这篇文章的ssm架构事务是xml形式的,其实都是差不多,其实公司用注解事务更多一些,因为容易控制。
代码我也是放在git上面了。
如果你不想看文章,可以直接下载源码浏览,
1、https://gitee.com/redpigstu/ssm_demo_xml
2、https://gitee.com/imjcoder/ssm_demo_interface
1、在eclipse中新建maven项目
新建完你的项目如图:
这时候java、test都没有,需要简单配置下,右击项目选择最后一个属性:
做一些配置
之后你的项目会如下图:
2、下面开始配置把相关的pom里面的依赖加进来
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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>ssm_demo </groupId>
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<artifactId>ssm_demo </artifactId>
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<packaging>war </packaging>
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<version>0.0.1-SNAPSHOT </version>
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<name>ssm_demo 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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<groupId>junit </groupId>
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<artifactId>junit </artifactId>
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<version>3.8.1 </version>
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<scope>test </scope>
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</dependency>
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<!-- spring 相关jar -->
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<!-- Spring 4.3.3 -->
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<!-- Core Container 核心容器 -->
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<!-- 核心工具类,Spring其它模块大量使用Spring-core -->
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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>4.3.3.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-core </artifactId>
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<version>4.3.3.RELEASE </version>
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</dependency>
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<!-- 运行时Spring容器 -->
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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>4.3.3.RELEASE </version>
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</dependency>
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<!-- Spring容器对第三方包的集成 -->
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<dependency>
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<groupId>org.springframework </groupId>
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<artifactId>spring-context-support </artifactId>
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<version>4.3.3.RELEASE </version>
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<type>jar </type>
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<scope>compile </scope>
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</dependency>
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<!-- Spring定义Bean的支持 -->
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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>4.3.3.RELEASE </version>
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</dependency>
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<!-- 使用表达式语言在运行时查询和操作对象 -->
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<dependency>
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<groupId>org.springframework </groupId>
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<artifactId>spring-expression </artifactId>
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<version>4.3.3.RELEASE </version>
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</dependency>
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<!-- End Core Container 核心容器 -->
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<!-- AOP -->
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<!-- 基于代理的AOP支持 -->
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<dependency>
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<groupId>org.springframework </groupId>
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<artifactId>spring-aop </artifactId>
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<version>4.3.3.RELEASE </version>
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</dependency>
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<!-- 基于AspectJ的AOP支持 -->
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<dependency>
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<groupId>org.springframework </groupId>
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<artifactId>spring-aspects </artifactId>
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<version>4.3.3.RELEASE </version>
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</dependency>
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<!-- aspectj -->
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<dependency>
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<groupId>org.aspectj </groupId>
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<artifactId>aspectjrt </artifactId>
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<version>1.8.5 </version>
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</dependency>
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<dependency>
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<groupId>org.aspectj </groupId>
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<artifactId>aspectjweaver </artifactId>
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<version>1.8.5 </version>
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</dependency>
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<!-- End AOP -->
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<!-- web -->
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<!-- 提供基础的web集成的功能,在web项目中提供Spring容器 -->
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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>4.3.3.RELEASE </version>
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</dependency>
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<!-- 提供基于Servlet的SpringMVC -->
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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>4.3.3.RELEASE </version>
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</dependency>
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<!-- 提供WebSocket功能 -->
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<dependency>
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<groupId>org.springframework </groupId>
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<artifactId>spring-websocket </artifactId>
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<version>4.3.3.RELEASE </version>
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</dependency>
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<!-- 提供Portlet环境支持 -->
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<dependency>
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<groupId>org.springframework </groupId>
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<artifactId>spring-webmvc-portlet </artifactId>
