搭建互联网架构学习--005--框架初步拆分ssm单一框架
经过前边的准备步骤，服务器基本搭建完毕，接下来就开始一步步搭建框架了。
拆分单一结构：拆分的目的是为下一步引入dubbo做准备的。
把下边这个单一maven框架进行拆分
这个就是一个简单的maven项目，对应的表是：我们的表建在192.168.75.3上的mysql的enterprise表
拆分成如下的几个工程，其实很多公司都是这么做的，我们以前的项目也是这样的，我们一般把common、pojo、Dao、service、controller、web（或者把controller和web放在一块），其中parent是个pom工程，定义jar包版本等；facade是接口，service是接口实现，这俩是jar包工程，web-service是controller是个war包工程。
（对于他这个命名，很费解）
为了保持和课程的一致性，把到此步骤每个工程的代码贴出来吧：
一：xxxx-parent 父工程
pom工程，就是一pom.xml
<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>com.xxxx.service</groupId>
<artifactId>xxxx-parent</artifactId>
<version>1.0</version>
<packaging>pom</packaging> <!-- <parent>
<groupId>com.xxxx.service</groupId>
<artifactId>sdk-java-super-pom</artifactId>
<version>1.0</version>
<relativePath>../xxxx-sdk/sdk-java-super-pom</relativePath>
</parent>
-->
<properties>
<slf4j_version>1.7.5</slf4j_version>
<spring.version>4.1.9.RELEASE</spring.version>
<mybatis.version>3.2.6</mybatis.version>
</properties> <dependencies>
<!-- Log libs -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j_version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j_version}</version>
</dependency> </dependencies> <build>
<pluginManagement>
<plugins>
<!--This plugin's configuration is used to store Eclipse m2e settings
only. It has no influence on the Maven build itself. -->
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>
org.apache.maven.plugins
</groupId>
<artifactId>
maven-dependency-plugin
</artifactId>
<versionRange>
[2.0,)
</versionRange>
<goals>
<goal>unpack</goal>
</goals>
</pluginExecutionFilter>
<action>
<ignore></ignore>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement> <plugins>
<!-- 发布插件 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.7</version>
<configuration>
<uniqueVersion>false</uniqueVersion>
</configuration>
</plugin> <!-- java编译插件 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin> <!-- 源码插件 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>3.0.0</version>
<executions>
<execution>
<id>attach-sources</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
二：xxxx-facade 接口层
实体类 Enterprise.java：
package com.xxxx.mybatis.domain;
import java.io.Serializable;
public class Enterprise implements Serializable{
/**
*
*/
private static final long serialVersionUID = 1L;
private Integer id;
private String name;
private String address;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name == null ? null : name.trim();
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address == null ? null : address.trim();
}
}
Mapper:
package com.xxxx.mybatis.IDao;
import com.xxxx.mybatis.domain.Enterprise;
public interface EnterpriseMapper {
int deleteByPrimaryKey(Integer id);
int insert(Enterprise record);
int insertSelective(Enterprise record);
Enterprise selectByPrimaryKey(Integer id);
int updateByPrimaryKeySelective(Enterprise record);
int updateByPrimaryKey(Enterprise record);
}
Mapper.xml：
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.xxxx.mybatis.IDao.EnterpriseMapper">
<resultMap id="BaseResultMap" type="com.xxxx.mybatis.domain.Enterprise">
<id column="id" jdbcType="INTEGER" property="id" />
<result column="name" jdbcType="VARCHAR" property="name" />
<result column="address" jdbcType="VARCHAR" property="address" />
</resultMap>
<sql id="Base_Column_List">
id, name, address
</sql>
<select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap">
select
<include refid="Base_Column_List" />
from enterprise
where id = #{id,jdbcType=INTEGER}
</select>
<delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
delete from enterprise
where id = #{id,jdbcType=INTEGER}
</delete>
<insert id="insert" parameterType="com.xxxx.mybatis.domain.Enterprise">
insert into enterprise (id, name, address
)
values (#{id,jdbcType=INTEGER}, #{name,jdbcType=VARCHAR}, #{address,jdbcType=VARCHAR}
)
</insert>
<insert id="insertSelective" parameterType="com.xxxx.mybatis.domain.Enterprise">
insert into enterprise
<trim prefix="(" suffix=")" suffixOverrides=",">
<if test="id != null">
id,
</if>
<if test="name != null">
name,
</if>
<if test="address != null">
address,
</if>
</trim>
<trim prefix="values (" suffix=")" suffixOverrides=",">
<if test="id != null">
#{id,jdbcType=INTEGER},
</if>
<if test="name != null">
#{name,jdbcType=VARCHAR},
</if>
<if test="address != null">
#{address,jdbcType=VARCHAR},
</if>
</trim>
</insert>
