input覆盖select实现可输入下拉框

来源：互联网发布：sql数据库实训报告编辑：程序博客网时间：2024/05/22 01:34

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML>
<HEAD>
<META http-equiv='Content-Type' content='text/html; charset=gb2312'>
<TITLE>js实现可输入的下拉框</TITLE>
<style type="text/css">
div{
display:inline;
}
</style>
</HEAD>
<BODY>
<p>
<div><label>试试：</label></div>
<div style="position:relative;">
<span style="margin-left:100px;width:18px;overflow:hidden;">
<select style="width:118px;margin-left:-100px" onchange="this.parentNode.nextSibling.value=this.value">
<option value="德国">德国</option>
<option value="挪威">挪威</option>
<option value="瑞士"> 瑞士</option>
</select></span><input name="box" style="width:100px;position:absolute;left:0px;">
</div>
</p>
</BODY>

</HTML>

注：有时margin在一些浏览器中不起作用，则可用padding属性来代替，具体的需要自己去调试

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