SpringBoot构建电商基础秒杀项目 学习笔记
ItemDOMapper.xml 添加
<select id="listItem" resultMap="BaseResultMap">
select
<include refid="Base_Column_List" />
from item
order by sales desc
</select>
ItemDOMapper 添加
List<ItemDO> listItem();
ItemServiceImpl 添加
@Override
public List<ItemModel> listItem() {
List<ItemDO> itemDOList = itemDOMapper.listItem();
List<ItemModel> itemModelList = itemDOList.stream().map(itemDO -> {
ItemStockDO itemStockDO = itemStockDOMapper.selectByItemId(itemDO.getId());
ItemModel itemModel = convertFromDataObject(itemDO, itemStockDO);
return itemModel;
}).collect(Collectors.toList());
return itemModelList;
}
ItemController 添加
@RequestMapping(value = "/list", method = {RequestMethod.GET})
@ResponseBody
public CommonReturnType listItem(){
List<ItemModel> itemModelList = itemService.listItem();
List<ItemVO> itemVOList = itemModelList.stream().map(itemModel -> {
ItemVO itemVO = convertFromModel(itemModel);
return itemVO;
}).collect(Collectors.toList());
return CommonReturnType.create(itemVOList);
}
新建列表 & 详情页面
<html>
<head>
<meta charset="UTF-8">
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
</head>
<body>
<div id="app">
<!--<item-list-->
<!--v-for="item in items"-->
<!--v-bind:item="item"-->
<!--v-bind:key="item.id"></item-list>-->
<template>
<el-table
:data="items"
@row-click="handleClick"
stripe
style=" 100%">
<el-table-column
prop="title"
label="商品名"
width="180">
</el-table-column>
<el-table-column
label="商品图片"
width="180">
<template slot-scope="scope">
<img :src="scope.row.imgUrl" min-width="70" height="70" />
</template>
</el-table-column>
<el-table-column
prop="description"
label="商品描述">
</el-table-column>
<el-table-column
prop="price"
label="商品价格">
</el-table-column>
<el-table-column
prop="stock"
label="商品库存">
</el-table-column>
<el-table-column
prop="sales"
label="商品销量">
</el-table-column>
</el-table>
</template>
</div>
</body>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script src="https://cdn.bootcss.com/axios/0.18.0/axios.min.js"></script>
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
<script>
// Vue.component('item-list',{
// props: ['item'],
// template:'<li>{{item.title}}</li>'
// });
var app = new Vue({
el: '#app',
data: {
items: [],
},
methods: {
getItems(){
// https://www.cnblogs.com/yesyes/p/8432101.html
axios({
method: 'get',
url: 'http://localhost:8080/item/list',
withCredentials: true,
})
.then(resp=>{
if(resp.data.status == 'success'){
this.items = resp.data.data;
}else{
this.$message.error('获取商品列表失败，原因为：' + resp.data.data.errMsg);
}
})
.catch(err =>{
this.$message.error('获取商品列表失败，原因为：' + err.status + ', ' + err.statusText);
});
},
handleClick(row){
window.location.href='getitem.html?id=' + row.id;
},
},
mounted() {
this.getItems()
},
});
</script>
</html>
<body>
<div id="app">
<el-row>
<el-col :span="8" :offset="8">
<h3>{{item.title}}</h3>
<el-form ref="form" :model="form" label-width="80px">
<el-form-item label="商品描述">
<label>{{item.description}}</label>
</el-form-item>
<el-form-item label="价格">
<label>{{item.price}}</label>
</el-form-item>
<el-form-item label="图片">
<img :src="item.imgUrl" min-width="70" height="70" />
</el-form-item>
<el-form-item label="库存">
<label>{{item.stock}}</label>
</el-form-item>
<el-form-item label="销量">
<label>{{item.sales}}</label>
</el-form-item>
</el-form>
</el-col>
</el-row>
</div>
</body>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script src="https://cdn.bootcss.com/axios/0.18.0/axios.min.js"></script>
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
<script>
var app = new Vue({
el: '#app',
data: {
item: {},
form: {
id: 0,
},
enable: true,
},
methods: {
getItem(){
this.form.id = this.getUrlKey("id");
// https://www.cnblogs.com/yesyes/p/8432101.html
axios({
method: 'get',
url: 'http://localhost:8080/item/get',
params: this.form,
withCredentials: true,
})
.then(resp=>{
if(resp.data.status == 'success'){
this.item = resp.data.data;
}else{
this.$message.error('获取商品失败，原因为：' + resp.data.data.errMsg);
}
})
.catch(err =>{
this.$message.error('获取商品失败，原因为：' + err.status + ', ' + err.statusText);
});
},
// https://www.cnblogs.com/xyyt/p/6068981.html
getUrlKey(name){
return decodeURIComponent(
(new RegExp('[?|&]'+name+'='+'([^&;]+?)(&|#|;|$)')
.exec(location.href)||[,""])[1].replace(/+/g,'%20'))||null;
},
},
mounted() {
this.getItem()
},
});
</script>