SSM框架搭建+Maven详细讲解(一)

SSM框架搭建+Maven详细讲解(一)

SSM (SSM 框架集)

SSM(Spring+SpringMVC+MyBatis)框架集由Spring、SpringMVC、MyBatis三个开源框架整合而成,常作为数据源较简单的web项目的框架。

其中spring是一个轻量级的控制反转(IoC)和面向切面(AOP)的容器框架。

SpringMVC分离了控制器、模型对象、分派器以及处理程序对象的角色,这种分离让它们更容易进行定制。

MyBatis是一个支持普通SQL查询,存储过程和高级映射的优秀持久层框架。

Maven的存在让ssm框架简单了一个量级不需要手动导入jar包。没有安装maven的可参考maven安装及环境搭建

下面就直接进入正题吧!!!!

1、新建一个maven项目

2、在pom.xml文件下引入需要的jar包

<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.lzw</groupId>
  <artifactId>ssm</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>o2o Maven Webapp</name>
  <url>http://maven.apache.org</url>
   <properties>
  	<spring.version>4.3.7.RELEASE</spring.version>
  </properties>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>test</scope>
    </dependency>
    
    <!-- 1.日志 -->
		<!-- 实现slf4j接口并整合 -->

		<dependency>
			<groupId>ch.qos.logback</groupId>
			<artifactId>logback-classic</artifactId>
			<version>1.2.3</version>
		</dependency>
    <!-- 2.Spring -->
		<!-- 1)包含Spring框架基本的核心工具类,Spring其他组件都要使用到这个包里的类,是其他组件的基本核心 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<!-- 2)这个jar文件是所有应用都要用到的,它包含访问配置文件,创建和管理 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-beans</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<!-- 3)这个jar文件为Spring核心提供了大量扩展-->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>${spring.version}</version>
		</dependency>
    <!-- 2)Spring DAO层 -->
    	<!-- 4)这个jar文件包含对Spring对JDBC数据访问进行封装的所有类-->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-jdbc</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<!-- 5)这个jar文件为JDBC Hibermate JDO JPA等提供的一致的声明式和编程式事务管理-->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-tx</artifactId>
			<version>${spring.version}</version>
		</dependency>
    <!-- 3)Spring web -->
    	<!-- 6)Spring web包含Web应用开发时,用到Spring框架时所需的核心类 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-web</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<!-- 7)包含SpringMVC框架相关的所有类 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<!-- 8)Spring test对JUNIT等测试框架的简单封装 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-test</artifactId>
			<version>${spring.version}</version>
			<scope>test</scope>
		</dependency>
	<!-- 3.Servlet web -->
	
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
			<version>3.1.0</version>
		</dependency>

	 	<!-- json解析 -->
	 	<dependency>
	 		<groupId>com.fasterxml.jackson.core</groupId>
	 		<artifactId>jackson-databind</artifactId>
	 		<version>2.8.7</version>
	 	</dependency>
	 <!-- 4.Map工具类 -->
		<dependency>
			<groupId>commons-collections</groupId>
			<artifactId>commons-collections</artifactId>
			<version>3.2</version>
		</dependency>
	 <!-- 5.DAO:MyBatis -->	
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>3.4.2</version>
		</dependency>
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
			<version>1.3.1</version>
		</dependency>
	<!-- 6.数据库 -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.46</version>
			<scope>runtime</scope>
		</dependency>
		<dependency>
			<groupId>c3p0</groupId>
			<artifactId>c3p0</artifactId>
			<version>0.9.1.2</version>
		</dependency>
  </dependencies>
  <build>
    <finalName>ssm</finalName>
    <plugins>
    	<plugin>
    		<!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-compiler-plugin -->
    			<groupId>org.apache.maven.plugins</groupId>
    			<artifactId>maven-compiler-plugin</artifactId>
    			<version>3.8.1</version>
    			<configuration>
    				<source>1.8</source>
    				<target>1.8</target>
    				<encoding>UTF8</encoding>
    			</configuration>
    	</plugin>
    </plugins>
  </build>
</project>

3、在src/main/resources文件下新建jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=*******

4、在src/main/resources文件下新建mybatis-config.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
  PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
  "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
	<!-- 配置全局属性 -->
	<settings>
		<!-- 使用jdbc的getGeneratedKeys获取数据库自增主键值 -->
		<setting name="useGeneratedKeys" value="true" />

