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Maven+ssm进行秒杀系统的开发
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‎README.md

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‎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"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>cn.codingxiaxw.seckill</groupId>
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<artifactId>seckill</artifactId>
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<packaging>war</packaging>
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<version>1.0-SNAPSHOT</version>
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<name>seckill Maven Webapp</name>
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<url>http://maven.apache.org</url>
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<dependencies>
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<dependency>
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<!--3.0的junit是使用编程的方式来进行测试，而junit4是使用注解的方式来运行junit-->
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.11</version>
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<scope>test</scope>
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</dependency>
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<!--补全项目依赖-->
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<!--1.日志 java日志有:slf4j,log4j,logback,common-logging
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slf4j:是规范/接口
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日志实现:log4j,logback,common-logging
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使用:slf4j+logback
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-->
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>1.7.12</version>
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</dependency>
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<dependency>
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<groupId>ch.qos.logback</groupId>
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<artifactId>logback-core</artifactId>
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<version>1.1.1</version>
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</dependency>
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<!--实现slf4j接口并整合-->
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<dependency>
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<groupId>ch.qos.logback</groupId>
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<artifactId>logback-classic</artifactId>
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<version>1.1.1</version>
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</dependency>
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<!--1.数据库相关依赖-->
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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<version>5.1.35</version>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>c3p0</groupId>
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<artifactId>c3p0</artifactId>
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<version>0.9.1.1</version>
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</dependency>
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<!--2.dao框架:MyBatis依赖-->
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<dependency>
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<groupId>org.mybatis</groupId>
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<artifactId>mybatis</artifactId>
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<version>3.3.0</version>
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</dependency>
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<!--mybatis自身实现的spring整合依赖-->
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<dependency>
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<groupId>org.mybatis</groupId>
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<artifactId>mybatis-spring</artifactId>
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<version>1.2.3</version>
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</dependency>
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<!--3.Servlet web相关依赖-->
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<dependency>
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<groupId>taglibs</groupId>
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<artifactId>standard</artifactId>
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<version>1.1.2</version>
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</dependency>
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<dependency>
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<groupId>jstl</groupId>
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<artifactId>jstl</artifactId>
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<version>1.2</version>
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</dependency>
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-databind</artifactId>
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<version>2.5.4</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>javax.servlet-api</artifactId>
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<version>3.1.0</version>
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</dependency>
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<!--4:spring依赖-->
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<!--1)spring核心依赖-->
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-core</artifactId>
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<version>4.1.7.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-beans</artifactId>
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<version>4.1.7.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-context</artifactId>
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<version>4.1.7.RELEASE</version>
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</dependency>
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<!--2)spring dao层依赖-->
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-jdbc</artifactId>
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<version>4.1.7.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-tx</artifactId>
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<version>4.1.7.RELEASE</version>
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</dependency>
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<!--3)springweb相关依赖-->
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-web</artifactId>
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<version>4.1.7.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-webmvc</artifactId>
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<version>4.1.7.RELEASE</version>
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</dependency>
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<!--4)spring test相关依赖-->
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>
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<version>4.1.7.RELEASE</version>
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</dependency>
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</dependencies>
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<build>
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<finalName>seckill</finalName>
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</build>
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</project>

‎seckill.iml

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<?xml version="1.0" encoding="UTF-8"?>
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<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
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<component name="FacetManager">
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<facet type="web" name="Web">
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<configuration>
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<descriptors>
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<deploymentDescriptor name="web.xml" url="file://$MODULE_DIR$/src/main/webapp/WEB-INF/web.xml" />
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</descriptors>
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<webroots>
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<root url="file://$MODULE_DIR$/src/main/webapp" relative="/" />
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</webroots>
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<sourceRoots>
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<root url="file://$MODULE_DIR$/src/main/java" />
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<root url="file://$MODULE_DIR$/src/main/resources" />
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</sourceRoots>
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</configuration>
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</facet>
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</component>
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<component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_5" inherit-compiler-output="false">
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<output url="file://$MODULE_DIR$/target/classes" />
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<output-test url="file://$MODULE_DIR$/target/test-classes" />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
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<sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
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<sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
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<excludeFolder url="file://$MODULE_DIR$/target" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.11" level="project" />
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<orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
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<orderEntry type="library" name="Maven: org.slf4j:slf4j-api:1.7.12" level="project" />
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<orderEntry type="library" name="Maven: ch.qos.logback:logback-core:1.1.1" level="project" />
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<orderEntry type="library" name="Maven: ch.qos.logback:logback-classic:1.1.1" level="project" />
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<orderEntry type="library" scope="RUNTIME" name="Maven: mysql:mysql-connector-java:5.1.35" level="project" />
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<orderEntry type="library" name="Maven: c3p0:c3p0:0.9.1.1" level="project" />
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<orderEntry type="library" name="Maven: org.mybatis:mybatis:3.3.0" level="project" />
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<orderEntry type="library" name="Maven: org.mybatis:mybatis-spring:1.2.3" level="project" />
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<orderEntry type="library" name="Maven: taglibs:standard:1.1.2" level="project" />
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<orderEntry type="library" name="Maven: jstl:jstl:1.2" level="project" />
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<orderEntry type="library" name="Maven: com.fasterxml.jackson.core:jackson-databind:2.5.4" level="project" />
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<orderEntry type="library" name="Maven: com.fasterxml.jackson.core:jackson-annotations:2.5.0" level="project" />
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<orderEntry type="library" name="Maven: com.fasterxml.jackson.core:jackson-core:2.5.4" level="project" />
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<orderEntry type="library" name="Maven: javax.servlet:javax.servlet-api:3.1.0" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-core:4.1.7.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: commons-logging:commons-logging:1.2" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-beans:4.1.7.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-context:4.1.7.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-aop:4.1.7.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: aopalliance:aopalliance:1.0" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-expression:4.1.7.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-jdbc:4.1.7.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-tx:4.1.7.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-web:4.1.7.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-webmvc:4.1.7.RELEASE" level="project" />
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<orderEntry type="library" name="Maven: org.springframework:spring-test:4.1.7.RELEASE" level="project" />
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</component>
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</module>

