Javascript 如何获取可编辑表中的数据以通过AJAX发送？
我有一个模态，有一个动态的可编辑表。我正在寻找一种将可编辑表的数据获取到JS变量的方法。然后我可以通过AJAX将这些数据传递给控制器。我试了很多密码。但是我找不到合适的方法。如何获取变量的值Javascript 如何获取可编辑表中的数据以通过AJAX发送？,javascript,jquery,laravel,bootstrap-modal,Javascript,Jquery,Laravel,Bootstrap Modal,我有一个模态，有一个动态的可编辑表。我正在寻找一种将可编辑表的数据获取到JS变量的方法。然后我可以通过AJAX将这些数据传递给控制器。我试了很多密码。但是我找不到合适的方法。如何获取变量的值 <div class="col-lg-12 mt-4 mb-3"> <div class="table-responsive"> <table class="
<div class="col-lg-12 mt-4 mb-3">
<div class="table-responsive">
<table class="table table-hover align-items-center customizable-table text-center" id="opening_invoice_table">
<thead class="thead-light">
<tr>
<th scope="col">Date</th>
<th scope="col">Detail</th>
<th scope="col">Invoice No</th>
<th scope="col">Amount</th>
<th scope="col">Action</th>
</tr>
</thead>
<tbody id="opening_invoice_table_body">
<tr>
<td><input type="date" class="form-control form-control-alternative date" name="opening_invoice[1][date]"></td>
<td><input type="text" class="form-control form-control-alternative detail" name="opening_invoice[1][detail]"></td>
<td><input type="text" class="form-control form-control-alternative invoice-no" name="opening_invoice[1][invoice_no]"></td>
<td><input type="number" class="form-control form-control-alternative amount" name="opening_invoice[1][amount]" min="0" step="any" placeholder="0.00"></td>
<td><a class="btn btn-sm delete-record btn-danger" id="delete_row"><i class="fas fa-trash-alt"></i></a></td>
</tr>
</tbody>
<tfoot>
<tr>
<th></th>
<th></th>
<th><label>Total Amount</label></th>
<th><input type="number" class="form-control form-control-alternative amount-calculate" name="total_amount" id="total_amount" placeholder="0.00" readonly></th>
<th></th>
</tr>
</tfoot>
</table>
<a class="btn btn-info pull-right add-record mt-2" data-added="0" title="Add Row" id="add_row"><i class="fa fa-plus"></i> Add Row</a>
</div>
</div>
</div>
<div class="modal-footer">
<div class="col-lg-12 text-right">
<button type="submit" class="btn btn-success"><i class="fas fa-download"></i> Save</button>
<button type="reset" class="btn btn-success"><i class="fas fa-eraser"></i> Clear</button>
<button type="button" class="btn btn-success" data-dismiss="modal"><i class="fa fa-window-close"></i> Close</button>
</div>
</div>
</form>
<div class="col-lg-12 mt-4 mb-3">
<div class="table-responsive">
<table class="table table-hover align-items-center customizable-table text-center" id="opening_invoice_table">
<thead class="thead-light">
<tr>
<th scope="col">Date</th>
<th scope="col">Detail</th>
<th scope="col">Invoice No</th>
<th scope="col">Amount</th>
<th scope="col">Action</th>
</tr>
</thead>
<tbody id="opening_invoice_table_body">
<tr>
<td><input type="date" class="form-control form-control-alternative date" name="opening_invoice[1][date]"></td>
<td><input type="text" class="form-control form-control-alternative detail" name="opening_invoice[1][detail]"></td>
<td><input type="text" class="form-control form-control-alternative invoice-no" name="opening_invoice[1][invoice_no]"></td>
<td><input type="number" class="form-control form-control-alternative amount" name="opening_invoice[1][amount]" min="0" step="any" placeholder="0.00"></td>
<td><a class="btn btn-sm delete-record btn-danger" id="delete_row"><i class="fas fa-trash-alt"></i></a></td>
</tr>
</tbody>
<tfoot>
<tr>
<th></th>
<th></th>
<th><label>Total Amount</label></th>
<th><input type="number" class="form-control form-control-alternative amount-calculate" name="total_amount" id="total_amount" placeholder="0.00" readonly></th>
<th></th>
</tr>
</tfoot>
</table>
<a class="btn btn-info pull-right add-record mt-2" data-added="0" title="Add Row" id="add_row"><i class="fa fa-plus"></i> Add Row</a>
</div>
</div>
</div>
<div class="modal-footer">
<div class="col-lg-12 text-right">
<button type="submit" class="btn btn-success"><i class="fas fa-download"></i> Save</button>
<button type="reset" class="btn btn-success"><i class="fas fa-eraser"></i> Clear</button>
<button type="button" class="btn btn-success" data-dismiss="modal"><i class="fa fa-window-close"></i> Close</button>
</div>
</div>
</form>
<div class="col-lg-12 mt-4 mb-3">
