<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<select id="objsel" name="objsel" size=8 multiple>
<option value="0" selected>请选择
<option value="1">测试一
<option value="2">测试二
<option value="3">测试三
<option value="4">测试四
<option value="5">测试五
</select>
<input type="button" onclick="checkselect();" value="输出">
选中的项目：<input type="text" id="output" name="output">
</body>
</html>
<script language="JavaScript">
function checkselect(){
var x = document.getElementById("objsel");
var t = document.getElementById("output");
var count=0;
var intvalue="";
for(i=0;i<x.length;i++){
if(x.options[i].selected){
intvalue+=x.options[i].value+",";
count++;
}
}
t.value=intvalue.substr(0,intvalue.length-1);
// alert(count);
}
</script>
效果图：
时间： 2024-10-26 10:26:24