....很简单的.
var str:String = "2014-01-21";var date:Date = new Date(str);returnDate["month"] += 1;//月+1...就是2014-02-01 -=1就是2013-12-01 [""]中间是字符串变量,可以是"fullyear"年,"month"月,"date"日,"hours"小时等,"minutes","seconds","milliseconds"。