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<version>4.3.3.RELEASE </version>
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</dependency>
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<!-- json -->
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<dependency>
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<groupId>org.codehaus.jackson </groupId>
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<artifactId>jackson-core-lgpl </artifactId>
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<version>1.9.6 </version>
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</dependency>
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<dependency>
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<groupId>org.codehaus.jackson </groupId>
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<artifactId>jackson-core-asl </artifactId>
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<version>1.9.4 </version>
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</dependency>
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<dependency>
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<groupId>org.codehaus.jackson </groupId>
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<artifactId>jackson-mapper-asl </artifactId>
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<version>1.9.5 </version>
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</dependency>
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<dependency>
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<groupId>org.codehaus.jackson </groupId>
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<artifactId>jackson-mapper-lgpl </artifactId>
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<version>1.9.6 </version>
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</dependency>
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-
<!-- End web -->
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<!-- DataAccess/Integration 数据访问/集成 -->
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<!-- 提供以JDBC访问数据库的支持 -->
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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>4.3.3.RELEASE </version>
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</dependency>
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<!-- 提供编程式和声明式的事务支持 -->
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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>4.3.3.RELEASE </version>
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</dependency>
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<!-- 提供对 对象/关系映射技术的支持 -->
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<dependency>
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<groupId>org.springframework </groupId>
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<artifactId>spring-orm </artifactId>
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<version>4.3.3.RELEASE </version>
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</dependency>
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<!-- 提供对JMS的支持 -->
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<dependency>
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<groupId>org.springframework </groupId>
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<artifactId>spring-jms </artifactId>
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<version>4.3.3.RELEASE </version>
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</dependency>
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<!-- End DataAccess/Integration 数据访问/集成 -->
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<dependency>
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<groupId>org.codehaus.jackson </groupId>
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<artifactId>jackson-mapper-asl </artifactId>
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<version>1.9.13 </version>
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</dependency>
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<!-- End Spring 4.0 -->
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<!-- mybatis jar -->
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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>3.4.1 </version>
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</dependency>
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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>1.3.0 </version>
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</dependency>
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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>5.1.21 </version>
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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>0.9.1.2 </version>
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<type>jar </type>
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</dependency>
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<!-- 打印日志 -->
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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>1.7.22 </version>
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</dependency>
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<dependency>
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<groupId>org.slf4j </groupId>
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<artifactId>slf4j-log4j12 </artifactId>
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<version>1.7.22 </version>
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</dependency>
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<dependency>
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<groupId>log4j </groupId>
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<artifactId>log4j </artifactId>
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<version>1.2.17 </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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<!-- jsp jar -->
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<!-- JSP相关 -->
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<dependency>
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<groupId>javax.servlet </groupId>
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<artifactId>servlet-api </artifactId>
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<version>2.5 </version>
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<scope>provided </scope>
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</dependency>
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<dependency>
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<groupId>javax.servlet </groupId>
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<artifactId>jsp-api </artifactId>
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<version>2.0 </version>
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<scope>provided </scope>
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</dependency>
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</dependencies>
