[英]Storing ID, not Name on DB when using Dependent Dropdown - Laravel/JS
我正在使用依賴下拉列表 select。 我試圖從列表中獲取值名稱以存儲在我的數據庫中,但我只獲得索引(數字)。 如何解決這個問題? 你能幫助我嗎?
我有這些代碼:
HTML
<div class="form-group col-md-4">
<label for="state">State:</label>
<select name="state"class="form-control state" id="state" onchange="ChangecatList()" required >
<option selected>Select State...</option>
@foreach($state as $k => $v)
<option value="{{$k}}" name="$key">{{ $k }}</option>
@endforeach
</select>
</div>
<div class="form-group col-md-4">
<label for="city">City/ City:</label>
<select class="form-control city" id="city" placeholder="City" name="city"></select>
</div>
JS
var catAndActs = {};
catAndActs['AC'] = ['City1','City2'];
function ChangecatList() {
var catList = document.getElementById("state");
var actList = document.getElementById("city");
var selCat = catList.options[catList.selectedIndex].value;
while (actList.options.length) {
actList.remove(0);
}
var cats = catAndActs[selCat];
if (cats) {
var i;
for (i = 0; i < cats.length; i++) {
var cat = new Option(cats[i], i);
actList.options.add(cat);
}
}
}
我正在使用 Laravel 6 - 當我調試 -> dd($request) 時,它顯示我正在獲取索引。
LARAVEL
+request: Symfony\Component\HttpFoundation\ParameterBag {#52 ▼
#parameters: array:14 [▼
"_token" => "kYkq2DhQ7v5XPjY8Aql7gPu5uWnoDYIxRDQXGza2"
"state" => "AC"
"city" => "7" // <- here
只需將值作為第二個參數即可獲取城市為值,如下圖
var cat = new Option(cats[i], cats[i]);
您可能會發現此處記錄的構造函數https://developer.mozilla.org/en-US/docs/Web/API/HTMLOptionElement/Option
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