创建maven【聚合工程】
所谓聚合项目,实际上就是对项目分模块,互联网项目一般来说按照业务分(订单模块、VIP模块、支付模块、CMS模块…),传统的软件项目,大多采用分层的方式(Dao、Serivce、Controller):
一、多模块结构
bobo-parent pom 管理
|-- bobo-manager pom 管理
|-- bobo-manager-dao jar
|-- bobo-manager-service jar
|-- bobo-manager-model jar
|-- bobo-manager-commons jar
|-- bobo-manager-controller war
二,创建项目
1,创建bobo-parent
pom文件不需要写代码,只是起管理作用
2.创建bobo-manager项目
创建bobo-manager项目
3.分别创建四个jar项目
.分别创建四个jar项目
相同的步骤创建其他3个jar项目
4.创建bobo-manager-controller项目
<dependencies>
<!-- 因为是web项目所以需要servlet --> <!-- https://mvnrepository.com/artifact/javax.servlet/servlet-api -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins> <!-- tomcat插件 -->
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration> <!-- 端口号 -->
<port>8082</port> <!-- /表示访问路径 省略项目名 -->
<path>/</path> <!-- 设置编码方式 -->
<uriEncoding>utf-8</uriEncoding>
</configuration>
</plugin>
</plugins>
</build>
三、设置相互依赖
1.依赖关系介绍
实现项目打包
先对bobo-parent项目打包
再对bobo-manager项目打包
添加依赖关系
controller依赖service
<!-- 配置依赖的service坐标 -->
<dependency>
<groupId>com.dpb</groupId>
<artifactId>bobo-manager-service</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
service依赖dao
<!-- 配置依赖的Dao坐标 -->
<dependency>
<groupId>com.dpb</groupId>
<artifactId>bobo-manager-dao</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
同时controller也会依赖dao,间接依赖
dao依赖model和Commons
<dependencies>
<!-- 配置依赖的model和Commons的坐标 -->
<dependency>
<groupId>com.dpb</groupId>
<artifactId>bobo-manager-model</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>com.dpb</groupId>
<artifactId>bobo-manager-commons</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
</dependencies>
Spring和SpringMVC整合
在dao中引入spring
<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.dpb</groupId>
<artifactId>bobo-manager</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<properties>
<spirng.version>4.3.3.RELEASE</spirng.version>
</properties>
<artifactId>bobo-manager-dao</artifactId>
<dependencies>
<!-- 配置依赖的model和Commons的坐标 -->
<dependency>
<groupId>com.dpb</groupId>
<artifactId>bobo-manager-model</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>com.dpb</groupId>
<artifactId>bobo-manager-commons</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spirng.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spirng.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spirng.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spirng.version}</version>
</dependency>
<!-- https://mvnrepository.com/artifact/log4j/log4j -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.6.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.27</version>
</dependency>
</dependencies>
</project>
在controller中引入springmvc
在controller中引入springmvc
<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.dpb</groupId>
<artifactId>bobo-manager</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<artifactId>bobo-manager-controller</artifactId>
<packaging>war</packaging>
<properties>
<spirng.version>4.3.3.RELEASE</spirng.version>
</properties>
<dependencies>
<!-- 因为是web项目所以需要servlet --> <!-- https://mvnrepository.com/artifact/javax.servlet/servlet-api -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<!-- 配置依赖的service坐标 -->
<dependency>
<groupId>com.dpb</groupId>
<artifactId>bobo-manager-service</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
<!-- 2.和springMvc相关的jar包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spirng.version}</version>
</dependency>
<!-- https://mvnrepository.com/artifact/jstl/jstl -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.5.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.5.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.5.2</version>
</dependency>
</dependencies>
<build>
<plugins> <!-- tomcat插件 -->
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration> <!-- 端口号 -->
<port>8083</port> <!-- /表示访问路径 省略项目名 -->
<path>/</path> <!-- 设置编码方式 -->
<uriEncoding>utf-8</uriEncoding>
</configuration>
</plugin>
</plugins>
</build>
</project>
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: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-4.3.xsd">
<context:component-scan base-package="com.sxt.dao.impl,com.sxt.service.impl" use-default-filters="true">
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<bean class="org.springframework.jdbc.datasource.DriverManagerDataSource" id="dataSource">
<!-- 配置数据库的相关信息 -->
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url"
value="jdbc:mysql://localhost:3306/pms?characterEncoding=utf-8" />
<property name="username" value="root" />
<property name="password" value="123456" />
</bean>
<bean class="org.springframework.jdbc.core.JdbcTemplate" id="template">
<property name="dataSource" ref="dataSource"></property>
</bean>
</beans>
springmvc的配置文件
<?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:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
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-4.3.xsd">
<!-- 开启SpringMVC注解的方式 -->
<mvc:annotation-driven >
</mvc:annotation-driven>
<!-- 开启扫描 -->
<context:component-scan base-package="com.sxt.controller" use-default-filters="false">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
</beans>
在controller中配置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" id="WebApp_ID" version="3.1">
<display-name>SpringMVC-01-hello</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>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:application.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<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-MVC.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<filter>
<filter-name>encodingFilter</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>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- Map all requests to the DispatcherServlet for handling -->
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.jpg</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.js</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.css</url-pattern>
</servlet-mapping>
</web-app>
实现查询操作
在model里创建beanceng
package com.sxt.bean;
public class User {
private Integer id;
private String username;
private String password;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
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;
}
@Override
public String toString() {
return "User [id=" + id + ", username=" + username + ", password=" + password + "]";
}
}
创建dao层和它的实现类
package com.sxt.dao;
import java.util.List;
import com.sxt.bean.User;
public interface UserDao {
public List<User> query();
}
package com.sxt.dao.impl;
import java.util.List;
import javax.annotation.Resource;
import org.springframework.jdbc.core.BeanPropertyRowMapper;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;
import com.sxt.bean.User;
import com.sxt.dao.UserDao;
@Repository
public class UserDaoImpl implements UserDao{
@Resource
private JdbcTemplate template;
public List<User> query() {
String Sql="select * from t_user";
return template.query(Sql, new BeanPropertyRowMapper(User.class));
}
}
创建service及其实现类
package com.sxt.service;
import java.util.List;
import com.sxt.bean.User;
public interface UserService {
public List<User> query();
}
package com.sxt.service.impl;
import java.util.List;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import com.sxt.bean.User;
import com.sxt.dao.UserDao;
import com.sxt.service.UserService;
@Service
public class UserServiceImpl implements UserService{
@Resource
private UserDao dao;
@Override
public List<User> query() {
return dao.query();
}
}
创建自定义的controller
package com.sxt.controller;
import java.util.List;
import javax.annotation.Resource;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.sxt.bean.User;
import com.sxt.service.UserService;
@RestController
public class UserController {
@Resource
private UserService userService;
@RequestMapping("/query")
public List<User> query(){
return userService.query();
}
}
测试
对bobo-manager打包
然后启动 bobo-manager-controller项目
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