这个问题我们用JS来实现。
<html>
<head>
<title>Example</title>
<script language="javascript">
function loadFinish() {
var version = "{{page}}";
document.getElementById("option"+page).selected = "selected";
}
function gotoUrl()
{
var pageNumber=document.getElementById("selectPageNumber").value;
window.location.href="/editionbk/editionbk/?page="+pageNumber;
}
</script>
</head>
<body>
<select id="selectPageNumber" οnchange="gotoUrl();" >
<option id="option1" value="1" >1</option>
<option id="option2" value="2" >2</option>
<option id="option3" value="3" >3</option>
</select>
</body>
</html>
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