<script type="text/javascript">function GetDateStr(AddDayCount) {    var dd = new Date();    dd.setDate(dd.getDate()+AddDayCount);//获取AddDayCount天后的日期    var y = dd.getFullYear();    var m = dd.getMonth()+1;//获取当前月份的日期    var d = dd.getDate();    return y+"-"+m+"-"+d;}document.write("前天："+GetDateStr(-2));document.write("<br />昨天："+GetDateStr(-1));document.write("<br />今天："+GetDateStr(0));document.write("<br />明天："+GetDateStr(1));document.write("<br />后天："+GetDateStr(2));document.write("<br />大后天："+GetDateStr(3));</script>