例如指定11点刷新
setInterval(function() {
var myDate = new Date();
var a=myDate.getHours(); //获取当前小时数
var b = myDate.getMinutes(); //获取当前分钟数(0-59)
var c = myDate.getSeconds(); //获取当前秒数(0-59)
var d =a+":" b + ":" + c;
if (d == "11:00:00") {
location.reload();
}
}, 1000);