我如何才能使数组中的按钮只对其作出响应'使用javascript的自己的包装器

How can I make a button inside an array respond to only it's own wrapper using javascript?

本文关键字:响应 使用 包装 自己的 javascript 数组 按钮      更新时间:2023-09-26

希望有人能帮我解决这个问题,如果我没有正确描述这个问题,请原谅我。英语不是我的第一语言。

我的代码脚本使用数组函数从数据库中加载所有内容。我创建了一个包装器DIV,根据结果的数量,它最多包含5个内部DIV。如果脚本从数据库中加载4个结果,则会创建4个内部div。如果脚本从数据库中加载17个结果,则会创建17个内部div,等等

每页包含5个内部div。每当上一个包装器div被完全填充时,它就会自动创建一个新的包装器div(因此,如果结果=17,我就有4个包装器divs,即)

现在,每个包装器都包含多个函数,如关闭按钮、打印按钮等。我已经创建了这段代码,只要只有1个包装器,它就可以正常工作。但是,只要有多个包装器div,就什么都不起作用。

我知道问题是因为身份证必须是唯一的。但是,我如何调整这些代码以使javascript开始工作呢?例如,如果我单击包装器2的关闭按钮,那么只有包装器2会关闭,而不是所有的包装器都会关闭?

到目前为止我拥有的代码

  var wrapper_programmaker = document.getElementsByClassName('wrapper_programmaker');
        for (var g = 1; g < wrapper_programmaker.length; g++) {
            var expanded[g] = true;
            document.getElementById("kolom_trigger"+[g]).onclick = function() {
               if (!expanded[g])
                {
                    expanded[g] = true;
                    $("#kolomInstellen"+[g]).hide(1000);
                }
                else
                {
                    expanded[g] = false;
                    $("#kolomInstellen"+[g]).show(1000);
                };
           };
           document.getElementById("kolom1_trigger"+[g]).onclick = function() {
                document.getElementById('kolom1'+[g]).style.width = 'auto';
                $("#kolom2"+[g]).hide();
            };
            document.getElementById("kolom2_trigger"+[g]).onclick = function() {
                document.getElementById('kolom1'+[g]).style.width = '41%';
                $("#kolom2"+[g]).show();
            };
            document.getElementById("closeBTN"+[g]).onclick = function() {
                if (!expanded[g])
                {
                    expanded[g] = true;
                    $("#kolomInstellen"+[g]).hide(1000);
                }
                else
                {
                    expanded[g] = false;
                    $("#kolomInstellen"+[g]).show(1000);
                };
            };
        }

这是PHP:

