有很多方法,举一个简单的例子:function check(s1,s2){ var y1=parseInt(s1.substring(0,4)); var y2=parseInt(s2.substring(0,4)); var m1=parseInt(s1.substring(4,6)); var m2=parseInt(s2.substring(4,6)); var di=12*(y1-y2)+(m1-m2); if(di==6||di==-6){return true;} return false; }
reg.exec(_date2); var y2 = RegExp.$1, m2 = RegExp.$2, d2 = RegExp.$3; study 问题的关键是把需要的字段截取出来
var _date1 = Math.max(date1, date2),
_date2 = Math.min(date1, date2),
reg = /^(\d{4})(\d{2})(\d{2})$/;
reg.exec(_date1);
var y1 = RegExp.$1,
m1 = RegExp.$2,
d1 = RegExp.$3;
reg.exec(_date2);
var y2 = RegExp.$1,
m2 = RegExp.$2,
d2 = RegExp.$3;
if(y1 === y2){
if(m1 - m2 > 6){
return true;
}else if(m1 - m2 === 6){
return (d1 >= d2) ? true : false;
}else{
return false;
}
}else if(y1 > y2){
return true;
}
}
var str1 = "20110702",
str2 = "20110102";
alert(checkDate(str1, str2));
var y1=parseInt(s1.substring(0,4));
var y2=parseInt(s2.substring(0,4));
var m1=parseInt(s1.substring(4,6));
var m2=parseInt(s2.substring(4,6));
var di=12*(y1-y2)+(m1-m2);
if(di==6||di==-6){return true;}
return false;
}
var y2 = RegExp.$1,
m2 = RegExp.$2,
d2 = RegExp.$3;
study
问题的关键是把需要的字段截取出来