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vue 左滑删除 vue 左滑删除功能的代码实例

菠菜 人气:0

最近有个需求是要添加一个左滑删除的功能。参考了一下别的老哥的代码,做了一点点改进。记录一下。以备不时之需,话不多说 ,上代码

<template>
 <div class="slider-item">
 <div
  class="content"
  @touchstart='touchStart'
  @touchmove='touchMove'
  @touchend='touchEnd'
  :style="deleteSlider"
 >
  <div class="remove">删除</div>
 </div>
 </div>
</template>
<script>
// 获取删除按钮的宽度,此宽度为滑块左滑的最大距离
const DELBTNWIDTH = 60;
export default {
 data() {
 return {
  startX: 0, // 开始pos
  endX: 0, // 结束pos
  moveX: 0, // 滑动时的pos
  disX: 0, // 滑动距离
  deleteSlider: 'transform:translateX(0px)',
 };
 },
 methods: {
 touchStart(timestamp, ev) {
  ev = ev || event;
  this.currSliderTimestamp = timestamp;
  this.startX = 0;
  // tounches类数组,等于1时表示此时有只有一只手指在触摸屏幕
  if (ev.touches.length === 1) {
  // 记录开始位置
  this.startX = ev.touches[0].clientX;
  console.log(this.startX, this.disX);
  }
 },
 touchMove(timestamp, ev) {
  ev = ev || event;
  if (ev.touches.length === 1) {
  // 滑动时距离浏览器左侧实时距离
  this.moveX = ev.touches[0].clientX;
  //实时滑动距离,和上一次滑动做个衔接。防止第二次触发的时候,位置不对的问题
  this.disX = this.startX - this.moveX + this.disX;
  // 如果是向右滑动或者不滑动,不改变滑块的位置
  if (this.disX > 0) {
   if (this.disX < 100) {
   this.deleteSlider = 'transform:translateX(-' + this.disX + 'px)';
   } else {
   this.deleteSlider = 'transform:translateX(-100px)';
   }
  } else {
   if (this.disX < -60) {
   this.deleteSlider = 'transform:translateX(60px)';
   } else {
   this.deleteSlider = 'transform:translateX(' + Math.abs(this.disX) + 'px)';
   }
  }
  }
 },
 touchEnd() {
  //滑动完成后,滑块应该在的位置
  if (this.disX < 100) {
  this.deleteSlider = 'transform:translateX(0px)';
  this.disX = 0;
  } else {
  this.deleteSlider = 'transform:translateX(-' + DELBTNWIDTH + 'px)';
  this.disX = 60;
  }
 },
 },
};
</script>
<style scoped lang="stylus" rel="stylesheet/stylus">
.slider-item {
 width: 100%;
 height: 60px;
 border-bottom: 1px solid #eeeeee;
 overflow: hidden;
 display: flex;
 position: relative;

 .content {
 min-width: 100%;
 height: 100%;
 background: yellow;
 box-sizing: normal-box;
 padding-right: 60px;
 position: relative;
 transition-property: all;
 transition-duration: 0.4s;
 transition-timing-function: cubic-bezier(0, 0.85, 0.72, 0.86);
 transition-delay: 0s;

 .remove {
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background: #fe5ba8;
  text-align: center;
  line-height: 60px;
  font-size: 15px;
  color: #ffffff;
 }
 }
}
</style>

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