TaoBaoKe.Web/js/date.js

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function setDateSelect(runNian){
    var month = $("#s_month");
    var day = $("#s_day")
    var m_str,d_str_28,d_str_30,d_str_31;
    for(var i=1;i<13;i++){
        m_str += "<option value='"+i+"'>" + i + "月</option>";
    }
    for(var j=1;j<=28;j++){
        d_str_28 += "<option value='"+j+"'>" + j + "日</option>";
    }
    for(var k=1;k<=30;k++){
        d_str_30 += "<option value='"+k+"'>" + k + "日</option>";
    }
    for(var m=1;m<=31;m++){
        d_str_31 += "<option value='"+m+"'>" + m + "日</option>";
    }
    month.append(m_str);
    day.append(d_str_31)
    month.change(function(){
        day.find("option:gt(0)").remove();
        
        var mm =  parseInt(month.find("option:selected").attr("value"))
        switch (mm)
        {
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12: 
                day.append(d_str_31);
                break;
            case 4:
            case 6:
            case 9:
            case 11:
                day.append(d_str_30);
                break;
            case 2:
                day.append(d_str_28);
                var y = new Date().getFullYear();
                if(runNian== true){
                    day.append("<option value='29'>29日</option>")
                }
                if(runNian==false&&IsPinYear(y)){
                    day.append("<option value='29'>29日</option>")
                }
                break;
            default :
                day.append(d_str_31)
        }
    });
}

function IsPinYear(year){ //判断是否闰平年
    return ((0 == year % 4 && year % 100 != 0) || year % 400 == 0)
}