截取字符串，获取时间，并提取星期

date1.text="09/07/2007";
date2.text="09/10/2007";

var objYear2:Object =(Object)(this.date1.text.substring(6,10));
var month2:Number = (Number)(this.date1.text.substring(0,2))-1;
var day2:Number = (Number)(this.date1.text.substring(3,5));
dateA = new Date(objYear2,month2,day2);
var objYearB:Object =(Object)(this.date2.text.substring(6,10));
var monthB:Number = (Number)(this.date2.text.substring(0,2))-1;
var dayB:Number = (Number)(this.date2.text.substring(3,5));
dateB = new Date(objYearB,monthB,dayB);

date1.selectedDate=dateA;
date2.selectedDate=dateB;
date1.addEventListener("change",aaa);
Alert.show("day========"+dateB.day.toString());