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基于Bootstrap 3 JQuery及RegExp的表單驗(yàn)證功能

 更新時(shí)間:2017年02月16日 11:16:45   作者:alenhhy  
這篇文章主要介紹了基于Bootstrap 3 JQuery及RegExp的表單驗(yàn)證功能,非常不錯(cuò),具有參考借鑒價(jià)值,需要的朋友可以參考下

昨天小編在研究regexp,今天小編抽空給大家分享表單驗(yàn)證。

主要功能:

  1. 用戶名必須在5-25個(gè)字符之內(nèi),而且只能使用字母、數(shù)字或下劃線,否則不讓通過。
  2. 密碼必須在5-25個(gè)字符之內(nèi),而且只能使用字母或數(shù)字(大小寫敏感),否則不讓通過。
  3. 根據(jù)不同密碼程度,下面的low、medium和high會(huì)改變背景顏色。
  4. 確認(rèn)密碼就不說啦。
  5. 驗(yàn)證碼只是做了個(gè)樣子,反正就是設(shè)成必須是5個(gè)數(shù)字。
  6. checkbox必須打勾啦,不然不讓通過。
  7. 點(diǎn)擊注冊按鈕,會(huì)有相應(yīng)的提示框(可關(guān)閉)彈出。

HTML:

<body>
 <div class="container">
  <form class="form-horizontal">
   <!--username-->
   <div class="form-group">
    <label class="col-sm-3 control-label">Username</label>
    <div class="col-sm-5 control-div">
     <input type="text" class="form-control input-username" placeholder="Letters, numbers or underline.">
    </div>
    <div class="col-sm-4 control-div">
     <span class="hint hint-username"></span>
    </div>
    <div class="col-sm-offset-3 col-sm-5 count"></div>
   </div>
   <!--pwd-->
   <div class="form-group">
    <label class="col-sm-3 control-label">Password</label>
    <div class="col-sm-5 control-div">
     <input type="password" class="form-control input-pwd" placeholder="Letters or numbers. Case sensitive.">
    </div>
    <div class="col-sm-4 control-div">
     <span class="hint hint-pwd"></span>
    </div>
    <div class="col-sm-offset-3 col-sm-5 control-div pwd-judge">
     <div class="pwd-judge-lv lv-w active">Weak</div>
     <div class="pwd-judge-lv lv-m">Medium</div>
     <div class="pwd-judge-lv lv-h">High</div>
    </div>
   </div>
   <!--confirm pwd-->
   <div class="form-group">
    <label class="col-sm-3 control-label">Confirm Password</label>
    <div class="col-sm-5 control-div">
     <input type="password" class="form-control input-pwd-confirm" placeholder="Confirm Password">
    </div>
    <div class="col-sm-4 control-div">
     <span class="hint hint-pwd-confirm"></span>
    </div>
   </div>
   <!--veri code-->
   <div class="form-group">
    <label class="col-sm-3 control-label">Verification Code</label>
    <div class="col-sm-2 control-div">
     <input type="text" class="form-control input-veri-code" placeholder="Verification Code">
    </div>
    <div class="col-sm-3 control-div veri-code-img">
     <img src='http://i1.piimg.com/583742/0be543234dae3f08.jpg'> &nbsp;&nbsp;
     <i class="fa fa-refresh" aria-hidden="true"></i>
    </div>
    <div class="col-sm-4 control-div">
     <span class="hint hint-veri-code"></span>
    </div>
   </div>
   <!--agreement-->
   <div class="form-group">
    <div class="col-sm-offset-3 col-sm-10 control-div">
     <div class="checkbox">
      <label>
       <input type="checkbox" class="input-checkbox"> I agree with the <a>agreement</a>.
      </label>
     </div>
    </div>
   </div>
   <!--buttons-->
   <div class="form-group">
    <div class="col-sm-offset-3 col-sm-2 control-div">
     <button type="button" class="btn btn-success btn-register">Register</button>
    </div>
   </div>
  </form>
 </div>
 <!--Register Hints-->
 <div class="alert alert-success alert-dismissible register-success" role="alert">
  <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>
  <strong>Register Succeeded.</strong> congratulations!
 </div>
 <div class="alert alert-danger alert-dismissible register-failed" role="alert">
  <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>
  <strong>Register Failed.</strong> Please check the form and try again.
 </div>
 <!--footer-->
 <footer class="text-center">Designed by <a  target="_blank">Alen Hu</a></footer>
</body>

RegExp部分:

判斷用戶名:/^\w{5,25}$/g。

判斷密碼:/^[a-zA-Z0-9]{5,25}$/g。

判斷驗(yàn)證碼:/^\d{5}$/g。

JQuery:

