我是这样写的:
function CListBox() {
var List = document.getElementById("ListBox");
var edit1=document.getElementById("uname");
var edit2=document.getElementById("utype");
var edit3=document.getElementById("ucust");
for (var i = 0; i < List.options.length; i++) {
if (List.options[i].selected == true) {
arr=List.options[i].value.split("/");
edit1.value=arr[0];
edit2.value=arr[1];
edit3.value=arr[2];
}
}