maven_SSM集成的demo

一、集成spring

二、集成springMVC

三、集成mybatis

1. pom.xml

<?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>com.ddh.test</groupId>
  <artifactId>maven_ssm</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>maven_ssm 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>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
      <srping.version>4.0.2.RELEASE</srping.version>
      <mybatis.version>3.2.8</mybatis.version>
      <slf4j.version>1.7.12</slf4j.version>
      <log4j.version>1.2.17</log4j.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>
      <dependency>
          <groupId>javax.servlet</groupId>
          <artifactId>javax.servlet-api</artifactId>
          <version>3.1.0</version>
          <scope>provided</scope>
      </dependency>

      <!-- java ee包 -->
      <dependency>
          <groupId>javax</groupId>
          <artifactId>javaee-api</artifactId>
          <version>7.0</version>
          <scope>provided</scope>
      </dependency>
      <!-- spring框架包 start -->
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-test</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-core</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-oxm</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-tx</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-jdbc</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-aop</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-context</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-context-support</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-expression</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-orm</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-web</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-webmvc</artifactId>
          <version>${srping.version}</version>
      </dependency>
      <!-- spring框架包 end -->
      <!-- mybatis框架包 start -->
      <dependency>
          <groupId>org.mybatis</groupId>
          <artifactId>mybatis</artifactId>
          <version>${mybatis.version}</version>
      </dependency>
      <dependency>
          <groupId>org.mybatis</groupId>
          <artifactId>mybatis-spring</artifactId>
          <version>1.2.2</version>
      </dependency>
      <!-- mybatis框架包 end -->
      <!-- 数据库驱动 -->
      <dependency>
          <groupId>mysql</groupId>
          <artifactId>mysql-connector-java</artifactId>
          <version>5.1.35</version>
      </dependency>
      <!-- 导入dbcp的jar包，用来在applicationContext.xml中配置数据库 -->
      <dependency>
          <groupId>commons-dbcp</groupId>
          <artifactId>commons-dbcp</artifactId>
          <version>1.4</version>
      </dependency>
      <!-- jstl标签类 -->
      <dependency>
          <groupId>jstl</groupId>
          <artifactId>jstl</artifactId>
          <version>1.2</version>
      </dependency>
      <!-- log start -->
      <dependency>
          <groupId>log4j</groupId>
          <artifactId>log4j</artifactId>
          <version>${log4j.version}</version>
      </dependency>
      <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>
      <!-- log END -->
      <!-- Json  -->
      <!-- 格式化对象，方便输出日志 -->
      <dependency>
          <groupId>com.alibaba</groupId>
          <artifactId>fastjson</artifactId>
          <version>1.2.6</version>
      </dependency>
      <dependency>
          <groupId>org.codehaus.jackson</groupId>
          <artifactId>jackson-mapper-asl</artifactId>
          <version>1.9.13</version>
      </dependency>
      <!-- 上传组件包 start -->
      <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>1.10</version>
      </dependency>
      <!-- 上传组件包 end -->
  </dependencies>

  <build>
    <finalName>maven_ssm</finalName>
    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
      <plugins>
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>3.0.0</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>3.7.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.20.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-war-plugin</artifactId>
          <version>3.2.0</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>
    </pluginManagement>
  </build>
</project>

2. web.xml

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app >
  <display-name>Archetype Created Web Application</display-name>
    <!--1.1配置spring初始化路径-->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <!--1.2监听器的方式，加载spring，这就是spring和tomcat的接口-->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!--配置springmvc的核心控制器-->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <!--！！指定springMVC的配置文件-->
            <param-value>classpath:applicationContext-mvc.xml</param-value>
        </init-param>
        <!--启动级别，和服务器一起启动-->
        <load-on-startup>1</load-on-startup>
    </servlet>

    <!--配置核心控制器映射，配置/意思是所有url都通过此servlet-->
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

3. applicationContext.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="com.daydayhave.ssm.service"/>
    <bean id="date" class="java.util.Date" />

    <!--引入mybatis-->
    <import resource="applicationContext-mybatis.xml" />

    <!-- 开启spring对事务的注解支持 -->
    <tx:annotation-driven/>

</beans>

4. applicationContext-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
    ">
    
    <!--扫描包 配置controller层的包扫描-->
    <context:component-scan base-package="com.daydayhave.ssm.web.controller"/>
    
    <!--静态资源放行-->
    <mvc:default-servlet-handler/>
    <!--开启springmvc注解支持-@RequestMapping-->
    <mvc:annotation-driven/>

