我想在jsp中使用javascript for loop variable dynamic

Question

如何在jsp表达式标记中使用多个for循环变量

<script>
for(var a=0;a<dir.length;a++){
   document.getElementById(a).innerHTML = dir[a];
}
for(var r=0;r<dir.length;r++){
   document.getElementById(r).innerHTML = dir[r];
}
</script>

在这里，我想使用

 <%for(int i=0;i<imei_no.length;i++){%>
    <span id = "<%=a>"/>//how can assign variable a for dynamic
    <span id = "<%=r>"/>//how can assign variable r for dynamic
    <%}%>

Answer 1

<% for(int i=0;i<imei_no.length();i++){
          out.print("<span id = \"" + a + "\"/>");
          out.print("<span id = \"" + r + "\"/>");
    }%>