复制代码 代码如下:
<script type="text/javascript">
function GetValue() {
var strlist = document.getElementById("ListBox1");//获取Listbox
var str= "";
//遍历Listbox，取得选中项的值
if (strlist.options.length > 0) {
for (var i = 0; i < strlist.options.length; i++) {
if (strlist.options[i].selected == true) {
var j = strlist.options[i].value;
str+=j+","; //把Value值串起来
}
}
var strValue=str.replace(/,$/, ""); //去掉最后一个逗号
alert(strValue);
}
else {
alert("No Item in Listbox");
}
}
</script>
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