random.js

//隨機GUID
function RandomGUID(){
  return 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
				var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
				return v.toString(16);
			});
}
 
//隨機整數
function RandomNum(Min,Max){
  if(Max > Min){
    //return Math.floor(Math.random() * (Max - Min + 1)) + Min;
    return ~~((Max-Min) * Math.random())+Min;
  }else{
    console.log("function RandomNum exception");
  }
}
 
//隨機日期 random date
function getRandomDate(from, to) {
    if (!from) {
        from = new Date(1900, 0, 1).getTime();
    } else {
        from = from.getTime();
    }
    if (!to) {
        to = new Date(2100, 0, 1).getTime();
    } else {
        to = to.getTime();
    }
    return new Date(from + Math.random() * (to - from));
}