JavaScript实现移动端滑动选择日期功能

$(page).on('touchmove','#touchMoveTime',function (event) {   touchMove(event);  });  scrollBarInit(); //初始化  function scrollBarInit() {   var defaultValue = 3,maxValue = 30;   var myDate = new Date();   var year = myDate.getFullYear();   var month = myDate.getMonth() + 1;  //获取当前月份(0-11,0代表1月)   var date = myDate.getDate();   var day = new Date(year,month,0);   var daycount = day.getDate(); //获取本月天数：   if((date + defaultValue) > daycount){    if(month == 12){     month = 1;     year = year + 1;    }else{     month = month + 1;    }    date = (date + defaultValue) - daycount;   }else{    date = date + defaultValue;   }   if(month < 10){    month = "0"+month;   }   if(date < 10){    date = "0"+date;   }   $("#endTime").attr('value',year+'-'+month+'-'+date);   var currentX = $("#touchMoveTime").width() * (0 / maxValue);   $('#scroll_Track').css({width:currentX+"px"});   $('#scroll_Thumb').css({transform:'translate(' + currentX + 'px, 0)'});  };  function touchMove(event) {   event.preventDefault();   if (!$('#scroll_Thumb') || !event.touches.length) return;   var defaultValue = 3,maxValue = 30;   var myDate = new Date();   var year = myDate.getFullYear();   var month = myDate.getMonth() + 1;  //获取当前月份(0-11,0代表1月)   var date = myDate.getDate();   var tran_currentX = '';   var startOffset = parseInt($('#touchMoveTime').offset().left);   var endOffset = parseInt($('#touchRight').offset().left);   var _limit = endOffset - startOffset;   var touchMoveTimeOffsetLeft = $('#scroll_Track').offset().left;   var touch = event.touches[0];   var endX = touch.pageX;   var currentX = endX - touchMoveTimeOffsetLeft;   var Timevalue = Math.round(maxValue * (currentX / $("#touchMoveTime").width())); //当前刻度值   if(Timevalue < defaultValue){    Timevalue = defaultValue   }else if(Timevalue > maxValue){    Timevalue = maxValue;   }   if(currentX < _limit && currentX > 15){    $('#days').text(Timevalue);    $('#scroll_Track').css({width:currentX+"px"});    if(currentX < 20){     tran_currentX = 0    }else{     tran_currentX = currentX - 20;    }    $('#scroll_Thumb').css({transform:'translate(' + tran_currentX + 'px, 0)'});    var day = new Date(year,month,0);    var daycount = day.getDate(); //获取本月天数    if((date + Timevalue) > daycount){     if(month == 12){      month = 1;      year = year + 1;     }else{      month = month + 1;     }     date = (date + Timevalue) - daycount;    }else{     date = date + Timevalue;    }    if(month < 10){     month = "0"+month;    }    if(date < 10){     date = "0"+date;    }    $('#endTime').attr('value',year+'-'+month+'-'+date);   }  }

<div class="clList">　　<span class="cl-15 pull-left">3天</span> <div id="touchMoveTime" class="jzrqDiv cl-70 pull-left">  <div id="scroll_Track"></div> 　　 　<div class="spirit icon" id="scroll_Thumb"></div> </div> <span class="cl-15 pull-left text-right" id="touchRight">30天</span></div>

.jzrqDiv{position:relative; top:15px; height: 10px; border-radius: 20px; background: #efefef; box-shadow:inset 0 1px 2px rgba(0,0,0,.15); }2 #scroll_Track{ position: absolute; top:0; height: 10px; border-radius: 20px; background: #2399dc; z-index: 10;}3 .spirit {position: absolute; top:-9px; width: 30px;height: 30px;line-height: 30px;font-size: 30px;border-radius: 50%;color: #ddd; background: #fff; z-index: 11;transform: translate(0,0);}