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<build>
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<finalName>ssm_demo </finalName>
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<resources>
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<resource>
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<directory>src/main/resources </directory>
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<includes>
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<include>**/*.properties </include>
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<include>**/*.xml </include>
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<include>**/*.tld </include>
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</includes>
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<filtering>false </filtering>
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</resource>
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<resource>
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<directory>src/main/java </directory>
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<includes>
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<include>**/*.properties </include>
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<include>**/*.xml </include>
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<include>**/*.tld </include>
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</includes>
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<filtering>false </filtering>
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</resource>
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</resources>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins </groupId>
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<artifactId>maven-compiler-plugin </artifactId>
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<version>3.1 </version>
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<configuration>
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<source>1.8 </source>
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<target>1.8 </target>
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<encoding>UTF-8 </encoding>
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<failOnError>true </failOnError>
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<showDeprecation>true </showDeprecation>
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<showWarnings>true </showWarnings>
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</configuration>
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</plugin>
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-
<plugin>
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<groupId>org.apache.maven.plugins </groupId>
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<artifactId>maven-surefire-plugin </artifactId>
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<version>2.4.3 </version>
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<configuration>
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<skipTests>true </skipTests>
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</configuration>
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</plugin>
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-
</plugins>
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</build>
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</project>
在src/main/resources下面新建文件夹mybatis,以及mybatis的xml配置文件:mybatis-config.xml
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"1.0" encoding="UTF-8" xml version=
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<configuration>
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<!-- 全局参数 -->
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<settings>
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<!-- 使全局的映射器启用或禁用缓存。 -->
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<setting name="cacheEnabled" value="true"/>
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<!-- 全局启用或禁用延迟加载。当禁用时,所有关联对象都会即时加载。 -->
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<setting name="lazyLoadingEnabled" value="true"/>
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<!-- 当启用时,有延迟加载属性的对象在被调用时将会完全加载任意属性。否则,每种属性将会按需要加载。 -->
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<setting name="aggressiveLazyLoading" value="false"/>
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<!-- 是否允许单条sql 返回多个数据集 (取决于驱动的兼容性) default:true -->
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<setting name="multipleResultSetsEnabled" value="true"/>
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<!-- 是否可以使用列的别名 (取决于驱动的兼容性) default:true -->
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<setting name="useColumnLabel" value="true"/>
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<!-- 允许JDBC 生成主键。需要驱动器支持。如果设为了true,这个设置将强制使用被生成的主键,有一些驱动器不兼容不过仍然可以执行。 default:false -->
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<setting name="useGeneratedKeys" value="false"/>
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<!-- 指定 MyBatis 如何自动映射 数据基表的列 NONE:不隐射 PARTIAL:部分 FULL:全部 -->
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<setting name="autoMappingBehavior" value="PARTIAL"/>
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<!-- 这是默认的执行类型 (SIMPLE: 简单; REUSE: 执行器可能重复使用prepared statements语句;BATCH: 执行器可以重复执行语句和批量更新) -->
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<setting name="defaultExecutorType" value="SIMPLE"/>
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<!-- 使用驼峰命名法转换字段。 -->
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<!-- <setting name="mapUnderscoreToCamelCase" value="true"/> -->
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<!-- 设置本地缓存范围 session:就会有数据的共享 statement:语句范围 (这样就不会有数据的共享 ) defalut:session -->
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<setting name="localCacheScope" value="SESSION"/>
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<!-- 设置但JDBC类型为空时,某些驱动程序 要指定值,default:OTHER,插入空值时不需要指定类型 -->
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<setting name="jdbcTypeForNull" value="NULL"/>
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</settings>
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</configuration>
在src/main/resources下面新建文件夹spring
①、新建文件名:applicationContext.xml
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"1.0" encoding="UTF-8" xml version=
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance" xmlns:p= "http://www.springframework.org/schema/p"
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xmlns:context= "http://www.springframework.org/schema/context"
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xmlns:mvc= "http://www.springframework.org/schema/mvc"
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xsi:schemaLocation= "http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
-
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<!-- 扫描到有@Component @Controller@Service等这些注解的类 ,则把这些类注册为bean -->
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<!-- spring不要扫MVC的controller,否则引起事务失效 -->