<div class="table-responsive">
<table class="table table-hover align-items-center customizable-table text-center" id="opening_invoice_table">
<thead class="thead-light">
<tr>
<th scope="col">Date</th>
<th scope="col">Detail</th>
<th scope="col">Invoice No</th>
<th scope="col">Amount</th>
<th scope="col">Action</th>
</tr>
</thead>
<tbody id="opening_invoice_table_body">
<tr>
<td><input type="date" class="form-control form-control-alternative date" name="opening_invoice[1][date]"></td>
<td><input type="text" class="form-control form-control-alternative detail" name="opening_invoice[1][detail]"></td>
<td><input type="text" class="form-control form-control-alternative invoice-no" name="opening_invoice[1][invoice_no]"></td>
<td><input type="number" class="form-control form-control-alternative amount" name="opening_invoice[1][amount]" min="0" step="any" placeholder="0.00"></td>
<td><a class="btn btn-sm delete-record btn-danger" id="delete_row"><i class="fas fa-trash-alt"></i></a></td>
</tr>
</tbody>
<tfoot>
<tr>
<th></th>
<th></th>
<th><label>Total Amount</label></th>
<th><input type="number" class="form-control form-control-alternative amount-calculate" name="total_amount" id="total_amount" placeholder="0.00" readonly></th>
<th></th>
</tr>
</tfoot>
</table>
<a class="btn btn-info pull-right add-record mt-2" data-added="0" title="Add Row" id="add_row"><i class="fa fa-plus"></i> Add Row</a>
</div>
</div>
</div>
<div class="modal-footer">
<div class="col-lg-12 text-right">
<button type="submit" class="btn btn-success"><i class="fas fa-download"></i> Save</button>
<button type="reset" class="btn btn-success"><i class="fas fa-eraser"></i> Clear</button>
<button type="button" class="btn btn-success" data-dismiss="modal"><i class="fa fa-window-close"></i> Close</button>
</div>
</div>
</form>
好吧，我想这段代码可能会对你有很大帮助
<div class="col-lg-12 mt-4 mb-3">
<div class="table-responsive">
<table class="table table-hover align-items-center customizable-table text-center" id="opening_invoice_table">
<thead class="thead-light">
<tr>
<th scope="col">Date</th>
<th scope="col">Detail</th>
<th scope="col">Invoice No</th>
<th scope="col">Amount</th>
<th scope="col">Action</th>
</tr>
</thead>
<tbody id="opening_invoice_table_body">
<tr>
<td><input type="date" class="form-control form-control-alternative date" name="opening_invoice[1][date]"></td>
<td><input type="text" class="form-control form-control-alternative detail" name="opening_invoice[1][detail]"></td>
<td><input type="text" class="form-control form-control-alternative invoice-no" name="opening_invoice[1][invoice_no]"></td>
<td><input type="number" class="form-control form-control-alternative amount" name="opening_invoice[1][amount]" min="0" step="any" placeholder="0.00"></td>
<td><a class="btn btn-sm delete-record btn-danger" id="delete_row"><i class="fas fa-trash-alt"></i></a></td>
</tr>
</tbody>
<tfoot>
<tr>
<th></th>
<th></th>
<th><label>Total Amount</label></th>
<th><input type="number" class="form-control form-control-alternative amount-calculate" name="total_amount" id="total_amount" placeholder="0.00" readonly></th>
<th></th>
</tr>
</tfoot>
</table>
<a class="btn btn-info pull-right add-record mt-2" data-added="0" title="Add Row" id="add_row"><i class="fa fa-plus"></i> Add Row</a>
</div>
</div>
</div>
<div class="modal-footer">
<div class="col-lg-12 text-right">
<button type="submit" class="btn btn-success"><i class="fas fa-download"></i> Save</button>
<button type="reset" class="btn btn-success"><i class="fas fa-eraser"></i> Clear</button>
<button type="button" class="btn btn-success" data-dismiss="modal"><i class="fa fa-window-close"></i> Close</button>
</div>
</div>
</form>
<div class="col-lg-12 mt-4 mb-3">
<div class="table-responsive">
<table class="table table-hover align-items-center customizable-table text-center" id="opening_invoice_table">
<thead class="thead-light">
<tr>
<th scope="col">Date</th>
<th scope="col">Detail</th>
<th scope="col">Invoice No</th>
<th scope="col">Amount</th>
<th scope="col">Action</th>
</tr>
</thead>
<tbody id="opening_invoice_table_body">
<tr>
