var selected = ${requestScope.xxxxForm.recordNumPerPage}
这样始终js错误,因为在第一次的时候requestScope.xxxxForm.recordNumPerPage为null。
var selected = “${requestScope.xxxxForm.recordNumPerPage}”
功能自动实现。
function getSelected(name){
var selects = document.getElementsByName(name);
var selected = “${requestScope.xxxxForm.recordNumPerPage}";
if(selected == undefined || selected == null || selected ==""){
return false;
}
for(var j = 0; j < selects.length; j++ ){
for(var i = 0; i = selects[j].length; i++){
if(selects[j].options[i].value == selected){
selects[j].options[i].selectd = true;
}
}
}
}
总之,在js中使用el表达式一定要使用双引号。