uniapp-商城-43-shop 后台管理 页面

后台管理较为简单，主要用于后台数据的管理，包含商品类别和商品信息，其实还可以扩展到管理用户等等

1、后台首页

包含 分类管理  商品管理  关于商家等几个栏目

主要代码：

<template><view class="manage"><!-- 商品管理后台 --><!-- uni-section标题栏 组件来完成   https://zh.uniapp.dcloud.io/component/uniui/uni-section.html--><uni-section title="分类管理" type="line"></uni-section><!-- 使用列表组件  uni-list  uni-list-item 完成    https://zh.uniapp.dcloud.io/component/uniui/uni-list.html --><uni-list><uni-list-item title="管理分类" show-arrow to="/pages_manage/category/category"></uni-list-item></uni-list><uni-section title="商品管理" type="line"></uni-section><uni-list><uni-list-item title="商品列表" show-arrow to="/pages_manage/goods/list"></uni-list-item><uni-list-item title="新增商品" show-arrow to="/pages_manage/goods/add"></uni-list-item></uni-list><uni-section title="关于商家" type="line"></uni-section><uni-list><uni-list-item title="商家信息" show-arrow to="/pages_manage/brand/brand"></uni-list-item></uni-list></view>
</template><script>export default {data() {return {};}}
</script><style lang="scss" scoped>
.manage{padding:30rpx;
}
</style>

2、分类管理

由于对商品的类别进行划分，可以添加、修改和删除

新增分类；对已有分类进行修改和删除

代码：

页面展示以及操作方法

<template><view class="category"><!-- 分类管理 --><!-- 第二步 --><!-- 这里的row add 中间有一个空格，下面样式就可以写成 .row.add --><view class="row add" @click="clickAdd"><view class="left"><!-- https://uviewui.com/components/icon.html 使用的是uview的icon --><u-icon name="plus" color="#576b95" size="22"></u-icon><text class="text">新增分类</text></view></view><!-- 第一步 --><view class="row" v-for="(item,index) in categoryList" :key="item._id"><view class="left"><!-- 分类名称 --><view class="name">{{item.name}}</view></view><view class="right"><!-- 编辑和删除图标 --><!-- 使用的u-icon组件，自动生成一个class名字为 u-icon --><u-icon name="edit-pen" size="26" color="#576b95" @click="updateData(item._id,item.name)"></u-icon><u-icon name="trash" size="26" color="#EC544F" @click="deleteData(item._id)"></u-icon></view></view><!-- 第三步 --><!-- https://uniapp.dcloud.net.cn/component/uniui/uni-popup.html 使用这里弹出层 官方  使用的是输入框示例 --><!-- 下载安装相应的组件  ref来获取方法进行相应的动作，uview 是通过show 来完成相应的动作 --><!-- @confirm 这是一个回调函数，我们通过这就知道输入的到底是什么 --><uni-popup ref="inputDialog"><uni-popup-dialog mode="input" :value="iptValue"placeholder="请输入分类名称"title="分类名称" @confirm="dialogConfirm"></uni-popup-dialog></uni-popup></view>
</template><script>const db = uniCloud.database()export default {data() {return {// categoryList:[{_id:1,name:"水果"},{_id:2,name:"肉类"}],// 上面是模拟数据  实际写的是空 下面这样的  真实数据来之云存储，并给该变量赋值categoryList:[],iptValue:"",updateID:null};},onLoad() {this.getCateGory()},methods:{//获取数据库中的分类getCateGory(){db.collection("kt-mall-category").get().then(res=>{console.log(res);this.categoryList = res.result.data})},//添加分类clickAdd(){this.iptValue=""this.updateID=null;//https://uniapp.dcloud.net.cn/component/uniui/uni-popup.html  使用的是Popup Methods中open  // 这里的inputDialog 的属性是ref在uni-popup中// 所以这里使用的是 this.$refs.inputDialog.open();this.$refs.inputDialog.open();},//点击确认按钮async dialogConfirm(e){this.iptValue = e;if(this.updateID){await db.collection("kt-mall-category").doc(this.updateID).update({name:this.iptValue})		}else{await db.collection("kt-mall-category").add({name:this.iptValue})}		this.iptValue = "";//把输入或修改的值改为空，以免下一次在调用就还有上一次的值this.getCateGory();	},//修改一条分类updateData(id,name){this.iptValue=name;this.updateID=id;this.$refs.inputDialog.open();},//删除一条分类deleteData(id){uni.showModal({content:"是否删除该分类?",success:res=>{if(res.confirm){db.collection("kt-mall-category").doc(id).remove().then(res=>{this.getCateGory();})							}},fail:err=>{console.log(err);}})}}}
</script><style lang="scss">
.category{padding:30rpx;.row{@include flex-box();border-bottom: 1px solid $border-color-light;padding:26rpx 0;.left{font-size: 34rpx;}.right{@include flex-box();//使用的u-icon组件，自动生成一个class名字为 u-icon .u-icon{margin-left:30rpx;}}}// 对应的class 就是 row add.row.add{.left{color:$brand-theme-color-aux;@include flex-box();.text{font-size: 36rpx;padding-left:10rpx;}}}
}
</style>

