/*?
用途:检查输入的Email信箱格式是否正确?
输入:strEmail:字符串?
返回:如果通过验证返回true,否则返回false?
*/
function checkEmail(strEmail)?
{
????//var emailReg = /^[_a-z0-9][email protected]([_a-z0-9]+.)+[a-z0-9]{2,3}$/;?
????var emailReg = /^[w-]+(.[w-]+)*@[w-]+(.[w-]+)+$/;
????if ( emailReg.test(strEmail) ) {
????????return true;
????}
????else {
????????alert("您输入的Email地址格式不正确!");
????????return false;
????}
};
??
/*
用途:校验ip地址的格式?
输入:strIP:ip地址?
返回:如果通过验证返回true,否则返回false;?
*/
function isIP(strIP)?
{
????if (isNull(strIP)) {
????????return false;
????}
????var re = /^(d+).(d+).(d+).(d+)$/g //匹配IP地址的正则表达式?
????if (re.test(strIP)) {
????????if ( RegExp.$1 < 256 && RegExp.$2 < 256 && RegExp.$3 < 256 && RegExp.$4 < 256) {
????????????return true;
????????}
????}
????return false;
};
??
/*?
用途:检查输入手机号码是否正确?
输入:strMobile:字符串?
返回:如果通过验证返回true,否则返回false?
*/
function checkMobile( strMobile )
{
????var regu = /^[1][3][0-9]{9}$/;
????var re = new RegExp(regu);
????if (re.test(strMobile)) {
????????return true;
????}
????else {
????????return false;
????}
};
??
/*?
用途:检查输入的电话号码格式是否正确?
输入:strPhone:字符串?
返回:如果通过验证返回true,否则返回false?
*/
function checkPhone( strPhone )?
{
????var phoneRegWithArea = /^[0][1-9]{2,3}-[0-9]{5,10}$/;
????var phoneRegNoArea = /^[1-9]{1}[0-9]{5,8}$/;
????var prompt = "您输入的电话号码不正确!" if ( strPhone.length > 9 ) {
????????if ( phoneRegWithArea.test(strPhone) ) {
????????????return true;
????????}
????????else {
????????????alert( prompt );
????????????return false;
????????}
????}
????else {
????????if ( phoneRegNoArea.test( strPhone ) ) {
????????????return true;
????????}
????????else {
????????????alert( prompt );
????????????return false;
????????}
????}
};
??
/*?
用途:检查输入字符串是否为空或者全部都是空格?
输入:str?
返回:如果全是空返回true,否则返回false?
*/
function isNull( str )
{
????if ( str == "" ) {
????????return true;
????}
????var regu = "^[ ]+$";
????var re = new RegExp(regu);
????return re.test(str);
};
??
/*?
用途:检查输入对象的值是否符合整数格式?
输入:str 输入的字符串?
返回:如果通过验证返回true,否则返回false?
*/
function isInteger( str )
{
????var regu = /^[-]{0,1}[0-9]{1,}$/;
????return regu.test(str);
};
??
/*?
用途:检查输入字符串是否符合正整数格式?
输入:s:字符串?
返回:如果通过验证返回true,否则返回false?
*/
function isNumber( s )
{
????var regu = "^[0-9]+$";
????var re = new RegExp(regu);
????if (s.search(re) != - 1) {
????????return true;
????}
????else {
????????return false;
????}
};
??
/*?
用途:检查输入字符串是否是带小数的数字格式,可以是负数?
输入:str:字符串?
返回:如果通过验证返回true,否则返回false?
*/
function isDecimal( str )
{
????if (isInteger(str)) {
????????return true;
????}
????var re = /^[-]{0,1}(d+)[.]+(d+)$/;
????if (re.test(str)) {
????????if (RegExp.$1 == 0 && RegExp.$2 == 0) {
????????????return false;
????????}
????????return true;
????}
????else {
????????return false;
????}
};
??
/*?
用途:检查输入对象的值是否符合端口号格式?
输入:str 输入的字符串?
返回:如果通过验证返回true,否则返回false?
*/
function isPort( str )
{
????return (isNumber(str) && str < 65536);
};
??
/*?
用途:检查输入字符串是否符合金额格式,格式定义为带小数的正数,小数点后最多三位?
输入:s:字符串?
返回:如果通过验证返回true,否则返回false?
*/
function isMoney( s )
{
????var regu = "^[0-9]+[.][0-9]{0,3}$";
????var re = new RegExp(regu);
????if (re.test(s)) {
????????return true;
????}
????else {
????????return false;
????}
};
??
/*?
用途:检查输入字符串是否只由英文字母和数字和下划线组成?
输入:s:字符串?
返回:如果通过验证返回true,否则返回false?
*/
function isNumberOr_Letter( s )
{
????//判断是否是数字或字母?
