<template>
 <div class="loadmore">
  <div class="loadmore__body">
   <slot></slot>
  </div>
  <div class="loadmore__footer">
   <span v-if="loading">
    <i class="tc-loading"></i>
    <span>正在加载</span>
   </span>
   <span v-else-if="loadable">上拉加载更多</span>
   <span v-else>没有更多了</span>
  </div>
 </div>
</template>

export default {
  mounted() {
    // 确定容器
    // 容器绑定事件
  },
  beforeDestory() {
    // 解绑事件
  },
}

export default {
  ···
  methods：{
   /**
    * 加载一组数据的方法
    */
   load() {
     // 设置options
    this.$axios.request(options).then((res) => {
      // 获取数据后的处理
    }).catch((e) => {
     // 异常处理
    })
   },
    /**
    * 鼠标按下事件处理函数
    * @param {Object} e - 事件对象
    */
   pointerdown(e) {
    // 获取按下的位置
    this.pageY = e.changedTouches "htmlcode">

<template>
 <div class="loadmore">
  <!-- <div class="loadmore__header"></div> -->
  <div class="loadmore__body">
   <slot></slot>
  </div>
  <div class="loadmore__footer">
   <span v-if="loading">
    <i class="tc-loading"></i>
    <span>正在加载</span>
   </span>
   <span v-else-if="loadable">上拉加载更多</span>
   <span v-else>没有更多了</span>
  </div>
 </div>
</template>
<script type="text/babel">
 import axios from 'axios'
 const CancelToken = axios.CancelToken
 export default {
  data() {
   return {
    /**
     * 总页数（由服务端返回）
     * @type {number}
     */
    count: 0,
    /**
     * 是否正在拖拽中
     * @type {boolean}
     */
    dragging: false,
    /**
     * 已加载次数
     * @type {number}
     */
    times: 0,
    /**
     * 已开始记载
     * @type {boolean}
     */
    started: false,
    /**
     * 正在加载中
     * @type {boolean}
     */
    loading: false,
   }
  },
  props: {
   /**
    * 初始化后自动开始加载数据
    */
   autoload: {
    type: Boolean,
    default: true,
   },
   /**
    * 离组件最近的可滚动父级元素（用于监听事件及获取滚动条位置）
    */
   container: {
    // Selector or Element
    default: 'body',
   },
   /**
    * 禁用组件
    */
   disabled: {
    type: Boolean,
    default: false,
   },
   /**
    * Axios请求参数配置对象
    * {@link https://github.com/mzabriskie/axios#request-config}
    */
   options: {
    type: Object,
    default: null,
   },
   /**
    * 起始页码
    */
   page: {
    type: Number,
    default: 1,
   },
   /**
    * 每页加载数据条数
    */
   rows: {
    type: Number,
    default: 10,
   },
   /**
    * 数据加载请求地址
    */
   url: {
    type: String,
    default: '',
   },
  },
  computed: {
   /**
    * 是否可以加载
    * @returns {boolean} 是与否
    */
   loadable() {
    return !this.disabled && (!this.started || (this.page + this.times) <= this.count)
   },
  },
  mounted() {
   let container = this.container
   if (container) {
    if (typeof container === 'string') {
     container = document.querySelector(container)
    } else if (!container.querySelector) {
     container = document.body
    }
   }
   if (!container) {
    container = document.body
   }
   this.$container = container
   this.onPointerDown = this.pointerdown.bind(this)
   this.onPointerMove = this.pointermove.bind(this)
   this.onPointerUp = this.pointerup.bind(this)
   if (global.PointerEvent) {
    container.addEventListener('pointerdown', this.onPointerDown, false)
    container.addEventListener('pointermove', this.onPointerMove, false)
    container.addEventListener('pointerup', this.onPointerUp, false)
    container.addEventListener('pointercancel', this.onPointerUp, false)
   } else {
    container.addEventListener('touchstart', this.onPointerDown, false)
    container.addEventListener('touchmove', this.onPointerMove, false)
    container.addEventListener('touchend', this.onPointerUp, false)
