js 獲取近三天,近七天的日期程式碼
阿新 • • 發佈:2018-11-21
/*據資料判斷渲染起始時間值(前臺以1.3.7標識查詢範圍)*/
function getStartEndTime(numberDate){
if(typeof numberDate == "string")numberDate=parseInt(numberDate);switch(numberDate){
case 1: //當天時間(今天)
$("#startTime").val(getDate(0)+" 00:00:00");
$("#endTime").val(getDate(0)+" 23:59:59");
break;
case 3: //近三天
$("#startTime").val(getDate(-3)+" 00:00:00");
$("#endTime").val(getDate(-3)+" 23:59:59");
break;
case 7: //近七天
$("#startTime").val(getDate(-7)+" 00:00:00");
$("#endTime").val(getDate(-7)+" 23:59:59");
break;
default:
}
}
/*獲取日期並進行相應日期格式拼裝*/
function getDate(day){
var today = new Date();
var targetday_milliseconds=today.getTime() + 1000*60*60*24*day;
today.setTime(targetday_milliseconds); //注意,這行是關鍵程式碼
var tYear = today.getFullYear();
var tMonth = today.getMonth();
var tDate = today.getDate();
tMonth = doHandleMonth(tMonth + 1);
tDate = doHandleMonth(tDate);
return tYear+"-"+tMonth+"-"+tDate;
}
/*為小於兩位數的月份或日期加0*/
function doHandleMonth(month){
var m = month;
if(month.toString().length == 1){
m = "0" + month;
}
return m;
}