//出生年月日处理
var csny= stuInfo.csny;
var csnyArr=csny.split("-");
var birthYear = csnyArr[0];
var birthMonth = csnyArr[1];
var birthDay = csnyArr[2];
//当前年月日处理
var nowDate = new Date();
var nowYear = nowDate.getFullYear();
var nowMonth = nowDate.getMonth() + 1;
var nowDay = nowDate.getDate();
if(nowMonth>birthMonth){
alert(nowYear-birthYear);
}else if((nowMonth-birthMonth==0)&&nowDay>=birthDay){
alert(nowYear-birthYear);
}else{
alert(nowYear-birthYear-1);复制代码根据出生日期计算年龄
转载于:https://juejin.im/post/5c6635f16fb9a04a0c2ef758