[英]issue with Bootstrap modal using ajax and foreach
我正在尝试使用 BS 模式来呈现带有 select 框的表单,并最终通过 ajax 调用更新数据库中的记录。 打开模式的触发器 btn 是一组<i></i>
标签,它们具有相同的 class 名称itagbtn
和data-classschid="some_numbere"
以将变量传递给 php 脚本。 所以我应该通过 ajax 传递给 php 脚本的数据是模态表单中 select 字段的值和 clicked 的 id tag 的值。 问题是,在 ajax 调用之后,所有的记录都会同时更新,而不是只被点击的一个。 感谢您的帮助。 以下是简化的代码:
HTML & 模态
<tr>
<td>
<span class="spanClassStatus">
Missed
</span>
<span class="wrapperSpan">
<i class="btn itagbtn" data-classschid="1" data-toggle="modal" data-target="#ModalUpdateClassStatus"></i>
</span>
</td>
</tr>
<tr>
<td>
<span class="spanClassStatus">
Taken
</span>
<span class="wrapperSpan">
<i class="btn itagbtn" data-classschid="2" data-toggle="modal" data-target="#ModalUpdateClassStatus"></i>
</span>
</td>
</tr>
<!-- Modal -->
<div class="modal fade" id="ModalUpdateClassStatus" tabindex="-1" role="dialog" aria-labelledby="modalLabelClassStatus">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title" id="modalLabelClassStatus">Update Class Status</h4>
<button type="button" class="close d-block text-danger" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
</div>
<div class="modal-body">
<form action="#" method="POST" id="modalForm">
<div class="">
<small>Select a new status for this class</small>
<select name="selected_status_id" id="selected_status_id" required="required">
<option value="" selected="selected">Choose an item</option>
<option value="taken">Taken</option>
<option value="missed">Missed</option>
</select>
</div>
<i class="fa fa-spinner fa-pulse fa-3x fa-fw text-primary d-none" id="statusSpinner"></i>
<span class="sr-only">Please wait ...</span>
<button type="submit" id="editClassStatusBtn" class="btn btn-success mt-2" style="font-size:0.9rem;">Update Status</button>
</form>
</div> <!-- end of modal-body -->
</div>
</div>
</div>
JAVASCRIPT
<script>
$( document ).ready(
function(){
$('#ModalUpdateClassStatus').on('submit', function(e){
e.preventDefault();
const itagTriggers=document.querySelectorAll('i[data-classschid]');
itagTriggers.forEach(itag => {
var class_sch_id = itag.getAttribute('data-classschid');
var selected_status_id = $('#selected_status_id').val();
var statusSpinner = $('#statusSpinner');
var spanClassStatus = $(itag).parent().siblings('.spanClassStatus');
statusSpinner.removeClass('d-none');
$('#editClassStatusBtn').prop('disabled', true);
var url = "{{ path('class_schedule_tch_status_update')|escape('js') }}";
var type = "POST";
$.ajax({
url : url,
type: type,
data : {
'selected_status_id': selected_status_id,
'class_sch_id': class_sch_id
},
success: function(returnedMsg) {
if (returnedMsg['status'] == "success") {
$(spanClassStatus).text(returnedMsg['msg']);
}
else if(returnedMsg['status'] == "error"){
//error stuff
}
else{
//unknown error
}
}
});
})
});
});
</script>
每当单击您的i
标签时,您都可以将data-attr
值保存在隐藏输入中,然后使用此隐藏输入值传递给您的 ajax 调用以及引用当前tr
已单击i
标签的位置。
演示代码:
//on click of itag $(".itagbtn").on("click", function() { $("[name=classschid]").val($(this).data("classschid")) //add value to hidden input inside modal }) $('#ModalUpdateClassStatus').on('submit', function(e) { e.preventDefault(); var class_sch_id = $("[name=classschid]").val(); //get itag value var selected_status_id = $('#selected_status_id').val(); var statusSpinner = $('#statusSpinner'); var spanClassStatus = $("i[data-classschid=" + class_sch_id + "]").parent().siblings('.spanClassStatus'); ///use it here as well console.log(class_sch_id) statusSpinner.removeClass('d-none'); /*$('#editClassStatusBtn').prop('disabled', true); var url = "{{ path('class_schedule_tch_status_update')|escape('js') }}"; var type = "POST"; $.ajax({ url: url, type: type, data: { 'selected_status_id': selected_status_id, 'class_sch_id': class_sch_id }, success: function(returnedMsg) { if (returnedMsg['status'] == "success") {*/ $(spanClassStatus).text("ok ok"); //returnedMsg['msg'] /*} else if (returnedMsg['status'] == "error") { //error stuff } else { //unknown error } } });*/ });
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script> <table> <tr> <td> <span class="spanClassStatus"> Missed </span> <span class="wrapperSpan"> <i class="btn itagbtn" data-classschid="1" data-toggle="modal" data-target="#ModalUpdateClassStatus">Click</i> </span> </td> </tr> <tr> <td> <span class="spanClassStatus"> Taken </span> <span class="wrapperSpan"> <i class="btn itagbtn" data-classschid="2" data-toggle="modal" data-target="#ModalUpdateClassStatus">Click</i> </span> </td> </tr> <table> <.-- Modal --> <div class="modal fade" id="ModalUpdateClassStatus" tabindex="-1" role="dialog" aria-labelledby="modalLabelClassStatus"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <h4 class="modal-title" id="modalLabelClassStatus">Update Class Status</h4> <button type="button" class="close d-block text-danger" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> </div> <div class="modal-body"> <form action="#" method="POST" id="modalForm"> <div class=""> <small>Select a new status for this class</small> <select name="selected_status_id" id="selected_status_id" required="required"> <option value="" selected="selected">Choose an item</option> <option value="taken">Taken</option> <option value="missed">Missed</option> </select> <.--added this hidden input--> <input type="hidden" name="classschid"> </div> <i class="fa fa-spinner fa-pulse fa-3x fa-fw text-primary d-none" id="statusSpinner"></i> <span class="sr-only">Please wait.:.</span> <button type="submit" id="editClassStatusBtn" class="btn btn-success mt-2" style="font-size;0.9rem;">Update Status</button> </form> </div> <!-- end of modal-body --> </div> </div> </div>
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