<? $sql_actCount = mysqli_query($mysqli, "SELECT DISTINCT datum FROM activiteiten WHERE programmaID=$programmaID");
$rowcount_actCount=mysqli_num_rows($sql_actCount);
$page_rows = 5;
$last = ceil($rowcount_actCount/$page_rows);
for ($x = 1; $x <= $last; $x++) {
    $max = 'limit ' .($pagenum - 1) * $page_rows .',' .$page_rows;
    if ($pagenum < 1) 
    { 
    $pagenum = 1; 
    } 
    elseif ($pagenum > $last) 
    { 
    $pagenum = $last; 
    } 
    $pagenum++;
?>
<div class="wrapper_programmaker">
  <div class="main_programmaker" style="background-image:url(../images/programmaBG_<? echo $taal; ?>_<? echo $seizoen; ?>.jpg); background-repeat:no-repeat; background-size:contain;">
    <div class="programmaker_content_activiteiten">
        <? $sql_data = mysqli_query($mysqli, "SELECT * FROM activiteiten WHERE programmaID=$programmaID GROUP BY datum ORDER BY datum ASC $max"); 
        while($rows_data=mysqli_fetch_array($sql_data,MYSQLI_ASSOC)){
            $nlDatum = $rows_data['datum'];
            if ($taal == 'NL') {
                setlocale(LC_ALL, 'nl_NL.UTF8');
                $convertDatum = (strftime('%e %B %Y',strtotime($nlDatum)));
            }
            if ($taal == 'DE') {
                setlocale(LC_ALL, 'de_DE.UTF8');
                $convertDatum = (strftime('%e. %B %Y',strtotime($nlDatum)));
            }
            if ($taal == 'EN') {
                setlocale(LC_ALL, 'en_EN.UTF8');
                $convertDatum = (strftime('%B %e, %Y',strtotime($nlDatum)));
            }
            if ($taal == 'FR') {
                setlocale(LC_ALL, 'fr_FR.UTF8');
                $convertDatum = (strftime('%e %B %Y',strtotime($nlDatum)));
            }
        ?>
        <div class="programmaker_content_kolom">
        <font class="programmaker_content_datum">
        <? echo $convertDatum ?>
        </font>
        <br>
            <? $single_datum = $rows_data['datum'];
            $sql_single_act = mysqli_query($mysqli, "SELECT * FROM activiteiten WHERE programmaID=$programmaID AND datum='$single_datum' ORDER BY van ASC");
            while($rows_single_act=mysqli_fetch_array($sql_single_act,MYSQLI_ASSOC)){
                $activiteitID = $rows_single_act['id'];
                $activiteitTitel = $rows_single_act['titel'];
            ?>
            <a href="#" class="noline">
            <div class="programmaker_content_blok">
            <font class="programmaker_content_titel">
            <? $sql_vertaal_titel = mysqli_query($mysqli, "SELECT * FROM vertalingen WHERE NL='$activiteitTitel'");
            $result_vertaal_titel = mysqli_fetch_assoc($sql_vertaal_titel);
            echo $result_vertaal_titel[$taal]; ?>
            </font>
            <br>
            <font class="programmaker_content_tijd">
            <? echo $rows_single_act['van']; ?> - <? echo $rows_single_act['tot']; ?>
            </font>
            <br>
            <font class="programmaker_content_trefpunt">
            <? $origNL = $rows_single_act['verzamelpunt'];
            $sql_trefpunt = mysqli_query($mysqli, "SELECT * FROM verzamelpunten WHERE NL='$origNL'");
            $result_trefpunt = mysqli_fetch_assoc($sql_trefpunt);
            if ($result_trefpunt[$taal] != '') {
                echo $result_trefpunt[$taal]; 
            } else {
                echo '&nbsp;';
            }?>
            </font>
            </div>
            </a>
            <div style="position:relative; width:100%; right: 10%; bottom: 35px;">
            <table width="100%">
            <tr>
            <td width="50%">&nbsp;
            </td>
            <td width="16%">
            <? $bedragenID = $rows_single_act['bedragenID']; 
            $sql_bol_bedrag = mysqli_query($mysqli, "SELECT * FROM programmabol_bedragen WHERE id=$bedragenID");
            $result_bol_bedrag = mysqli_fetch_assoc($sql_bol_bedrag);
            ?>
            <img src="../images/<? echo $result_bol_bedrag['url']; ?>.png" width="100%">
            </td>
            <td width="16%">
            <? $leeftijdenID = $rows_single_act['leeftijdenID']; 
            $sql_bol_leeftijden = mysqli_query($mysqli, "SELECT * FROM programmabol_leeftijden WHERE id=$leeftijdenID");
            $result_bol_leeftijden = mysqli_fetch_assoc($sql_bol_leeftijden);
            ?>
            <img src="../images/<? echo $result_bol_leeftijden['url']; ?>.png" width="100%">
            </td>
            <td width="16%">
            <? $themasID = $rows_single_act['themasID']; 
            $sql_bol_themas = mysqli_query($mysqli, "SELECT * FROM programmabol_themas WHERE id=$themasID");
            $result_bol_themas = mysqli_fetch_assoc($sql_bol_themas);
            ?>
            <img src="../images/<? echo $result_bol_themas['url']; ?>.png" width="100%">
            </td>
            </tr>
            </table>
            </div>
            <? } ?>
        </div>
        <? } ?>
        </div>
  </div>
  <div class="kolomWrapper">
    <div id="kolom1" data-id="<? echo $x; ?>">
    <font class="programmaker_content_trefpunt">
    1 kolom - 1 kolom - 1 kolom - 1 kolom - 1 kolom - 1 kolom - 1 kolom - 1 kolom - 1 kolom - 1 kolom - 1 kolom - 1 kolom - 1 kolom - 1 kolom - 1 kolom - 
    </font>
    </div>
    <div id="kolom2" data-id="<? echo $x; ?>">
    <font class="programmaker_content_trefpunt">
    2 kolom - 2 kolom - 2 kolom - 2 kolom - 2 kolom - 2 kolom - 2 kolom - 2 kolom - 2 kolom - 2 kolom - 
    <font class="programmaker_content_trefpunt">
    </div>
  </div>
  <div class="kolomPick" align="center" data-id="<? echo $x; ?>">
      <font class="kolomtitel">
      Kolommen
      </font>
      <br>
      <table width="100%">
      <tr>
      <td width="50%">
      <div style="width:100%">
      <img class="kolom1_trigger" src="../images/Kolom_1.png" width="100%" data-id="<? echo $x; ?>">
      </div>
      </td>
      <td width="50%">
      <div style="width:100%">
      <img class="kolom2_trigger" src="../images/Kolom_2.png" width="100%" data-id="<? echo $x; ?>">
      </div>
      </td>
      </tr>
      </table>
      <img src="../images/close_<? echo $kleur; ?>.png" width="15px" style="position:absolute; top:5px; right:5px" class="closeBTN">
  </div>
  <img src="../images/Kolom_trigger.png" style="width:2%; z-index:997; position:absolute; top: 51.5%; left:29.3%;" id="kolom_trigger" data-id="<? echo $x; ?>">
</div>
<? } ?>
</div>

我知道这不是一个完整的答案,但你的PHP/HTML太乱了;还有很多,为你清理。

如果你把枚举的id变成css类,你的代码可能看起来像这样:
您已经使用jQuery进行转换了,为什么不充分利用它呢。

var $wrapper_programmaker = $('.wrapper_programmaker')
    .on('click', '.kolom_trigger, .closeBTN', function(e){
        //these two buttons seem to execute the same code/logic, 
        //just at the opposite ends of the state/animation
        $('.kolomInstellen', e.delegateTarget).toggle(1000);
    })
    .on('click', '.kolom1_trigger', function(e){
        $('.kolom1', e.delegateTarget).width('auto');
        $('.kolom2', e.delegateTarget).hide();
    })
    .on('click', '.kolom2_trigger', function(e){
        $('.kolom1', e.delegateTarget).width('41%');
        $('.kolom2', e.delegateTarget).show();
    });
//close every .kolomInstellen except of the first   
$wrapper_programmaker.not(':first').find('.kolomInstellen').hide();

同时管理所有包装器。

免责声明:这个JS片段不适用于您当前的标记,因为它依赖于类而不是枚举的id
然后,此代码基于您的JS代码,以及转换id后html的估计结构
因此,在修复标记后,它可能需要一些调整。

TODO:

  • 将枚举的id转换为(非枚举的)css类
  • 您应该修复php文件中的缩进,使其他人更容易阅读/理解它
  • 然后,plz删除内联样式,并将它们放入css文件中
  • 您应该将按钮(wich当前为图像)转换为div,并将图标设置为背景图像

尽管后两种方法没有必要,但这将是一种更干净的方法
样式属于CSS文件
这提高了标记的可读性(因为它没有杂乱的样式),并且更易于维护。