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本文介绍了JavaScript 实现同时选取多个时间段的方法,分享给大家,具体如下:

<template>
 <div>
  <ul>
   <li
    v-for="(item,index) in timeLine.idList"
    :key="index"
    iselected="0"
    @mousemove="item.id != undefined "
    @mousedown="item.id != undefined "
    @mouseup="item.id != undefined "
    :id="item.id != undefined "
   >
    <div :id="item.id != undefined " iselected="0"></div>
   </li>
  </ul>
  <div class="num">
   <span>0</span>
   <span>1</span>
   <span>2</span>
   <span>3</span>
   <span>4</span>
   <span>5</span>
   <span>6</span>
   <span>7</span>
   <span>8</span>
   <span>9</span>
   <span>10</span>
   <span>11</span>
   <span>12</span>
   <span>13</span>
   <span>14</span>
   <span>15</span>
   <span>16</span>
   <span>17</span>
   <span>18</span>
   <span>19</span>
   <span>20</span>
   <span>21</span>
   <span>22</span>
   <span>23</span>
   <span>24</span>
  </div>
 </div>
</template>

<script>
export default {
 data() {
  return {
   timeLine: {
    flag: 0,
    preid: -1,
    idList: [
     {},
     { id: 0 },
     {},
     { id: 1 },
     {},
     { id: 2 },
     {},
     { id: 3 },
     {},
     { id: 4 },
     {},
     { id: 5 },
     {},
     { id: 6 },
     {},
     { id: 7 },
     {},
     { id: 8 },
     {},
     { id: 9 },
     {},
     { id: 10 },
     {},
     { id: 11 },
     {},
     { id: 12 },
     {},
     { id: 13 },
     {},
     { id: 14 },
     {},
     { id: 15 },
     {},
     { id: 16 },
     {},
     { id: 17 },
     {},
     { id: 18 },
     {},
     { id: 19 },
     {},
     { id: 20 },
     {},
     { id: 21 },
     {},
     { id: 22 },
     {},
     { id: 23 },
     {}
    ]
   }
  };
 },
 methods: {
  down_li(e) {
   this.timeLine.flag = 1;
  },
  up_li() {
   this.timeLine.flag = 0;
   this.timeLine.preid = -1;
  },
  move_li(e) {
   if (this.timeLine.flag == 0) {
    return;
   }
   var id = e.target.getAttribute('id');
   if (id == undefined) {
    return;
   }
   id = parseInt(id);
   // 避免重复获取 ID,每个时间段都只获取一次 ID
   if (this.timeLine.preid == id) {
    return;
   }
   // 避免滑动时闪烁
   this.timeLine.preid = id;
   var iselected = $('#' + id).attr('iselected');
   if (iselected == 1) {
    $("#"+id).children('div').css('background-color','');
    $("#"+id).attr('iselected', '0');
   } else {
    $("#"+id).children('div').css('background-color','#3bbe9b');
    $("#"+id).attr('iselected', '1');
   }
  },
  // 处理提交至后台数据的时间格式为 start : end
  timeLineSub() {
   var preid = -1;
   var start;
   var count = 0;
   var timeArr = [];
   $('li[iselected=1]').each(function(index, value) {
    var id = value.id;
    if (preid == -1) {
     preid = id;
     start = id;
     count++;
     return;
    }
    if (preid == id - 1) {
     count++;
    } else {
     if (count > 0) {
      timeArr.push(start + ':' + count);
     }
     start = id;
     count = 1;
    }
    preid = id;
   });
   timeArr.push(start + ':' + count);
   this.timeRange = timeArr.join(',');
  }
 }
};
</script>

<style lang="less" scoped>
html,
body {
 margin: 0;
 padding: 0;
 ul {
  height: 20px;
  margin-bottom: 0px;
  padding: 10px 19px;
  li {
   cursor: pointer;
   list-style: none;
   float: left;
   height: 20px;
   padding: 6px 0;
  }
  li:nth-child(even) {
   div {
    width: 28px;
    height: 5px;
    margin-top: 2px;
    background-color: rgb(232, 234, 236);
   }
  }
  li:nth-child(odd) {
   div {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    margin-top: 1px;
    border: 1px solid rgb(59, 190, 155);
   }
  }
 }
 .num {
  height: 100%;
  padding-left: 20px;
  margin-top: 2px;
  span {
   display: inline-block;
   width: 9px;
   height: 7px;
   font-size: 12px;
   margin-right: 23px;  
  }
  span:last-child {
   margin-right: 0px;
  }
 }
}
</style>

效果图如下:

JavaScript 实现同时选取多个时间段的方法

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

标签:
JavaScript,选取时间段,js,时间段选择,JavaScript,多个时间段

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