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JS表單驗(yàn)證的代碼(常用)

 更新時(shí)間：2016年04月08日 08:56:50   作者：jerrylsxu  
最近沒(méi)有項(xiàng)目做，有點(diǎn)空余時(shí)間，小編把日常比較常用的js表單驗(yàn)證代碼整理分享到腳本之家平臺(tái)，供大家學(xué)習(xí)，需要的朋友參考下吧

最近沒(méi)有項(xiàng)目做，有點(diǎn)空余時(shí)間，小編把日常比較常用的js表單驗(yàn)證代碼整理分享到腳本之家平臺(tái)，供大家學(xué)習(xí)，需要的朋友參考下吧！

注冊(cè)驗(yàn)證：

<script language="JavaScript" src="js/jquery-1.9.1.min.js" type="text/javascript"></script>
//驗(yàn)證表單
function vailForm(){
var form = jQuery("#editForm");
if(!vailNickName())return;
if(!vailPhone())return;
if(!vailPwd())return;
if(!vailConfirmPwd())return;
if(!vailEmail())return;
if(!vailCode())return;
if(!vailAgree())return;
form.submit();
}
//驗(yàn)證昵稱(chēng)
function vailNickName(){
var nickName = jQuery("#nickName").val();
var flag = false;
var message = "";
var patrn=/^\d+$/;
var length = getNickNameLength();
if(nickName == ''){
message = "昵稱(chēng)不能為空！";
}else if(length<4||length>16){
message = "昵稱(chēng)為4-16個(gè)字符！";
} else if(checkNickNameIsExist()){
message = "該昵稱(chēng)已經(jīng)存在，請(qǐng)重新輸入！";
}else{
flag = true;
}
if(!flag){
jQuery("#nickNameDiv").removeClass().addClass("ui-form-item has-error");
jQuery("#nickNameP").html("");
jQuery("#nickNameP").html("<i class=\"icon-error ui-margin-right10\">&nbsp;<\/i>"+message);
//jQuery("#nickName").focus();
}else{
jQuery("#nickNameDiv").removeClass().addClass("ui-form-item has-success");
jQuery("#nickNameP").html("");
jQuery("#nickNameP").html("<i class=\"icon-success ui-margin-right10\">&nbsp;<\/i>該昵稱(chēng)可用");
}
return flag;
}
//計(jì)算昵稱(chēng)長(zhǎng)度
function getNickNameLength(){
var nickName = jQuery("#nickName").val();
var len = 0;
for (var i = 0; i < nickName.length; i++) {
var a = nickName.charAt(i);
　　　　　　//函數(shù)格式：stringObj.match(rgExp) stringObj為字符串必選 rgExp為正則表達(dá)式必選項(xiàng)
　　　　　　//返回值：如果能匹配則返回結(jié)果數(shù)組，如果不能匹配返回null
if (a.match(/[^\x00-\xff]/ig) != null){
len += 2;
}else{
len += 1;
}
}
return len;
}
//驗(yàn)證昵稱(chēng)是否存在
function checkNickNameIsExist(){
var nickName = jQuery("#nickName").val();
var flag = false;
jQuery.ajax(
{ url: "checkNickName?t=" + (new Date()).getTime(),
data:{nickName:nickName},
dataType:"json",
type:"GET",
async:false,
success:function(data) {
var status = data.status;
if(status == "1"){
flag = true;
}
}
});
return flag;
}
//驗(yàn)證手機(jī)號(hào)
function vailPhone(){
var phone = jQuery("#phone").val();
var flag = false;
var message = "";
//var myreg = /^(((13[0-9]{1})|159|153)+\d{8})$/;
var myreg = /^(((13[0-9]{1})|(14[0-9]{1})|(17[0-9]{1})|(15[0-3]{1})|(15[5-9]{1})|(18[0-3]{1})|(18[5-9]{1}))+\d{8})$/;
if(phone == ''){
message = "手機(jī)號(hào)碼不能為空！";
}else if(phone.length !=11){
message = "請(qǐng)輸入有效的手機(jī)號(hào)碼！";
}else if(!myreg.test(phone)){
message = "請(qǐng)輸入有效的手機(jī)號(hào)碼！";
}else if(checkPhoneIsExist()){
message = "該手機(jī)號(hào)碼已經(jīng)被綁定！";
}else{
flag = true;
}
if(!flag){
jQuery("#phoneDiv").removeClass().addClass("ui-form-item has-error");
jQuery("#phoneP").html("");
jQuery("#phoneP").html("<i class=\"icon-error ui-margin-right10\">&nbsp;<\/i>"+message);
//jQuery("#phone").focus();
}else{
jQuery("#phoneDiv").removeClass().addClass("ui-form-item has-success");