3、商品管理

包含商品列表和新增商品

添加商品代码：

<template><view class="goodsView"><!-- 添加商品 --><uni-forms ref="goodsForm" :model="goodsFormData" :rules="goodsRules" :label-width="100" label-align="right"><uni-forms-item label="商品图片"><uni-file-pickerv-model="goodsFormData.thumb"fileMediatype="image"mode="grid"></uni-file-picker></uni-forms-item><uni-forms-item label="商品名称" required name="name"><uni-easyinput v-model="goodsFormData.name" placeholder="请输入商品名称" trim="both"></uni-easyinput></uni-forms-item><uni-forms-item label="产品分类" required name="category_id"><uni-data-selectcollection="kt-mall-category"field="_id as value, name as text"v-model="goodsFormData.category_id"></uni-data-select></uni-forms-item><uni-forms-item label="商品价格" required name="price"><uni-easyinput type="number" v-model="goodsFormData.price" placeholder="请输入商品价格" trim="both"></uni-easyinput></uni-forms-item><uni-forms-item label="商品原价"><uni-easyinput type="number" v-model="goodsFormData.before_price" placeholder="请输入原价" trim="both"></uni-easyinput></uni-forms-item><uni-forms-item label="商品属性"><u-cell :title="skuTitle" isLink :border="false" @click="clickSelect"></u-cell><view class="skuList"><view class="item" v-for="item in goodsFormData.sku_select" @click="clickSelect"><view class="left">{{item.skuName}}:</view><view class="right">{{skuChildName(item.children)}}</view></view></view></uni-forms-item><uni-forms-item label="商品描述"><uni-easyinput type="textarea" placeholder="请输入详细的描述信息" v-model="goodsFormData.description"></uni-easyinput></uni-forms-item><view class="btnView"><button type="primary" @click="onSubmit">确认提交</button></view></uni-forms><uni-popup ref="attrWrapPop" type="bottom"><view class="attrWrapper"><view class="head"><view class="title">商品属性</view><view class="addAttr" @click="clickAddAttr()">+ 添加属性</view></view>				<view class="body"><view class="item" v-for="(item,index) in skuArr"><view class="top">							<checkbox :checked="item.checked" @click="changeCheckbox(index)"></checkbox><view class="font">{{item.skuName}}</view></view><view class="btnGroup" v-if="item.checked"><view class="btn" :class="child.checked?'active':''"v-for="(child,cIdx) in item.children" @click="clickChlidBtn(index,cIdx)">{{child.name}}</view><view class="btn" @click="clickAddAttr(index)"><u-icon name="plus"></u-icon></view></view></view></view><view class="foot"><button type="primary" @click="clickConfirmSelect">确认选择</button></view></view><view class="safe-area-bottom"></view></uni-popup><uni-popup ref="addAttrPop"><uni-popup-dialog  mode="input" title="新增" placeholder="请输入新增的内容"@confirm="dialogConfirm"></uni-popup-dialog></uni-popup></view>
</template><script>const skuCloudObj = uniCloud.importObject("kt-mall-sku",{"customUI":true});const goodsCloudObj = uniCloud.importObject("kt-mall-goods",{"customUI":true})export default {data() {return {goodsFormData:{thumb:[],name:"",category_id:null,price:null,before_price:null,description:"",sku_select:[]},addAttrType:"parent",  //parent代表父，child代表子goodsRules:{name:{rules:[{required:true,errorMessage:"请输入产品名称"}]},price:{rules:[{required:true,errorMessage:"请输入产品价格"}]},category_id:{rules:[{required:true,errorMessage:"请输入产品分类"}]}},skuArr:[]};},onLoad(){},computed:{skuTitle(){if(this.goodsFormData.sku_select.length){let arr = this.goodsFormData.sku_select.map(item=>{return item.skuName})return arr.join("/")}else{return "点击添加属性"}}},methods:{//属性返回子元素的名称skuChildName(arr){let nsArr =  arr.map(item=>{return item.name})return nsArr.join("/")},		//点击确认选择clickConfirmSelect(){let arr = this.skuArr.filter(item=>{let state =  item.children.some(child=>child.checked)return item.checked && state}).map(item=>{let children =  item.children.filter(child=>{return child.checked})return {...item,children}})this.goodsFormData.sku_select = arrthis.$refs.attrWrapPop.close();			},//获取sku列表async getSkuData(){let res = await skuCloudObj.get();this.skuArr = res.dataconsole.log(res);},//点击添加属性clickAddAttr(index=null){if(index==null){this.addAttrType="parent"this.attrIndex=null}else{this.addAttrType="child"this.attrIndex=index}this.$refs.addAttrPop.open();},			//添加属性弹窗的确认按钮async dialogConfirm(e){if(!e) return;	if(this.addAttrType=="parent"){let obj={skuName:e,checked:true,children:[]}let res = await skuCloudObj.add(obj)obj._id = res.id;					this.skuArr.push(obj)					}else if(this.addAttrType=="child"){					let obj={name:e,checked:true}let id = this.skuArr[this.attrIndex]._id;let res = await  skuCloudObj.updateChild(id,obj)					this.skuArr[this.attrIndex].children.push(obj)}},//点击属性的复选框changeCheckbox(index){this.skuArr[index].checked  = !this.skuArr[index].checked },//点击属性值的子元素clickChlidBtn(index,cIdx){this.skuArr[index].children[cIdx].checked =  !this.skuArr[index].children[cIdx].checked},//点击选择属性clickSelect(){this.$refs.attrWrapPop.open();if(this.skuArr.length) return;this.getSkuData();},//点击提交表单onSubmit(){this.$refs.goodsForm.validate().then(res=>{this.toDataBase();}).catch(err=>{console.log(err);})},//上传到云数据库async toDataBase(){this.goodsFormData.thumb = this.goodsFormData.thumb.map(item=>{return {url:item.url,name:item.name,extname:item.extname}})let res = await goodsCloudObj.add(this.goodsFormData)uni.showToast({title:"新增商品成功"})setTimeout(()=>{uni.navigateBack()},1500)				}}}
</script><style lang="scss" scoped>
.goodsView{padding:30rpx;.skuList{.item{padding:30rpx;background: $page-bg-color;margin:15rpx 0;@include flex-box-set(start);}}
}.attrWrapper{padding:30rpx;background: #fff;border-radius: 20rpx 20rpx 0 0;.head{@include flex-box();font-size: 34rpx;margin-bottom:30rpx;.title{font-weight: bold;}.addAttr{color:$brand-theme-color-aux;}}.body{.item{border-top:1px solid $border-color-light;&:last-child{border-bottom:1px solid $border-color-light;}.top{padding:30rpx 0;@include flex-box-set(start);.font{padding-left: 10rpx;font-weight: bold;}}.btnGroup{padding:10rpx 0 30rpx;@include flex-box-set(start);flex-wrap: wrap;.btn{padding:0rpx 25rpx;height: 60rpx;border:1rpx solid $border-color-light;margin-right: 20rpx;border-radius: 10rpx;					color:$text-font-color-2;margin-bottom:20rpx;@include flex-box-set();&.active{border-color: $brand-theme-color;color:$brand-theme-color;background: rgba(236,87,79,0.1);}}}}}.foot{padding:50rpx 200rpx;}
}
</style>

