<form action="" method="post">
<select name="aa">
<option value="1">1</option>
<option value="2">2</option>
</select>
</form>
这个表单里通过onchange事件提交数据,根据这个值查询数据如何实现,请高手指教
<select name="aa">
<option value="1">1</option>
<option value="2">2</option>
</select>
</form>
这个表单里通过onchange事件提交数据,根据这个值查询数据如何实现,请高手指教
<select name="aa" onchange="fun()">
<option value="1">1</option>
<option value="2">2</option>
</select>
</form><script>
function fun(){
document.getElementById("form").submit();
}
</script>
<select name="aa" onchange="this.form.submit">
<option value="1">1</option>
<option value="2">2</option>
</select>
</form>phpecho $_POST['aa'];