jsは二つのdate時間の差を計算します.
2085 ワード
var v=new Date();
function test(){
v.setFullYear(txt_Y.value);
v.setMonth(txt_M.value-1);
v.setDate(txt_D.value);
v.setHours(txt_H.value);
v.setMinutes(txt_Min.value);
v.setSeconds(0);
var now = new Date();
var ressult = getDateCha(v,now);
if(!ressult.error){
show.innerHTML +=(
"["+v.toLocaleDateString()+" "+v.toLocaleTimeString()+"] "
+" "+
"["+now.toLocaleDateString()+" "+now.toLocaleTimeString()+"]======"
+ (ressult.toString())+"<br/>");
}
}
/*
*@param beginDate
*@param endDate , , ,default=new Date()
*@retrun JSON :D、H、M、S、error( , , , , abs, error)
*beginDate endDate( )
****/
var getDateCha=function(beginDate,endDate){
var res={D:0,H:0,M:0,S:0,abs:true,error:false};
// : Date , , new Date()
if(typeof(endDate)=="undefined" || null== endDate||""==endDate ){endDate = new Date();}
if( !(beginDate instanceof (Date)) || !(endDate instanceof (Date))){
res.error=true;//" ";
return res;
}
// , 。
if(beginDate>endDate){
var tempDate = beginDate;
beginDate = endDate;
endDate=tempDate;
res.abs=false;// beginDate endDate
}
var chaTime =(endDate.getTime()-beginDate.getTime());
var Day_Param =1000*60*60*24;//
var Hour_Param = 1000*60*60;//
res.D =Math.floor(chaTime/(Day_Param));//
chaTime = chaTime-res.D*Day_Param;// 。
res.H = Math.floor(chaTime/(Hour_Param));
chaTime = chaTime-res.H*Hour_Param;// 。
res.M = Math.floor(chaTime/(1000*60));
res.S=(chaTime-res.M*1000*60)/1000;// 。
//alert(res.S);
res.toString=function(){
return this.D+" "+this.H+" "+this.M+" ";
};
return res;
}