maven 学习笔记4 ，通过maven 完成ssm项目拆分

深藏阁楼爱情的钟 2022-03-20 08:24 179阅读 0赞

### 文章目录 ###

*  项目结构
 *  父工程
 *   *   *  pom文件
         *  依次创建工程模块
 *  web工程
 *   *   *  pom文件
         *  web.xml
         *  spring 配置文件
         *  业务代码
 *  服务层工程
 *   *   *  pom文件配置
         *  代码
 *  dao层工程
 *   *   *  pom文件
         *  代码
 *  实体模块
 *   *   *  pom文件
         *  代码
 *  测试项目
 *   *   *  把项目打包安装到本地仓库
         *  把web项目加入到tomcat中 运行

# 项目结构 #

父工程,maven\_parent,pom  
—web工程,maven\_controller,jar  
—服务层工程,maven\_service,jar  
—dao层工程,maven\_dao,jar  
—实体模块，maven\_entity,jar

# 父工程 #

### pom文件 ###

<properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     
     <spring.version>5.0.8.RELEASE</spring.version>
     
     <mybatis.version>3.4.5</mybatis.version>
     <mybatis-spring.version>1.3.1</mybatis-spring.version>
     <mysql-connection-version>5.1.9</mysql-connection-version>
     <jackson-version>2.9.4</jackson-version>
    </properties>
    
    <dependencyManagement>
    <dependencies>
       <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-context</artifactId>
         <version>${ spring.version}</version>
     </dependency>
       <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-web</artifactId>
         <version>${ spring.version}</version>
     </dependency>
     <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-webmvc</artifactId>
         <version>${ spring.version}</version>
     </dependency>
    <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-tx</artifactId>
         <version>${ spring.version}</version>
     </dependency> 
     
    <dependency>
     <groupId>org.springframework</groupId>
     <artifactId>spring-jdbc</artifactId>
    <version>${ spring.version}</version>
    </dependency>
     <dependency>
     <groupId>mysql</groupId>
     <artifactId>mysql-connector-java</artifactId>
     <version>${ mysql-connection-version}</version>
    </dependency>
    
    <dependency>
     <groupId>org.mybatis</groupId>
     <artifactId>mybatis-spring</artifactId>
     <version>${ mybatis-spring.version}</version>
    </dependency>
    <dependency>
     <groupId>org.mybatis</groupId>
     <artifactId>mybatis</artifactId>
     <version>${ mybatis.version}</version>
    </dependency>
    
    
    <dependency>
     <groupId>com.fasterxml.jackson.core</groupId>
     <artifactId>jackson-databind</artifactId>
     <version>${ jackson-version}</version>
    </dependency>
    <dependency>
     <groupId>com.fasterxml.jackson.core</groupId>
     <artifactId>jackson-core</artifactId>
     <version>${ jackson-version}</version>
    </dependency>
    <dependency>
     <groupId>com.fasterxml.jackson.core</groupId>
     <artifactId>jackson-annotations</artifactId>
     <version>${ jackson-version}</version>
    </dependency>
    
    <dependency>
     <groupId>commons-dbcp</groupId>
     <artifactId>commons-dbcp</artifactId>
     <version>1.4</version>
    </dependency>
    
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <version>3.8.1</version>
       <scope>test</scope>
     </dependency>
    <dependency>
     <groupId>jstl</groupId>
     <artifactId>jstl</artifactId>
     <version>1.2</version>
    </dependency>
     	
     	
    <dependency>
     <groupId>org.projectlombok</groupId>
     <artifactId>lombok</artifactId>
     <version>1.16.20</version>
     <scope>provided</scope>
    </dependency>
      </dependencies>
      </dependencyManagement>	
        <build>
       <plugins>
           <plugin>
             <artifactId>maven-compiler-plugin</artifactId>
             <version>3.6.0</version>
             <configuration>
               <source>1.8</source>
               <target>1.8</target>
             </configuration>
           </plugin>
         </plugins>
    </build>

### 依次创建工程模块 ###

选中父工程 右键  
备注：web工程 maven\_controller 打包方式选择web 其他工程选择jar  
new ->maven module  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hpZ2hlcl9nYW8_size_16_color_FFFFFF_t_70]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hpZ2hlcl9nYW8_size_16_color_FFFFFF_t_70 1]

