一个注册表单验证的js
这个脚本对你可能有帮助：,wVT2u9zR lx$e<script language="javascript">
function IsDigit(cCheck) qR A v nW la
{ 3l"u'f4_ S
return (('0'<=cCheck) && (cCheck<='9')); ,L4X(c9]3s;| Z
} O7U-\ |o#Br_
-ka2v0b1K%]%o/Ms
function IsAlpha(cCheck)
{
return ((('a'<=cCheck) && (cCheck<='z')) || (('A'<=cCheck) && (cCheck<='Z')))
}
A5@Oh-j S9P
function IsaNull(cCheck) n av ^&f6^j
{
return(cCheck != " ")
} 9m+E$fNF `
ic N;b7b y
function checkform() c&xn._1i1A
{
id = document.sform1.id.value;
if (id == "") +}:wQ9x"Qa:U&E
{ :X}2P-E fo:c p _
alert("请输入注册名");
document.sform1.id.focus();
return false; y!F V3^ e5A,Y$q SsR
}
for (nIndex=0; nIndex<id.length; nIndex++) @ jY)` b!f2u;xo
{
cCheck = id.charAt(nIndex); AA!ND!W-rQ
if (!(IsDigit(cCheck) || IsAlpha(cCheck) || cCheck=='-' || cCheck=='_' || cCheck=='.'))
{
alert("用户名只能使用字母、数字以及-、_和.，并且不能使用中文");
document.sform1.id.focus();
return false;
} U:x v g2s#ar"e"g
} N/Q`(O0B
chineseid = document.sform1.chineseid.value; ~[ C(b,?+O4[0\
if (chineseid == "") G s$P OF$K `
{ To |a8n!v
alert("请输入中文昵称"); )Y EF}+q X/G"{)e
document.sform1.chineseid.focus();
return false;
}
password = document.sform1.password.value;
if (password == "")
{
alert("请输入登陆密码"); ~nk Q d/a
document.sform1.password.focus();
return false;
} 4s `'s%?)A l y%U Q
password1 = document.sform1.password1.value;
if (password>password1) 4m%J,P mX O7V
{
alert("重复密码与登陆密码不相同"); :^:zp'o)e
document.sform1.password.focus(); m-{&G }/N9E!`$^^
document.sform1.password1.focus();
return false;#O lZ"f"i$E
} z#] iC Q,hA {,ZD
if (password<password1)
{j7],P~-It,]
alert("重复密码与登陆密码不相同");
document.sform1.password.focus(); %yD)p L)Qq`.s
document.sform1.password1.focus();
return false;
} I2ib(o _ Q
if (document.sform1.email.value == "")
{ ,u"B^/a \:{
alert("请输入您的E-MAIL地址");
document.sform1.email.focus(); 3~)d IX jd \G
return false; zQ%CfRB:D.L
} ;H#C,yS{ ` |}'h s"e
email=document.sform1.email.value;
emailerr=0 B3Q q.g(c atwi}S
for (i=0; i<email.length; i++) :n1j^ v{/UG
{ W Uu*["E$NV ]RED
if ((email.charAt(i) == "@") & (email.length > 5))
{
emailerr=emailerr+1 .g Nh [)Y[)q~
} N{ {yq
} sKY b v
if (emailerr != 1) R(E C7{b?
{ `"N?$G5u/J
alert("请输入正确的E-MAIL地址"); ]-N}:~:szC
document.sform1.email.focus();
return false; )bG j,xs~
} {U'X$`+^+vY"l S
if (document.sform1.checkask.value=="") ~6Tu ^_k6|*Xwr
{
alert("密码提示问题不能为空"); "t&Q!E#z-^ ^
document.sform1.checkask.focus();
return false; G |!| Fx w3s.u
}
if (document.sform1.checkans.value=="") M V!~z[ d(qS
{ x:y4VOH/l
alert("您的密码提示问题答案不能为空");
document.sform1.checkans.focus();
return false;
}CVk |;{
return true;
!])B7Gw&V%@
} yE\,t`{C-E
</script>
页:
[1]
