在html隐藏输入中传递更新的值


Passing the updated value in html hidden input

我正在做一个关于在线考试的项目,在这个项目中,管理员可以添加测试,之后它将在div中显示。在div中,它将显示所选测试的所有列表,因此,他可以通过简单地点击一个十字符号来删除任何测试。所以,我被困在这个过程中,如果我删除任何测试,之后我提交了一个表格,然后它显示了我所有的测试,包括删除的测试。下面是我的代码:

<?php  
    if(isset($_POST['addTest']))
    {  
        echo "<br>";
        echo "SELECTED TEST LIST";
        echo "<br>";
        echo '<div style="backfround:white;padding:5px;border:2px solid;overflow:scroll;height:100px;">';
        $fruitList = implode(', ', $_POST['jdb']);
        $jdStore = explode(',',$fruitList);
        $jdValueStore = ""; 
        for($i=0;$i<count($jdStore);$i++)
        {
            $testShowState = "select testId, testName from test where testId= '$jdStore[$i]'";
            $testShowQuery = mysql_query($testShowState);
            $testShowFetch = mysql_fetch_array($testShowQuery);
            echo  $jdValueStore[] =  "<div class='divClass'>
                                          <p>".$testShowFetch['testName']."</p>
                                          <img src='images/deletebttn.gif' alt='delete' class='deleteDiv' />
                                      </div>";
        }
        echo '</div>';
    } 
    $jdTotal = serialize($jdValueStore);
    $encoded = htmlentities($jdTotal);
?>
<input type="hidden" name="jdStoreValue" value="<?php echo $encoded; ?>">
<input type="submit" class="button add" value="Save" style="width:auto;" id="addSave" onclick="myAddSave()" name="myAddSave" >

在我获取值的页面上:

$jdStoreValue = unserialize($_POST['jdStoreValue']);
for($i=0;$i<count($jdStoreValue);$i++)
{
    echo $jdStoreValue[$i];
}

它向我展示了所有的测试。我不想要一个被删除的测试

将jquery onclick事件绑定到交叉按钮,这将减少删除考试的次数,并更新隐藏字段。

您应该删除序列化代码。

if(isset($_POST['addTest']))
{  
    echo "<br>";
    echo "SELECTED TEST LIST";
    echo "<br>";
    echo '<div style="backfround:white;padding:5px;border:2px solid;overflow:scroll;height:100px;">';
        $fruitList = implode(', ', $_POST['jdb']);
        $jdStore = explode(',',$fruitList);
        $jdValueStore = ""; 
        for($i=0;$i<count($jdStore);$i++)
        {      
            $testShowState = "select testId, testName from test where testId= '$jdStore[$i]'";
            $testShowQuery = mysql_query($testShowState);
            $testShowFetch = mysql_fetch_array($testShowQuery);
            echo '<input type="hidden" name="fruitList[]" value="'.$testShowFetch['testId'].'" />';
            echo  $jdValueStore[] =  "<div class='divClass'>
                <p>".$testShowFetch['testName']."</p>
                    <img src='images/deletebttn.gif' alt='delete' class='deleteDiv' />
                </div>";
         }
        echo '</div>';
} 
<input type="submit" class="button add" value="Save" style="width:auto;" id="addSave" onclick="myAddSave()" name="myAddSave" >