Tag：commodity
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Time：2020-11-28
This article first appeared in the CSDN blog City Angel of the same name article: beginners do not point in too much loss, MySQL database super complete knowledge point summary! . 1 database overview 1.1 what is a database A database is a file system, but we need to operate the file system through the […]
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Time：2020-11-27
FlinkCommodityRecommendationSystem Recs Flink commodity recommendation system 1. Preface The system is namedRecs, inspired byRecommendation System。 The logo is made by online logo website. The author developed the project for learningFlinkAnd related big data middleware. For the purpose of demonstration, the matching web is developed by using springboot + Vue. The author has the experience of […]
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Time：2020-11-22
task Crawling https://www.aliexpress.com/wholesale?SearchText=cartoon+case&d=y&origin=n&catId=0&initiative_ id=SB_ As the page is loaded asynchronously, we need to use selenium simulation browser to obtain the product URL. However, the speed of directly using selenium to locate web elements is very slow, so we need to combine re or beautiful soup to improve crawling efficiency. Simulated landing Use selenium to […]
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Time：2020-11-22
preparation The first step is to create a new module named 10 – springboot – goods – VueThe second step is to add Maven dependency and make preliminary configuration (copy is enough)The third step is to copy all interfaces and classes in POJO, Dao and service packagesStep 4 copy the static resources to the static […]
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Time：2020-11-21
1、 Analysis background With the continuous development of e-commerce industry in the Internet era, the e-commerce market is becoming more and more saturated, and the competition among e-commerce platforms has entered a white hot stage. Therefore, data analysis of user behavior has become the top priority of platform operation. Based on the Taobao user behavior […]
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Time：2020-11-14
Author Zhang Jianfei, senior technical expert of Alibaba Reading guideAccording to the differences of business in different scenarios, we often use if else to implement different business logic, and the code becomes more and more difficult to maintain over time. So how to eliminate these if else? How to think and analyze complex business? This […]
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Time：2020-11-13
1. Ajax enhancement 1.1 Ajax features Using Ajax features: local refresh, asynchronous responseSynchronization disadvantage: if the request of synchronization is made, the user can not do any operation and can only wait for the completion of the task. The user is not friendly 1.2 about Ajax call description `<%@ page language=”java” contentType=”text/html; charset=utf-8″ pageEncoding=”utf-8″%> <%@ […]
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Time：2020-11-13
preparation The first step is to create a new module named 10 – springboot – goods – VueThe second step is to add Maven dependency and make preliminary configuration (copy is enough)The third step is to copy all interfaces and classes in POJO, Dao and service packagesStep 4 copy the static resources to the static […]
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Time：2020-11-12
1. Complete the background management of commodities 1.1 presentation of table data 1.1.1 edit page `</script>–> <table class=”easyui-datagrid” style=”width:500px;height:300px” data-options=”url:’datagrid_data.json’,method:’get’,fitColumns:true,singleSelect:true,pagination:true”> <thead> <tr> <th data-options=”field:’code’,width:100″>Code</th> <th data-options=”field:’name’,width:100″>Name</th> <th data-options=”field:’price’,width:100,align:’right'”>Price</th> </tr> </thead> </table>` 1.1.2 description of return value type Attribute information: total / rows / attribute element `{ “total”:2000, “rows”:[ {“code”: “a”, “name”: “juice”, “price”: “20”}, {code […]
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Time：2020-10-29
The characteristic of wechat mall is that it can help enterprises to show their products to individuals, and at the same time, it can let consumers shop anytime, anywhere. But the best way for enterprises is to establish an independent wechat mall with greater advantages. Independent wechat mall is conducive to expand the user market […]
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Time：2020-10-28
More than a year after graduation, I have had some practical experience in the high concurrency of “compulsory examination” in the student interview, mainly the reading interface under the high concurrency state. Here is a record and summary. In my opinion, if a back-end process is to be able to withstand high concurrency and large […]
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Time：2020-10-7
This paper introduces a set of windows form purchase, sale and inventory management system written in C ා. It has a feature and is very meaningful. characteristic: The system includes all kinds of business functions of purchase, sales and inventory, which can guide the developers who want to understand the purchase, sales and inventory, followed […]
