ssm项目集成--单模块

1.web.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
        http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
           version="3.0">

    <!--核心控制器-->
    <servlet>
        <servlet-name>dispatchServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--读取SpringMVC的配置文件-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:applicationContext-mvc.xml</param-value>
        </init-param>
        <!--Tomcat启动就启动-->
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatchServlet</servlet-name>
        <!--符合RESTful风格-->
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!--Spring监听器(读取核心文件)-->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>

    <!--POST请求的中文编码过滤器-->
    <!-- 字符集 过滤器  -->
    <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>2.pom.xml配置

<?xml version="1.0" encoding="UTF-8"?>

<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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>cn.itsource.crm</groupId>
    <artifactId>crm</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>

    <name>crm Maven Webapp</name>
    <!-- FIXME change it to the project's website -->
    <url>http://www.example.com</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
        <org.springframework.version>4.2.5.RELEASE</org.springframework.version>
        <org.hibernate.version>4.3.8.Final</org.hibernate.version>
        <spring-data-jpa.version>1.9.0.RELEASE</spring-data-jpa.version>
        <com.fasterxml.jackson.version>2.5.0</com.fasterxml.jackson.version>
    </properties>
    <dependencies>
        <!-- Spring的支持包 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${org.springframework.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.2.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${org.springframework.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${org.springframework.version}</version>        </dependency>        <dependency>            <groupId>org.springframework</groupId>           
 <artifactId>spring-orm</artifactId>           
 <version>${org.springframework.version}</version>       
 </dependency>       
 <dependency>            
<groupId>org.springframework</groupId>           
 <artifactId>spring-aop</artifactId>            
<version>${org.springframework.version}</version>       
 </dependency>        
<dependency>           
 <groupId>org.springframework</groupId>            
<artifactId>spring-test</artifactId>            
<version>${org.springframework.version}</version>           
 <scope>test</scope>        
</dependency>       
 <!-- 引入web前端的支持 -->        
<dependency>            
<groupId>org.springframework</groupId>            
<artifactId>spring-web</artifactId>            
<version>${org.springframework.version}</version>       
 </dependency>        
<dependency>            
<groupId>org.springframework</groupId>            
<artifactId>spring-webmvc</artifactId>            
<version>${org.springframework.version}</version>        
</dependency>       
 <!-- SpringMCV上传需要用到io包-->       
 <dependency>           
 <groupId>org.apache.commons</groupId>            
<artifactId>commons-io</artifactId>            
<version>1.3.2</version>        
</dependency>        
<!-- 文件上传用到的包 -->        
<dependency>            
<groupId>commons-fileupload</groupId>            
<artifactId>commons-fileupload</artifactId>           
<version>1.2.2</version>        
</dependency>        
<!-- SpringMVC的json支持包 -->        
<dependency>            
<groupId>com.fasterxml.jackson.core</groupId>           
 <artifactId>jackson-core</artifactId>           
 <version>${com.fasterxml.jackson.version}</version>       
 </dependency>        
<dependency>            
<groupId>com.fasterxml.jackson.core</groupId>            
<artifactId>jackson-annotations</artifactId>           
 <version>${com.fasterxml.jackson.version}</version>        
</dependency>       
 <dependency>          
  <groupId>com.fasterxml.jackson.core</groupId>           
 <artifactId>jackson-databind</artifactId>            
<version>${com.fasterxml.jackson.version}</version>        
</dependency>        
<dependency>          
  <groupId>commons-dbcp</groupId>          
  <artifactId>commons-dbcp</artifactId>          
  <version>1.2.2</version>      
  </dependency>       
 <dependency>           
 <groupId>mysql</groupId>            
<artifactId>mysql-connector-java</artifactId>          
  <version>5.1.6</version>      
  </dependency>       
 <dependency>           
 <groupId>org.apache.commons</groupId>            
<artifactId>commons-lang3</artifactId>           
 <version>3.5</version>        
</dependency>      
  <!-- 測試包 -->        
<dependency>            
<groupId>junit</groupId>           
 <artifactId>junit</artifactId>            
<version>4.12</version>           
 <scope>test</scope>        
</dependency>        
<dependency>           
 <groupId>javax.servlet</groupId>           
 <artifactId>javax.servlet-api</artifactId>            
<version>3.1.0</version>            
<!-- 这个scope 只能作用在编译和测试时，同时没有传递性。表示在运行的时候不添加此jar文件 -->           
 <scope>provided</scope>        
</dependency>       
 <dependency>           
 <groupId>commons-logging</groupId>           
<artifactId>commons-logging</artifactId>           
 <version>1.2</version>       
 </dependency>        
<!-- 导入poi的支持-->       
 <!-- poi支持的jar包     
 <dependency>            
<groupId>org.apache.poi</groupId>           
 <artifactId>poi</artifactId>          
  <version>3.11</version>        
</dependency>        
<dependency>           
<groupId>org.apache.poi</groupId>            
<artifactId>poi-ooxml</artifactId>            
<version>3.11</version>        
</dependency>       
 -->        
<!--mybatis-->        
<!--mybatis的核心包-->       
 <dependency>            
<groupId>org.mybatis</groupId>            
<artifactId>mybatis</artifactId>            
<version>3.2.1</version>       
 </dependency>       
 <!--mybatis集成spring的框架-->       
 <dependency>           
 <groupId>org.mybatis</groupId>           
 <artifactId>mybatis-spring</artifactId>           
 <version>1.2.0</version>       
 </dependency>        
<!-- https://mvnrepository.com/artifact/log4j/log4j -->       
 <!--         日志包        -->        
<dependency>           
 <groupId>log4j</groupId>            
<artifactId>log4j</artifactId>           
<version>1.2.17</version>       
 </dependency>       
 <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-log4j12 -->       
 <dependency>            
<groupId>org.slf4j</groupId>            
<artifactId>slf4j-api</artifactId>           
 <version>1.7.2</version>        
</dependency>        
<dependency>            
<groupId>org.slf4j</groupId>            
<artifactId>slf4j-log4j12</artifactId>           
 <version>1.7.2</version>      
  </dependency>        
<!--mybatis的代码生成器的核心包-->      
  <dependency>            
<groupId>org.mybatis.generator</groupId>           
 <artifactId>mybatis-generator-core</artifactId>          
  <version>1.3.5</version>        
</dependency>        
<!--         jar包导入        https://mvnrepository.com/artifact/com.github.pagehelper/pagehelper -->       
 <dependency>           
 <groupId>com.github.pagehelper</groupId>           
 <artifactId>pagehelper</artifactId>            
<version>5.0.1</version>        
</dependency>   
 </dependencies>   
 <build>       
 <finalName>crm</finalName>           
 <plugins>               
 <plugin>                   
 <groupId>org.mybatis.generator</groupId>                  
  <artifactId>mybatis-generator-maven-plugin</artifactId>                   
 <version>1.3.2</version>                   
 <configuration>                       
 <verbose>false</verbose>                       
 <overwrite>true</overwrite>                    
</configuration>                
</plugin>               
 <plugin>                   
 <artifactId>maven-clean-plugin</artifactId>                  
  <version>3.1.0</version>              
  </plugin>               
 <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->               
 <plugin>                    
<artifactId>maven-resources-plugin</artifactId>                    
<version>3.0.2</version>               
 </plugin>                
<plugin>                   
 <artifactId>maven-compiler-plugin</artifactId>                   
 <version>3.8.0</version>                
</plugin>                
<plugin>                    
<artifactId>maven-surefire-plugin</artifactId>                    
<version>2.22.1</version>               
 </plugin>               
 <plugin>                    
<artifactId>maven-war-plugin</artifactId>                    
<version>3.2.2</version>                
</plugin>                
<plugin>                    
<artifactId>maven-install-plugin</artifactId>                   
 <version>2.5.2</version>                
</plugin>                
<plugin>                   
 <artifactId>maven-deploy-plugin</artifactId>                   
 <version>2.8.2</version>              
 </plugin>           
 </plugins>    
</build>
</project>

