只有两个select的验证，后面会逐步加上其他的验证
$('#grade,#time').live('change', function() {
if(($("#grade").val().length==0)||($("#time").val().length==0)){
$("#submit").attr("disabled","disabled");
}else{
$("#submit").removeAttr("disabled");
}
});
【上篇】Easily access missing interface tab options in Lucid with InterfaceTab
【下篇】Android_adb command not found
【下篇】Android_adb command not found