这是代码
    <el-row>
      <el-input disabled value="当前页面显示: 08:00"></el-input>
    </el-row>
    getDay(day){  
       var today = new Date();  
       var targetday_milliseconds=today.getTime() + 1000*60*60*24*day;          
       today.setTime(targetday_milliseconds); //注意,这行是关键代码
       var tYear = today.getFullYear();  
       var tMonth = today.getMonth();  
       var tDate = today.getDate();  
       tMonth = this.doHandleMonth(tMonth + 1);  
       tDate = this.doHandleMonth(tDate);  
       return tYear+"-"+tMonth+"-"+tDate;
},
doHandleMonth(month){  
       var m = month;  
       if(month.toString().length == 1){  
          m = "0" + month;  
       }  
       return m;  
}
求教想实现如上图效果  "当前页面显示: 08:00"中间应该怎么弄