4、关于商家

商家信息展示和修改

代码：

<template><view class="brand"><!-- 商户信息 --><uni-forms ref="brandRef" :model="brandFormData" :rules="brandRules" :label-width="100" label-align="right"><uni-forms-item label="品牌招牌"><uni-file-picker v-model="brandFormData.thumb" fileMediatype="image" mode="grid":limit="1"/></uni-forms-item><uni-forms-item label="品牌名称" name="name" required><uni-easyinput type="text" v-model="brandFormData.name" placeholder="请输入品牌名称" /></uni-forms-item><uni-forms-item label="商户电话" name="mobile" required><uni-easyinput type="text" v-model="brandFormData.mobile" placeholder="请输入商户电话" /></uni-forms-item><uni-forms-item label="商户地址" name="address"><uni-easyinput v-model="brandFormData.address" placeholder="请输入商户地址" /></uni-forms-item><uni-forms-item label="商家介绍" name="about"><uni-easyinput v-model="brandFormData.about" placeholder="请输入商家介绍" type="textarea" /></uni-forms-item><button type="primary" @click="onSubmit">提交信息</button></uni-forms></view>
</template><script>const brandCloudObj = uniCloud.importObject("kt-mall-brand")export default {data() {return {brandFormData: {thumb:[],name: "", //品牌名称mobile: "",address:"",about:""},brandRules: {name: {rules: [{required: true,errorMessage: "请输入正确的品牌名称"}, {minLength: 3,maxLength: 20,errorMessage: '长度在{minLength}到{maxLength}的字符'}]},mobile: {rules: [{required: true,errorMessage: "请输入正确的品牌电话"}, {validateFunction: function(rule, value, data, callback) {let res = /^1[3-9]\d{9}$/.test(value);if (!res) {callback("手机格式不正确")}return;}}]}}};},onLoad(){this.getBrand();},methods: {//获取数据库中的品牌信息getBrand(){brandCloudObj.get().then(res=>{console.log(res);this.brandFormData = res.data[0]})},//点击提交按钮onSubmit() {								this.$refs.brandRef.validate().then(res => {let arr =  this.brandFormData.thumb.map(item=>{return {extname:item.extname,url:item.url,name:item.name,size:item.size}})this.brandFormData.thumb = arr;this.addAndUpdate();}).catch(err => {console.log(err);})},//新增或者修改品牌啊信息addAndUpdate(){if(this.brandFormData._id){brandCloudObj.update(this.brandFormData).then(res=>{uni.showToast({title:"修改成功",mask:true})setTimeout(()=>{uni.navigateBack();},1500)})}else{//新增brandCloudObj.add(this.brandFormData).then(res=>{uni.showToast({title:"新增成功"})setTimeout(()=>{uni.navigateBack();},1500)})}}}}
</script><style lang="scss" scoped>.brand {padding: 30rpx;}
</style>