仿qq的可左右滑动ListView

仿qq的可左右滑动ListView

<template>
  <div class="order-list">
    <div class="order-part" :style="getRightDistance(index)" v-for="(order, index) in orderList" :key="index" @touchstart="touchstart(index)" @touchmove="touchmove" @touchend="touchend">
      <div class="dialect">
        <div class="head">
          <div class="title">
            <span>采购单号 {{ order.purchaseno }}</span>
          </div>
          <div class="status-name">
            <span :class="getStatusSymbol(order.status)">{{ order.statusName }}</span>
          </div>
        </div>
        <div class="exactly" @click="goOrderDetail(index)">
          <div class="present">
            <div class="dare">
              <span class="label">供应商编号：</span>
              <span class="value">{{ order.suppliercode }}</span>
            </div>
            <div class="dare">
              <span class="label">供应商名称：</span>
              <span class="value">{{ order.supplierName }}</span>
            </div>
            <div class="dare">
              <span class="label">类型：</span>
              <span class="value">{{ order.kindName }}</span>
            </div>
          </div>
          <div class="amaze">
            <van-icon class="item-arrow" name="arrow" color="#969799" />
          </div>
        </div>
      </div>
      <div class="hide-btn">
        <span @click="generateWarehouse(order)" class="def">生成入库通知单</span>
        <span @click="deletePurchase(order)" class="danger">删除</span>
      </div>
    </div>
  </div>
</template>

<script>
import { Icon } from "vant";
export default {
  props: {
    orderList: {
      type: Array,
      required: true
    }
  },
  data() {
    return {
      startX: 0,
      currentX: 0,
      deltaX: 0,
      curIndex: 0,
      rights: [],
      isMove: false
    }
  },
  created() {
    this.loadRights();
  },
  components: {
    [Icon.name]: Icon
  },
  methods: {
    loadRights() {
      for(let i = 0; i < this.orderList.length; i++) {
        this.$set(this.rights, i, 0)
      }
    },
    getRightDistance(index) {
      let dist = 0;
      if (this.curIndex === index) {
        dist = this.rights[this.curIndex];
      }
      return { 'right': dist + 'px', 'transition': this.isMove ? '' : 'all .3s' }
    },
    getStatusSymbol(status) {
      if (status == "0") {
        return "warning";
      } else if (status == "2") {
        return "def";
      } else {
        return "primary";
      }
    },
    goOrderDetail(index) {
      this.$emit("goOrderDetail", index);
    },
    touchstart(index) {
      this.curIndex = index;
      // 获取触摸开始时的 X 坐标
      this.startX = event.touches[0].clientX;
    },
    touchmove(event) {
      this.isMove = true;
      // 获取触摸移动时的 X 坐标
      this.currentX = event.touches[0].clientX;

      // 计算滑动的距离
      this.deltaX = this.currentX - this.startX;
      if (this.deltaX < 0) {
        this.$set(this.rights, this.curIndex, -this.deltaX);
      } else if (this.rights[this.curIndex] > 30) {
        this.$set(this.rights, this.curIndex, 250 - (this.deltaX));
      }
    },
    touchend() {
      if (Math.abs(this.deltaX) > 30) {
        // 向右滑动
        if (this.deltaX > 0) {
          setTimeout(() => {
            this.setRights(0)
          });
        }
        // 向左滑动
        if (this.deltaX < 0) {
          setTimeout(() => {
            this.setRights(250)
          });
        }
      } else {
        this.$set(this.rights, this.curIndex, 0);
      }
      this.deltaX = 0;
      this.isMove = false;
    },
    setRights(num) {
      for(let i = 0; i < this.orderList.length; i++) {
        this.$set(this.rights, i, 0);
      }
      this.$set(this.rights, this.curIndex, num);
    },

    generateWarehouse(order) {
      this.setRights(0);
      this.$emit('generateWarehouse', order);
    },
    deletePurchase(order) {
      this.setRights(0);
      this.$emit('deletePurchase', order);
    }
  }
};
</script>

<style scoped>
.order-list {
  width: 100%;
}

.order-part {
  position: relative;
  right: 0;
  transition: all .3s;
  width: calc(100% + 250px);
  display: flex;
  border-bottom: 1px solid #eee;
  background-color: #fff;
}

.dialect {
  width: 100%;
}

.order-part:first-child {
  margin-top: 0;
}

.head {
  padding: 10px 8px 0 8px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.head .title {
  font-size: 14px;
}

.status-name span {
  padding: 2px 4px;
  font-size: 12px;
}

.warning {
  border-radius: 4px;
  color: #fdcca1;
  border: 1px solid #fdcca1;
  background-color: #fef2e8;
}

.primary {
  border-radius: 4px;
  color: #a3ccf8;
  border: 1px solid #a3ccf8;
  background-color: #e9f2fd;
}

.def {
  color: #f4f4f4;
}

.exactly {
  padding: 8px 8px 2px 8px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dare {
  font-size: 12px;
  color: #969799;
  margin-bottom: 6px;
}

.hide-btn {
  display: flex;
}

.def, .danger {
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.def {
  width: 150px;
  background-color: #1485EF;
}

.danger {
  width: 100px;
  background-color: #FA5251;
}
</style>