jQuery("#phoneP").html("");
jQuery("#phoneP").html("<i class=\"icon-success ui-margin-right10\">&nbsp;<\/i>該手機(jī)號(hào)碼可用");
}
return flag;
}
//驗(yàn)證手機(jī)號(hào)是否存在
function checkPhoneIsExist(){
var phone = jQuery("#phone").val();
var flag = true;
jQuery.ajax(
{ url: "checkPhone?t=" + (new Date()).getTime(),
data:{phone:phone},
dataType:"json",
type:"GET",
async:false,
success:function(data) {
var status = data.status;
if(status == "0"){
flag = false;
}
}
});
return flag;
}
//驗(yàn)證密碼
function vailPwd(){
var password = jQuery("#password").val();
var flag = false;
var message = "";
var patrn=/^\d+$/;
if(password ==''){
message = "密碼不能為空！";
}else if(password.length<6 || password.length>16){
message = "密碼6-16位！";
}else if(patrn.test(password)){
message = "密碼不能全是數(shù)字！";
}else{
flag = true;
}
if(!flag){
jQuery("#passwordDiv").removeClass().addClass("ui-form-item has-error");
jQuery("#passwordP").html("");
jQuery("#passwordP").html("<i class=\"icon-error ui-margin-right10\">&nbsp;<\/i>"+message);
//jQuery("#password").focus();
}else{
jQuery("#passwordDiv").removeClass().addClass("ui-form-item has-success");
jQuery("#passwordP").html("");
jQuery("#passwordP").html("<i class=\"icon-success ui-margin-right10\">&nbsp;<\/i>該密碼可用");
}
return flag;
}
//驗(yàn)證確認(rèn)密碼
function vailConfirmPwd(){
var confirmPassword = jQuery("#confirm_password").val();
var patrn=/^\d+$/;
var password = jQuery("#password").val();
var flag = false;
var message = "";
if(confirmPassword == ''){
message = "請(qǐng)輸入確認(rèn)密碼！";
}else if(confirmPassword != password){
message = "二次密碼輸入不一致，請(qǐng)重新輸入！";
}else if(patrn.test(password)){
message = "密碼不能全是數(shù)字！";
}else {
flag = true;
}
if(!flag){
jQuery("#confirmPasswordDiv").removeClass().addClass("ui-form-item has-error");
jQuery("#confirmPasswordP").html("");
jQuery("#confirmPasswordP").html("<i class=\"icon-error ui-margin-right10\">&nbsp;<\/i>"+message);
//jQuery("#confirm_password").focus();
}else{
jQuery("#confirmPasswordDiv").removeClass().addClass("ui-form-item has-success");
jQuery("#confirmPasswordP").html("");
jQuery("#confirmPasswordP").html("<i class=\"icon-success ui-margin-right10\">&nbsp;<\/i>密碼正確");
}
return flag;
}
//驗(yàn)證郵箱
function vailEmail(){
var email = jQuery("#email").val();
var flag = false;
var message = "";
var myreg = /^([\.a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/; 
if(email ==''){
message = "郵箱不能為空！";
}else if(!myreg.test(email)){
message = "請(qǐng)輸入有效的郵箱地址！";
}else if(checkEmailIsExist()){
message = "該郵箱地址已經(jīng)被注冊(cè)！";
}else{
flag = true;
}
if(!flag){
jQuery("#emailDiv").removeClass().addClass("ui-form-item has-error");
jQuery("#emailP").html("");
jQuery("#emailP").html("<i class=\"icon-error ui-margin-right10\">&nbsp;<\/i>"+message);
//jQuery("#email").focus();
}else{
jQuery("#emailDiv").removeClass().addClass("ui-form-item has-success");
jQuery("#emailP").html("");
jQuery("#emailP").html("<i class=\"icon-success ui-margin-right10\">&nbsp;<\/i>該郵箱可用");
}
return flag;
}
//驗(yàn)證郵箱是否存在
function checkEmailIsExist(){
var email = jQuery("#email").val();
var flag = false;
jQuery.ajax(
{ url: "checkEmail?t=" + (new Date()).getTime(),
data:{email:email},
dataType:"json",
