[英]Show error on specific input field in html table td using jQuery
我正在嘗試突出顯示html表td中的輸入字段。 我正在循環html表,但是如果輸入字段中的數量為0,則無法突出顯示輸入字段。 我嘗試過的是下面。
<div id="rootwizard">
<div class="navbar">
<div class="navbar-inner">
<div class="container">
<ul>
<li><a href="#details" data-toggle="tab">details</a></li>
<li><a href="#captain" data-toggle="tab">captain</a></li>
</ul>
</div>
</div>
</div>
<div class="tab-content">
<div class="tab-pane" id="details">
<div class="row">
<div class="col-sm-12">
<h4 class="info-text">
Let's start with the basic details.
</h4>
</div>
<div class="form-horizontal">
<div class="form-group">
<div class="col-md-12">
<div class="persons">
<table class="table table-condensed table-hover" id="tblPurchaseOrders">
<tr>
<th>
Product Code
</th>
<th>
SKU
</th>
<th>
Product Name
</th>
<th>
Quantity
</th>
</tr>
<tr>
<td>
<input type="text" name="ProductCode" value="A" class="form-control" />
</td>
<td>
<input type="text" name="SKU" value="A1" class="form-control" />
</td>
<td>
<input type="text" name="Name1" value="A1" class="form-control" />
</td>
<td>
<input type="text" id="Quantity" value="0" class="form-control" />
</td>
</tr>
<tr>
<td>
<input type="text" name="ProductCode" value="B" class="form-control" />
</td>
<td>
<input type="text" name="SKU" value="B1" class="form-control" />
</td>
<td>
<input type="text" name="Name1" value="B1" class="form-control" />
</td>
<td>
<input type="text" id="Quantity" value="1" class="form-control" />
</td>
</tr>
</table>
</div>
</div>
</div>
<hr />
</div>
</div>
</div>
<div class="tab-pane" id="captain">
<div class="row">
<div class="form-group">
<div class="col-md-12">
<table class="table table-condensed table-hover" id="tbOrderDetail">
<tr>
<th>
Product Code
</th>
<th>
SKU
</th>
<th>
Product Name
</th>
<th>
Quantity
</th>
</tr>
</table>
</div>
</div>
</div>
</div>
<ul class="pager wizard">
<li class="previous first" style="display:none;"><a href="#">First</a></li>
<li class="previous"><a href="#">Previous</a></li>
<li class="next last" style="display:none;"><a href="#">Last</a></li>
<li class="next"><a href="#">Next</a></li>
</ul>
</div>
</div>
<div class="tab-content">
</div>
以下是我的jQuery代碼,我在其中循環html表,並要突出顯示html表td中的輸入字段。
$(document).ready(function() {
$('#rootwizard').bootstrapWizard({
onTabShow: function(tab, navigation, index) {
if (index == 1) {
$('#tblPurchaseOrders').find('tr:has(td)').each(function() {
if (parseInt(($(this).find('#Quantity')).val()) == 0)
{
//show error
}
});
}
}
});
});
您正在按ID( #Quantity
)進行過濾。 兩個(或更多)元素不能共享相同的ID。 嘗試按名稱選擇元素,例如:
$('#tblPurchaseOrders').find('td > input[name=Quantity]').each(function() {
var val = $(this).val();
if (parseInt(val) == 0)
{
// show error
// note: if needed, you can obtain a reference
// to container <tr> using: $(this).parent('tr');
}
});
請記住,將Quantity
元素的id
屬性更改為name
。
注意:未經測試的代碼可能無法按原樣工作,我只是向您顯示正確的方向。
如果您打算將Twitter Bootstrap向導(從現在開始使用TBW)用於驗證流程,則可能不希望在打開選項卡時觸發此驗證,這是將代碼放置在驗證程序內部時發生的。 onTabShow
功能。
我假設您希望在用戶想要轉到下一步時通過按您具有的“下一步”鏈接,或者當您要加載“下一個選項卡”時完成對字段的驗證。 為此,您應該使用onNext
而不是onTabShow
進行驗證。
$(document).ready(function() {
$('#rootwizard').bootstrapWizard({
tabClass: 'nav nav-pills',
onNext: function(tab, navigation, index) {
var res = $("input[name='Quantity']").each(function() {
var val = $(this).val();
if(parseInt(val) == 0) {
$(this).focus();
// This will stop the .each-iteration
// We only want to focus the _first_ element, otherwise it
// would keep iterating, and change focus to the next 0-valued input
return false;
}
});
// We use the result returned from running the each function
// If false was returned at any point during the .each function,
// var res will be false. Pass this onto the onNext call, to
// prevent the the user to move to next tab.
