微信小程序之 SideBar（侧栏分类）
项目目录：
模拟数据：
utils / data.js
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"http://image.huanqiuxiaozhen.com/%E5%93%81%E7%89%8Clogo%2F%E8%90%A5%E5%85%BB%E4%BF%9D%E5%81%A5%2FHealthy-Care.jpg", "popular": null, "nodes": null } } ] } } ] } }, { "id": 11, "tree": { "id": 11, "desc": "时尚箱包", "desc2": null, "level": "level1", "logo": null, "popular": null, "nodes": [ { "id": 111, "tree": { "id": 111, "desc": "时尚箱包", "desc2": null, "level": "level2", "logo": "http://image.huanqiuxiaozhen.com/%E7%B2%BE%E9%80%89%E5%88%86%E7%B1%BB/%E6%9C%8D%E9%A5%B0%E7%AE%B1%E5%8C%85/%E7%AE%B1%E5%8C%85.jpg", "popular": null, "nodes": [ { "id": 167, "tree": { "id": 167, "desc": "施华洛世奇", "desc2": "SWAROVSKI", "level": "level3", "logo": "http://image.huanqiuxiaozhen.com/%E5%93%81%E7%89%8Clogo/%E6%9C%8D%E9%A5%B0%E7%AE%B1%E5%8C%85/%E6%96%BD%E5%8D%8E%E6%B4%9B%E4%B8%96%E5%A5%87logo.jpeg", "popular": 167, "nodes": null } } ] } } ] } }, { "id": 12, "tree": { "id": 12, "desc": "专场大促", "desc2": null, "level": "level1", "logo": null, "popular": null, "nodes": [ { "id": 121, "tree": { "id": 121, "desc": "原产国奶粉专场", "desc2": null, "level": "level2", "logo": null, "popular": null, "nodes": [ { "id": 50, "tree": { "id": 50, "desc": "和光堂", "desc2": "WaKoDo", "level": "level3", "logo": "http://image.huanqiuxiaozhen.com/%E5%93%81%E7%89%8Clogo%2F%E6%AF%8D%E5%A9%B4%E4%B8%93%E5%8C%BA%2F%E5%85%89%E5%90%88%E5%A0%82.jpg", "popular": null, "nodes": null } } ] } } ] } } ]; return data || [];}module.exports = { getSData: getSData} |
模板一：
1.逻辑层
audiobook.js
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | // pages/audiobook/audiobook.jsvar data_ = require('../../utils/data.js')Page({ /** * 页面的初始数据 */ data: { navLeftItems: [], navRightItems: [], curNav: 1, curIndex: 0 }, /** * 生命周期函数--监听页面加载 */ onLoad: function () { this.setData({ navLeftItems: data_.getSData(), navRightItems: data_.getSData() }) }, //事件处理函数 switchRightTab: function (e) { // 获取item项的id，和数组的下标值 let id = e.target.dataset.id, index = parseInt(e.target.dataset.index); // 把点击到的某一项，设为当前index this.setData({ curNav: id, curIndex: index }) }}) |
2.页面布局
audiobook.wxml
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | <!--pages/audiobook/audiobook.wxml--><!--主盒子--> <view class="container"> <!--左侧栏--> <view class="nav_left"> <block wx:for="{{navLeftItems}}" wx:key="id"> <!--当前项的id等于item项的id，那个就是当前状态--> <!--用data-index记录这个数据在数组的下标位置，使用data-id设置每个item的id值，供打开2级页面使用--> <view class="nav_left_items {{curNav == item.id ? 'active' : ''}}" bindtap="switchRightTab" data-index="{{index}}" data-id="{{item.id}}">{{item.tree.desc}}</view> </block> </view> <!--右侧栏--> <view class="nav_right"> <!--如果有数据，才遍历项--> <view wx:if="{{navRightItems[curIndex].tree.nodes[1].tree.nodes}}"> <block wx:for="{{navRightItems[curIndex].tree.nodes[1].tree.nodes}}" wx:key="id"> <view class="nav_right_items"> <navigator url="../list/index?brand={{item.tree.id}}&typeid={{navRightItems[curIndex].id}}"> <!--用view包裹图片组合，如果有图片就用，无图片提供就使用50x30的这个默认图片--> <view> <block wx:if="{{item.tree.logo}}"> <image src="{{item.tree.logo}}"></image> </block> <block wx:else> <image src="http://temp.im/50x30"></image> </block> </view> <!--如果有文字，就用文字；无文字就用其他--> <view wx:if="{{item.tree.desc}}"> <text>{{item.tree.desc}}</text> </view> <view wx:else> <text>{{item.tree.desc2}}</text> </view> </navigator> </view> </block> </view> <!--如果无数据，则显示数据--> <view wx:else>暂无数据</view> </view> </view> |
