标签:exec 正整数 eal location font int hand div dig
//校验是否全由数字组成
function
isDigit(s)
{
var
patrn=/^[0-9]{1,20}$/;
if
(!patrn.exec(s))
return
false
return
true
}
//校验登录名:只能输入5-20个以字母开头、可带数字、“_”、“.”的字串
function
isRegisterUserName(s)
{
var
patrn=/^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/;
if
(!patrn.exec(s))
return
false
return
true
}
//校验用户姓名:只能输入1-30个以字母开头的字串
function
isTrueName(s)
{
var
patrn=/^[a-zA-Z]{1,30}$/;
if
(!patrn.exec(s))
return
false
return
true
}
//校验密码:只能输入6-20个字母、数字、下划线
function
isPasswd(s)
{
var
patrn=/^(\w){6,20}$/;
if
(!patrn.exec(s))
return
false
return
true
}
//校验普通电话、传真号码:可以“+”开头,除数字外,可含有“-”
function
isTel(s)
{
//var patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?(\d){1,12})+$/;
var
patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/;
if
(!patrn.exec(s))
return
false
return
true
}
//校验手机号码:必须以数字开头,除数字外,可含有“-”
function
isMobil(s)
{
var
patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/;
if
(!patrn.exec(s))
return
false
return
true
}
//校验邮政编码
function
isPostalCode(s)
{
//var patrn=/^[a-zA-Z0-9]{3,12}$/;
var
patrn=/^[a-zA-Z0-9 ]{3,12}$/;
if
(!patrn.exec(s))
return
false
return
true
}
//校验搜索关键字
function
isSearch(s)
{
var
patrn=/^[^`~!@
#$%^&*()+=|\\\][\]\{\}:;\‘\,.<>/?]{1}[^`~!@$%^&()+=|\\\][\]\{\}:;\‘\,.<>?]{0,19}$/;
if
(!patrn.exec(s))
return
false
return
true
}
function
isIP(s)
//by zergling
{
var
patrn=/^[0-9.]{1,20}$/;
if
(!patrn.exec(s))
return
false
return
true
}
* FUNCTION: isBetween
* PARAMETERS: val AS any value
* lo AS Lower limit to check
* hi AS Higher limit to check
* CALLS: NOTHING
* RETURNS: TRUE if val is between lo and hi both inclusive, otherwise false.
function
isBetween (val, lo, hi) {
if
((val < lo) || (val > hi)) {
return
(
false
); }
else
{
return
(
true
); }
}
* FUNCTION: isDate checks a valid date
* PARAMETERS: theStr AS String
* CALLS: isBetween, isInt
* RETURNS: TRUE if theStr is a valid date otherwise false.
function
isDate (theStr) {
var
the1st = theStr.indexOf(‘-
‘);
var the2nd = theStr.lastIndexOf(‘
-
‘);
if (the1st == the2nd) { return(false); }
else {
var y = theStr.substring(0,the1st);
var m = theStr.substring(the1st+1,the2nd);
var d = theStr.substring(the2nd+1,theStr.length);
var maxDays = 31;
if (isInt(m)==false || isInt(d)==false || isInt(y)==false) {
return(false); }
else if (y.length < 4) { return(false); }
else if (!isBetween (m, 1, 12)) { return(false); }
else if (m==4 || m==6 || m==9 || m==11) maxDays = 30;
else if (m==2) {
if (y % 4 > 0) maxDays = 28;
else if (y % 100 == 0 && y % 400 > 0) maxDays = 28;
else maxDays = 29;
}
if (isBetween(d, 1, maxDays) == false) { return(false); }
else { return(true); }
}
}
* FUNCTION: isEuDate checks a valid date in British format
* PARAMETERS: theStr AS String
* CALLS: isBetween, isInt
* RETURNS: TRUE if theStr is a valid date otherwise false.
function isEuDate (theStr) {
if (isBetween(theStr.length, 8, 10) == false) { return(false); }
else {
var the1st = theStr.indexOf(‘
/
‘);
var the2nd = theStr.lastIndexOf(‘
/
‘);
if (the1st == the2nd) { return(false); }
else {
var m = theStr.substring(the1st+1,the2nd);
var d = theStr.substring(0,the1st);
var y = theStr.substring(the2nd+1,theStr.length);
var maxDays = 31;
if (isInt(m)==false || isInt(d)==false || isInt(y)==false) {
return(false); }
else if (y.length < 4) { return(false); }
else if (isBetween (m, 1, 12) == false) { return(false); }
else if (m==4 || m==6 || m==9 || m==11) maxDays = 30;
else if (m==2) {
if (y % 4 > 0) maxDays = 28;
else if (y % 100 == 0 && y % 400 > 0) maxDays = 28;
else maxDays = 29;
}
if (isBetween(d, 1, maxDays) == false) { return(false); }
else { return(true); }
}
}
}
* FUNCTION: Compare Date! Which is the latest!
