How to use springboot integrated development to realize the second kill function of shopping malls

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Springboot integrated development to realize the second kill of shopping mall

Join the main dependence

Org.springframework.boot spring-boot-starter-thymeleaf com.alibaba druid 1.0.5 redis.clients jedis com.alibaba fastjson 1.2.38 commons-codec commons-codec org.springframework.boot spring-boot-starter-validation org.springframework.boot spring-boot-starter-amqp com.google.guava guava 19.0

The main directory framework of the second kill project

1.java directory

Config all configuration information controllerexception all business exceptions mapperservicerabbitmqredis redis cache validator backend check bean: data transfer layer includes: mysql and redisutil: toolkit dto: data transfer object

Second kill system logic

Realize the technical point

1.MD5

Implement that the user's password is encrypted before saving to the database

two。 Unified handling of global exceptions

Handle all kinds of exceptions accordingly by intercepting all exceptions

3. Page caching

Cached into redis through manually rendered html pages

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

4. Solved the problem of overbought

Application.properties configuration # thymeleafspring.thymeleaf.cache=falsespring.thymeleaf.check-template=truespring.thymeleaf.check-template-location=truespring.thymeleaf.servlet.content-type=text/htmlspring.thymeleaf.enabled=truespring.thymeleaf.encoding=utf-8spring.thymeleaf.mode=HTML5spring.thymeleaf.prefix=classpath:/templates/spring.thymeleaf.suffix=.html# mybatismybatis.type-aliases-package=com.jesper.seckill.mappermybatis.configuration.map-underscore-to-camel-case=truemybatis.configuration.default-fetch-size=100mybatis.configuration.default-statement-timeout=3000mybatis.mapperLocations = classpath:com/jesper/seckill/mapper/* .xml # druidspring.datasource.url=jdbc:mysql://localhost:3306/seckill?useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&useSSL=false&serverTimezone=UTCspring.datasource.username=rootspring.datasource.password=rootspring.datasource.driver-class-name=com.mysql.cj.jdbc.Driverspring.datasource.type=com.alibaba.druid.pool.DruidDataSourcespring.datasource.filters=statspring.datasource.maxActive=1000spring.datasource.initialSize=100spring.datasource.maxWait=60000spring.datasource.minIdle=500spring.datasource.timeBetweenEvictionRunsMillis=60000spring.datasource.minEvictableIdleTimeMillis=300000spring.datasource.validationQuery=select 'x'spring.datasource.testWhileIdle=truespring.datasource.testOnBorrow=falsespring.datasource.testOnReturn=falsespring.datasource.poolPreparedStatements=truespring.datasource .maxOpenPreparedStatements = 20cm redisdis.hoststores 127.0.0.1redis.portals 6379redis.timeoutparts 10redis.poolMaxTotalexamples 1000redis.poolMaxIdleplates 500redis.poolMaxWaitpieces 500redising.resources.addmappingstruespring.resources.cache.examples = 3600spring.resources.chain.cache=true spring.resources.chain.enabled=truespring.resources.chain.compressed=truespring.resources.chain.html-application-cache=truespring.resources.static-locations=classpath:/static/#rabbitmqspring.rabbitmq.host=127.0.0.1spring.rabbitmq.port=5672spring.rabbitmq.username=guestspring.rabbitmq.password=guestspring.rabbitmq.virtual-host=/spring.rabbitmq.listener.simple.concurrency= 10spring.rabbitmq. Listener.simple.max-concurrency= 10spring.rabbitmq.listener.simple.prefetch.prefetch.1spring.rabbitmq.listener.simple.autoCopier startupstarting truespring.rabbitmq.listener.simple.defaultMuffle requeueMuffle truespring.rabbitmq.template.retry.enabled=truespring.rabbitmq.template.retry.initial-interval=1000spring.rabbitmq.template.retry.max-attempts=3spring.rabbitmq.template.retry.max-interval=10000spring.rabbitmq.template.retry.multiplier=1.0

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