
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alert("密码提示问题不能为空"); # _% \9 ^3 r: ]: r5 B
document.sform1.checkask.focus();
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if (document.sform1.checkans.value=="")
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# E! G5 Y3 p0 n- L alert("您的密码提示问题答案不能为空"); 8 i' p- p1 R& B9 u% |
document.sform1.checkans.focus(); 3 r4 k/ [' }$ c; ]: j
return false; : c% t/ G. R2 ^, e- B; p
}
# |5 D% U& Q/ l. {3 s! i$ D return true;
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</script> |
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发表于 2008-1-19 23:39
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