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Day006 UniApp 开发 商品分类 列表页和设置页。

Day006 UniApp 开发 商品分类 列表页和设置页。

作者: LuckyBugGo | 来源:发表于2022-12-21 13:53 被阅读0次

1. 创建分包和引入页面

  1. 新增目录pages_goods
  2. pages.json添加
    "subPackages": [ // 分包
        {
            "root": "pages_goods",
            "pages": []
        }
    ],
  1. 新建页面
图片.png

2. 开发列表页

2.1 页面开发

1. 开发导航栏

category/list/list.vue

<template>
    <view>
        <lucky-tab-nav show_number :tab_nav_list="nav_bars" active_color="#1F4037" :tab_index="nav_index"
            @change_nav="click_nav" item_align="space-around" :show_sort="false"></lucky-tab-nav>
    </view>
</template>

<script>
    export default {
        data() {
            return {
                nav_index: 0,
                nav_bars: [ 
                    {
                        title: "全部分类",
                        type: null,
                        number: 0,
                        list: [],
                        page: 1,
                        size: 20,
                        refreshing: false,
                        load_more_status: 'more',
                    },
                    {
                        title: "关联商品",
                        type: "goods",
                        number: 0,
                        list: [],
                        page: 1,
                        size: 20,
                        refreshing: false,
                        load_more_status: 'more',
                    }, {
                        title: "关联促销",
                        type: "promotion",
                        number: 0,
                        list: [],
                        page: 1,
                        size: 20,
                        refreshing: false,
                        load_more_status: 'more',
                    }
                ]
            };
        }
    }
</script>

效果图

图片.png

2. 接入接口

api下新建 goods 文件夹,在goods新建index.jscategory.js
index.js 中:


import category from 'category.js'

export default {
    category
}

category.js 中:

import request from "@/util/request.js"

const app = 'goods'

// 详情 商品分类
function detail_goods_category(param){
    param.api = '/'+app+'/detail_goods_category'
    param.app = app
    param.name = '详情 商品分类'
    request.post_json_request(param)
}

// 查询 商品分类
function search_goods_category(param){
    param.api = '/'+app+'/search_goods_category'
    param.app = app
    param.name = '查询 商品分类'
    request.post_json_request(param)
}

// 保存 商品分类
function save_goods_category(param){
    param.api = '/'+app+'/save_goods_category'
    param.app = app
    param.name = '保存 商品分类'
    request.post_json_request(param)
}

export default {
    detail_goods_category,
    save_goods_category,
    search_goods_category
}

pages_goods/category/list.vue中接入接口

<script>
    export default {
        
        onShow() {
            this.load_data('refresh')
        },
        methods: {
            load_data(type){
                
                this.$app_api.goods.category.search_goods_category({
                    data: {},
                    success: res=>{
                        
                    }
                })
                
            }
        }
    }
</script>

env/index.js 中的默认环境改为dev

let env = env_dev // 默认是 生产环境

function setup_app_env() {
    let envType = uni.getStorageSync(app_define.ENV_TYPE)
    if (envType == undefined) {
        之前没有设置过
        this.main_host = env_dev.main_host
        this.cen_host = env_dev.cen_host
    }
}

查询商品分类的接口已经请求成功:

请求成功.png

3. 联调数据

list.vue 中:

<template>
    <view>
        
        <!-- 分页滑动栏 -->
        <swiper class="nav-swiper" :current="nav_index" @change="nav_swiper_change">
            <swiper-item v-for="(nav_item, index_nav) in nav_bars" :key="index_nav">
                <scroll-view
                    scroll-y
                    style="height: 100%;"
                    @scrolltolower="load_data('load')"
                    @refresherrefresh="load_data('refresh')"
                    :refresher-triggered="nav_item.refreshing"
                    refresher-enabled
                >
                    <view class="category-cell" v-for="(item, index) in nav_item.list" :key="index">
                        <text>{{ item.name }}</text>
                    </view>
                </scroll-view>
            </swiper-item>
        </swiper>
    </view>
</template>

<script>
    export default {
        methods: {
            click_nav(index) {
                this.switch_tab(index);
            },
            nav_swiper_change(e) {
                let index = e.target.current || e.detail.current;
                this.switch_tab(index);
            },
            switch_tab(index) {
                if (this.nav_index === index) return;
            
                this.nav_index = index;
            
                if (this.nav_bars[this.nav_index].list.length == 0) {
                    this.load_data('refresh');
                }
            },
            load_before_data(nav_item, type) {
                if (type == 'load' && nav_item.load_more_status == 'noMore') {
                    return 'break';
                }
            
                if (type == 'refresh' && nav_item.load_more_status == 'loading') {
                    return 'break';
                }
            
                if (type == 'refresh') {
                    nav_item.page = 1;
                    nav_item.refreshing = true;
                }
            
                if (type == 'load') {
                    nav_item.page = nav_item.page + 1;
                }
            
                nav_item.load_more_status = 'loading';
                return 'continue';
            },
            load_after_data(nav_item, type, list) {
                if (type == 'refresh') {
                    nav_item.list = list;
                    nav_item.refreshing = false;
                    uni.stopPullDownRefresh();
                }
            
                if (type == 'load') {
                    nav_item.list = nav_item.list.concat(list);
                }
            
                if (list.length < nav_item.size) {
                    nav_item.load_more_status = 'noMore';
                } else {
                    nav_item.load_more_status = 'more';
                }
            },
            load_data(type){
                
                let nav_item = this.nav_bars[this.nav_index];
                
                let flag = this.load_before_data(nav_item, type);
                
                if (flag == 'break') {
                    return;
                }
                
                let param = {
                    page: nav_item.page,
                    size: nav_item.size
                };
                
                this.$app_api.goods.category.search_goods_category({
                    data: param,
                    success: res => {
                        let list = res.data.data;
                        this.load_after_data(nav_item, type, list);
                    },
                    complete: () => {
                        setTimeout(function() {
                            uni.stopPullDownRefresh();
                            nav_item.refreshing = false;
                        }, 200);
                    }
                })
                
            }
        }
    }
</script>

<style lang="scss">
    .category-cell {
        margin: 30rpx;
        padding: 20rpx;
        border-radius: 20rpx;
        background: #F8F8F8;
        box-shadow:  5px 5px 10px #d3d3d3, 
                     -5px 5px 10px #ffffff;
    }
    
    .nav-swiper {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
    
        swiper-item {
            flex-grow: 1;
        }
    }
</style>

效果图:

图片.png

4. 添加功能按钮

页面脚部功能按钮

<template>
    <view>
        <lucky-footer-action>
            <lucky-footer-item title="新增分类" @click=""></lucky-footer-item>
        </lucky-footer-action>
    </view>
</template>

列表项功能按钮

4. 开发设置页

5. 联调接口

6. 提交体验版

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