vue左滑编辑与删除 vue移动端实现左滑编辑与删除的全过程

npm install vue-touch@next --save

import VueTouch from 'vue-touch';
Vue.use(VueTouch, {
  name: 'v-touch'
});

<div class="wrap">
      <v-touch
        style="margin-bottom:10px"
        v-on:panstart="onPanStart(key)"
        v-on:panmove="onPanMove"
        v-on:panend="onPanEnd"
        v-for="(item, key) in list"
        :key="key"
      >
  <!-- 下面div这一块是我页面需要左滑删除的项目内容，你可以替换成你自己的 -->
        <div class="item df_sb item-p" :style="activeId === key ? swipe : ''">
          <p class="left-img">
            <img :src="item.image_url" alt>
          </p>
          <p class="url" v-if="item.redirect_url != '' ">{{item.redirect_url}}</p>
          <p class="city nothave" v-else>无</p>
          <p class="city">{{item.city}}</p>
          <div class="edit-delete df_sad" :ref="'editBtn' + key">
            <div class="edit" @click="editFun('edit',item.id,item.image_url,item.redirect_url)">
              <img src="../../assets/images/adver/ic_xiugai.png" alt>
            </div>
            <p class="edit-line"></p>
            <div class="ad-delete" @click="deleteFun(key,item.id)">
              <img src="../../assets/images/adver/ic_shanchu.png" alt>
            </div>
          </div>
        </div>
      </v-touch>
    </div>

<script>
import httpApi from "../../http/httpApi";
export default {
  name: "",
  data() {
    return {
      swipe: "", // 滑动的样式
      wd: 0, // 编辑和删除按钮的宽度之和
      swipeWd: 0, // 已经滑动的距离
      activeId: "", // 实际是上一次的活动id
    //以上四个变量必须保留，下面的三个可以删除
      page: 1,
      size: 10,
      list: []
    };
  },
  methods: {
//请求列表数据
    getList($state) {
      let params = new URLSearchParams();
      params.append("page", this.page);
      params.append("size", this.size);
      this.$post(httpApi.BANNERLIST, params)
        .then(res => {
          if (res.code == 10000) {
            if (res.data) {
              this.list = this.list.concat(res.data.list);
              this.page++;
              if (res.data.list.length === 10) {
                $state.loaded();
              } else {
                $state.complete();
              }
            } else {
              $state.complete();
            }
          } else {
            $state.complete();
          }
        })
        .catch(err => {
          console.log(err);
        });
    },
    // 编辑
    editFun(type, image_id, image, url) {
      this.$router.push({
        path: "/issueAdvertising",
      });
    },
    // 删除
    deleteFun(index, image_id) {
      this.activeId = ""; //将上一次的活动id制空
      let params = new URLSearchParams();
      params.append("agent_id", this.id);
      params.append("image_id", image_id);
      this.$post(httpApi.DELETEBANNER, params)
        .then(res => {
          if (res.code == 10000) {
// 虽然请求删除接口删除了列表其中的某一项内容，但是页面上还有
//因此需要在本地数组中也删除，这样才完美，下面这行代码比较重要，可以写在你删除接口成功后的地方
            this.list.splice(index, 1); 
            this.modal.toastFun("删除成功");
          } else if (res.code == 20000) {
            this.modal.toastFun(res.message);
          }
        })
        .catch(err => {});
    },
 
// 以下三个方法全部拷贝，无需修改
//滑动位置
    onPanStart(id) {
      event.preventDefault();
      // 获取右侧按钮宽度
      let str = "editBtn" + id;
      this.wd = 1.2 * this.$refs[str][0].offsetWidth;
      // 初始化
      if (this.activeId != id) {
        this.swipe = "transform:translateX(0px)";
        this.swipeWd = 0;
      }
      this.activeId = id;
    },
//滑动位置
    onPanMove(event) {
      event.preventDefault();
      let deltaX = event.deltaX;
      // 组件向左移动直到最大距离
      if (deltaX < 0 && deltaX > -this.wd) {
        // 向左滑动
        this.swipe = "transform:translateX(" + deltaX + "px)";
        this.swipeWd = deltaX;
      }
 
      if (deltaX > 0 && deltaX <= this.wd && this.swipeWd < 0) {
        // 向右滑动
        let wx = deltaX + this.swipeWd;
        this.swipe = "transform:translateX(" + wx + "px)";
      }
    },
 // 结束位置
    onPanEnd(event) {
      event.preventDefault();
      // 判断向左移动的距离是否大于二分之一
      let deltaX = event.deltaX;
      if (deltaX < 0) {
        if (deltaX <= -this.wd / 2) {
          // 向左滑动超过二分之一
          this.swipe = "transform:translateX(" + -this.wd + "px)";
          this.swipeWd = -this.wd;
        } else {
          this.swipe = "transform:translateX(0px)";
          this.swipeWd = 0;
        }
      } else {
        if (this.swipeWd < 0 && deltaX >= this.wd / 2) {
          // 向左滑动超过二分之一
          this.swipe = "transform:translateX(0px)";
          this.swipeWd = 0;
        } else {
          this.swipe = "transform:translateX(" + this.swipeWd + "px)";
        }
      }
    }
  },
 
};
</script>

.wrap {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.item {
  padding-left: 40px;
  height: 120px;
  background: #ffffff;
  align-items: center;
  flex-direction: inherit;
  .left-img {
    width: 120px;
    height: 100px;
    overflow: hidden;
    img {
      min-width: 120px;
      height: 100px;
    }
  }
}
.url {
  width: 400px;
  padding: 10px 30px 0;
  box-sizing: border-box;
  word-wrap: break-word;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.city {
  text-align: center;
  min-width: 100px;
}
.item-p {
  color: #333333;
  font-size: 22px;
}
.nothave {
  color: #999999;
}
.hint {
  height: 40px;
  align-items: center;
  margin-bottom: 30px;
}
.line {
  width: 250px;
  height: 1px;
  background: #999999;
  opacity: 0.5;
}
.item {
  width: 120%; // 超过100%
  transition: 0.1s ease 0s; // 过渡效果
}
.edit-line {
  width: 2px;
  height: 80px;
  background: rgba(255, 255, 255, 1);
}
.edit-delete {
  width: 160px;
  height: 100%;
  background: rgba(255, 126, 34, 1);
  opacity: 0.8;
  align-items: center;
}
.edit,
.ad-delete {
  img {
    width: 42px;
    height: 42px;
  }
}
.add-btn {
  width: 200px;
  height: 80px;
  background: rgba(255, 126, 34, 1);
  box-shadow: 0px 0px 5px 0px rgba(221, 221, 236, 1);
  border-radius: 40px;
  text-align: center;
  line-height: 80px;
  color: #ffffff;
  font-size: 30px;
  position: fixed;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
}