lestday-lab.github.io/restricted-interceptor.html at master · lestday-LAB/lestday-lab.github.io · GitHub

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<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>限制级内容拦截器</title>
  <style>
    .input-date-birthday-class,.btn-submit-class {
      border-radius: 23px;
      border: 1px solid #dfe1e5;
      padding: 6px;
    }
    .ahref-after{
      font-weight: lighter;
      font-size: 68%;
      margin-top: .4rem;
    }
    hr {
      margin: 1em 2em;
      padding: 0;
      height: 1px;
      border: none;
      color: #555545;
      color: #DDD;
      background-color: #AAA;
      background-color: #555545;
    }
    a {text-decoration: none;}
  </style>
</head>
<body style="text-align: center;">
  <noscript>
    你的浏览器可能不支持JavaScript，此程序必须使用JavaScript执行！
  </noscript>
  <input type="date" name="input-date-birthday" id="input-date-birthday" class="input-date-birthday-class" placeholder="请输入出生日期（例如：2000/01/01）">
  <button class="btn-submit-class" onclick="checkAge()">验证</button>
  <br><hr>
  <div class="ahref-after">
    若继续使用则代表你同意相关规则。本程序不会收集任何日志，所有信息亦在本地处理和使用。
  </div>
  <script>
  function getQueryString(linkurl) {
    var query_string = window.location.search;
    if (!query_string) return null; // 如果无参，返回null
    var re = /[?&]?([^=]+)=([^&]*)/g;
    var tokens;
    while (tokens = re.exec(query_string)) {
    if (decodeURIComponent(tokens[1]) === linkurl) {
      return decodeURIComponent(tokens[2]);
    }
  }
    return null;
  }
  var link = getQueryString('linkurl');
    function checkAge() {
  var birthday = document.getElementById("input-date-birthday").value;
  var regExp = /^(\d{4})[\/|-](\d{1,2})[\/|-](\d{1,2})$/;
  if (!regExp.test(birthday)) {
    alert("你输入的出生日期格式不正确，请尝试重新输入。");
    return false;
  }
  var age = getAge(birthday);
  if (isNaN(age)) {
    alert("你输入的出生日期信息无效，请尝试重新输入。");
    return false;
  }
  if (age < 18) {
    alert("你的年龄未满18周岁，无法访问限制级页面。");
    return false;
  }
  window.top.location.href=link+"#u-rated";
  window.parent.location.href=link+"#u-rated";
  window.top.location.replace(link+"#u-rated");
}

function getAge(dateString) {
  var today = new Date();
  var birthDate = new Date(dateString);
  var age = today.getFullYear() - birthDate.getFullYear();
  var m = today.getMonth() - birthDate.getMonth();
  if (m < 0 || (m === 0 && today.getDate() < birthDate.getDate())) {
    age--;
  }
  return age;
}
  </script>
</body>
</html>