????var regu = "^[0-9a-zA-Z_]+$";
????var re = new RegExp(regu);
????if (re.test(s)) {
????????return true;
????}
????else {
????????return false;
????}
};
??
/*?
用途:检查输入字符串是否只由英文字母和数字组成?
输入:s:字符串?
返回:如果通过验证返回true,否则返回false?
*/
function isNumberOrLetter( s )
{
????//判断是否是数字或字母?
????var regu = "^[0-9a-zA-Z]+$";
????var re = new RegExp(regu);
????if (re.test(s)) {
????????return true;
????}
????else {
????????return false;
????}
};
??
/*?
用途:检查输入字符串是否只由汉字、字母、数字组成?
输入:s:字符串?
返回:如果通过验证返回true,否则返回false?
*/
function isChinaOrNumbOrLett( s )
{
????//判断是否是汉字、字母、数字组成?
????var regu = "^[0-9a-zA-Zu4e00-u9fa5]+$";
????var re = new RegExp(regu);
????if (re.test(s)) {
????????return true;
????}
????else {
????????return false;
????}
};
??
/*?
用途:判断是否是日期?
输入:date:日期;fmt:日期格式?
返回:如果通过验证返回true,否则返回false?
*/
function isDate( date, fmt )?
{
????if (fmt == null) {
????????fmt = "yyyyMMdd";
????}
????var yIndex = fmt.indexOf("yyyy");
????if (yIndex ==- 1) {
????????return false;
????}
????var year = date.substring(yIndex, yIndex + 4);
????var mIndex = fmt.indexOf("MM");
????if (mIndex ==- 1) {
????????return false;
????}
????var month = date.substring(mIndex, mIndex + 2);
????var dIndex = fmt.indexOf("dd");
????if (dIndex ==- 1) {
????????return false;
????}
????var day = date.substring(dIndex, dIndex + 2);
????if (!isNumber(year) || year > "2100" || year < "1900") {
????????return false;
????}
????if (!isNumber(month) || month > "12" || month < "01") {
????????return false;
????}
????if (day > getMaxDay(year, month) || day < "01") {
????????return false;
????}
????return true;
};
function getMaxDay(year, month)?
{
????if (month == 4 || month == 6 || month == 9 || month == 11) {
????????return "30";
????}
????if (month == 2) {
????????if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) {
????????????return "29";
????????}
????????else {
????????????return "28";
????????}
????????return "31";;
????}
};
??
/*?
用途:字符1是否以字符串2结束?
输入:str1:字符串;str2:被包含的字符串?
返回:如果通过验证返回true,否则返回false?
*/
function isLastMatch(str1, str2)?
{
????var index = str1.lastIndexOf(str2);
????if (str1.length == index + str2.length) {
????????return true;
????}
????return false;
};
??
/*?
用途:字符1是否以字符串2开始?
输入:str1:字符串;str2:被包含的字符串?
返回:如果通过验证返回true,否则返回false?
*/
function isFirstMatch(str1, str2)?
{
????var index = str1.indexOf(str2);
????if (index == 0) {
????????return true;
????}
????return false;
};
??
/*?
用途:字符1是包含字符串2?
输入:str1:字符串;str2:被包含的字符串?
返回:如果通过验证返回true,否则返回false?
*/
function isMatch(str1, str2)?
{
????var index = str1.indexOf(str2);
????if (index ==- 1) {
????????return false;
????}
????return true;
};
??
/*?
用途:检查输入的起止日期是否正确,规则为两个日期的格式正确,且结束如期>=起始日期?
输入:startDate:起始日期,字符串; endDate:结束如期,字符串?
返回:如果通过验证返回true,否则返回false?
*/
function checkTwoDate( startDate, endDate )?
{
????if ( !isDate(startDate) ) {
????????alert("起始日期不正确!");
????????return false;
????}
????else if ( !isDate(endDate) ) {
????????alert("终止日期不正确!");
????????return false;
????}
????else if ( startDate > endDate ) {
????????alert("起始日期不能大于终止日期!");
????????return false;
????}
????return true;
};
??
/*?
用途:检查复选框被选中的数目?
输入:checkboxID:字符串?
返回:返回该复选框中被选中的数目?
*/
function checkSelect( checkboxID )?
{
????var check = 0;
????var i = 0;
????if ( document.all(checkboxID).length > 0 )?
????{
????????for ( i = 0; i < document.all(checkboxID).length; i++ ) {
????????????if ( document.all(checkboxID).item( i ).checked ) {
????????????????check += 1;
????????????}
????????}
????}
????else {
????????if ( document.all(checkboxID).checked ) {
????????????check = 1;
????????}
????}
????return check;
}
function getTotalBytes(varField)?
