使用Javascript在文本更改事件上计算年龄 [英] Calculate Age using Javascript on text Change event

问题描述

Hai，

我有一个Ajax datepicker扩展器，带有一个Textbox，可以在我的aspx页面中选择出生日期。我想在有人输入或选择上述文本框中的日期时计算年龄，并将其显示在标签中。我用Google搜索了一下。但我无法得到一个完美的。我在服务器端完成了它。但为了避免回发，我希望它在客户端本身完成。我的日期时间格式是dd-MMM-yyyy..

请帮帮我...

谢谢。

Hai,
I have a Ajax datepicker extender with a Textbox to select Date of Birth in my aspx page. I want to calculate Age when some one enter or select a date in the above mentioned textbox and should display it in a label. I googled it. But I couldnt get a perfect one. I have done it in server side. But to avoid postback I want it to be done in the client side itself. My datetime format is "dd-MMM-yyyy"..
Please help me...
Thank you.

推荐答案

您需要创建一个简单的日期差异函数;见这里的例子。 http://ditio.net/2010/05/02/javascript-date-difference-calculation / [ ^ ]



从控件中读取值，获取当前日期，并进行计算..........

You need to create a simple date diff function; See examples here. http://ditio.net/2010/05/02/javascript-date-difference-calculation/[^]

Read the value from the control, get the current date, and do the calc..........

javascript函数下面将从2个日期值计算年龄。请记住日期值应为DD / MM / YYYY格式。

Below javascript function will calculate age from 2 date values. Remember date values should be in DD/MM/YYYY format.

function CalculateAge(TodaysDate,NewDate) // Pass date in DD/MM/YYYY Format
{
   var day1 = parseInt(TodaysDate.substring(0,2),10);
   var mon1 = parseInt(TodaysDate.substring(3,5),10);
   var yr1 = parseInt(TodaysDate.substring(6,10),10);
   var day2 = parseInt(NewDate.substring(0,2),10);
   var mon2 = parseInt(NewDate.substring(3,5),10);
   var yr2 = parseInt(NewDate.substring(6,10),10);
   var diff1 = parseInt(yr1 - yr2);
   var diff2 = parseInt(mon1 - mon2);
   var diff3 = parseInt(day1 - day2);
   if(diff2 <0)
   {
   diff1 = diff1-1;
   diff2 = diff2+12;
   }
   if(diff3 <0)
   {
   diff2 = diff2-1;
   if(diff2<0)
   {
   diff1 = diff1-1;
   diff2 = diff2+12;
   }
   }
   var strAge = diff1+"."+diff2;
   return parseFloat(strAge);
}

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