Maven集成SSM

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目录

Maven 集成SSM

GIT（本章简单增删改查实例已上传）:https://gitlab.com/450255266/code

Maven依赖

<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.znsd.ssm</groupId>
    <artifactId>ssm-web</artifactId>
    <packaging>war</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <name>ssm-web Maven Webapp</name>
    <url>http://maven.apache.org</url>
    <!-- 依赖属性定义 -->
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <spring.version>4.2.3.RELEASE</spring.version>
        <javassist.version>3.11.0.GA</javassist.version>
        <aspectj.version>1.5.3</aspectj.version>
        <asm.version>3.2</asm.version>
        <cglib.version>2.2.2</cglib.version>
        <jackson.version>1.9.13</jackson.version>
        <mybatis.version>3.2.8</mybatis.version>
        <mybatis-spring.version>1.2.2</mybatis-spring.version>
        <mysql-jdbc.version>5.0.8</mysql-jdbc.version>
        <hessian.version>4.0.38</hessian.version>
        <druid.version>1.0.12</druid.version>
        <slf4j.version>1.6.1</slf4j.version>
        <logback.version>1.1.2</logback.version>
        <commons-codec.version>1.3</commons-codec.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
            <version>${commons-codec.version}</version>
        </dependency>

        <!-- spring begin -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-expression</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jms</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-oxm</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- spring end -->

        <!-- javassist -->
        <dependency>
            <groupId>javassist</groupId>
            <artifactId>javassist</artifactId>
            <version>${javassist.version}</version>
        </dependency>

        <!-- aspectj -->
        <dependency>
            <groupId>aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>${aspectj.version}</version>
        </dependency>

        <!-- asm -->
        <dependency>
            <groupId>asm</groupId>
            <artifactId>asm</artifactId>
            <version>${asm.version}</version>
        </dependency>
        <dependency>
            <groupId>cglib</groupId>
            <artifactId>cglib</artifactId>
            <version>${cglib.version}</version>
        </dependency>

        <!-- json -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.9.0</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>2.9.0</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.9.0</version>
        </dependency>

        <!-- mybatis -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>${mybatis-spring.version}</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>${mysql-jdbc.version}</version>
        </dependency>

        <!-- spring mvc -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!-- jsp servlet -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.1</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>jsptags</groupId>
            <artifactId>pager-taglib</artifactId>
            <version>2.0</version>
        </dependency>
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>taglibs</groupId>
            <artifactId>standard</artifactId>
            <version>1.1.2</version>
        </dependency>

        <!-- junit -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>

        <!-- alibaba 数据源 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>${druid.version}</version>
        </dependency>

        <!-- log -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>jcl-over-slf4j</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>${logback.version}</version>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-core</artifactId>
            <version>${logback.version}</version>
        </dependency>
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3.3</version>
        </dependency>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.3</version>
        </dependency>
    </dependencies>
    
    <build>
        <finalName>ssm-web</finalName>

        <plugins>
            <!-- 编译插件，默认使用jdk1.8 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.2</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
            <!-- 使用utf-8编码处理资源文件 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>2.4.3</version>
                <configuration>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

添加log4j配置文件

  • 由于MyBatis依赖与log4j输出sql语句信息，所以需要配置log4j配置文件。

    #设置输出级别和输出位置
log4j.rootLogger=debug,Console
#设置控制台相关的参数
log4j.appender.Console=org.apache.log4j.ConsoleAppender  
log4j.appender.Console.layout=org.apache.log4j.PatternLayout  
log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n  
#设置MyBatis的输出内容
log4j.logger.java.sql.ResultSet=INFO  
log4j.logger.org.apache=INFO  
log4j.logger.java.sql.Connection=DEBUG  
log4j.logger.java.sql.Statement=DEBUG  
log4j.logger.java.sql.PreparedStatement=DEBUG

配置web.xml

  • 添加SpringMVC核心控制器DispatcheerServlet配置信息

    <!-- 配置SpringMVC的处理请求的Servlet -->
<servlet>
    <servlet-name>dispatcherServlet</servlet-name>
    <servlet-class>
        org.springframework.web.servlet.DispatcherServlet
    </servlet-class>
    <init-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:springmvc.xml</param-value>
    </init-param>
    <!-- 表示系统启动时自动加载这个servlet -->
    <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>dispatcherServlet</servlet-name>
    <url-pattern>/</url-pattern>
</servlet-mapping>

添加编码过滤器

  • 添加乱码过滤器，避免提交时出现乱码。

    <!-- 开启编码过滤器 -->
<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>

添加put和delete请求

  • 支持put和delete请求

    <!-- 设置是否支持put和delete请求 -->
<filter>
    <filter-name>HiddenHttpMethodFilter</filter-name>
    <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
    <filter-name>HiddenHttpMethodFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

配置springmvc.xml

  • 添加springmvc的配置文件，设置自动扫描包路径，静态资源处理，视图解析器等。

    <?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"
  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-4.2.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.2.xsd">

<!-- 自动扫描基包，将类加载到Spring容器中 -->
<context:component-scan base-package="com.znsd.ssm" />

<!-- 视图解析器：将逻辑视图转发到对应的物理视图 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    <property name="prefix" value="/WEB-INF/views/" />
    <property name="suffix" value=".jsp" />
</bean>