if(!res) return false;
}
});
});
為此,您必須在兩個實例中都將id="Quantity"
替換為name="Quantity"
。
如果要在第一個元素上使用.focus()
,無論哪個輸入無效,都應從上一個示例中刪除$(this).focus()
,而將if(!res) return false
替換為以下內容:
if(!res) {
$("input[name='Quantity']").first().focus();
return false;
}
Can you try this
<div id="rootwizard">
<div class="navbar">
<div class="navbar-inner">
<div class="container">
<ul>
<li><a href="#details" data-toggle="tab">details</a></li>
<li><a href="#captain" data-toggle="tab">captain</a></li>
</ul>
</div>
</div>
</div>
<div class="tab-content">
<div class="tab-pane" id="details">
<div class="row">
<div class="col-sm-12">
<h4 class="info-text">
Let's start with the basic details.
</h4>
</div>
<div class="form-horizontal">
<div class="form-group">
<div class="col-md-12">
<div class="persons">
<table class="table table-condensed table-hover" id="tblPurchaseOrders">
<tr>
<th>
Product Code
</th>
<th>
SKU
</th>
<th>
Product Name
</th>
<th>
Quantity
</th>
</tr>
<tbody id="dtTable">
<tr>
<td>
<input type="text" name="ProductCode" value="A" class="form-control" />
</td>
<td>
<input type="text" name="SKU" value="A1" class="form-control" />
</td>
<td>
<input type="text" name="Name1" value="A1" class="form-control" />
</td>
<td>
<input type="text" id="Quantity" value="0" class="form-control" />
</td>
</tr>
<tr>
<td>
<input type="text" name="ProductCode" value="B" class="form-control" />
</td>
<td>
<input type="text" name="SKU" value="B1" class="form-control" />
</td>
<td>
<input type="text" name="Name1" value="B1" class="form-control" />
</td>
<td>
<input type="text" id="Quantity" name="Quantity" value="1" class="form-control" />
</td>
</tr>
</table>
</div>
</div>
</div>
<hr />
</div>
</div>
</div>
<div class="tab-pane" id="captain">
<div class="row">
<div class="form-group">
<div class="col-md-12">
<table class="table table-condensed table-hover" id="tbOrderDetail">
<tr>
<th>
Product Code
</th>
<th>
SKU
</th>
<th>
Product Name
</th>
<th>
Quantity
</th>
</tr>
</table>
</div>
</div>
</div>
</div>
<ul class="pager wizard">
<li class="previous first" style="display:none;"><a href="#">First</a></li>
<li class="previous"><a href="#">Previous</a></li>
<li class="next last" style="display:none;"><a href="#">Last</a></li>
<li class="next"><a href="#">Next</a></li>
</ul>
</div>
</div>
<div class="tab-content">
And Javascript code
$(document).ready(function () {
$('#rootwizard').bootstrapWizard({
onTabShow: function (tab, navigation, index) {
if (index == 0) {
$('#dtTable tr').each(function (i, row) {
$(this).find('[name=Quantity]').each(function () {
alert($(this).val())
})
if ($(this).val() == 1) {
///Do something
}
});
}
}
});
});
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.