    container.addEventListener('touchcancel', this.onPointerUp, false)
    container.addEventListener('mousedown', this.onPointerDown, false)
    container.addEventListener('mousemove', this.onPointerMove, false)
    container.addEventListener('mouseup', this.onPointerUp, false)
   }
   if (this.autoload) {
    this.load()
   }
  },
  // eslint-disable-next-line
  beforeDestroy() {
   const container = this.$container
   if (global.PointerEvent) {
    container.removeEventListener('pointerdown', this.onPointerDown, false)
    container.removeEventListener('pointermove', this.onPointerMove, false)
    container.removeEventListener('pointerup', this.onPointerUp, false)
    container.removeEventListener('pointercancel', this.onPointerUp, false)
   } else {
    container.removeEventListener('touchstart', this.onPointerDown, false)
    container.removeEventListener('touchmove', this.onPointerMove, false)
    container.removeEventListener('touchend', this.onPointerUp, false)
    container.removeEventListener('touchcancel', this.onPointerUp, false)
    container.removeEventListener('mousedown', this.onPointerDown, false)
    container.removeEventListener('mousemove', this.onPointerMove, false)
    container.removeEventListener('mouseup', this.onPointerUp, false)
   }
   if (this.loading && this.cancel) {
    this.cancel()
   }
  },
  methods: {
   /**
    * 加载一组数据的方法
    */
   load() {
    if (this.disabled || this.loading) {
     return
    }
    this.started = true
    this.loading = true
    const params = {
     currentPage: this.page + this.times,
     pageSize: this.rows,
    }
    const options = Object.assign({}, this.options, {
     url: this.url,
     cancelToken: new CancelToken((cancel) => {
      this.cancel = cancel
     }),
    })
    if (String(options.method).toUpperCase() === 'POST') {
     options.data = Object.assign({}, options.data, params)
    } else {
     options.params = Object.assign({}, options.params, params)
    }
    this.$axios.request(options).then((res) => {
     const data = res.result
     this.times += 1
     this.loading = false
     this.count = data.pageCount
     this.$emit('success', data.list)
     this.$emit('complete')
    }).catch((e) => {
     this.loading = false
     this.$emit('error', e)
     this.$emit('complete')
    })
   },
   /**
    * 重置加载相关变量
    */
   reset() {
    this.count = 0
    this.times = 0
    this.started = false
    this.loading = false
   },
   /**
    *重新开始加载
    */
   restart() {
    this.reset()
    this.load()
   },
   /**
    * 鼠标按下事件处理函数
    * @param {Object} e - 事件对象
    */
   pointerdown(e) {
    if (this.disabled || !this.loadable || this.loading) {
     return
    }
    this.dragging = true
    this.pageY = e.changedTouches ? e.changedTouches[0].pageY : e.pageY
   },
   /**
    * 鼠标移动事件处理函数
    * @param {Object} e - 事件对象
    */
   pointermove(e) {
    if (!this.dragging) {
     return
    }
    const container = this.$container
    const pageY = e.changedTouches ? e.changedTouches[0].pageY : e.pageY
    const moveY = pageY - this.pageY
    // 如果已经向下滚动到页面最底部
    if (moveY < 0 && (container.scrollTop + Math.min(
     global.innerHeight,
     container.clientHeight,
    )) >= container.scrollHeight) {
     // 阻止原生的上拉拖动会露出页面底部空白区域的行为（主要针对iOS版微信）
     e.preventDefault()
     // 如果上拉距离超过50像素，则加载下一页
     if (moveY < -50) {
      this.pageY = pageY
      this.load()
     }
    }
   },
   /**
    * 鼠标松开事件处理函数
    */
   pointerup() {
    this.dragging = false
   },
  },
 }
</script>


以上所述是小编给大家介绍的vue loadmore组件上拉加载更多功能示例代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！