		<!-- 使用列标签替换列名 默认:true -->
		<setting name="useColumnLabel" value="true" />

		<!-- 开启驼峰命名转换:Table{create_time} -> Entity{createTime} -->
		<setting name="mapUnderscoreToCamelCase" value="true" />
		
	</settings>
</configuration>

5、在src/main/resources/spring下新建spring-dao.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	 xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd">
	<!-- 配置整合mybatis过程 -->
	<!-- 1.配置数据库相关参数properties的属性:${url} -->
	<context:property-placeholder location="classpath:jdbc.properties"/>
	
	<!-- 2.数据库连接池 -->
	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<!-- 配置连接池属性 -->
		<property name="driverClass" value="${jdbc.driver}" />
		<property name="jdbcUrl" value="${jdbc.url}" />
		<property name="user" value="${jdbc.username}" />
		<property name="password" value="${jdbc.password}" />

		<!-- c3p0连接池的私有属性 -->
		<property name="maxPoolSize" value="30" />
		<property name="minPoolSize" value="10" />
		<!-- 关闭连接后不自动commit -->
		<property name="autoCommitOnClose" value="false" />
		<!-- 获取连接超时时间 -->
		<property name="checkoutTimeout" value="10000" />
		<!-- 当获取连接失败重试次数 -->
		<property name="acquireRetryAttempts" value="3" />
	</bean>

	<!-- 3.配置SqlSessionFactory对象 -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 注入数据库连接池 -->
		<property name="dataSource" ref="dataSource" />
		<!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
		<property name="configLocation" value="classpath:mybatis-config.xml" />
		<!-- 扫描entity包 使用别名 -->
		<property name="typeAliasesPackage" value="com.lzw.entity" />
		<!-- 扫描sql配置文件:mapper需要的xml文件 -->
		<property name="mapperLocations" value="classpath:mapper/*.xml" />
	</bean>

	<!-- 4.配置扫描Dao接口包,动态实现Dao接口,注入到spring容器中 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<!-- 注入sqlSessionFactory -->
		<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
		<!-- 给出需要扫描Dao接口包 -->
		<property name="basePackage" value="com.lzw.dao" />
	</bean>
</beans>

6、在src/main/resources/spring下新建spring-service.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!-- 扫描service包下所有使用注解的类型 -->
    <context:component-scan base-package="com.lzw.service" />

    <!-- 配置事务管理器 -->
    <bean id="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!-- 配置基于注解的声明式事务 -->
    <tx:annotation-driven transaction-manager="transactionManager" />
</beans>

7、在src/main/resources/spring下新建spring-web.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/mvc
    http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
	<!-- 配置SpringMVC -->
	<!-- 1.开启SpringMVC注解模式 -->
	<!-- 简化配置: (1)自动注册DefaultAnootationHandlerMapping,AnotationMethodHandlerAdapter 
		(2)提供一些列:数据绑定,数字和日期的format @NumberFormat, @DateTimeFormat, xml,json默认读写支持 -->
	<mvc:annotation-driven />

	<!-- 2.静态资源默认servlet配置 (1)加入对静态资源的处理:js,gif,png (2)允许使用"/"做整体映射 -->
	<mvc:resources mapping="/resources/**" location="/resources/" />
	<mvc:default-servlet-handler />

	<!-- 3.定义视图解析器 -->
	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/html/"></property>
		<property name="suffix" value=".html"></property>
	</bean>
	<!-- 4.扫描web相关的bean -->
	<context:component-scan base-package="com.lzw.controller" />
</beans>

8、修改web.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" metadata-complete="true" version="3.1">
  <display-name>Archetype Created Web Application</display-name>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>
   <servlet>
  	<servlet-name>spring-dispatcher</servlet-name>
  	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  	<init-param>
  		<param-name>contextConfigLocation</param-name>
  		<param-value>classpath:spring/spring-*.xml</param-value>
  	</init-param>
  </servlet>
  <servlet-mapping>
  	<servlet-name>spring-dispatcher</servlet-name>
  	<!-- 默认匹配所有的请求 -->
  	<url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>

建好的效果是

运行index.jsp运行成功即可 在下一篇会详细讲解对ssm进行验证 以及junit的使用

整个工程已上传至https://download.csdn.net/download/sm16111/11438131

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