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  • js获取当前日期的前一天、一月、一年的日期 明天、后天(转)

    function getYestoday(date){    
        var yesterday_milliseconds=date.getTime()-1000*60*60*24;     
        var yesterday = new Date();     
            yesterday.setTime(yesterday_milliseconds);     
          
        var strYear = yesterday.getFullYear();  
        var strDay = yesterday.getDate();  
        var strMonth = yesterday.getMonth()+1;
        if(strMonth<10)  
        {  
            strMonth="0"+strMonth;  
        }  
        datastr = strYear+"-"+strMonth+"-"+strDay;
        return datastr;
      }
      
      //获得上个月在昨天这一天的日期
      function getLastMonthYestdy(date){
         var daysInMonth = new Array([0],[31],[28],[31],[30],[31],[30],[31],[31],[30],[31],[30],[31]);
         var strYear = date.getFullYear();  
         var strDay = date.getDate();  
         var strMonth = date.getMonth()+1;
         if(strYear%4 == 0 && strYear%100 != 0){
            daysInMonth[2] = 29;
         }
         if(strMonth - 1 == 0)
         {
            strYear -= 1;
            strMonth = 12;
         }
         else
         {
            strMonth -= 1;
         }
         strDay = daysInMonth[strMonth] >= strDay ? strDay : daysInMonth[strMonth];
         if(strMonth<10)  
         {  
            strMonth="0"+strMonth;  
         }
         if(strDay<10)  
         {  
            strDay="0"+strDay;  
         }
         datastr = strYear+"-"+strMonth+"-"+strDay;
         return datastr;
      }
      
      //获得上一年在昨天这一天的日期
      function getLastYearYestdy(date){
         var strYear = date.getFullYear() - 1;  
         var strDay = date.getDate();  
         var strMonth = date.getMonth()+1;
         if(strMonth<10)  
         {  
            strMonth="0"+strMonth;  
         }
         if(strDay<10)  
         {  
            strDay="0"+strDay;  
         }
         datastr = strYear+"-"+strMonth+"-"+strDay;
         return datastr;
      }
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  • 原文地址:https://www.cnblogs.com/yjtgw/p/4533057.html
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