通过Ajax将数据发送到Laravel中的控制器时，数据为空

$.ajax({
    url: '/your-endpoint',
    type: 'POST',
    data: { key: 'value' },
    success: function(response) {
        console.log(response);
    },
    error: function(xhr, status, error) {
        console.error(error);
    }
});

public function store(Request $request)
{
    $data = $request->all();
    // 处理数据
    return response()->json(['status' => 'success', 'data' => $data]);
}

$.ajaxSetup({
    headers: {
        'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
    }
});

// 控制器不需要特别处理CSRF，Laravel会自动验证

$.ajax({
    url: '/your-endpoint',
    type: 'POST',
    contentType: 'application/json',
    data: JSON.stringify({ key: 'value' }),
    success: function(response) {
        console.log(response);
    },
    error: function(xhr, status, error) {
        console.error(error);
    }
});

public function store(Request $request)
{
    $data = json_decode($request->getContent(), true);
    // 处理数据
    return response()->json(['status' => 'success', 'data' => $data]);
}