* PARAMETERS: lessDate,moreDate AS String
* CALLS: isDate,isBetween
* RETURNS: TRUE if lessDate<moreDate
function isComdate (lessDate , moreDate)
{
if (!isDate(lessDate)) { return(false);}
if (!isDate(moreDate)) { return(false);}
var less1st = lessDate.indexOf(‘
-
‘);
var less2nd = lessDate.lastIndexOf(‘
-
‘);
var more1st = moreDate.indexOf(‘
-
‘);
var more2nd = moreDate.lastIndexOf(‘
-
‘);
var lessy = lessDate.substring(0,less1st);
var lessm = lessDate.substring(less1st+1,less2nd);
var lessd = lessDate.substring(less2nd+1,lessDate.length);
var morey = moreDate.substring(0,more1st);
var morem = moreDate.substring(more1st+1,more2nd);
var mored = moreDate.substring(more2nd+1,moreDate.length);
var Date1 = new Date(lessy,lessm,lessd);
var Date2 = new Date(morey,morem,mored);
if (Date1>Date2) { return(false);}
return(true);
}
* FUNCTION isEmpty checks if the parameter is empty or null
* PARAMETER str AS String
function isEmpty (str) {
if ((str==null)||(str.length==0)) return true;
else return(false);
}
* FUNCTION: isInt
* PARAMETER: theStr AS String
* RETURNS: TRUE if the passed parameter is an integer, otherwise FALSE
* CALLS: isDigit
function isInt (theStr) {
var flag = true;
if (isEmpty(theStr)) { flag=false; }
else
{ for (var i=0; i<theStr.length; i++) {
if (isDigit(theStr.substring(i,i+1)) == false) {
flag = false; break;
}
}
}
return(flag);
}
* FUNCTION: isReal
* PARAMETER: heStr AS String
decLen AS Integer (how many digits after period)
* RETURNS: TRUE if theStr is a float, otherwise FALSE
* CALLS: isInt
function isReal (theStr, decLen) {
var dot1st = theStr.indexOf(‘
.
‘);
var dot2nd = theStr.lastIndexOf(‘
.
‘);
var OK = true;
if (isEmpty(theStr)) return false;
if (dot1st == -1) {
if (!isInt(theStr)) return(false);
else return(true);
}
else if (dot1st != dot2nd) return (false);
else if (dot1st==0) return (false);
else {
var intPart = theStr.substring(0, dot1st);
var decPart = theStr.substring(dot2nd+1);
if (decPart.length > decLen) return(false);
else if (!isInt(intPart) || !isInt(decPart)) return (false);
else if (isEmpty(decPart)) return (false);
else return(true);
}
}
* FUNCTION: isEmail
* PARAMETER: String (Email Address)
* RETURNS: TRUE if the String is a valid Email address
* FALSE if the passed string is not a valid Email Address
* EMAIL FORMAT: AnyName@EmailServer e.g; webmaster@hotmail.com
* @ sign can appear only once in the email address.
function isEmail (theStr) {
var atIndex = theStr.indexOf(‘
@
‘);
var dotIndex = theStr.indexOf(‘
.
‘, atIndex);
var flag = true;
theSub = theStr.substring(0, dotIndex+1)
if ((atIndex < 1)||(atIndex != theStr.lastIndexOf(‘
@‘))||(dotIndex < atIndex + 2)||(theStr.length <= theSub.length))
{
return
(
false
); }
else
{
return
(
true
); }
}
* FUNCTION: newWindow
* PARAMETERS: doc -> Document to open in the new window
hite -> Height of the new window
wide -> Width of the new window
bars -> 1-Scroll bars = YES 0-Scroll Bars = NO
resize -> 1-Resizable = YES 0-Resizable = NO
* CALLS: NONE
* RETURNS: New window instance
function
newWindow (doc, hite, wide, bars, resize) {
var
winNew=
"_blank"
;
var
opt=
"toolbar=0,location=0,directories=0,status=0,menubar=0,"
;
opt+=(
"scrollbars="
+bars+
","
);
opt+=(
"resizable="
+resize+
","
);
opt+=(
"width="
+wide+
","
);
opt+=(
"height="
+hite);
winHandle=window.open(doc,winNew,opt);
return
;
}
* FUNCTION: DecimalFormat
* PARAMETERS: paramValue -> Field value
* CALLS: NONE
* RETURNS: Formated string
function
DecimalFormat (paramValue) {
var
intPart = parseInt(paramValue);
var
decPart =parseFloat(paramValue) - intPart;
str =
""
;
if
((decPart == 0) || (decPart ==
null
)) str += (intPart +
".00"
);
else
str += (intPart + decPart);
return
(str);
}
标签:exec 正整数 eal location font int hand div dig
原文地址:http://www.cnblogs.com/jly144000/p/7277114.html