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<context:component-scan base-package="com">
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<context:exclude-filter type="annotation"
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expression= "org.springframework.stereotype.Controller" />
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</context:component-scan>
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<!-- 数据库连接池 :dataSource -->
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<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
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destroy-method= "close">
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<property name="driverClass" value="com.mysql.jdbc.Driver" />
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<property name="jdbcUrl"
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value= "jdbc:mysql://localhost:3300/ssm_demo?useUnicode=true&characterEncoding=UTF-8" />
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<property name="user" value="root" />
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<property name="password" value="root" />
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<property name="minPoolSize" value="1" />
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<property name="maxPoolSize" value="20" />
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<property name="maxIdleTime" value="1800" />
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<property name="acquireIncrement" value="2" />
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<property name="maxStatements" value="0" />
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<property name="initialPoolSize" value="2" />
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<property name="idleConnectionTestPeriod" value="1800" />
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<property name="acquireRetryAttempts" value="30" />
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<property name="breakAfterAcquireFailure" value="true" />
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<property name="testConnectionOnCheckout" value="false" />
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</bean>
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</beans>
applicationContext-mybatis.xml
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"1.0" encoding="UTF-8" xml version=
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance" xmlns:p= "http://www.springframework.org/schema/p"
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xmlns:context= "http://www.springframework.org/schema/context"
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xmlns:mvc= "http://www.springframework.org/schema/mvc"
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xsi:schemaLocation= "http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
-
-
<!-- 定义Mybatis的SqlSessionFactory -->
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<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
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<!-- 定义数据源 -->
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<property name="dataSource" ref="dataSource" />
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<!-- 指定mybatis全局配置文件 -->
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<property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/>
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<property name="mapperLocations" value="classpath:com/entity/*.xml" />
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<!-- 别名扫描包 -->
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<property name="typeAliasesPackage" value="com.entity"/>
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</bean>
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-
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<!-- 配置自动生成接口的实现类
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配置 转换器,对于在basePackage设置的包(包括子包)下的接口类,如果在Mapper.xml文件中定义过,
-
将被转换成spring的BEAN,在调用 的地方通过@Autowired方式将可以注入接口实例-->
-
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<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
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<property name="sqlSessionFactory" ref="sqlSessionFactory"/>
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<property name="basePackage" value="com.dao"/>
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</bean>
-
-
</beans>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:context= "http://www.springframework.org/schema/context" xmlns:p= "http://www.springframework.org/schema/p"
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xmlns:aop= "http://www.springframework.org/schema/aop" xmlns:tx= "http://www.springframework.org/schema/tx"
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xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation= "http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
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http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
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http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
-
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<!-- 定义事务管理器 -->
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<bean id="transactionManager"
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class= "org.springframework.jdbc.datasource.DataSourceTransactionManager">
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<property name="dataSource" ref="dataSource" />
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</bean>
-
-
<!-- 定义事务策略 -->
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<tx:advice id="txAdvice" transaction-manager="transactionManager">
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<tx:attributes>
-
<!--所有以query开头的方法都是只读的 -->
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<tx:method name="query*" read-only="true" />
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<!--其他方法使用默认事务策略 -->
-
<tx:method name="*" />
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</tx:attributes>
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</tx:advice>
-
-
<aop:config>
-
<!--pointcut元素定义一个切入点,execution中的第一个星号 用以匹配方法的返回类型,
-
这里星号表明匹配所有返回类型。 com.abc.dao.*.*(..)表明匹配com.service包下的所有类的所有
-
方法 -->
-
<aop:pointcut id="myPointcut" expression="execution(* com.service.*.*(..))" />
-
<!--将定义好的事务处理策略应用到上述的切入点 -->
-
<aop:advisor advice-ref="txAdvice" pointcut-ref="myPointcut" />
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</aop:config>
-
-
</beans>
在src/main/resources/ spring文件夹下新建:SpringMVC.xml
-
"1.0" encoding="UTF-8" xml version=
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance" xmlns:p= "http://www.springframework.org/schema/p"
-
xmlns:context= "http://www.springframework.org/schema/context"
-
xmlns:mvc= "http://www.springframework.org/schema/mvc"
-
xsi:schemaLocation= "http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
-
-