# web工程 #

### pom文件 ###

<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>
    <parent>
      <groupId>com.sb</groupId>
      <artifactId>m_parent</artifactId>
      <version>0.0.1-SNAPSHOT</version>
    </parent>
    <artifactId>m_controller</artifactId>
    <packaging>war</packaging>
    <dependencies>
     <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-context</artifactId>
      </dependency>
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-web</artifactId>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-webmvc</artifactId>
      </dependency>
    <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-tx</artifactId>
      </dependency> 
      
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
    </dependency>
    
    
    
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
    </dependency>
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-core</artifactId>
    </dependency>
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-annotations</artifactId>
    </dependency>
      <dependency>
       <groupId>com.sb</groupId>
        <artifactId>m_service</artifactId>
          <version>0.0.1-SNAPSHOT</version>
      </dependency>
    </dependencies>
    </project>

### web.xml ###

<?xml version="1.0" encoding="UTF-8"?>
    <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" version="2.5">
    <display-name>first_springmvc</display-name>
    <welcome-file-list>
      <welcome-file>index.html</welcome-file>
      <welcome-file>index.htm</welcome-file>
      <welcome-file>index.jsp</welcome-file>
      <welcome-file>default.html</welcome-file>
      <welcome-file>default.htm</welcome-file>
      <welcome-file>default.jsp</welcome-file>
    </welcome-file-list>
    
    <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:springmvc.xml</param-value>
    	</init-param>
    </servlet>
    <servlet-mapping>
    	<servlet-name>springmvc</servlet-name>
    	<url-pattern>*.do</url-pattern>
    </servlet-mapping>
    </web-app>

### spring 配置文件 ###

<?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:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
      	
      
      <context:component-scan base-package="com.mvc.controller"></context:component-scan>
      
      
      <mvc:annotation-driven/>
      
      <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
      	<property name="prefix" value="/"/>
      	<property name="suffix" value=".jsp"/>
      </bean>
      
      
      
      
      	
      <context:property-placeholder location="classpath:jdbc.properties" />
      
      	
      <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
      	<property name="driverClassName" value="${jdbc.driver}"></property>
      	<property name="url" value="${jdbc.url}"></property>
      	<property name="username" value="${jdbc.username}"></property>
      	<property name="password" value="${jdbc.password}"></property>
      </bean>
    
      
    	<bean class="org.mybatis.spring.SqlSessionFactoryBean">
      	<property name="dataSource" ref="dataSource"></property>
      
      </bean> 
      
      
      <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
      	<property name="basePackage" value="com.mvc.dao"></property>
      </bean> 
      
      
      </beans>

### 业务代码 ###

@Controller
    public class PageController { 
      @Autowired
      PageDao pd;
      @RequestMapping("list")
      public String toPage(Model model) { 
      	model.addAttribute("name", "zhangsan");
      	return "list";
      }
      @ResponseBody
      @RequestMapping("student_list")
      public List<Student> student_list(Model model){ 
      	return pd.slist();
      }
    }

# 服务层工程 #

### pom文件配置 ###

### 代码 ###

@Service
    public class PageServiceImpl implements PageService { 
    
     @Autowired
     PageDao pd ;
     
     public List<Student> users(){ 
     	return pd.slist();
     }
    }

# dao层工程 #

### pom文件 ###

### 代码 ###

public interface PageDao { 
    
    	@Select("select * from t_student")
    	public List<Student> slist();
    }

# 实体模块 #

### pom文件 ###

### 代码 ###

public class Student { 
    	
    	String id;
    	String name;
    	String age;
    	String sex;

# 测试项目 #

### 把项目打包安装到本地仓库 ###

选择父项目  
Run as -->maven install  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hpZ2hlcl9nYW8_size_16_color_FFFFFF_t_70 2]

### 把web项目加入到tomcat中 运行 ###

![在这里插入图片描述][20190215101536471.png]

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hpZ2hlcl9nYW8_size_16_color_FFFFFF_t_70 1]: /images/20220320/045c9542e0814533b240da655ffa5378.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hpZ2hlcl9nYW8_size_16_color_FFFFFF_t_70 2]: /images/20220320/ba862db58ad349f19aa000a570bed985.png
[20190215101536471.png]: /images/20220320/3d444b1b63d848b4bf39339c65a641e3.png