JavaScript 获取当前日期和三十天以前日期

  

   

    

     

    
    

     

      function getThirtyDays() {
     
    
   

    

     

    
    

     
 //获取当前日期
     
    
   

    

     

    
    

     
	  var myDate = new Date();
     
    
   

    

     

    
    

     
 var nowY = myDate.getFullYear();
     
    
   

    

     

    
    

     
 var nowM = myDate.getMonth()+1;
     
    
   

    

     

    
    

     
 var nowD = myDate.getDate();
     
    
   

    

     

    
    

     
 var enddateStr = nowY+"-"+(nowM<10 ? "0" + nowM : nowM)+"-"+(nowD<10 ? "0"+ nowD : nowD);//当前日期
     
    
   

    

     

    
    

     
		var enddate = new Date(enddateStr);
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 //获取三十天前日期
     
    
   

    

     

    
    

     
 var lw = new Date(myDate - 1000 * 60 * 60 * 24 * 30);//最后一个数字30可改，30天的意思
     
    
   

    

     

    
    

     
 var lastY = lw.getFullYear();
     
    
   

    

     

    
    

     
 var lastM = lw.getMonth()+1;
     
    
   

    

     

    
    

     
 var lastD = lw.getDate();
     
    
   

    

     

    
    

     
 var startdateStr =lastY+"-"+(lastM<10 ? "0" + lastM : lastM)+"-"+(lastD<10 ? "0"+ lastD : lastD);//三十天之前日期
     
    
   

    

     

    
    

     
		var startDate = new Date(startdateStr);
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
		const dateList = []
     
    
   

    

     

    
    

     
		while(true) {
     
    
   

    

     

    
    

     

      			startDate.setDate(startDate.getDate() + 1)
     
    
   

    

     

    
    

     
			if (startDate.getTime() <= enddate.getTime()) {
     
    
   

    

     

    
    

     
 if (startDate.getDate() < 10) {
     
    
   

    

     

    
    

     
 // startDate.getFullYear() 获取年，此处没加上年份
     
    
   

    

     

    
    

     

       dateList.push((startDate.getMonth()+1) + '.0' + startDate.getDate())
     
    
   

    

     

    
    

     

       } else {
     
    
   

    

     

    
    

     

       dateList.push((startDate.getMonth()+1) + '.' + startDate.getDate())
     
    
   

    

     

    
    

     

       }
     
    
   

    

     

    
    

     

      			} else {
     
    
   

    

     

    
    

     
 break
     
    
   

    

     

    
    

     

      			}
     
    
   

    

     

    
    

     

      		}
     
    
   

    

     

    
    

     
		return dateList;
     
    
   

    

     

    
    

     

         }
     
    
  
 

文章来源: blog.csdn.net，作者：LookForDream_，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/LookForDream_/article/details/102834727