用戶名:

function username() {
 //var
 var username = $(".input-username");
 var usernameVal = username.val();
 var usernameLen = usernameVal.length;
 var usernameCount = $(".count");
 var usernameHint = $(".hint-username");
 var usernameReg = /^\w{5,25}$/g;
 //username length count
 usernameCount.text(usernameLen + " characters");
 //username length judge
 if (usernameReg.test(usernameVal)) {
  usernameHint.html("<i class='fa fa-check' aria-hidden='true'></i>");
  return true;
 } else {
  usernameHint.html("<i class='fa fa-info-circle' aria-hidden='true'></i> From 5 to 25 characters.");
  return false;
 }
}

密碼:

function pwd() {
 //var
 var pwd = $(".input-pwd");
 var pwdVal = pwd.val();
 var pwdLen = pwdVal.length;
 var pwdHint = $(".hint-pwd");
 var pwdReg = /^[a-zA-Z0-9]{5,25}$/g;
 //pwd length judge
 if (pwdReg.test(pwdVal)) {
  //turn to tick
  pwdHint.html("<i class='fa fa-check' aria-hidden='true'></i>");
  //pwd lv bgd color
  if (pwdLen >= 5 && pwdLen <= 10) {
   $(".lv-w").addClass("active");
   $(".lv-w").siblings().removeClass("active");
  } else if (pwdLen >= 11 && pwdLen <= 20) {
   $(".lv-m").addClass("active");
   $(".lv-m").siblings().removeClass("active");
  } else if (pwdLen >= 21 && pwdLen <= 25) {
   $(".lv-h").addClass("active");
   $(".lv-h").siblings().removeClass("active");
  }
  return true;
 } else {
  pwdHint.html("<i class='fa fa-info-circle' aria-hidden='true'></i> From 5 to 25 characters.");
  $(".lv-w").addClass("active");
  $(".lv-w").siblings().removeClass("active");
  return false;
 }
}

確認(rèn)密碼:

function pwdConfirm() {
 //var
 var pwd = $(".input-pwd");
 var pwdVal = pwd.val();
 var pwdConf = $(".input-pwd-confirm");
 var pwdConfVal = pwdConf.val();
 var pwdConfHint = $(".hint-pwd-confirm");
 //pwd confirm judge
 if (pwdVal === pwdConfVal) {
  pwdConfHint.html("<i class='fa fa-check' aria-hidden='true'></i>");
  return true;
 } else {
  pwdConfHint.html("<i class='fa fa-info-circle' aria-hidden='true'></i> Password confirmation.");
  return false;
 }
}

驗(yàn)證碼:

function veriCode() {
 //var
 var veriCode = $(".input-veri-code");
 var veriCodeVal = veriCode.val();
 var veriCodeLen = veriCodeVal.length;
 var veriCodeHint = $(".hint-veri-code");
 var veriCodeReg = /^\d{5}$/g;
 //veri code length judge
 if (veriCodeReg.test(veriCodeVal)) {
  veriCodeHint.html("<i class='fa fa-check' aria-hidden='true'></i>");
  return true;
 } else {
  veriCodeHint.html("<i class='fa fa-info-circle' aria-hidden='true'></i> Please input CAPTCHA code.");
  return false;
 }
}

checkbox:

function checkBox() {
 //var
 var checkBox = $(".input-checkbox");
 //checked
 if (checkBox.is(":checked")) {
  return true;
 } else {
  return false;
 }
}

最終注冊:

function register() {
 //exec checkbox
 checkBox();
 //var
 var successPanel = $(".register-success");
 var failedPanel = $(".register-failed");
 //judge
 if (username() && pwd() && pwdConfirm() && veriCode() && checkBox()) {
  successPanel.fadeIn();
 } else {
  failedPanel.fadeIn();
 }
}

$(document).ready()執(zhí)行:

$(document).ready(function() {
 $(".input-username").keyup(username);
 $(".input-pwd").keyup(pwd);
 $(".input-pwd-confirm").keyup(pwdConfirm);
 $(".input-veri-code").keyup(veriCode);
 $(".btn-register").click(register);
});

效果圖:

1
2 
3 
4

DEMO:

DEMO在這兒,歡迎來FORK:Form Validation by RegExp。

以上所述是小編給大家介紹的基于Bootstrap 3 JQuery及RegExp的表單驗(yàn)證功能,希望對大家有所幫助,如果大家有任何疑問請給我留言,小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對腳本之家網(wǎng)站的支持!

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