Dcat Admin Custom Table: Click to add data function to explain it in detail

This article describes how to implement custom tables in Dcat Admin (based on Laravel Admin), allowing users to click buttons to add data, and include custom input fields (for example: ID, quantity, color selection).

Scenario requirements

Dcat Admin's built-in tables are powerful, but sometimes require more flexible customization features, such as dynamically adding table rows and adding specific input boxes and selectors for each row.

Implementation plan

We will implement this by combining front-end JavaScript and back-end Laravel controllers.

1. Front-end table structure (Blade template)

First, create a table structure in your Dcat Admin view, including the ID input box, the Add button, and the table itself. It is recommended to use a suitable CSS framework to beautify the interface.

<div class="box">
    <div>
        ID:<input type="text" id="idInput">
        <button id="addButton">Add to</button>
    </div>
    <table id="dataTable">
        <thead>
            <tr>
                <th>ID</th>
                <th>quantity</th>
                <th>color</th>
            </tr>
        </thead>
        <tbody></tbody>
    </table>
</div>

2. Front-end JavaScript event processing

Use JavaScript to process button click events, send Ajax requests to the backend to get data, and dynamically add them to the table.

 document.getElementById('addButton').addEventListener('click', function() {
    const id = document.getElementById('idInput').value;
    if (id) {
        axios.get('/your-api-endpoint/' id)
            .then(response => {
                addRowToTable(response.data);
            })
            .catch(error => {
                console.error('Error:', error);
                // Handle errors, such as displaying error prompt information});
    }
});

function addRowToTable(data) {
    const tableBody = document.getElementById('dataTable').querySelector('tbody');
    const newRow = tableBody.insertRow();

    const idCell = newRow.insertCell();
    const quantityCell = newRow.insertCell();
    const colorCell = newRow.insertCell();

    idCell.textContent = data.id; // Assume that the data returned by the backend contains the id field quantityCell.innerHTML = `<input type="number" value="1"> `; // Add quantity input box colorCell.innerHTML = `<select><option value="red"> red</option>
<option value="blue"> blue</option></select> `; // Add color selector}

3. Backend Laravel controller

Create a Laravel controller method to process Ajax requests and return data.

 <?php namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Models\YourModel; // Replace with your data model class YourController extends Controller
{
    public function getData(Request $request, $id)
    {
        $data = YourModel::find($id); // Get data from the database and adjust it according to your model if ($data) {
            return response()->json($data);
        } else {
            return response()->json(['error' => 'Data not found'], 404);
        }
    }
}

4. Dcat Admin routing and controller registration

Register API routes in your Dcat Admin route file:

 Route::get('/your-api-endpoint/{id}', [\App\Http\Controllers\Admin\YourController::class, 'getData']);

5. Integrate to Dcat Admin

In your Dcat Admin controller, use view() method to render the Blade template containing the above code.

Through the above steps, you can implement the custom click-add data table function in Dcat Admin. Remember to replace /your-api-endpoint and YourModel for your actual API endpoint and data model. For a better user experience, it is recommended to add error handling and data verification mechanisms.

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