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我有兩個下拉列表之一是依賴於其他如果一個值選擇另一個從數據庫負載相同的值。例如,如果我選擇一個國家其他負載相同的城市那個國家。在PHP和jQuery中,使一個下拉菜單依賴於另一個下拉列表?
<select name="A" class="input_text" id="A">
<?php
include 'config/config.php';
$sql="SELECT * FROM department ORDER BY Dept ASC";
$result=mysql_query($sql);$options="";
while ($row=mysql_fetch_array($result)){
$did=$row["DeptCode"];
$depts=$row["Dept"];
$options.="<OPTION value='$did'>".$depts;}?>
<option value="0">Select...</option>
<?php echo $options; ?>'
</option>
</select>
<select name="B" class="input_text" id="B">
<?php
include 'config/config.php';
$sql="SELECT * FROM department WHERE DeptCode=$dpttitle";
$result=mysql_query($sql);$options="";
while ($row=mysql_fetch_array($result)){
$did=$row["DeptCode"];
$depts=$row["Dept"];
$options.="<OPTION value='$did'>".$depts;}?>
<option value="0">Select...</option>
<?php echo $options; ?>
</option>
</select>
<script type="text/javascript">
A.onblur = function() {
B.value = this.value;};
</script>
你的問題是什麼? – vher2 2013-05-13 03:51:38
請說明問題清楚.. !!並顯示你試過的代碼.. – 2013-05-13 03:53:28
我已經編輯上面的代碼,現在好心幫我 – 2013-05-13 04:09:09