小程序数据分页

后端返回的数据和PC端分页时返回数据相同。

//底部正在加载样式

	
	正在加载


//css
/* 正在加载样式 */
.weui-loading {
  margin: 0 5px;
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: middle;
  -webkit-animation: weuiLoading 1s steps(12, end) infinite;
  animation: weuiLoading 1s steps(12, end) infinite;
  background: transparent url(data:image/svg+xml;base64,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) no-repeat;
  background-size: 100%;
}
.weui-loadmore {
  width: 65%;
  margin: 1.5em auto;
  line-height: 1.6em;
  font-size: 14px;
  text-align: center;
}
.weui-loadmore__tips {
  display: inline-block;
  vertical-align: middle;
  color: #a3a1a2;
}

Page({
  data: {
    list: [],    //数据列表
    pageNum:1,   //当前页码
    pageSize:10,  //每页显示多少条
    hasMoreData:true,    //上拉时是否继续请求数据，即是否还有更多数据
    isHideLoadMore:true,  //底部加载更多是否显示
    pages:null,       //后端返回的总页数
  },
  onLoad: function (options) {
    this.getInfo()
  },
  // 获取分页列表
  getInfo: function () {
    var that = this;
    $api.findList({
      pageNum:that.data.pageNum,
      pageSize:that.data.pageSize
    }).then(res => {
      var list = that.data.list;
      wx.hideNavigationBarLoading()		//在当前页面隐藏导航条加载动画
      wx.stopPullDownRefresh()
      if(res.data){
        if (res.data.list.length > 0) {
          if (that.data.pageNum == 1) {
            list = []
          }
          var ResdataList = res.data.list;
          that.setData({
            pages:res.data.pages
          })
          // 如果后端返回的数据长度<10 || 前端传参的当前页==后端返回的总页数（则说明当前就是最后一页）
          if (ResdataList.length < that.data.pageSize||that.data.pageNum==that.data.pages) {
            // console.log("不在继续请求")
            var firmlistArr=list.concat(ResdataList)
            // 去重---当你继续请求第二页并且第一页有新数据，则页面无法显示新一条数据，并且第二页的第一条数据和第一页的最后一条数据重复了
            for(var i=0;i {})
  },
  // 上拉触底
  onReachBottom: function () {
    if (this.data.hasMoreData) {
      this.setData({
        isHideLoadMore:true
      })
      this.getInfo()
    } else {
      this.setData({
        isHideLoadMore:false
      })
      wx.showToast({
        title: '没有更多了...',
        icon:"none"
      })
    }
  },
  // 下拉刷新
  onPullDownRefresh: function () {
    wx.showNavigationBarLoading(); 
    this.setData({
      pageNum: 1,
      list: [],
    })
    this.getInfo()
  }
})