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  • js根据当前时间获取当前季度,月份,和第几周

    function jidu()
      {
       var getMonthWeek = function (a, b, c) {
        var date = new Date(a, parseInt(b) - 1, c), w = date.getDay(), d = date.getDate();
        return Math.ceil( (d + 6 - w) / 7 );
       };
      
       var getYearWeek = function (a, b, c) {
        var date1 = new Date(a, parseInt(b) - 1, c), date2 = new Date(a, 0, 1),
        d = Math.round((date1.valueOf() - date2.valueOf()) / 86400000);
        return Math.ceil( (d + ((date2.getDay() + 1) - 1)) / 7 );
       };

       var today = new Date();//获取当前时间
       var y = today.getFullYear();
       var m = today.getMonth()+1;
       var d = today.getDate();
       //document.write("今天是:",y,"-", m, "-", d, "<br/>");
       //document.write( "今天是",y,"年的第 ", getYearWeek(y, m, d), " 周<br/>" );
       //document.write( "今天是",m,"月的第 ", getMonthWeek(y, m, d), " 周<br/>" );
       var quarter = "";
       var result = getYearWeek(y, m, d);
       if (m <4) {
        quarter = 1;
        week = result;
       } else if (m < 7) {
        quarter = 2;
        week = result - getYearWeek(y, 4, 1);
        var day = new Date(y, 4, 1);
        if (day.getDay() > 1) {
         week += 1;
        }
       } else if (m < 10) {
        quarter = 3;
        week = result - getYearWeek(y, 7, 1);
        var day = new Date(y, 7, 1);
        if (day.getDay() > 1) {
         week += 1;
        }
       } else {
        quarter = 4;
        week = result - getYearWeek(y, 10, 1);
        var day = new Date(y, 10, 1);
        if (day.getDay() > 1) {
         week += 1;
        }
       }
       //document.write( "今天是第",quarter,"季度的第 ", week, " 周" );

    document.write( quarter);
      }

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  • 原文地址:https://www.cnblogs.com/275147378abc/p/5618052.html
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