mint-ui Infinite scroll、Loadmore详细使用说明

系统管理员 2021-09-15 15:24 253阅读 0赞

mint-ui Infinite scroll具体案例如下图：

①刚进入页面在发生请求之前会有加载中的图标显示

②在下拉列表过程中，上拉会刷新下一页数据

③原创手打，粘贴就能使用

![70][]![70 1][]

具体代码如下：

<template>
          <div class="project">
                <div class="projectTitle">
                    <div class="selectDiv">
                        <div v-for="(v,i) in selectText" :key="i" :class="[i==selectIndex ? 'selectItem selected' : 'selectItem']" @click="changeNavigation(i)">
                        <span>{
       {v}}</span>
                        <i class="icon iconfont icon-xiajiantou"></i>
                        </div>
                    </div>
                </div>
                <div class="ulDiv" >
                    <ul class="projectUl"
                        v-infinite-scroll="loadMore"
                        infinite-scroll-disabled="isMoreLoading"
                        :infinite-scroll-immediate-check="true"
                        infinite-scroll-distance="10">
                        <li class="projectLi" v-for="(v,i) in list" :key="i" @click="toProjectDetail">
                            <div class="liDes">
                                <p class="title">{
       {v.contract_name}}</p>
                                <p class="titleDes">描述信息</p>
                            </div>
                            <i class="icon iconfont icon-jiantou"></i>
                        </li>
                    </ul>
                    
                    <div class="loading-box tc" v-if="isLoading">
                        <mt-spinner type="snake" class="loading-more"></mt-spinner>
                        <span class="loading-more-txt">加载中...</span>
                    </div>
    
                    <div class="no-more" v-if="noMore">没有更多了~</div>
                </div>
                <LinkTab></LinkTab>
          </div>
    </template>
    
    <script>
    import LinkTab from '@/components/LinkTab.vue'
    import Vue from 'vue'
    import { Spinner, InfiniteScroll, Toast } from 'mint-ui'
    Vue.use(InfiniteScroll)
    Vue.component(Spinner.name, Spinner)
    
    export default {
        name: 'Project',
        data () {
            return {
                selectText: ['待施工', '施工中', '已完工'],
                selectIndex: 0, // 默认施工中
                list: [],
                isLoading: false, // 加载中转菊花
                isMoreLoading: true, // 加载更多中
                noMore: false, // 是否还有更多
                pageInfo: { // 分页信息
                    page: 1,
                    page_size: 15,
                    total: 0, // 总条数
                    totalPage: 1 // 总分页数
                }
            }
        },
        created () {
        },
        mounted () {
            this.getProjectInfo()
        },
        components: {
            LinkTab
        },
        methods: {
            toProjectDetail () {
                this.$router.push({ path: '/gj_ProjectDetail' }) // 跳转项目详情页
            },
            changeNavigation (index) { // 切换标签页
                this.isMoreLoading = true
                this.selectIndex = index
                this.pageInfo.page = 1 // 初始化
                this.pageInfo.totalPage = 1
                this.list = []
                this.noMore = false
                this.getProjectInfo()
            },
            getProjectInfo (type) { // 获取项目列表
                let _this = this
                this.isLoading = true
                this.$http.get('/api/steward/projects', {
                    params: {
                        status: _this.selectIndex,
                        current_page: _this.pageInfo.page,
                        per_page: _this.pageInfo.page_size
                    }
                }).then((res) => {
                    let datas = res.data
                    if (datas.code === 0) {
                        if (type === 'loadMore') {
                            this.list = this.list.concat(datas.data.data)
                        } else {
                            this.list = datas.data.data
                        }
                        // 设置分页
                        this.pageInfo.total = datas.data.total
                        this.pageInfo.totalPage = Math.ceil(this.pageInfo.total / this.pageInfo.page_size)
                        console.log('总页数', Math.ceil(this.pageInfo.total / this.pageInfo.page_size))
                    } else {
                        Toast({
                            message: datas.msg,
                            duration: 2000
                        })
                    }
                    this.isLoading = false
                    this.isMoreLoading = false
                })
            },
            loadMore () { // 加载更多
                this.pageInfo.page += 1 // 增加分页
                this.isMoreLoading = true // 设置加载更多中
                this.isLoading = true // 加载中
                console.log(this.pageInfo.page, this.pageInfo.totalPage)
                if (this.pageInfo.page > this.pageInfo.totalPage) { // 超过了分页
                    this.noMore = true // 显示没有更多了
                    this.isLoading = false // 关闭加载中
                    return false
                }
                // 做个缓冲
                setTimeout(() => {
                    this.getProjectInfo('loadMore')
                }, 100)
            }
        }
    }
    </script>
    
    <style lang="less" scoped>
        @import (reference) "~less/base.less";
        .project{
          .projectTitle{
            position: fixed;
            top: 0;
            width: 100%;
            height: 1.34rem;
            background-color: #ffffff;
            border-bottom: 1px solid #dddddd;
            .selectDiv{
              width: 100%;
              height: 1.34rem;
              display: flex;
              align-items: center;
              justify-content: center;
              .selectItem{
                height: 0.8rem;
                display: flex;
                align-items: center;
                justify-content: center;
                flex-direction: column;
                box-sizing: border-box;
                &:nth-child(1){
                  width: 30%;
                  border-right: 1px solid #dddddd;
                }
                &:nth-child(2){
                  width: 40%;
                  border-right: 1px solid #dddddd;
                }
                &:nth-child(3){
                  width: 30%
                }
                .iconfont {
                  margin-top: 0.2rem;
                  font-size: 0.3rem;
                }
              }
              .selected{
                color:#c6af6c;
              }
            }
          }
            .ulDiv{
                padding: 1.34rem 0 0.94rem 0;
                .projectUl{
                    padding: 0 0 0 0.4rem;
                    .projectLi{
                    height: 1.28rem;
                    line-height: 0.64rem;
                    padding-right: 0.4rem;
                    display: flex;
                    align-items: center;
                    justify-content: space-between;
                    &:not(:last-child){
                        border-bottom: 0.01rem solid #dddddd;
                    }
                    .liDes{
                        width: 90%;
                        p{
                            overflow: hidden;
                            text-overflow: ellipsis;
                            white-space: nowrap;
                        }
                        .title{
                            color:#000000;
                            line-height: 0.4rem;
                            font-size: 0.28rem;
                        }
                        .titleDes{
                            color:#999999;
                            line-height: 0.4rem;
                            font-size: 0.28rem;
                        }
                    }
                    .iconfont {
                        font-size: 0.18rem;
                        color:#999999;
                    }
                    }
                }
                // 加载中。。。
                .loading-box{
                    padding:.1rem 0;
    
                    .loading-more{
                        display:inline-block;
                        vertical-align: middle;
                        margin-right:.2rem;
                    }
                    .loading-more-txt{
                        vertical-align: middle;
                        font-size:.22rem;
                    }
                }
    
                .no-more{
                    color:@c-999;
                    font-size:.16rem;
                    padding:.1rem 0 .2rem;
                    .tc;
                }
            }
        }
    
    </style>

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[70]: https://img-blog.csdn.net/20180630164803830?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1NDMwMDAw/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70
[70 1]: /images/20210813/3f3665ec055844fe9f1b3b254613243f.png
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