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我试图让一个弹出对话框出现在图片上传器上（这是第一个div body），但我不断收到这个错误在jquery.min.js：
jQuery.Deferred异常：$（...）。对话框不是一个函数TypeError：$（...）。对话框不是功能
以及此错误：
遗漏的类型错误：$（...）对话框是不是一个函数
的对M还没有弹出作为一个单独的对话框，而只是出现在屏幕的底部，如链接如下图所示：
https://wardrobed-debjanidas.c9users.io/imageupload
下面是我的HTML代码：
<!DOCTYPE html>
<html>
<head>
<!---bootstrap stuff--->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<!---my stylesheet--->
<link rel="stylesheet" href="css/styles.css" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script
src="https://code.jquery.com/ui/1.12.1/jquery-ui.min.js"
integrity="sha256-VazP97ZCwtekAsvgPBSUwPFKdrwD3unUfSGVYrahUqU="
crossorigin="anonymous">
</script>
<title>Wardrobed</title>
<style>
label, input { display:block; }
input.text { margin-bottom:12px; width:95%; padding: .4em; }
fieldset { padding:0; border:0; margin-top:25px; }
h1 { font-size: 1.2em; margin: .6em 0; }
div#users-contain { width: 350px; margin: 20px 0; }
div#users-contain table { margin: 1em 0; border-collapse: collapse; width: 100%; }
div#users-contain table td, div#users-contain table th { border: 1px solid #eee; padding: .6em 10px; text-align: left; }
.ui-dialog .ui-state-error { paddsing: .3em; }
.validateTips { border: 1px solid transparent; padding: 0.3em; }
</style>
<script>
$(function() {
var dialog, form,
// From http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#e-mail-state-%28type=email%29
emailRegex = /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-][email protected][a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/,
name = $("#name"),
email = $("#email"),
password = $("#password"),
allFields = $([]).add(name).add(email).add(password),
tips = $(".validateTips");
function updateTips(t) {
tips
.text(t)
.addClass("ui-state-highlight");
setTimeout(function() {
tips.removeClass("ui-state-highlight", 1500);
}, 500);
}
function checkLength(o, n, min, max) {
if (o.val().length > max || o.val().length < min) {
o.addClass("ui-state-error");
updateTips("Length of " + n + " must be between " +
min + " and " + max + ".");
return false;
} else {
return true;
}
}
function checkRegexp(o, regexp, n) {
if (!(regexp.test(o.val()))) {
o.addClass("ui-state-error");
updateTips(n);
return false;
} else {
return true;
}
}
function addUser() {
var valid = true;
allFields.removeClass("ui-state-error");
valid = valid && checkLength(name, "username", 3, 16);
valid = valid && checkLength(email, "email", 6, 80);
valid = valid && checkLength(password, "password", 5, 16);
valid = valid && checkRegexp(name, /^[a-z]([0-9a-z_\s])+$/i, "Username may consist of a-z, 0-9, underscores, spaces and must begin with a letter.");
valid = valid && checkRegexp(email, emailRegex, "eg. [email protected]");
valid = valid && checkRegexp(password, /^([0-9a-zA-Z])+$/, "Password field only allow : a-z 0-9");
if (valid) {
$("#users tbody").append("<tr>" +
"<td>" + name.val() + "</td>" +
"<td>" + email.val() + "</td>" +
"<td>" + password.val() + "</td>" +
"</tr>");
dialog.dialog("close");
}
return valid;
}
dialog = $("#dialog-form").dialog({
autoOpen: false,
height: 400,
width: 350,
modal: true,
buttons: {
"Create an account": addUser,
Cancel: function() {
dialog.dialog("close");
}
},
close: function() {
form[ 0 ].reset();
allFields.removeClass("ui-state-error");
}
});
form = dialog.find("form").on("submit", function(event) {
event.preventDefault();
addUser();
});
$("#create-user").button().on("click", function() {
dialog.dialog("open");
});
});
</script>
</head>
<body>
<div class="container">
<div class="row">
<div class="col-xs-12">
<div class="panel panel-default">
<div class="panel-body">
<span class="glyphicon glyphicon-cloud-upload"></span>
<h2>Item Uploader</h2>
<h4>Wardrobed</h4>
<div class="progress">
<div class="progress-bar" role="progressbar"></div>
</div>
<button class="btn btn-lg upload-btn" type="button">Upload Image</button>
</div>
</div>
</div>
</div>
</div>
<input id="upload-input" type="file" name="uploads[]" multiple="multiple"></br>
<div id="dialog-form" title="Create new user">
<p class="validateTips">All form fields are required.</p>
<form>
<fieldset>
<label for="name">Name</label>
<input type="text" name="name" id="name" value="Jane Smith" class="text ui-widget-content ui-corner-all">
<label for="email">Email</label>
<input type="text" name="email" id="email" value="[email protected]" class="text ui-widget-content ui-corner-all">
<label for="password">Password</label>
<input type="password" name="password" id="password" value="xxxxxxx" class="text ui-widget-content ui-corner-all">
<!-- Allow form submission with keyboard without duplicating the dialog button -->
<input type="submit" tabindex="-1" style="position:absolute; top:-1000px">
</fieldset>
</form>
</div>
<div id="users-contain" class="ui-widget">
<h1>Existing Users:</h1>
<table id="users" class="ui-widget ui-widget-content">
<thead>
<tr class="ui-widget-header ">
<th>Name</th>
<th>Email</th>
<th>Password</th>
</tr>
</thead>
<tbody>
<tr>
<td>John Doe</td>
<td>[email protected]</td>
<td>johndoe1</td>
</tr>
</tbody>
</table>
</div>
<button id="create-user">Create new user</button>
<script src="https://code.jquery.com/jquery-2.2.0.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<script src="javascripts/upload.js"></script>
</body>
</html>
我试图将我的bootstrap cdn更新为4.0.0，但导致图像上传器div消失，并且表单停留在页面底部。有谁知道我应该如何解决这个问题？
您包含jQuery的多个版本。你只需要使用一个 –