1.使用js时，如何获取系统当前时间并且得到格式为"yyyy年MM月"的日期；
1 var newdate = new Date();
2 var nowyear = newdate.getFullYear(); 3 var nowmonth = newdate.getMonth()+1; 4 if (nowmonth >= 1 && nowmonth <= 9) { 5 nowmonth = "0" + nowmonth; 6 } 7 var sysTsuki = nowyear + "年" + nowmonth + "月";