<!-- 将静态资源交由tomcat来处理 -->
<mvc:default-servlet-handler />

<!-- 注册类型转换器 -->
<mvc:annotation-driven />

配置文件上传

  • 配置文件上传组件。

    <!-- 配置文件上传组件 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    <!-- 指定默认的编码格式 -->
    <property name="defaultEncoding" value="UTF-8" />
    <!-- 指定允许上传的文件大小，单位Byte -->
    <property name="maxUploadSize" value="512000" />
</bean>

配置druid连接池信息

  • 配置c3p0连接池信息

    <!-- 加载properties配置文件 -->
<context:property-placeholder location="classpath:jdbc.properties" />

<!-- druid数据源 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
      init-method="init" destroy-method="close">
    <!-- 基本属性 url、user、password -->
    <property name="driverClassName" value="${jdbc.driver}" />
    <property name="url"
              value="jdbc:mysql://${jdbc.host}:${jdbc.port}/${jdbc.dbname}?characterEncoding=UTF-8&amp;zeroDateTimeBehavior=convertToNull&amp;noAccessToProcedureBodies=true" />
    <property name="username" value="${jdbc.user}" />
    <property name="password" value="${jdbc.password}" />
    <!-- 配置初始化大小、最小、最大 -->
    <property name="initialSize" value="1" />
    <property name="minIdle" value="1" />
    <property name="maxActive" value="20" />
    <!-- 配置获取连接等待超时的时间 -->
    <property name="maxWait" value="60000" />
    <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
    <property name="timeBetweenEvictionRunsMillis" value="${jdbc.pool.timeBetweenEvictionRunsMillis}" />
    <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
    <property name="minEvictableIdleTimeMillis" value="${jdbc.pool.minEvictableIdleTimeMillis}" />
    <property name="validationQuery" value="SELECT 'x'" />
    <property name="testWhileIdle" value="true" />
    <property name="testOnBorrow" value="false" />
    <property name="testOnReturn" value="false" />
    <!--如果是Oracle的话需要配置一下参数 -->
    <!-- 打开PSCache，并且指定每个连接上PSCache的大小 -->
    <!--<property name="poolPreparedStatements" value="true" /> -->
    <!--<property name="maxPoolPreparedStatementPerConnectionSize" value="20" 
   /> -->
    <!-- 配置监控统计拦截的filters -->
    <property name="filters" value="stat" />
</bean>

  • jdbc.properties文件

    ##jdbcu914Du7F6E##
jdbc.driver=com.mysql.jdbc.Driver
jdbc.dbname=test
jdbc.port=3306
jdbc.host=192.168.41.10
jdbc.user=znsd_test
jdbc.password=123456
jdbc.pool.minPoolSize=5
jdbc.pool.maxPoolSize=30
jdbc.pool.initialPoolSize=5
jdbc.pool.maxIdleTime=60
jdbc.pool.timeBetweenEvictionRunsMillis=60000
jdbc.pool.minEvictableIdleTimeMillis=300000

配置sqlSessionFactory

  • MyBatis中使用sqlSessionFactory来生产session对象，和Hibernate中相似，也可以交由spring来管理。

  • 设置扫描的映射文件和dao包

    <!-- mybatis session 工厂 -->
<bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    <property name="dataSource" ref="dataSource" />
    <property name="mapperLocations">
        <list>
            <value>classpath*:/mybatis-mapping/*.xml</value>
        </list>
    </property>
    <!-- 指定mybatis的配置文件(可有可无) -->
      <property name="configLocation" value="classpath:mybatis.xml"></property>
</bean>
<!-- mybatis接口 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    <!-- mybatis 接口包（如果有多个可以用,逗号隔开） -->
    <property name="basePackage" value="com.znsd.ssm" />
    <property name="sqlSessionFactoryBeanName" value="sessionFactory" />
    <property name="annotationClass" value="org.springframework.stereotype.Repository" />
</bean>

Mybatis映射文件

  • 在SSM中，可以省略mybatis配置文件，也可以添加，只不过需要在sqlSessionFactory中配置configLocation属性即可。

    <?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>
  <!-- 取别名，这个必须按照一定的顺序配置 -->
  <typeAliases>
      <!-- 将这个包下面的所有的类全部倒入进来，明明规则就是类名首字母小写 -->
      <package name="com.lxit.ssm.entities"/>
      <!-- 指定单独一个类的别名 -->
      <!-- <typeAlias type="com.lxit.ssm.entities.Student" alias="stu"/> -->
  </typeAliases>
</configuration>

配置事务

  • 在Spring里面，可以通过AOP来管理事务，非常强大。

    <!-- 定义事务管理器（声明式的事务） -->
<bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="dataSource" />
</bean>

<!-- 事务的通知方式 -->
<tx:advice id="txAdvice" transaction-manager="txManager">
    <tx:attributes>
        <tx:method name="find*" propagation="REQUIRED" read-only="true" />
        <tx:method name="search*" propagation="REQUIRED" read-only="true" />
        <tx:method name="query*" propagation="REQUIRED" read-only="true" />

        <tx:method name="add*" propagation="REQUIRED" />
        <tx:method name="submit*" propagation="REQUIRED" />
        <tx:method name="save*" propagation="REQUIRED" />
        <tx:method name="insert*" propagation="REQUIRED" />

        <tx:method name="del*" propagation="REQUIRED" />
        <tx:method name="remove*" propagation="REQUIRED" />

        <tx:method name="update*" propagation="REQUIRED" />
        <tx:method name="modify*" propagation="REQUIRED" />

        <tx:method name="*" propagation="REQUIRED" read-only="true" />
    </tx:attributes>
</tx:advice>

到了这里配置就已经完成了。

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