<update id="updateByPrimaryKeySelective" parameterType="com.xxxx.mybatis.domain.Enterprise">
update enterprise
<set>
<if test="name != null">
name = #{name,jdbcType=VARCHAR},
</if>
<if test="address != null">
address = #{address,jdbcType=VARCHAR},
</if>
</set>
where id = #{id,jdbcType=INTEGER}
</update>
<update id="updateByPrimaryKey" parameterType="com.xxxx.mybatis.domain.Enterprise">
update enterprise
set name = #{name,jdbcType=VARCHAR},
address = #{address,jdbcType=VARCHAR}
where id = #{id,jdbcType=INTEGER}
</update>
</mapper>
Service:
package com.xxxx.repo;
import com.xxxx.mybatis.domain.Enterprise;
public interface IEnterpriseService {
public Enterprise getEnterpriseById(int enterpriseId);
}
pom:
<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>com.xxxx.service</groupId>
<artifactId>xxxx-facade</artifactId>
<version>1.0</version> <parent>
<groupId>com.xxxx.service</groupId>
<version>1.0</version>
<artifactId>xxxx-parent</artifactId>
<relativePath>../xxxx-parent</relativePath>
</parent> </project>
三：xxxx-service 接口实现
pom.xml:加入facade的依赖
<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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.xxxx.service</groupId>
<artifactId>xxxx-service</artifactId>
<version>1.0</version> <parent>
<groupId>com.xxxx.service</groupId>
<version>1.0</version>
<artifactId>xxxx-parent</artifactId>
<relativePath>../xxxx-parent</relativePath>
</parent> <dependencies>
<!-- 接口层 -->
<dependency>
<groupId>com.xxxx.service</groupId>
<artifactId>xxxx-facade</artifactId>
<version>1.0</version>
</dependency> <!-- spring核心包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</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-oxm</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>${spring.version}</version>
</dependency> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency> <!-- 连接mysql -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.2</version>
</dependency> <dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.30</version>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.2.2</version>
</dependency> </dependencies>
</project>
实现xxxx-facade的接口：
EnterpriseServiceImpl.java
package com.xxxx.repo.Impl; import javax.annotation.Resource; import org.springframework.stereotype.Service; import com.xxxx.mybatis.IDao.EnterpriseMapper;
import com.xxxx.mybatis.domain.Enterprise;
import com.xxxx.repo.IEnterpriseService; @Service("enterpriseService")
public class EnterpriseServiceImpl implements IEnterpriseService{ @Resource
private EnterpriseMapper enterpriseMapper; @Override
public Enterprise getEnterpriseById(int enterpriseId) {
return enterpriseMapper.selectByPrimaryKey(enterpriseId);
} }
jdbc.properties:
driver=com.mysql.jdbc.Driver
url=jdbc:mysql://192.168.75.3:3306/bigdata
username=root
password=root
#\u5b9a\u4e49\u521d\u59cb\u8fde\u63a5\u6570
initialSize=0
#\u5b9a\u4e49\u6700\u5927\u8fde\u63a5\u6570
maxActive=20
#\u5b9a\u4e49\u6700\u5927\u7a7a\u95f2
maxIdle=20
#\u5b9a\u4e49\u6700\u5c0f\u7a7a\u95f2
minIdle=1
#\u5b9a\u4e49\u6700\u957f\u7b49\u5f85\u65f6\u95f4
maxWait=60000
spring.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:p="http://www.springframework.org/schema/p"
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-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
<context:annotation-config /> <!-- 自动扫描 -->
<context:component-scan base-package="com.xxxx" /> <!-- 引入配置文件 -->
<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="classpath:jdbc.properties" />
</bean> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="${driver}" />
<property name="url" value="${url}" />
<property name="username" value="${username}" />
<property name="password" value="${password}" />
<!-- 初始化连接大小 -->
<property name="initialSize" value="${initialSize}"></property>
<!-- 连接池最大数量 -->
<property name="maxActive" value="${maxActive}"></property>
<!-- 连接池最大空闲 -->
<property name="maxIdle" value="${maxIdle}"></property>
<!-- 连接池最小空闲 -->
<property name="minIdle" value="${minIdle}"></property>
<!-- 获取连接最大等待时间 -->
<property name="maxWait" value="${maxWait}"></property>
</bean> <!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!-- 自动扫描mapping.xml文件 -->
<property name="mapperLocations" value="classpath:com/xxxx/mybatis/mapping/*.xml"></property>
</bean> <!-- DAO接口所在包名，Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.xxxx.mybatis.IDao" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean> <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
