使用springboot怎么實(shí)現(xiàn)商場(chǎng)秒殺功能

使用springboot怎么實(shí)現(xiàn)商場(chǎng)秒殺功能？針對(duì)這個(gè)問(wèn)題，這篇文章詳細(xì)介紹了相對(duì)應(yīng)的分析和解答，希望可以幫助更多想解決這個(gè)問(wèn)題的小伙伴找到更簡(jiǎn)單易行的方法。

加入主要依賴

<dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!-- alibaba的druid數(shù)據(jù)庫(kù)連接池 -->
<dependency>
 <groupId>com.alibaba</groupId>
 <artifactId>druid</artifactId>
 <version>1.0.5</version>
</dependency>
<!-- redis客服端-->
<dependency>
 <groupId>redis.clients</groupId>
 <artifactId>jedis</artifactId>
</dependency>
<dependency>
 <groupId>com.alibaba</groupId>
 <artifactId>fastjson</artifactId>
 <version>1.2.38</version>
</dependency>
<dependency>
 <groupId>commons-codec</groupId>
 <artifactId>commons-codec</artifactId>
</dependency>
<dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-amqp</artifactId>
</dependency>
<dependency>
 <groupId>com.google.guava</groupId>
 <artifactId>guava</artifactId>
 <version>19.0</version>

秒殺項(xiàng)目主要目錄構(gòu)架

1.java目錄

config 所有的配置信息
controller
exception 所有業(yè)務(wù)異常
mapper
service
rabbitmq
redis redis緩存
validator 后端校驗(yàn)
bean:數(shù)據(jù)傳輸層包括：mysql以及redis
util：工具包
dto:數(shù)據(jù)傳輸對(duì)象

秒殺系統(tǒng)邏輯

實(shí)現(xiàn)技術(shù)點(diǎn)

1.MD5

實(shí)現(xiàn)用戶的密碼為加密在保存到數(shù)據(jù)庫(kù)之前

2.全局異常統(tǒng)一處理

通過(guò)攔截所有異常，對(duì)各種異常進(jìn)行相應(yīng)的處理

3.頁(yè)面緩存

通過(guò)手動(dòng)渲染的html頁(yè)面緩存到redis中

WebContext ctx = new WebContext(request, response, request.getServletContext(), request.getLocale(), model.asMap());
html = thymeleafViewResolver.getTemplateEngine().process("goods_detail", ctx);

4.解決了超買

application.properties配置
#thymeleaf
spring.thymeleaf.cache=false
spring.thymeleaf.check-template=true
spring.thymeleaf.check-template-location=true
spring.thymeleaf.servlet.content-type=text/html
spring.thymeleaf.enabled=true
spring.thymeleaf.encoding=utf-8
spring.thymeleaf.mode=HTML5
spring.thymeleaf.prefix=classpath:/templates/
spring.thymeleaf.suffix=.html
# mybatis
mybatis.type-aliases-package=com.jesper.seckill.mapper
mybatis.configuration.map-underscore-to-camel-case=true
mybatis.configuration.default-fetch-size=100
mybatis.configuration.default-statement-timeout=3000
mybatis.mapperLocations = classpath:com/jesper/seckill/mapper/*.xml
# druid
spring.datasource.url=jdbc:mysql://localhost:3306/seckill?useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&useSSL=false&serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
spring.datasource.filters=stat
spring.datasource.maxActive=1000
spring.datasource.initialSize=100
spring.datasource.maxWait=60000
spring.datasource.minIdle=500
spring.datasource.timeBetweenEvictionRunsMillis=60000
spring.datasource.minEvictableIdleTimeMillis=300000
spring.datasource.validationQuery=select 'x'
spring.datasource.testWhileIdle=true
spring.datasource.testOnBorrow=false
spring.datasource.testOnReturn=false
spring.datasource.poolPreparedStatements=true
spring.datasource.maxOpenPreparedStatements=20
#redis
redis.host=127.0.0.1
redis.port=6379
redis.timeout=10
redis.poolMaxTotal=1000
redis.poolMaxIdle=500
redis.poolMaxWait=500
#static
spring.resources.add-mappings=true
spring.resources.cache.period= 3600
spring.resources.chain.cache=true 
spring.resources.chain.enabled=true
spring.resources.chain.compressed=true
spring.resources.chain.html-application-cache=true
spring.resources.static-locations=classpath:/static/
#rabbitmq
spring.rabbitmq.host=127.0.0.1
spring.rabbitmq.port=5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=guest
spring.rabbitmq.virtual-host=/
spring.rabbitmq.listener.simple.concurrency= 10
spring.rabbitmq.listener.simple.max-concurrency= 10
spring.rabbitmq.listener.simple.prefetch= 1
spring.rabbitmq.listener.simple.auto-startup=true
spring.rabbitmq.listener.simple.default-requeue-rejected= true
spring.rabbitmq.template.retry.enabled=true
spring.rabbitmq.template.retry.initial-interval=1000
spring.rabbitmq.template.retry.max-attempts=3
spring.rabbitmq.template.retry.max-interval=10000
spring.rabbitmq.template.retry.multiplier=1.0

springboot是什么

springboot一種全新的編程規(guī)范，其設(shè)計(jì)目的是用來(lái)簡(jiǎn)化新Spring應(yīng)用的初始搭建以及開發(fā)過(guò)程，SpringBoot也是一個(gè)服務(wù)于框架的框架，服務(wù)范圍是簡(jiǎn)化配置文件。

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