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我正在制作一个 API 程序，在写下公司名称后，您应该得到与您所写名称相似的所有公司。点击回车后，会弹出一个模式弹出窗口，其中包含所有公司的列表，然后您选择一个并单击其下方的按钮，然后模式将关闭，所有数据都将在表单中。

我被一个问题困住了，我无法在任何地方找到解决方案，或者缺乏实施它的技能。

弹出窗口中的按钮不起作用，原因是我需要在 javascript 中定义的那个按钮尚未加载，之后我不知道如何再次定义它。我想我需要做一些onload活动，但不知道怎么做。

因此，如果有人有答案，我将不胜感激，如果您愿意与我分享。

索引.php：

div>
<h2>HTML Forms</h2>
ICO： 
  <tr>
    <td>Firma:</td>
    <td><input class="prvek_fakturacni_firma" type="text" name="firma" id="firma"/></td>
  </tr>


  <tr>
    <td>Adresa: </td>
    <td><input  type="text" name="firma-adresa" id="firma-adresa"/></td>
  </tr> 

  <!-- Trigger/Open The Modal -->
  <input type="submit" id="myBtn" value="Search"/>
</div>
  

<!-- The Modal -->
<div id="myModal" class="modal">

  <!-- Modal content -->
  <div class="modal-content">
    <span class="close">&times;</span>

    <div id="firma_pass"></div>
    
    <?php include_once 'data.php'; ?>
    
  </div>

</div>

数据.php：

$q = $_REQUEST['id'];
$q = str_replace(" ", "%20", $q);


$ares_ico = "";
$ares_firma = "";
$ares_adresa    = "";



//$file = @file_get_contents("http://wwwinfo.mfcr.cz/cgi-bin/ares/darv_bas.cgi?ico=70994226");
$httpString = "http://wwwinfo.mfcr.cz/cgi-bin/ares/darv_std.cgi?obchodni_firma=$q";

$file = @file_get_contents( $httpString );

if($file)
{
  $xml = @simplexml_load_string($file);
}

if($xml) 
{
  echo $xml;
  $ns = $xml->getDocNamespaces();
  $data = $xml->children($ns['are']);
  $ss = $xml->children($ns['are'])->Odpoved;
  $el = $data->children($ns['are'])->Zaznam;
}

foreach( $el as $x) {
?>
<div class="obal_radku_ares">

  <div class="radek_udaju_z_ares">
    <h5>ICO:</h5>
    <div id="div_fakturacni_ico" class="polozka_udaje_z_ares"><?php $ares_ico = $x->ICO; echo $ares_ico  ?></div>
  </div>

  <div class="radek_udaju_z_ares">
    <h5>Firma:</h5>
    <div id="div_fakturacni_firma" class="polozka_udaje_z_ares"><?php  $ares_firma = $x->Obchodni_firma; echo $ares_firma; ?></div>
  </div>

  <button type="button" id="tl_ares_vlozit" name="tl_ares_vlozit">Vložit do formuláře</button>
</div>



 <?php
  }
 ?>

处理程序.js：

// Get the modal
var modal = document.getElementById("myModal");

// Get the button that opens the modal
var btn = document.getElementById("myBtn");



// Get the <span> element that closes the modal
var span = document.getElementsByClassName("close")[0];

// When the user clicks the button, open the modal 
btn.onclick = function() {
modal.style.display = "block";

var firma = $("#firma").val();
ajaxStranka(firma);

}

// When the user clicks on <span> (x), close the modal
span.onclick = function() {
modal.style.display = "none";
}

// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
 if (event.target == modal) {
    modal.style.display = "none";
 }
}



function ajaxStranka(something) {

var xmlhttp = new XMLHttpRequest();


console.log( "sending " + something );
xmlhttp.open('GET', "data.php?id=" + something, true);
xmlhttp.send();

xmlhttp.onreadystatechange = function() {

  if (this.readyState == 4 && this.status == 200) {
    dataResponse = this.responseText;
    console.log( "given back " + dataResponse );

    $("#firma_pass").html(dataResponse);
  } 
 };




 }

 btn.onload = function() {

 var insertSome = document.getElementById("tl_ares_vlozit");

  insertSome.onclick = function() 
    {
      console.log( "button pressed " );
      //vloz nactene hodnoty z ARES do formulare
        var hodnota_firma = $("#div_fakturacni_firma").text();
        var hodnota_ico = $("#div_fakturacni_ico").text();

        $(".prvek_fakturacni_firma").val(hodnota_firma);
        $(".prvek_fakturacni_ico").val(hodnota_ico);
      

        modal.style.display = "none";
    }

   }
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