{
????if (varField == null) {
????????return - 1;
????}
????var totalCount = 0;
????for (i = 0; i < varField.value.length; i++) {
????????if (varField.value.charCodeAt(i) > 127) {
????????????totalCount += 2;
????????}
????????else {
????????????totalCount++ ;
????????}
????}
????return totalCount;
}
function getFirstSelectedValue( checkboxID )
{
????var value = null;
????var i = 0;
????if ( document.all(checkboxID).length > 0 )
????{
????????for ( i = 0; i < document.all(checkboxID).length; i++ )
????????{
????????????if ( document.all(checkboxID).item( i ).checked ) {
????????????????value = document.all(checkboxID).item(i).value;
????????????????break;
????????????}
????????}
????}
????else {
????????if ( document.all(checkboxID).checked ) {
????????????value = document.all(checkboxID).value;
????????}
????}
????return value;
}
function getFirstSelectedIndex( checkboxID )
{
????var value = - 2;
????var i = 0;
????if ( document.all(checkboxID).length > 0 )
????{
????????for ( i = 0; i < document.all(checkboxID).length; i++ ) {
????????????if ( document.all(checkboxID).item( i ).checked ) {
????????????????value = i;
????????????????break;
????????????}
????????}
????}
????else {
????????if ( document.all(checkboxID).checked ) {
????????????value = - 1;
????????}
????}
????return value;
}
function selectAll( checkboxID, status )
{
????if ( document.all(checkboxID) == null) {
????????return;
????}
????if ( document.all(checkboxID).length > 0 )
????{
????????for ( i = 0; i < document.all(checkboxID).length; i++ ) {
????????????document.all(checkboxID).item( i ).checked = status;
????????}
????}
????else {
????????document.all(checkboxID).checked = status;
????}
}
function selectInverse( checkboxID )?
{
????if ( document.all(checkboxID) == null) {
????????return;
????}
????if ( document.all(checkboxID).length > 0 )?
????{
????????for ( i = 0; i < document.all(checkboxID).length; i++ )?
????????{
????????????document.all(checkboxID).item( i ).checked = !document.all(checkboxID).item( i ).checked;
????????}
????}
????else {
????????document.all(checkboxID).checked = !document.all(checkboxID).checked;
????}
}
function checkDate( value )?
{
????if (value == '') {
????????return true;
????}
????if (value.length != 8 || !isNumber(value)) {
????????return false;
????}
????var year = value.substring(0, 4);
????if (year > "2100" || year < "1900") {
????????return false;
????}
????var month = value.substring(4, 6);
????if (month > "12" || month < "01") {
????????return false;
????}
????var day = value.substring(6, 8);
????if (day > getMaxDay(year, month) || day < "01") {
????????return false;
????}
????return true;
};
??
/*?
用途:检查输入的起止日期是否正确,规则为两个日期的格式正确或都为空且结束日期>=起始日期?
输入:startDate:起始日期,字符串; endDate: 结束日期,字符串?
返回:如果通过验证返回true,否则返回false?
*/
function checkPeriod( startDate, endDate )?
{
????if ( !checkDate(startDate) ) {
????????alert("起始日期不正确!");
????????return false;
????}
????else if ( !checkDate(endDate) ) {
????????alert("终止日期不正确!");
????????return false;
????}
????else if ( startDate > endDate ) {
????????alert("起始日期不能大于终止日期!");
????????return false;
????}
????return true;
};
??
/*?
用途:检查证券代码是否正确?
输入:secCode:证券代码?
返回:如果通过验证返回true,否则返回false?
*/
function checkSecCode( secCode )?
{
????if ( secCode.length != 6 ) {
????????alert("证券代码长度应该为6位");
????????return false;
????}
????if (!isNumber( secCode ) ) {
????????alert("证券代码只能包含数字");
????????return false;
????}
????return true;
};
??
/*
function:cTrim(sInputString,iType)?
description:字符串去空格的函数?
parameters:iType:1=去掉字符串左边的空格;2=去掉字符串左边的空格;0=去掉字符串左边和右边的空格?
return value:去掉空格的字符串?
*/
function cTrim(sInputString, iType)?
{
????var sTmpStr = ' ';
????var i = - 1;
????if (iType == 0 || iType == 1)?
????{
????????while (sTmpStr == ' ') {
????????????++i;
????????????sTmpStr = sInputString.substr(i, 1);
????????}
????????sInputString = sInputString.substring(i);
????}
????if (iType == 0 || iType == 2)?
????{
????????sTmpStr = ' ';
????????i = sInputString.length;
????????while (sTmpStr == ' ') {
????????????--i;
????????????sTmpStr = sInputString.substr(i, 1);
????????}
????????sInputString = sInputString.substring(0, i + 1);
????}
????return sInputString;
};