</beans>
四：xxxx-web-service controller
pom.xml:
<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>com.xxxx.service</groupId>
<artifactId>xxxx-web-service</artifactId>
<version>1.0</version>
<packaging>war</packaging> <parent>
<groupId>com.xxxx.service</groupId>
<version>1.0</version>
<artifactId>xxxx-parent</artifactId>
<relativePath>../xxxx-parent</relativePath>
</parent> <dependencies>
<dependency>
<groupId>com.xxxx.service</groupId>
<artifactId>xxxx-facade</artifactId>
<version>1.0</version>
</dependency>
<dependency>
<groupId>com.xxxx.service</groupId>
<artifactId>xxxx-service</artifactId>
<version>1.0</version>
</dependency> <!-- 映入JSON -->
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<!-- 上传组件包 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.9</version>
</dependency> <dependency>
<groupId>com.github.sgroschupf</groupId>
<artifactId>zkclient</artifactId>
<version>0.1</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.5.1</version> </dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.5.0</version> </dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.4.0</version> </dependency>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
</dependency>
</dependencies> <build>
<plugins>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<version>3.0</version>
</configuration>
</plugin>
</plugins>
</build>
</project>
EnterpriseController:
package com.xxxx.controller; import javax.annotation.Resource; import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController; import com.xxxx.mybatis.domain.Enterprise;
import com.xxxx.repo.IEnterpriseService; @RestController
@RequestMapping("/enterprise")
public class EnterpriseController {
@Resource
IEnterpriseService enterpriseService; @RequestMapping("/getname")
public Enterprise getName(Integer id){
return enterpriseService.getEnterpriseById(id);
}
}
log4j:
log4j.rootLogger=DEBUG,A1
log4j.logger.org.mybatis = DEBUG
log4j.appender.A1=org.apache.log4j.ConsoleAppender
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%-d{yyyy-MM-dd HH\:mm\:ss,SSS} [%t] [%c]-[%p] %m%n
spring-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:p="http://www.springframework.org/schema/p"
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-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/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!-- 自动扫描该包，使SpringMVC认为包下用了@controller注解的类是控制器 -->
<context:component-scan base-package="com.xxxx.controller" />
<!--避免IE执行AJAX时，返回JSON出现下载文件 -->
<bean id="mappingJacksonHttpMessageConverter"
class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
</list>
</property>
</bean> <mvc:annotation-driven></mvc:annotation-driven>
<!-- 教程里使用的是下边的配置，但是这个配置 导致@RestController无效，我改成了上边的注解驱动，解决-->
<!-- 启动SpringMVC的注解功能，完成请求和注解POJO的映射 -->
<!-- <bean
class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<ref bean="mappingJacksonHttpMessageConverter" /> JSON转换器
</list>
</property>
</bean> -->
<!-- 定义跳转的文件的前后缀 ，视图模式配置-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean> <!-- 配置文件上传，如果没有使用文件上传可以不用配置，当然如果不配，那么配置文件中也不必引入上传组件包 -->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 默认编码 -->
<property name="defaultEncoding" value="utf-8" />
<!-- 文件大小最大值 -->
<property name="maxUploadSize" value="10485760000" />
<!-- 内存中的最大值 -->
<property name="maxInMemorySize" value="40960" />
</bean> </beans>
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_3_0.xsd"
version="3.0">
<display-name>Archetype Created Web Application</display-name>
<!-- Spring和mybatis的配置文件 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring.xml</param-value>
</context-param>
<!-- 编码过滤器 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<async-supported>true</async-supported>
<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>
<!-- Spring监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 防止Spring内存溢出监听器 -->
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener> <!-- Spring MVC servlet -->
<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>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<!-- 此处可以可以配置成*.do，对应struts的后缀习惯 -->
<url-pattern>/</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list> </web-app>
启动192.168.75.3,启动mysql数据库 ：service mysqld start，然后启动 xxxx-web-service工程，访问：
下一步引入dubbo
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