<td><input type="date" class="form-control form-control-alternative date" name="opening_invoice[1][date]"></td>
<td><input type="text" class="form-control form-control-alternative detail" name="opening_invoice[1][detail]"></td>
<td><input type="text" class="form-control form-control-alternative invoice-no" name="opening_invoice[1][invoice_no]"></td>
<td><input type="number" class="form-control form-control-alternative amount" name="opening_invoice[1][amount]" min="0" step="any" placeholder="0.00"></td>
<td><a class="btn btn-sm delete-record btn-danger" id="delete_row"><i class="fas fa-trash-alt"></i></a></td>
</tr>
</tbody>
<tfoot>
<tr>
<th></th>
<th></th>
<th><label>Total Amount</label></th>
<th><input type="number" class="form-control form-control-alternative amount-calculate" name="total_amount" id="total_amount" placeholder="0.00" readonly></th>
<th></th>
</tr>
</tfoot>
</table>
<a class="btn btn-info pull-right add-record mt-2" data-added="0" title="Add Row" id="add_row"><i class="fa fa-plus"></i> Add Row</a>
</div>
</div>
</div>
<div class="modal-footer">
<div class="col-lg-12 text-right">
<button type="submit" class="btn btn-success"><i class="fas fa-download"></i> Save</button>
<button type="reset" class="btn btn-success"><i class="fas fa-eraser"></i> Clear</button>
<button type="button" class="btn btn-success" data-dismiss="modal"><i class="fa fa-window-close"></i> Close</button>
</div>
</div>
</form>
<div class="col-lg-12 mt-4 mb-3">
<div class="table-responsive">
<table class="table table-hover align-items-center customizable-table text-center" id="opening_invoice_table">
<thead class="thead-light">
<tr>
<th scope="col">Date</th>
<th scope="col">Detail</th>
<th scope="col">Invoice No</th>
<th scope="col">Amount</th>
<th scope="col">Action</th>
</tr>
</thead>
<tbody id="opening_invoice_table_body">
<tr>
<td><input type="date" class="form-control form-control-alternative date" name="opening_invoice[1][date]"></td>
<td><input type="text" class="form-control form-control-alternative detail" name="opening_invoice[1][detail]"></td>
<td><input type="text" class="form-control form-control-alternative invoice-no" name="opening_invoice[1][invoice_no]"></td>
<td><input type="number" class="form-control form-control-alternative amount" name="opening_invoice[1][amount]" min="0" step="any" placeholder="0.00"></td>
<td><a class="btn btn-sm delete-record btn-danger" id="delete_row"><i class="fas fa-trash-alt"></i></a></td>
</tr>
</tbody>
<tfoot>
<tr>
<th></th>
<th></th>
<th><label>Total Amount</label></th>
<th><input type="number" class="form-control form-control-alternative amount-calculate" name="total_amount" id="total_amount" placeholder="0.00" readonly></th>
<th></th>
</tr>
</tfoot>
</table>
<a class="btn btn-info pull-right add-record mt-2" data-added="0" title="Add Row" id="add_row"><i class="fa fa-plus"></i> Add Row</a>
</div>
</div>
</div>
<div class="modal-footer">
<div class="col-lg-12 text-right">
<button type="submit" class="btn btn-success"><i class="fas fa-download"></i> Save</button>
<button type="reset" class="btn btn-success"><i class="fas fa-eraser"></i> Clear</button>
<button type="button" class="btn btn-success" data-dismiss="modal"><i class="fa fa-window-close"></i> Close</button>
</div>
</div>
</form>
//To use them globally in the script. NOTE: Needs to be above the onload, otherwise javascript does not know the elements yet.
let trElement;
let tdElement;
let inputElement;
window.onload = onload();
function onload() {
//Create elements
trElement = document.createElement("tr");
tdElement = document.createElement("td");
inputElement = document.createElement("input");
//Set elements parameters
inputElement.type = "date";
inputElement.classList.add("form-control", "form-control-alternative", "date");
inputElement.name = "opening_invoice[1][date]";
//Appends
tdElement.append(inputElement);
trElement.append(tdElement);
document.getElementById("opening_invoice_table_body").appendChild(trElement);
//I do not have jQuery installed but you should create them like this:
// let inputElement = $('<input/>', {
// 'class': 'form-control form-control-alternative date'
// 'name': ...
