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  • 【小程序开发】上拉加载更多demo

    wxml:

    <scroll-view class='swiper-scroll' scroll-y="{{true}}" bindscrolltolower="lower" style='height:800rpx;'>
    <block wx:for="{{requestRes}}" wx:key="item" wx:for-index="idx">
    <view>
    <image style='100rpx;height:100rpx;' src="{{requestRes[idx].avatar}}" alt=""></image>
    </view>
    <view>{{requestRes[idx].description}}</view>
    <view><text>¥<text>{{item.price}}</text></text><text>¥{{item.oldprice}}</text></view>
    </block>
    <view class="tips1">
    <view wx:if="{{hasMore}}">
    <text>玩命的加载中...</text>
    </view>
    <view wx:else>
    <text>没有更多内容了</text>
    </view>
    </view>
    </scroll-view>
     
    js:
     
    //index.js
    //获取应用实例
    var app = getApp()
    var http = app.globalData.http

    Page({
    data: {
    requestRes: {},
    pagel: 1, // 发出的 页数
    hasMore: false
    },
    // 触底加载数据
    lower: function (e) {
    console.log('kaihsi')
    this.setData({
    hasMore: true
    })
    this.loaddatal();
    },

    onLoad: function (option) {
    var that = this
    // 请求数据
    wx.request({
    url: 'http://cloud.topmdrt.com/api/v1/activity/goods_praise/page',
    method: 'get',
    data: {
    currentPage: this.data.pagel,
    sourceId: 2,
    id: 83
    },
    success: function (res) {
    console.log(res)
    that.setData({
    requestRes: res.data.response.dataList
    })
    }
    })
    },

    // 发出的数据 加载
    loaddatal: function () {
    console.log('chufa')
    var listData = this.data.requestRes;
    var that = this;
    var pag = this.data.pagel + 1;
    wx.request({
    url: 'http://cloud.topmdrt.com/api/v1/activity/goods_praise/page',
    method: 'get',
    data: {
    currentPage: pag,
    sourceId: 2,
    id: 83
    },
    success: function (res) {
    var pagel = that.data.pagel + 1;
    if (res.data.response.dataList.length == 0) {
    this.setData({
    requestRes: res.data.response.dataList,
    pagel: -1
    })
    return false;
    }
    that.setData({
    pagel: pagel,
    requestRes: listData.concat(res.data.response.dataList),
    hasMore: false
    })
    // that.update()

    }

    })
    }

    })
     
    wxss:

    /**上拉加载更多**/

    .tips1{
    height: 60rpx;
    line-height: 60rpx;
    color: #999;
    font-size: 21rpx;
    text-align: center;
    }
    /* */
    .minearea image {
    text-align: center;
    display: block;
    }

    .minearea {
    text-align: center;
    line-height: 3.2rem;
    }

    .page-section {
    76%;
    margin: auto;
    margin-top: 36rpx;
    }

    .weui-input {
    border: solid 1px #e6e6e6;
    height: 90rpx;
    border-radius: 2rpx;
    padding-left: 20rpx;
    padding-right: 20rpx;
    ">#f5f5f5;
    color: #333;
    }

    .page-body {
    margin-top: 120rpx;
    }

    .page-section-title {
    color: #333;
    font-size: 32rpx;
    padding-left: 0rpx;
    }

    .placeholder {
    color: #cbcbcb;
    }

    .btn-area {
    margin-top: 90rpx;
    }
     
     
     
     
     
     
     
     
     
     
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  • 原文地址:https://www.cnblogs.com/xiaohuizhang/p/8872231.html
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