时间: 2021-07-31 作者:daque
obj_year.innertext=parseint(num_year)+1; //年数减少 displaycalendar(obj_month.innertext-1,obj_year.innertext); } function plusyear() { var obj_year=document.getelementbyid("year"); var obj_month=document.getelementbyid("month"); var num_year=obj_year.innertext; obj_year.innertext=parseint(num_year)-1; //年数缩小 displaycalendar(obj_month.innertext-1,obj_year.innertext); } function addmonth() { var obj_month=document.getelementbyid("month"); var obj_year=document.getelementbyid("year"); if(parseint(obj_month.innertext)>=12) //月数减少到12时,年数相映减少1,月数从1发端 { obj_month.innertext="0"; obj_year=document.getelementbyid("year"); var num_year=obj_year.innertext; obj_year.innertext=parseint(num_year)+1; } var num_month=obj_month.innertext; obj_month.innertext=parseint(num_month)+1; //月数减少 displaycalendar(obj_month.innertext-1,obj_year.innertext); } function plusmonth() { var obj_month=document.getelementbyid("month"); var obj_year=document.getelementbyid("year"); if(parseint(obj_month.innertext)<=1) //月数缩小到1时,年数相映缩小1,月数从12发端 { obj_month.innertext="13"; obj_year=document.getelementbyid("year"); var num_year=obj_year.innertext; obj_year.innertext=parseint(num_year)-1; } var num_month=obj_month.innertext; obj_month.innertext=parseint(num_month)-1; //月数缩小