type:"GET",
async:false,
success:function(data) {
var status = data.status;
if(status == "1"){
flag = true;
}
}
});
return flag;
}
//驗(yàn)證驗(yàn)證碼
function vailCode(){
var randCode = jQuery("#randCode").val();
var flag = false;
var message = "";
if(randCode == ''){
message = "請(qǐng)輸入驗(yàn)證碼！";
}else if(!checkCode()){
message = "驗(yàn)證碼不正確！";
}else{
flag = true;
}
if(!flag){
jQuery("#randCodeDiv").removeClass().addClass("ui-form-item has-error");
jQuery("#randCodeP").html("");
jQuery("#randCodeP").html("<i class=\"icon-error ui-margin-right10\">&nbsp;<\/i>"+message);
//jQuery("#randCode").focus();
}else{
jQuery("#randCodeDiv").removeClass().addClass("ui-form-item has-success");
jQuery("#randCodeP").html("");
jQuery("#randCodeP").html("<i class=\"icon-success ui-margin-right10\">&nbsp;<\/i>");
}
return flag;
}
//檢查隨機(jī)驗(yàn)證碼是否正確
function checkCode(){
var randCode = jQuery("#randCode").val();
var flag = false;
jQuery.ajax(
{ url: "checkRandCode?t=" + (new Date()).getTime(),
data:{randCode:randCode},
dataType:"json",
type:"GET",
async:false,
success:function(data) {
var status = data.status;
if(status == "1"){
flag = true;
}
}
});
return flag;
}
//判斷是否選中
function vailAgree(){
if(jQuery("#agree").is(":checked")){
return true;
}else{
alert("請(qǐng)確認(rèn)是否閱讀并同意XX協(xié)議");
}
return false;
}
function delHtmlTag(str){ var str=str.replace(/<\/?[^>]*>/gim,"");//去掉所有的html標(biāo)記 var result=str.replace(/(^\s+)|(\s+$)/g,"");//去掉前后空格 return result.replace(/\s/g,"");//去除文章中間空格}<!DOCTYPE html><html><body><h1>我的第一段 JavaScript</h1><p>請(qǐng)輸入數(shù)字。如果輸入值不是數(shù)字，瀏覽器會(huì)彈出提示框。</p><input id="demo" type="text"><script>function myFunction(){var x=document.getElementById("demo").value;if(x==""){ alert("輸入不能為空"); return;}if(isNaN(x)){ alert("請(qǐng)輸入數(shù)字"); return;}if(x.length!=6){ alert("請(qǐng)輸入6位數(shù)字"); return;}}</script><button type="button" onclick="myFunction()">點(diǎn)擊這里</button></body></html> 
//驗(yàn)證密碼為數(shù)字字母下劃線(xiàn)
function CheckPwd(pwd) {
var validStr = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_~/!@#$%^&*();-+.=,";
for (i = 0; i < pwd.length; i++) {
if (validStr.indexOf(pwd.charAt(i)) == -1) {
return false;
}
}
return true;
}
//驗(yàn)證郵箱格式
function checkemail(email) {
var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
if (!filter.test(email)) {
return false;
}
return true;
}
function isEmail(val) {
return /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_\`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/.test(val);
}
///手機(jī)號(hào)碼驗(yàn)證
function checktelephone(cellPhone) {
var RegCellPhone = /^([0-9]{11})?$/;
falg = cellPhone.search(RegCellPhone);
if (falg == -1) {
return false;
} else {
return true;
}
}
//獲取URL參數(shù)值
function getParameter(param) {
var query = window.location.search;
var iLen = param.length;
var iStart = query.indexOf(param);
if (iStart == -1)
return "";
iStart += iLen + 1;
var iEnd = query.indexOf("&", iStart);
if (iEnd == -1)
return query.substring(iStart);
return query.substring(iStart, iEnd);
}

以上代碼是小編給大家介紹的js表單驗(yàn)證，代碼簡(jiǎn)單易懂，非常實(shí)用，希望對(duì)大家有所幫助，同時(shí)也非常感謝大家對(duì)腳本之家網(wǎng)站的支持！

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