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javascript - JQuery 函数对单选按钮不响应

转载 作者：行者123 更新时间：2023-11-28 12:16:19 27 4
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这对我来说是一个非常棘手的问题(或者我只是彻头彻尾的愚蠢)。尝试使用 JQuery 函数使当用户选择某个单选按钮时，下面的表单相应地发生变化(例如，个人看到姓名、公司、职位、电话、电子邮件和地址。公司只能看到公司、电话、电子邮件和地址。但当​​前单击单选按钮没有任何效果。

我还想问:1) 是我的函数 $('#contactType>input')。在正确的位置(在 内)还是应该在其他地方？2)我可以使用index.js 文件来代替它以使其更容易吗？如果是这样，如何链接index.js？难道只是

干杯。 

$(document).ready(function() {
  listenForInputChanges();
})

function listenForInputChanges() {
  $('#contactType >input').change(function() {
    console.log('val is ' + $(this).val())
    switch ($(this).val()) {
      case 'individual':
        $('#nameDiv').show();
        $('#companyDiv').show();
        $('#titleDiv').show();
        $('#phoneDiv').show();
        $('#emailDiv').show();
        $('#addressDiv').show();
        break;

      case 'team':
        $('#nameDiv').show();
        $('#companyDiv').show();
        $('#titleDiv').hide();
        $('#phoneDiv').show();
        $('#emailDiv').show();
        $('#addressDiv').show();
        break;

      case 'company':
        $('#nameDiv').hide();
        $('#companyDiv').show();
        $('#titleDiv').hide();
        $('#phoneDiv').show();
        $('#emailDiv').show();
        $('#addressDiv').show();
        break;
    }
  })
}
<!DOCTYPE html>
<html>

<head>
  <title>Create new contact</title>
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js">
  </script>


</head>

<body>
  <div class="container">
    <div class="row">
      <form method="post" class="form-horizontal col-md-6 col-md-offset-3">
        <h2>Motoko Insurance Contacts</h2>


        <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js">
        </script>
        <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" />

        <div class="form-group">
          <label for="input" class="col-sm-6 control-label">What type of contact are you adding?</label>
          <div id="contactType" class="col-sm-10">
            <input type="radio" name="Contact_type" value="individual"> Individual
            <input type="radio" name="Contact_type" value="team"> Team
            <input type="radio" name="Contact_type" value="company"> Company</div>
        </div>


        <div id="nameDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">Name</label>
          <div class="col-sm-10">
            <input type="text" name="name" class="form-control" id="input1" placeholder="Name" />
          </div>
        </div>

        <div id="companyDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">Company</label>
          <div class="col-sm-10">
            <input type="text" name="comp" class="form-control" id="input1" placeholder="Company" />
          </div>
        </div>

        <div id="titleDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">Title</label>
          <div class="col-sm-10">
            <input type="text" name="title" class="form-control" id="input1" placeholder="Title" />
          </div>
        </div>

        <div id="phoneDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">Phone</label>
          <div class="col-sm-10">
            <input type="int" name="urstel" class="form-control" id="input1" placeholder="Phone" />
          </div>
        </div>

        <div id="emailDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">E-Mail</label>
          <div class="col-sm-10">
            <input type="email" name="email" class="form-control" id="input1" placeholder="E-mail" />
          </div>
        </div>

        <div id="addressDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">Address</label>
          <div class="col-sm-10">
            <input type="text" name="location" class="form-control" id="input1" placeholder="Address" />
          </div>
        </div>


        <input type="submit" class="btn btn-primary col-md-2 col-md-offset-10" value="submit" />
      </form>

    </div>
  </div>
</body>

</html>

最佳答案

您缺少 jQuery 库。记得添加到<head>中您页面的部分:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

$(document).ready(function() {
  listenForInputChanges();
})

function listenForInputChanges() {
  $('#contactType >input').change(function() {
    console.log('val is ' + $(this).val())
    switch ($(this).val()) {
      case 'individual':
        $('#nameDiv').show();
        $('#companyDiv').show();
        $('#titleDiv').show();
        $('#phoneDiv').show();
        $('#emailDiv').show();
        $('#addressDiv').show();
        break;

      case 'team':
        $('#nameDiv').show();
        $('#companyDiv').show();
        $('#titleDiv').hide();
        $('#phoneDiv').show();
        $('#emailDiv').show();
        $('#addressDiv').show();
        break;

      case 'company':
        $('#nameDiv').hide();
        $('#companyDiv').show();
        $('#titleDiv').hide();
        $('#phoneDiv').show();
        $('#emailDiv').show();
        $('#addressDiv').show();
        break;
    }
  })
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<!DOCTYPE html>
<html>

<head>
  <title>Create new contact</title>
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js">
  </script>


</head>

<body>
  <div class="container">
    <div class="row">
      <form method="post" class="form-horizontal col-md-6 col-md-offset-3">
        <h2>Motoko Insurance Contacts</h2>


        <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js">
        </script>
        <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" />

        <div class="form-group">
          <label for="input" class="col-sm-6 control-label">What type of contact are you adding?</label>
          <div id="contactType" class="col-sm-10">
            <input type="radio" name="Contact_type" value="individual"> Individual
            <input type="radio" name="Contact_type" value="team"> Team
            <input type="radio" name="Contact_type" value="company"> Company</div>
        </div>


        <div id="nameDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">Name</label>
          <div class="col-sm-10">
            <input type="text" name="name" class="form-control" id="input1" placeholder="Name" />
          </div>
        </div>

        <div id="companyDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">Company</label>
          <div class="col-sm-10">
            <input type="text" name="comp" class="form-control" id="input1" placeholder="Company" />
          </div>
        </div>

        <div id="titleDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">Title</label>
          <div class="col-sm-10">
            <input type="text" name="title" class="form-control" id="input1" placeholder="Title" />
          </div>
        </div>

        <div id="phoneDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">Phone</label>
          <div class="col-sm-10">
            <input type="int" name="urstel" class="form-control" id="input1" placeholder="Phone" />
          </div>
        </div>

        <div id="emailDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">E-Mail</label>
          <div class="col-sm-10">
            <input type="email" name="email" class="form-control" id="input1" placeholder="E-mail" />
          </div>
        </div>

        <div id="addressDiv" class="form-group">
          <label for="input1" class="col-sm-2 control-label">Address</label>
          <div class="col-sm-10">
            <input type="text" name="location" class="form-control" id="input1" placeholder="Address" />
          </div>
        </div>


        <input type="submit" class="btn btn-primary col-md-2 col-md-offset-10" value="submit" />
      </form>

    </div>
  </div>
</body>

</html>

关于javascript - JQuery 函数对单选按钮不响应，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/48797918/

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