‎src/main/java/cn/codingxiaxw/dao/SeckillDao.java

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package cn.codingxiaxw.dao;
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import cn.codingxiaxw.entity.Seckill;
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import org.apache.ibatis.annotations.Param;
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import org.springframework.web.bind.annotation.PathVariable;
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import java.util.Date;
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import java.util.List;
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/**
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* Created by codingBoy on 16/11/26.
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*/
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public interface SeckillDao
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{
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/**
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* 减库存
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* @param seckillId
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* @param killTime
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* @return 如果影响行数>1，表示更新库存的记录行数
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*/
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int reduceNumber(@Param("seckillId") long seckillId, @Param("killTime") Date killTime);
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/**
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* 根据id查询秒杀的商品信息
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* @param seckillId
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* @return
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*/
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Seckill queryById(long seckillId);
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/**
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* 根据偏移量查询秒杀商品列表
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* @param offset
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* @param limit
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* @return
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*/
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List<Seckill> queryAll(@Param("offset") int offset,@Param("limit") int limit);
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}

‎src/main/java/cn/codingxiaxw/dao/SuccessKilledDao.java

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package cn.codingxiaxw.dao;
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import cn.codingxiaxw.entity.SuccessKilled;
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import org.apache.ibatis.annotations.Param;
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/**
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* Created by codingBoy on 16/11/27.
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*/
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public interface SuccessKilledDao {
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/**
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* 插入购买明细,可过滤重复
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* @param seckillId
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* @param userPhone
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* @return插入的行数
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*/
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int insertSuccessKilled(@Param("seckillId") long seckillId, @Param("userPhone") long userPhone);
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/**
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* 根据秒杀商品的id查询明细SuccessKilled对象(该对象携带了Seckill秒杀产品对象)
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* @param seckillId
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* @return
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*/
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SuccessKilled queryByIdWithSeckill(@Param("seckillId") long seckillId,@Param("userPhone") long userPhone);
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}

‎src/main/java/cn/codingxiaxw/dto/Exposer.java

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package cn.codingxiaxw.dto;
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import java.util.Date;
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/**
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* Created by codingBoy on 16/11/27.
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* 暴露秒杀地址(接口)DTO
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*/
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public class Exposer {
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//是否开启秒杀
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private boolean exposed;
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//加密措施
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private String md5;
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private long seckillId;
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//系统当前时间(毫秒)
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private long now;
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//秒杀的开启时间
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private long start;
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//秒杀的结束时间
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private long end;
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public Exposer(boolean exposed, String md5, long seckillId) {
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this.exposed = exposed;
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this.md5 = md5;
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this.seckillId = seckillId;
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}
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public Exposer(boolean exposed, long seckillId,long now, long start, long end) {
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this.exposed = exposed;
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this.seckillId=seckillId;
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this.now = now;
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this.start = start;
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this.end = end;
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}
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public Exposer(boolean exposed, long seckillId) {
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this.exposed = exposed;
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this.seckillId = seckillId;
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}
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public boolean isExposed() {
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return exposed;
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}
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public void setExposed(boolean exposed) {
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this.exposed = exposed;
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}
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public String getMd5() {
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return md5;
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}
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public void setMd5(String md5) {
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this.md5 = md5;
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}
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public long getSeckillId() {
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return seckillId;
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}
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public void setSeckillId(long seckillId) {
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this.seckillId = seckillId;
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}
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public long getNow() {
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return now;
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}
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public void setNow(long now) {
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this.now = now;
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}
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public long getStart() {
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return start;
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}
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public void setStart(long start) {
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this.start = start;
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}
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public long getEnd() {
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return end;
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}
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public void setEnd(long end) {
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this.end = end;
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}
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@Override
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public String toString() {
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return "Exposer{" +
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"exposed=" + exposed +
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", md5='" + md5 + '\'' +
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", seckillId=" + seckillId +
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", now=" + now +
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", start=" + start +
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", end=" + end +
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'}';
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}
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}

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