判断星期JS

来源：互联网发布：中国软件学院编辑：程序博客网时间：2024/04/27 22:48

function save(){
var btime = document.getElementByIdx_x('begin').value;

var etime = document.getElementByIdx_x('end').value;

    bb = DateDemo(btime);
    if (bb!="星期一"){
        alert("输入错误：开始时间必须是星期一！")
        return;

    }
    ee = DateDemo(etime);
    if (ee!="星期日"){
       alert("输入错误：结束时间必须是星期日！");
       return;
   }
    var dayBegin = strToDate(btime);
    var dayEnd   = strToDate(etime);
    var dayCha = (dayEnd - dayBegin)/(1000*60*60*24);
    if( dayCha > 6 ){
        alert("输入错误：选择日期区间大于一周！");
        return;
    }
    var flag = document.getElementByIdx_x("journalSubject1").value;
    if(flag==""){
        alert("请选择一个标题");
    }else{
        ValidationUtils.fireSubmit('inputPlan');
    }

}

function strToDate(dateStr){
    ss    = dateStr.split("-");
   year = ss[0];
month = ss[1]-1;
day   = ss[2]
   return d = new Date(year,month,day);
}
function DateDemo(Timeday){
   var year,month,day,ss;
   ss    = Timeday.split("-")
   year = ss[0];
   month = ss[1]-1;
day   = ss[2]
var d, day, x, s ;
var x = new Array("星期日", "星期一", "星期二");
var x = x.concat("星期三","星期四", "星期五");
var x = x.concat("星期六");
d = new Date(year,month,day);
    day = d.getDay();
return(s = x[day]);
}