<!-- 同时开启json格式的支持 -->
-
<mvc:annotation-driven> </mvc:annotation-driven>
-
-
<!-- spring mvc 扫描所有的controller 但是不扫描service -->
-
<context:component-scan base-package="com">
-
<context:include-filter type="annotation"
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expression= "org.springframework.stereotype.Controller" />
-
<context:exclude-filter type="annotation"
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expression= "org.springframework.stereotype.Service" />
-
</context:component-scan>
-
-
-
<!-- 对模型视图名称的解析,即在模型视图名称添加前后缀 -->
-
<bean
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class= "org.springframework.web.servlet.view.InternalResourceViewResolver">
-
<property name="prefix" value="/WEB-INF/jsp/" />
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<property name="suffix" value=".jsp" /> <!--可为空,方便实现自已的依据扩展名来选择视图解释类的逻辑 -->
-
</bean>
-
-
</beans>
-
##root logger , local level: debug, output: stdout ##
-
## root logger: better performance than others ##
-
log4j.rootLogger=info,stdout
-
-
log4j.appender.F=org.apache.log4j.DailyRollingFileAppender
-
log4j.appender.F.DatePattern= '.'yyyy-MM-dd
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log4j.appender.F.File=logs/ssm_demo.log
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log4j.appender.F.layout=org.apache.log4j.PatternLayout
-
log4j.appender.F.layout.ConversionPattern=[%d{ISO8601}|%t|%- 5p|%C] - %m%n
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log4j.appender.F.encoding=UTF- 8
-
-
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
-
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-
log4j.appender.stdout.layout.ConversionPattern=[%d{HH:mm:ss}|%- 5p|%c] - %m%n
-
#show application DEBUG log
-
log4j.logger.com.asecs = DEBUG,F
-
#show ibatis DEBUG log
-
log4j.logger.com.ibatis = DEBUG
-
log4j.logger.com.ibatis.common.jdbc.SimpleDataSource = DEBUG
-
log4j.logger.com.ibatis.common.jdbc.ScriptRunner = DEBUG
-
log4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate = DEBUG
-
log4j.logger.java.sql.Connection = DEBUG
-
log4j.logger.java.sql.Statement = DEBUG
-
log4j.logger.java.sql.PreparedStatement = DEBUG
-
log4j.logger.java.sql.ResultSet = DEBUG
-
"1.0" encoding="UTF-8" xml version=
-
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-
xmlns= "http://java.sun.com/xml/ns/javaee"
-
xsi:schemaLocation= "http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
-
id= "MyWebApp" version= "2.5">
-
<display-name>my </display-name>
-
-
<!-- 加载(spring自身的,事务,mybatis)配置文件-->
-
<context-param>
-
<param-name>contextConfigLocation </param-name>
-
<param-value>classpath:spring/applicationContext*.xml </param-value>
-
</context-param>
-
-
-
<!-- 防止spring内存溢出监听器 -->
-
<listener>
-
<listener-class>org.springframework.web.util.IntrospectorCleanupListener </listener-class>
-
</listener>
-
-
<!--Spring的ApplicationContext 载入:Spring的监听器 -->
-
<listener>
-
<listener-class>org.springframework.web.context.ContextLoaderListener </listener-class>
-
</listener>
-
-
<!-- 加载SpringMVC的配置文件-->
-
<servlet>
-
<servlet-name>SpringMVC </servlet-name>
-
<servlet-class>org.springframework.web.servlet.DispatcherServlet </servlet-class>
-
<init-param>
-
<param-name>contextConfigLocation </param-name>
-
<param-value>classpath:spring/SpringMVC.xml </param-value>
-
</init-param>
-
<load-on-startup>1 </load-on-startup>
-
-
</servlet>
-
-
<servlet-mapping>
-
<servlet-name>SpringMVC </servlet-name>
-
<url-pattern>*.action </url-pattern>
-
</servlet-mapping>
-
-
<filter>
-
<description>字符集过滤器 </description>
-
<filter-name>encodingFilter </filter-name>
-
<filter-class>org.springframework.web.filter.CharacterEncodingFilter </filter-class>
-
<init-param>
-
<description>字符集编码 </description>
-
<param-name>encoding </param-name>
-
<param-value>UTF-8 </param-value>
-
</init-param>
-
</filter>
-
<filter-mapping>
-
<filter-name>encodingFilter </filter-name>
-
<url-pattern>/* </url-pattern>
-
</filter-mapping>
-
-
-
-
<!-- 配置session超时时间,单位分钟 -->
-
<session-config>
-
<session-timeout>60 </session-timeout>
-
</session-config>
-
-
<!-- DEFAULT PAGE -->
-
<welcome-file-list>
-
<welcome-file>index.jsp </welcome-file>
-
</welcome-file-list>
-
</web-app>
-
CREATE TABLE `t_user` (
-
`username` varchar( 255) NOT NULL,
-
`password` varchar( 255) DEFAULT NULL,
-
PRIMARY KEY ( `username`)
-
) ENGINE= InnoDB DEFAULT CHARSET=utf8;
-
package com.entity;
-
-
public class User {
-
private String username;
-
private String password;
-
public String getUsername() {
-
return username;
-
}
-
public void setUsername(String username) {
-
this.username = username;
-
}
-
public String getPassword() {
-
return password;
-
}
-
public void setPassword(String password) {
-
this.password = password;
-
}
-
-
}
-
"1.0" encoding="UTF-8" xml version=
-
-
<mapper namespace="com.dao.UserDao">
-
<resultMap id="BaseResultMap" type="com.entity.User">
-
<result column="username" property="username" />
-
<result column="password" property="password" />
-
</resultMap>
-
<sql id="Base_Column_List" >
-
username, password
-
</sql>
-
<select id="selectId" resultMap="BaseResultMap" parameterType="java.lang.String" >
-
select
-
<include refid="Base_Column_List" />
-
from t_user
-
where username = #{username,jdbcType=VARCHAR}
-
</select>
-
</mapper>
-
package com.service;
-
-
import org.springframework.stereotype.Service;
-
-
import com.entity.User;
-
-
-
public interface UserService {
-
boolean doUserLogin(User user);
-
-
}
-
package com.service;
-
-
import java.util.List;
-
-
import javax.annotation.Resource;
-
import javax.annotation.Resources;
-
-
import org.springframework.stereotype.Service;
-
-
import com.dao.UserDao;
-
import com.entity.User;
-
-
-
public class UserServiceImpl implements UserService {
-
-
-
private UserDao userDao;
-
-
public boolean doUserLogin(User user) {
-
List<User> list = userDao.selectId(user.getUsername());
-
if(list.size() == 0){
-
return false;
-
} else{
-
if(list.get( 0).getPassword().equals(user.getPassword())){
-
return true;
-
} else{
-
return false;
-
}
-
}
-
}
-
-
}
-
package com.dao;
-
-
import java.util.List;
-
-
import org.springframework.stereotype.Repository;
-
-
import com.entity.User;
-
-
-
public interface UserDao{
-
List<User> selectId(String username);
-
}
14、创建controller
-
package com.controller;
-
-
import org.springframework.beans.factory.annotation.Autowired;
-
import org.springframework.stereotype.Controller;
-
import org.springframework.ui.Model;
-
import org.springframework.web.bind.annotation.RequestMapping;
-
-
import com.entity.User;
-
import com.service.UserService;
-
-
-
"/test")(
-
/*@ResponseBody */
-
public class LoginController {
-
-
private UserService userService; //基于接口的,用接口接收
-
-
"/login.action") //url(
-
public String dologin(User user, Model model){
-
if(userService.doUserLogin(user)){
-
System.out.println(user);
-
model.addAttribute( "successMsg", "登陆成功!"); //返回到页面所夹带的参数
-
model.addAttribute( "name", user.getUsername());
-
return "/success"; //返回的页面
-
} else{
-
model.addAttribute( "failMsg", "用户不存在或密码错误!");
-
return "/fail";
-
}
-
}
-
-
-
-
}