3.样式
audiobook.wxss
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | /* pages/audiobook/audiobook.wxss */page{ background: #f5f5f5; } /*总体主盒子*/ .container { position: relative; width: 100%; height: 100%; background-color: #fff; color: #939393; } /*左侧栏主盒子*/ .nav_left{ /*设置行内块级元素（没使用定位）*/ display: inline-block; width: 25%; height: 100%; /*主盒子设置背景色为灰色*/ background: #f5f5f5; text-align: center; } /*左侧栏list的item*/ .nav_left .nav_left_items{ /*每个高30px*/ height: 30px; /*垂直居中*/ line-height: 30px; /*再设上下padding增加高度，总高42px*/ padding: 6px 0; /*只设下边线*/ border-bottom: 1px solid #dedede; /*文字14px*/ font-size: 14px; } /*左侧栏list的item被选中时*/ .nav_left .nav_left_items.active{ /*背景色变成白色*/ background: #fff; } /*右侧栏主盒子*/ .nav_right{ /*右侧盒子使用了绝对定位*/ position: absolute; top: 0; right: 0; flex: 1; /*宽度75%，高度占满，并使用百分比布局*/ width: 75%; height: 100%; padding: 10px; box-sizing: border-box; background: #fff; } /*右侧栏list的item*/ .nav_right .nav_right_items{ /*浮动向左*/ float: left; /*每个item设置宽度是33.33%*/ width: 33.33%; height: 80px; text-align: center; } .nav_right .nav_right_items image{ /*被图片设置宽高*/ width: 50px; height: 30px; } .nav_right .nav_right_items text{ /*给text设成块级元素*/ display: block; margin-top: 5px; font-size: 10px; /*设置文字溢出部分为...*/ overflow: hidden; white-space: nowrap; text-overflow: ellipsis; } |
4.效果图
模板二：
1.逻辑层
mine.js
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | // pages/mine/mine.jsPage({ /** * 页面的初始数据 */ data: { cateItems: [ { cate_id: 1, cate_name: "护肤", ishaveChild: true, children: [ { child_id: 1, name: '洁面皂', image: "http://mz.djmall.xmisp.cn/files/logo/20161208/148117972563.jpg" }, { child_id: 2, name: '卸妆', image: "http://mz.djmall.xmisp.cn/files/logo/20161207/148110444480.jpg" }, { child_id: 3, name: '洁面乳', image: "http://mz.djmall.xmisp.cn/files/logo/20161208/148117973270.jpg" }, { child_id: 4, name: '面部祛角质', image: "http://mz.djmall.xmisp.cn/files/logo/20161208/148117981591.jpg" } ] }, { cate_id: 2, cate_name: "彩妆", ishaveChild: true, children: [ { child_id: 1, name: '气垫bb', image: "http://mz.djmall.xmisp.cn/files/logo/20161212/14815381301.jpg" }, { child_id: 2, name: '修容/高光', image: "http://mz.djmall.xmisp.cn/files/logo/20161212/14815381411.jpg" }, { child_id: 3, name: '遮瑕', image: "http://mz.djmall.xmisp.cn/files/logo/20161212/148153815181.jpg" }, { child_id: 4, name: '腮红', image: "http://mz.djmall.xmisp.cn/files/logo/20161212/148153815759.jpg" }, { child_id: 5, name: '粉饼', image: "http://mz.djmall.xmisp.cn/files/logo/20161212/148153816983.jpg" }, { child_id: 6, name: '粉底', image: "http://mz.djmall.xmisp.cn/files/logo/20161212/148153817721.jpg" }, { child_id: 7, name: '蜜粉/散粉', image: "http://mz.djmall.xmisp.cn/files/logo/20161212/148153819354.jpg" }, { child_id: 8, name: '隔离霜', image: "http://mz.djmall.xmisp.cn/files/logo/20161215/148179053369.jpg" } ] }, { cate_id: 3, cate_name: "香水/香氛", ishaveChild: true, children: [ { child_id: 1, name: '淡香水EDT', image: "http://mz.djmall.xmisp.cn/files/logo/20161213/14815978910.jpg" }, { child_id: 2, name: '浓香水EDP', image: "http://mz.djmall.xmisp.cn/files/logo/20161213/148159789883.jpg" }, { child_id: 3, name: '香体走珠', image: "http://mz.djmall.xmisp.cn/files/logo/20161213/14815979307.jpg" }, { child_id: 4, name: '古龙香水男士的最爱', image: "http://mz.djmall.xmisp.cn/files/logo/20161213/148159765589.jpg" } ] }, { cate_id: 4, cate_name: "个人护理", ishaveChild: false, children: [] } ], curNav: 1, curIndex: 0 }, /** * 生命周期函数--监听页面加载 */ onLoad: function (options) { }, //事件处理函数 switchRightTab: function (e) { // 获取item项的id，和数组的下标值 let id = e.target.dataset.id, index = parseInt(e.target.dataset.index); // 把点击到的某一项，设为当前index this.setData({ curNav: id, curIndex: index }) }}) |
2.页面布局
mine.wxml
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | <!--pages/mine/mine.wxml--><!--主盒子--><view class="container"> <!--左侧栏--> <view class="nav_left"> <block wx:for="{{cateItems}}" wx:key="id"> <!--当前项的id等于item项的id，那个就是当前状态--> <!--用data-index记录这个数据在数组的下标位置，使用data-id设置每个item的id值，供打开2级页面使用--> <view class="nav_left_items {{curNav == item.cate_id ? 'active' : ''}}" bindtap="switchRightTab" data-index="{{index}}" data-id="{{item.cate_id}}">{{item.cate_name}}</view> </block> </view> <!--右侧栏--> <view class="nav_right"> <!--如果有数据，才遍历项--> <view wx:if="{{cateItems[curIndex].ishaveChild}}"> <block wx:for="{{cateItems[curIndex].children}}" wx:key="id"> <view class="nav_right_items"> <!--界面跳转 --> <navigator url="../../detail/detail}}"> <image src="{{item.image}}"></image> <text>{{item.name}}</text> </navigator> </view> </block> </view> <!--如果无数据，则显示数据--> <view class="nodata_text" wx:else>该分类暂无数据</view> </view></view> |
3.样式
mine.wxss
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | /* pages/mine/mine.wxss */page{ background: #f5f5f5; } /*总体主盒子*/ .container { position: relative; width: 100%; height: 100%; background-color: #fff; color: #939393; } /*左侧栏主盒子*/ .nav_left{ /*设置行内块级元素（没使用定位）*/ display: inline-block; width: 25%; height: 100%; /*主盒子设置背景色为灰色*/ background: #f5f5f5; text-align: center; } /*左侧栏list的item*/ .nav_left .nav_left_items{ /*每个高30px*/ height: 40px; /*垂直居中*/ line-height: 40px; /*再设上下padding增加高度，总高42px*/ padding: 6px 0; /*只设下边线*/ border-bottom: 1px solid #dedede; /*文字14px*/ font-size: 14px; } /*左侧栏list的item被选中时*/ .nav_left .nav_left_items.active{ /*背景色变成白色*/ background: #fff; color: #f0145a; } /*右侧栏主盒子*/ .nav_right{ /*右侧盒子使用了绝对定位*/ position: absolute; top: 0; right: 0; flex: 1; /*宽度75%，高度占满，并使用百分比布局*/ width: 75%; height: 1000px; padding: 10px; box-sizing: border-box; background: #fff; } /*右侧栏list的item*/ .nav_right .nav_right_items{ /*浮动向左*/ float: left; /*每个item设置宽度是33.33%*/ width: 33.33%; height: 120px; text-align: center; } .nav_right .nav_right_items image{ /*被图片设置宽高*/ width: 60px; height: 60px; margin-top: 15px; } .nav_right .nav_right_items text{ /*给text设成块级元素*/ display: block; margin-top: 15px; font-size: 14px; color: black; /*设置文字溢出部分为...*/ overflow: hidden; white-space: nowrap; text-overflow: ellipsis; } .nodata_text{ color: black; font-size: 14px; text-align: center; } |
4.效果图
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