我正在尝试清除字段的值并根据下拉值选择启用/禁用字段。目前启用/禁用字段正在工作,但当涉及到清除字段时,它不起作用。 我已经附加了我的 html 代码中的片段,其中基于状态值,其他字段(如 sc、sc raise 等)应该启用。根据状态值的更改,先前启用的字段应清除。甚至提交按钮也应该基于它启用。有什么帮助吗?
HTML 代码片段:
<div class="col-md-6">
<div class="form-group">
<label class="control-label col-lg-4">Status:<span class="Imp">*</span></label>
<div class="col-lg-8">
@Html.DropDownList("Status", new SelectListItem[] { (new SelectListItem() { Text = "SC", Value = "SC" }), (new SelectListItem() { Text = "PO", Value = "PO" }), (new SelectListItem() { Text = "INV", Value = "INV" }) }, "-- Select Status --", new { @class = "form-control", id = "Status" })
</div>
</div>
</div>
<div class="row top-buffer">
<div class="col-md-6">
<div class="form-group">
<label class="control-label col-lg-4">SC Raised:<span class="Imp">*</span></label>
<div class="col-lg-8">
<div class='input-group date' id='SCRaisedDatePicker'>
<input type='text' class="form-control" name="SCRaised" placeholder="MM/DD/YYY" id="SCRaised" />
<span class="input-group-addon">
<span class="fa fa-calendar">
</span>
</span>
</div>
</div>
</div>
</div>
<div class="col-md-6">
<div class="form-group">
<label class="control-label col-lg-4">SC:<span class="Imp">*</span></label>
<div class="col-lg-8">
@Html.TextBoxFor(model => model.detailsConfig.SC, new { onkeypress = "return isNumberKey(event)", @class = "form-control", id = "SC" })
</div>
</div>
</div>
</div>
<div class="row top-buffer">
<div class="col-md-6">
<div class="form-group">
<label class="control-label col-lg-4">PO#:<span class="Imp">*</span></label>
<div class="col-lg-8">
@Html.TextBoxFor(model => model.detailsConfig.PO, new { onkeypress = "return isNumberKey(event)", @class = "form-control", id = "PO" })
</div>
</div>
</div>
<div class="col-md-6">
<div class="form-group">
<label class="control-label col-lg-4">PO Out:<span class="Imp">*</span></label>
<div class="col-lg-8">
<div class='input-group date' id='PODatePicker'>
<input type='text' class="form-control" name="POOut" placeholder="MM/DD/YYY" id="POOut" />
<span class="input-group-addon">
<span class="fa fa-calendar">
</span>
</span>
</div>
</div>
</div>
</div>
</div>
<div class="modal-footer">
<input type="submit" id="btnSubmit" value="Submit" class="btn btn-lg btn-success" />
</div>
java脚本代码:
$('#Status').change(function() {
switch ($(this).find('option:selected').text()) {
case '-- Select Status --':
$('#SCRaised').prop('disabled', true);
$('#SC').prop('disabled', true);
$('#PO').prop('disabled', true);
$('#POOut').prop('disabled', true);
break;
case 'SC':
$('#SCRaised').prop('disabled', false);
$('#SC').prop('disabled', false);
document.getElementById("#PO").value = "";
document.getElementById("#POOut").value = "";
$('#PO').prop('disabled', true);
$('#POOut').prop('disabled', true);
if ($('#SCRaised').val().length > 0 && $('#SC').val().length > 0) {
$("input[type=submit]").prop("disabled", false);
}
break;
case 'PO':
$('#PO').prop('disabled', false);
$('#POOut').prop('disabled', false);
$('#SCRaised').val() = "";
$('#SC').val() = "";
$('#SCRaised').prop('disabled', true);
$('#SC').prop('disabled', true);
$('#ItemArrival').prop('disabled', true);
if ($('#PO').val().length > 0 &&
$('#POOut').val().length > 0)
{
$("input[type=submit]").prop("disabled", false);
}
break;
}
});
最佳答案
我在您的代码片段中注意到的一件事是您错误地使用了 getElementById
。
document.getElementById("#PO").value = "";
作为参数,您应该提供不带 #
的 id。
关于javascript - 根据下拉选择清除并启用/禁用字段,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/45583068/