Bootstrap 4 Bootstrap 4验证表单和$.ajax jquery提交
各位下午好, 我想提交一个带有bootstrap4验证和$.ajaxjquery的表单,但我不能这样做。验证表单的工作方式与您可以从JSFIDLE链接中看到的一样,但我无法插入jquery ajax调用 你能帮我吗Bootstrap 4 Bootstrap 4验证表单和$.ajax jquery提交,bootstrap-4,Bootstrap 4,各位下午好, 我想提交一个带有bootstrap4验证和$.ajaxjquery的表单,但我不能这样做。验证表单的工作方式与您可以从JSFIDLE链接中看到的一样,但我无法插入jquery ajax调用 你能帮我吗 <form class="needs-validation" novalidate> <div class="form-row"> <div class="col-md-4 mb-3"> <label for="val
<form class="needs-validation" novalidate>
<div class="form-row">
<div class="col-md-4 mb-3">
<label for="validationCustom01">First name</label>
<input type="text" class="form-control" id="validationCustom01" placeholder="First name" value="Mark" required>
<div class="valid-feedback">
Looks good!
</div>
</div>
<div class="col-md-4 mb-3">
<label for="validationCustom02">Last name</label>
<input type="text" class="form-control" id="validationCustom02" placeholder="Last name" value="Otto" required>
<div class="valid-feedback">
Looks good!
</div>
</div>
<div class="col-md-4 mb-3">
<label for="validationCustomUsername">Username</label>
<div class="input-group">
<div class="input-group-prepend">
<span class="input-group-text" id="inputGroupPrepend">@</span>
</div>
<input type="text" class="form-control" id="validationCustomUsername" placeholder="Username" aria-describedby="inputGroupPrepend" required>
<div class="invalid-feedback">
Please choose a username.
</div>
</div>
</div>
</div>
<div class="form-row">
<div class="col-md-6 mb-3">
<label for="validationCustom03">City</label>
<input type="text" class="form-control" id="validationCustom03" placeholder="City" required>
<div class="invalid-feedback">
Please provide a valid city.
</div>
</div>
<div class="col-md-3 mb-3">
<label for="validationCustom04">State</label>
<input type="text" class="form-control" id="validationCustom04" placeholder="State" required>
<div class="invalid-feedback">
Please provide a valid state.
</div>
</div>
<div class="col-md-3 mb-3">
<label for="validationCustom05">Zip</label>
<input type="text" class="form-control" id="validationCustom05" placeholder="Zip" required>
<div class="invalid-feedback">
Please provide a valid zip.
</div>
</div>
</div>
<div class="form-group">
<div class="form-check">
<input class="form-check-input" type="checkbox" value="" id="invalidCheck" required>
<label class="form-check-label" for="invalidCheck">
Agree to terms and conditions
</label>
<div class="invalid-feedback">
You must agree before submitting.
</div>
</div>
</div>
<button class="btn btn-primary" type="submit">Submit form</button>
</form>
<script>
// Example starter JavaScript for disabling form submissions if there are invalid fields
(function() {
'use strict';
window.addEventListener('load', function() {
// Fetch all the forms we want to apply custom Bootstrap validation styles to
var forms = document.getElementsByClassName('needs-validation');
// Loop over them and prevent submission
var validation = Array.prototype.filter.call(forms, function(form) {
form.addEventListener('submit', function(event) {
if (form.checkValidity() === false) {
event.preventDefault();
event.stopPropagation();
}
form.classList.add('was-validated');
}, false);
});
}, false);
})();
</script>
名字
看起来不错!
姓
看起来不错!
用户名
@
请选择一个用户名。
城市
请提供一个有效的城市。
陈述
请提供有效状态。
拉链
请提供有效的邮政编码。
同意条款和条件
提交前必须同意。
提交表格
//示例starter JavaScript,用于在存在无效字段时禁用表单提交
(功能(){
"严格使用",;
addEventListener('load',function()){
//获取要应用自定义引导验证样式的所有表单
var forms=document.getElementsByClassName('needs-validation');
//对它们进行循环并防止提交
var validation=Array.prototype.filter.call(表单,函数(表单){
表单.addEventListener('submit',函数(事件){
if(form.checkValidity()==false){
event.preventDefault();
event.stopPropagation();
}
form.classList.add('was-validated');
},假);
});
},假);
})();
有关更多信息,请访问此JSFIDLE链接:这也让我感到困惑。在第一个语句之后添加第二个
if
语句检查有效性对我来说很有用。奇怪的是,else
块没有显示,并且阻止了验证消息的显示
<script>
// Example starter JavaScript for disabling form submissions if there are invalid fields
(function() {
'use strict';
window.addEventListener('load', function() {
// Fetch all the forms we want to apply custom Bootstrap validation styles to
var forms = document.getElementsByClassName('needs-validation');
// Loop over them and prevent submission
var validation = Array.prototype.filter.call(forms, function(form) {
form.addEventListener('submit', function(event) {
if (form.checkValidity() === false) {
event.preventDefault();
event.stopPropagation();
}
if (form.checkValidity() === true) {
event.preventDefault();
//do ajax here
}
form.classList.add('was-validated');
}, false);
});
}, false);
})();
</script>
//示例starter JavaScript,用于在存在无效字段时禁用表单提交
(功能(){
"严格使用",;
addEventListener('load',function()){
//获取要应用自定义引导验证样式的所有表单
var forms=document.getElementsByClassName('needs-validation');
//对它们进行循环并防止提交
var validation=Array.prototype.filter.call(表单,函数(表单){
表单.addEventListener('submit',函数(事件){
if(form.checkValidity()==false){
event.preventDefault();
event.stopPropagation();
}
if(form.checkValidity()==true){
event.preventDefault();
//在这里做ajax吗
}
form.classList.add('was-validated');
},假);
});
},假);
})();
您能告诉我更多细节吗?你想做什么样的验证?Bootstrap 4仅执行基于浏览器或服务器的验证。很抱歉,标题错误。我现在更新标题。验证在客户机上进行,然后我将表单提交到服务器端-@İlkerErgün