// });
}
function createPartOfATable() {
console.log(inputElement.value);
}
<div class="col-lg-12 mt-4 mb-3">
<div class="table-responsive">
<table class="table table-hover align-items-center customizable-table text-center" id="opening_invoice_table">
<thead class="thead-light">
<tr>
<th scope="col">Date</th>
<th scope="col">Detail</th>
<th scope="col">Invoice No</th>
<th scope="col">Amount</th>
<th scope="col">Action</th>
</tr>
</thead>
<tbody id="opening_invoice_table_body">
<tr>
<td><input type="date" class="form-control form-control-alternative date" name="opening_invoice[1][date]"></td>
<td><input type="text" class="form-control form-control-alternative detail" name="opening_invoice[1][detail]"></td>
<td><input type="text" class="form-control form-control-alternative invoice-no" name="opening_invoice[1][invoice_no]"></td>
<td><input type="number" class="form-control form-control-alternative amount" name="opening_invoice[1][amount]" min="0" step="any" placeholder="0.00"></td>
<td><a class="btn btn-sm delete-record btn-danger" id="delete_row"><i class="fas fa-trash-alt"></i></a></td>
</tr>
</tbody>
<tfoot>
<tr>
<th></th>
<th></th>
<th><label>Total Amount</label></th>
<th><input type="number" class="form-control form-control-alternative amount-calculate" name="total_amount" id="total_amount" placeholder="0.00" readonly></th>
<th></th>
</tr>
</tfoot>
</table>
<a class="btn btn-info pull-right add-record mt-2" data-added="0" title="Add Row" id="add_row"><i class="fa fa-plus"></i> Add Row</a>
</div>
</div>
</div>
<div class="modal-footer">
<div class="col-lg-12 text-right">
<button type="submit" class="btn btn-success"><i class="fas fa-download"></i> Save</button>
<button type="reset" class="btn btn-success"><i class="fas fa-eraser"></i> Clear</button>
<button type="button" class="btn btn-success" data-dismiss="modal"><i class="fa fa-window-close"></i> Close</button>
</div>
</div>
</form>
请记住，我是用纯Javascript创建的，因为我当时没有安装jQuery。但是我写了一些关于你应该怎么做的例子。另外，jQuery文档为您提供了大量使用jQuery的信息。我可以找到答案，而且它运行良好。serialize用于通过AJAX将动态表数据数组发送到控制器
<div class="col-lg-12 mt-4 mb-3">
<div class="table-responsive">
<table class="table table-hover align-items-center customizable-table text-center" id="opening_invoice_table">
<thead class="thead-light">
<tr>
<th scope="col">Date</th>
<th scope="col">Detail</th>
<th scope="col">Invoice No</th>
<th scope="col">Amount</th>
<th scope="col">Action</th>
</tr>
</thead>
<tbody id="opening_invoice_table_body">
<tr>
<td><input type="date" class="form-control form-control-alternative date" name="opening_invoice[1][date]"></td>
<td><input type="text" class="form-control form-control-alternative detail" name="opening_invoice[1][detail]"></td>
<td><input type="text" class="form-control form-control-alternative invoice-no" name="opening_invoice[1][invoice_no]"></td>
<td><input type="number" class="form-control form-control-alternative amount" name="opening_invoice[1][amount]" min="0" step="any" placeholder="0.00"></td>
<td><a class="btn btn-sm delete-record btn-danger" id="delete_row"><i class="fas fa-trash-alt"></i></a></td>
</tr>
</tbody>
<tfoot>
<tr>
<th></th>
<th></th>
<th><label>Total Amount</label></th>
<th><input type="number" class="form-control form-control-alternative amount-calculate" name="total_amount" id="total_amount" placeholder="0.00" readonly></th>
<th></th>
</tr>
</tfoot>
</table>
<a class="btn btn-info pull-right add-record mt-2" data-added="0" title="Add Row" id="add_row"><i class="fa fa-plus"></i> Add Row</a>
</div>
</div>
</div>
<div class="modal-footer">
<div class="col-lg-12 text-right">
<button type="submit" class="btn btn-success"><i class="fas fa-download"></i> Save</button>
<button type="reset" class="btn btn-success"><i class="fas fa-eraser"></i> Clear</button>
<button type="button" class="btn btn-success" data-dismiss="modal"><i class="fa fa-window-close"></i> Close</button>
</div>
</div>
</form>
在执行ajax代码时，您是否收到任何错误或消息？这也是一个url：打开发票/创建一个真实的url？如果您在浏览器url中这样写：您的\u主机名/opening\u发票/create是否显示0个错误？在控制台和页面本身上？此外，您似乎正在执行POST请求，因此您将数据从javascript发布到其他内容。如果我理解您的问题，您希望将HTML数据转换为JavaScript。@实际上，我希望的是将可编辑表的值转换为var，并在提交表单时保存到数据库中。我尝试通过硬代码值传递数据。它正在工作。我已经在t中注释了变量
他的密码我自己可能不太清楚，但你的桌子在哪里？在javascript部分，或者是HTML中的标记。我看不出你想要什么数据进入一个variable@Allart我用图片编辑了我的问题。HTML部分用于表的第一行。用于动态添加部分的Javascript部分。啊，我明白了，我假设保存按钮不起作用？使用ajax调用