3.application.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-->
    <context:component-scan base-package="cn.itsource.crm.service" />
    <!--
        ①.db.properties,并且引入  -> ② 配置DataSource(数据源，连接池)
        -> ③.基本准备(domain，mapper，mapper.xml) -> ④.配置SqlSessionFactory -> ⑤.Service(事务管理)
        -> ⑥.集成SpringMVC(applicationContext-mvc.xml，web.xml,Controller)
     -->

    <!--①.db.properties,并且引入 注意:一定要加classpath-->
    <context:property-placeholder location="classpath:db.properties" />

    <!--② 配置DataSource(数据源，连接池)-->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driverClassName}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
    </bean>

    <!--
    `   ④.配置SqlSessionFactory
            过去咱们学了Jpa,配置EntityManagerFactory -> 使用了EntityManagerFactoryBean
                        配置SqlSessionFactory -> 使用了SqlSessionFactoryBean
    -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!--引入数据源-->
        <property name="dataSource" ref="dataSource" />
        <!--为咱们的domain取别名-->
        <property name="typeAliasesPackage" value="cn.itsource.crm.domain" />
        <!--
        <property name="typeAliasesPackage">
            <value>
                cn.itsource.crm.domain
                cn.itsource.crm.query
            </value>
        </property>
        -->
        <property name="plugins">
            <array>
                <bean class="com.github.pagehelper.PageInterceptor">
                    <property name="properties">
                        <value>helperDialect=mysql</value>
                    </property>
                </bean>
            </array>
        </property>
        <!--扫描所有映射文件-->
        <property name="mapperLocations" value="classpath:cn/itsource/crm/mapper/*.xml" />

    </bean>

    <!--注入映射器（Spring自动帮咱们实现这个映射器）-->
    <!--方法一：每一个mapper都需要单独写映射(太麻烦，一般来说不用这些)-->
    <!--
    <bean id="departmentMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
        <property name="mapperInterface" value="cn.itsource.crm.mapper.DepartmentMapper" />
        <property name="sqlSessionFactory" ref="sqlSessionFactory" />
    </bean>
    -->

<!--一劳永逸的方法:一次解决所有mapper-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="cn.itsource.crm.mapper" />
    </bean>

    <!--配置一个事务对象
        以前有一个：.DataSourceTransactionManager
    -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>
    <tx:annotation-driven  />
</beans>
4.application-mvc.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.xsd
">
    <!--扫描controller-->
    <context:component-scan base-package="cn.itsource.crm.web.controller" />
    <!--静态资源放行-->
    <mvc:default-servlet-handler />
    <!--注解支持-->
    <mvc:annotation-driven />
    <!--视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/views/" />
        <property name="suffix" value=".jsp" />
    </bean>
    <!--上传解析器
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="maxUploadSize" value="20000000"/>
        <property name="defaultEncoding" value="utf-8"></property>
    </bean>
    -->
</beans>