JS字符串类型转日期然后进行日期比较

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1、字符串转日期格式

var stringToDate = function(dateStr,separator){

    if(!separator){

        separator="-";

    }

    var dateArr = dateStr.split(separator);

    var year = parseInt(dateArr[0]);

    var month;

    //处理月份为04这样的情况

    if(dateArr[1].indexOf("0") == 0){

        month = parseInt(dateArr[1].substring(1));

    }else{

         month = parseInt(dateArr[1]);

    }

    var day = parseInt(dateArr[2]);

    var date = new Date(year,month -1,day);

    return date;

}

日期比较

var dateFeedBack = stringToDate(gfeedbackDataStore.getRowSet().getRow(0).getItemValue("svfd_FEEBBACK_DATE"));

    var dateNow = stringToDate(callback_date);

    var days1 = parseInt(dateFeedBack.getTime()/(1000*60*60*24));

    var days2 = parseInt(dateNow.getTime()/(1000*60*60*24));

    if((days2-days1)>7){

      alert("提示：总部确认日期7天内才可退单！");

      return;

    }