$(...).jqBootstrapValidation 不是 HTMLDocument 中的函数。<anonymous>

Question

我正在尝试使用 bootstrap 模板实现联系我们页面。我是 asp.net 的真正初学者，这是我第一次使用模板。我真的无法理解导致上述错误的问题在哪里。我想在用户单击“发送消息”按钮时将电子邮件发送到当前的企业电子邮件。谁能帮帮我？

contact.cshtml

        <div class="row">
            <div class="col-lg-8 mb-4">
                <h3>Send us a Message</h3>
                <form name="sentMessage" id="contactForm" novalidate>
                    <div class="control-group form-group">
                        <div class="controls">
                            <label>Full Name:</label>
                            <input type="text" class="form-control" id="name" required data-validation-required-message="Please enter your name.">
                            <p class="help-block"></p>
                        </div>
                    </div>
                    <div class="control-group form-group">
                        <div class="controls">
                            <label>Phone Number:</label>
                            <input type="tel" class="form-control" id="phone" required data-validation-required-message="Please enter your phone number.">
                        </div>
                    </div>
                    <div class="control-group form-group">
                        <div class="controls">
                            <label>Email Address:</label>
                            <input type="email" class="form-control" id="email" required data-validation-required-message="Please enter your email address.">
                        </div>
                    </div>
                    <div class="control-group form-group">
                        <div class="controls">
                            <label>Message:</label>
                            <textarea rows="10" cols="100" class="form-control" id="message" required data-validation-required-message="Please enter your message" maxlength="999" style="resize:none"></textarea>
                        </div>
                    </div>
                    <div id="success"></div>
                    <!-- For success/fail messages -->
                    <button type="submit" class="btn btn-primary" id="sendMessageButton">Send Message</button>
                </form>
            </div>     
        </div>
    </div>

    <script src="~/Content/vendor/jquery/jquery.min.js"></script>        
    <script src="~/Scripts/contact_me.js"></script>
    <script src="~/Scripts/jqBootstrapValidation.js"></script>
    <script src="~/Content/vendor/bootstrap/js/bootstrap.min.js"></script>



    contact_me.js

    $(function () {

      $('#contactForm input,#contactForm textarea').jqBootstrapValidation({
        preventSubmit: true,
        submitError: function($form, event, errors) {
          // additional error messages or events
        },
        submitSuccess: function($form, event) {
          event.preventDefault(); // prevent default submit behaviour
          // get values from FORM
          var name = $("input#name").val();
          var email = $("input#email").val();
          var phone = $("input#phone").val();
          var message = $("textarea#message").val();
          var firstName = name; // For Success/Failure Message
          // Check for white space in name for Success/Fail message
          if (firstName.indexOf(' ') >= 0) {
            firstName = name.split(' ').slice(0, -1).join(' ');
          }
          $this = $("#sendMessageButton");
          $this.prop("disabled", true); // Disable submit button until AJAX call is complete to prevent duplicate messages
            $.ajax({
                     url: "mail/contact_me.php",
            type: "POST",
            data: {
              name: name,
              phone: phone,
              email: email,
              message: message
            },
            cache: false,
            success: function() {
              // Success message
              $('#success').html("<div class='alert alert-success'>");
              $('#success > .alert-success').html("<button type='button' class='close' data-dismiss='alert' aria-hidden='true'>&times;")
                .append("</button>");
              $('#success > .alert-success')
                .append("<strong>Your message has been sent. </strong>");
              $('#success > .alert-success')
                .append('</div>');
              //clear all fields
              $('#contactForm').trigger("reset");
            },
            error: function() {
              // Fail message
              $('#success').html("<div class='alert alert-danger'>");
              $('#success > .alert-danger').html("<button type='button' class='close' data-dismiss='alert' aria-hidden='true'>&times;")
                .append("</button>");
              $('#success > .alert-danger').append($("<strong>").text("Sorry " + firstName + ", it seems that my mail server is not responding. Please try again later!"));
              $('#success > .alert-danger').append('</div>');
              //clear all fields
              $('#contactForm').trigger("reset");
            },
            complete: function() {
              setTimeout(function() {
                $this.prop("disabled", false); // Re-enable submit button when AJAX call is complete
              }, 1000);
            }
          });
        },
        filter: function() {
          return $(this).is(":visible");
        },
      });

      $("a[data-toggle=\"tab\"]").click(function(e) {
        e.preventDefault();
        $(this).tab("show");
      });
    });

    /*When clicking on Full hide fail/success boxes */
    $('#name').focus(function() {
      $('#success').html('');
    });

Answer 1

我的回答随着评论的变化而变化：

the answer was that the OP added Jquery twice making a conflict in file jqBootstrapValidation.js

此外，为了根据 OP post 帮助其他人，下一部分也可能有所帮助：

Javascript个文件需要按依赖顺序加载。由于您的自定义 javascript 文件 contact_me.js 依赖于 javascript 文件 jqBootstrapValidation.js 中包含的函数，您需要在 contact_me.js 之前加载 jqBootstrapValidation.js，要修复此开关，这些文件的加载顺序：

<script src="~/Content/vendor/bootstrap/js/bootstrap.min.js"></script>
<script src="~/Scripts/jqBootstrapValidation.js"></script>
<script src="~/Content/vendor/jquery/jquery.min.js"></script>        
<script src="~/Scripts/contact_me.js"></script>

$(...).jqBootstrapValidation 不是 HTMLDocument 中的函数。<anonymous>

$(...).jqBootstrapValidation is not a function at HTMLDocument.<anonymous>

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