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upload the project & update the README.md
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1.upload the project
2.update the README.md
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@lewky
lewky committed Oct 7, 2017
1 parent aa1c005 commit 7ae0f2c
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1,007 changes: 1,005 additions & 2 deletions README.md
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167 changes: 167 additions & 0 deletions pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.lewis</groupId>
<artifactId>seckill</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>seckill Maven Webapp</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!--补全项目依赖 -->
<!--1.日志 java日志有:slf4j,log4j,logback,common-logging slf4j:是规范/接口 日志实现:log4j,logback,common-logging
使用:slf4j+logback -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.12</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
<version>1.1.1</version>
</dependency>
<!--实现slf4j接口并整合 -->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.1.1</version>
</dependency>

<!--2.数据库相关依赖 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.35</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.1</version>
</dependency>

<!--3.dao框架:MyBatis依赖 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.3.0</version>
</dependency>
<!--mybatis自身实现的spring整合依赖 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.3</version>
</dependency>

<!--4.Servlet web相关依赖 -->
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.5.4</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>

<!--5:spring依赖 -->
<!--1)spring核心依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<!--2)spring dao层依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<!--3)springweb相关依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<!--4)spring test相关依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>

<!--添加redis依赖 -->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.7.3</version>
</dependency>

<!--prostuff序列化依赖 -->
<dependency>
<groupId>com.dyuproject.protostuff</groupId>
<artifactId>protostuff-core</artifactId>
<version>1.0.8</version>
</dependency>
<dependency>
<groupId>com.dyuproject.protostuff</groupId>
<artifactId>protostuff-runtime</artifactId>
<version>1.0.8</version>
</dependency>
</dependencies>
<build>
<finalName>seckill</finalName>
<resources>
<!--打包时包含源代码包下的资源文件，默认情况下只会打包src/main/java下的源代码 -->
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
<resource>
<directory>src/main/resources</directory>
</resource>
</resources>
</build>
</project>
39 changes: 39 additions & 0 deletions sql/schema.sql
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-- 数据库初始化脚本

-- 创建数据库
CREATE DATABASE seckill;
-- 使用数据库
use seckill;
CREATE TABLE seckill(
`seckill_id` BIGINT NOT NUll AUTO_INCREMENT COMMENT '商品库存ID',
`name` VARCHAR(120) NOT NULL COMMENT '商品名称',
`number` int NOT NULL COMMENT '库存数量',
`create_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
`start_time` TIMESTAMP NOT NULL COMMENT '秒杀开始时间',
`end_time` TIMESTAMP NOT NULL COMMENT '秒杀结束时间',
PRIMARY KEY (seckill_id),
key idx_start_time(start_time),
key idx_end_time(end_time),
key idx_create_time(create_time)
)ENGINE=INNODB AUTO_INCREMENT=1000 DEFAULT CHARSET=utf8 COMMENT='秒杀库存表';

-- 初始化数据
INSERT into seckill(name,number,start_time,end_time)
VALUES
('1000元秒杀iphone6',100,'2016-01-01 00:00:00','2016-01-02 00:00:00'),
('800元秒杀ipad',200,'2016-01-01 00:00:00','2016-01-02 00:00:00'),
('6600元秒杀mac book pro',300,'2016-01-01 00:00:00','2016-01-02 00:00:00'),
('7000元秒杀iMac',400,'2016-01-01 00:00:00','2016-01-02 00:00:00');

-- 秒杀成功明细表
-- 用户登录认证相关信息(简化为手机号)
CREATE TABLE success_killed(
`seckill_id` BIGINT NOT NULL COMMENT '秒杀商品ID',
`user_phone` BIGINT NOT NULL COMMENT '用户手机号',
`state` TINYINT NOT NULL DEFAULT -1 COMMENT '状态标识:-1:无效 0:成功 1:已付款 2:已发货',
`create_time` TIMESTAMP NOT NULL COMMENT '创建时间',
PRIMARY KEY(seckill_id,user_phone),/*联合主键*/
KEY idx_create_time(create_time)
)ENGINE=INNODB DEFAULT CHARSET=utf8 COMMENT='秒杀成功明细表';

-- SHOW CREATE TABLE seckill;#显示表的创建信息
37 changes: 37 additions & 0 deletions src/main/java/com/lewis/dao/SeckillDao.java
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package com.lewis.dao;

import java.util.Date;
import java.util.List;

import org.apache.ibatis.annotations.Param;

import com.lewis.entity.Seckill;

public interface SeckillDao {

/**
* 减库存
*
* @param seckillId
* @param killTime
* @return 更新的记录行数，如果返回值<1则表示更新失败
*/
int reduceNumber(@Param("seckillId") long seckillId, @Param("killTime") Date killTime);

/**
* 根据id查询秒杀商品
*
* @param seckillId
* @return
*/
Seckill queryById(long seckillId);

/**
* 根据偏移量查询秒杀商品列表
*
* @param offset
* @param limit
* @return
*/
List<Seckill> queryAll(@Param("offset") int offset, @Param("limit") int limit);
}
25 changes: 25 additions & 0 deletions src/main/java/com/lewis/dao/SuccessKilledDao.java
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package com.lewis.dao;

import org.apache.ibatis.annotations.Param;

import com.lewis.entity.SuccessKilled;

public interface SuccessKilledDao {

/**
* 插入购买明细，可过滤重复
*
* @param seckillId
* @param userphone
* @return 插入的行数，如果返回值<1则表示插入失败
*/
int insertSuccessKilled(@Param("seckillId") long seckillId, @Param("userPhone") long userPhone);

/**
* 根据id查询SuccessKilled并携带秒杀商品对象实体
*
* @param seckillId
* @return
*/
SuccessKilled queryByIdWithSeckill(@Param("seckillId") long seckillId, @Param("userPhone") long userPhone);
}
68 changes: 68 additions & 0 deletions src/main/java/com/lewis/dao/cache/RedisDao.java
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package com.lewis.dao.cache;

import com.dyuproject.protostuff.LinkedBuffer;
import com.dyuproject.protostuff.ProtostuffIOUtil;
import com.dyuproject.protostuff.runtime.RuntimeSchema;
import com.lewis.entity.Seckill;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;

public class RedisDao {
private final JedisPool jedisPool;

public RedisDao(String ip, int port) {
jedisPool = new JedisPool(ip, port);
}

private RuntimeSchema<Seckill> schema = RuntimeSchema.createFrom(Seckill.class);

public Seckill getSeckill(long seckillId) {
// redis操作逻辑
try {
Jedis jedis = jedisPool.getResource();
try {
String key = "seckill:" + seckillId;
// 并没有实现哪部序列化操作
// 采用自定义序列化
// protostuff: pojo.
byte[] bytes = jedis.get(key.getBytes());
// 缓存重获取到
if (bytes != null) {
Seckill seckill = schema.newMessage();
ProtostuffIOUtil.mergeFrom(bytes, seckill, schema);
// seckill被反序列化

return seckill;
}
} finally {
jedis.close();
}
} catch (Exception e) {

}
return null;
}

public String putSeckill(Seckill seckill) {
try {
Jedis jedis = jedisPool.getResource();
try {
String key = "seckill:" + seckill.getSeckillId();
byte[] bytes = ProtostuffIOUtil.toByteArray(seckill, schema,
LinkedBuffer.allocate(LinkedBuffer.DEFAULT_BUFFER_SIZE));
// 超时缓存
int timeout = 60 * 60;// 1小时
String result = jedis.setex(key.getBytes(), timeout, bytes);

return result;
} finally {
jedis.close();
}
} catch (Exception e) {

}

return null;
}
}
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