    <!--文件上传-->
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <!-- 设置上传文件的最大尺寸为1MB -->
        <property name="maxUploadSize">
            <!-- spring el写法：5MB -->
            <value>#{1024*1024*5}</value>
        </property>
    </bean>
    
    <!--视图解析器：前后缀配置-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 前缀配置 -->
        <property name="prefix" value="/WEB-INF/jsps/" />
        <!-- 后缀配置 -->
        <property name="suffix" value=".jsp" />
    </bean>
</beans>

5. applicationContext-mybatis.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"
       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
    ">
    
    <!--jdbc.properties  datasoruce（dbcp） SqlSessionFatory mapper servce junit 事务处理 web-->
    <context:property-placeholder location="classpath:jdbc.properties"/>
    <!--配置数据源-->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <!--连接数据4个属性 -->
        <property name="driverClassName" value="${jdbc.driverClassName}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
        <!--maxActive: 最大连接数量 -->
        <property name="maxActive" value="150" />
        <!--minIdle: 最小空闲连接 -->
        <property name="minIdle" value="5" />
        <!--maxIdle: 最大空闲连接 -->
        <property name="maxIdle" value="20" />
        <!--initialSize: 初始化连接 -->
        <property name="initialSize" value="30" />
        <!-- 用来配置数据库断开后自动连接的 -->
        <!-- 连接被泄露时是否打印 -->
        <property name="logAbandoned" value="true" />
        <!--removeAbandoned: 是否自动回收超时连接 -->
        <property name="removeAbandoned" value="true" />
        <!--removeAbandonedTimeout: 超时时间(以秒数为单位) -->
        <property name="removeAbandonedTimeout" value="10" />
        <!--maxWait: 超时等待时间以毫秒为单位 1000等于60秒 -->
        <property name="maxWait" value="1000" />
        <!-- 在空闲连接回收器线程运行期间休眠的时间值,以毫秒为单位. -->
        <property name="timeBetweenEvictionRunsMillis" value="10000" />
        <!-- 在每次空闲连接回收器线程(如果有)运行时检查的连接数量 -->
        <property name="numTestsPerEvictionRun" value="10" />
        <!-- 1000 * 60 * 30 连接在池中保持空闲而不被空闲连接回收器线程 -->
        <property name="minEvictableIdleTimeMillis" value="10000" />
        <property name="validationQuery" value="SELECT NOW() FROM DUAL" />
    </bean>

    <!--配置sqlSessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!--数据库配置-->
        <property name="dataSource" ref="dataSource" />
        <!--别名就是mapper.xml中，不用谢类的全称，直接写 -->
        <property name="typeAliasesPackage" value="com.daydayhave.ssm.domain,com.daydayhave.ssm.query" />
        <!--映射文件-->
        <property name="mapperLocations" value="classpath:com/daydayhave/ssm/mapper/*Mapper.xml" />
    </bean>

    <!--扫描一个特定包，给该包下面所有的接口都产生一个以上的配置就ok
    扫描后  框架 会给这个包下的所有的mapper接口生成实现-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.daydayhave.ssm.mapper" />
    </bean>
    
</beans>

6. jdbc.properties

jdbc.driverClassName = com.mysql.jdbc.Driver
#company
#house
jdbc.url=jdbc:mysql:///testssm
jdbc.username=z2
jdbc.password=123456

2.1 domain.java

package com.daydayhave.ssm.domain;

public class Department {
    private Long id;
    private String name;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Department() {
    }

    public Department(String name) {

        this.name = name;
    }
}

2.2 DepartmentMapper.java

package com.daydayhave.ssm.mapper;


import com.daydayhave.ssm.domain.Department;

import java.util.List;

public interface DepartmentMapper {
    List<Department> loadAll();
    void save(Department department);
}

2.3 DepartmentMapper.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.daydayhave.ssm.mapper.DepartmentMapper" >
<!-- List<Department> loadAll();
    void save(Department department); -->
    <select id="loadAll" resultType="Department">
        SELECT  * from t_department
    </select>
    <insert id="save" parameterType="Department">
        INSERT INTO t_department(name) values(#{name})
    </insert>
</mapper>

2.4 IDepartmentService.java

package com.daydayhave.ssm.service;


import com.daydayhave.ssm.domain.Department;

import java.util.List;

public interface IDepartmentService {
    List<Department> getAll();
    void add(Department department);
}

2.5 DepartmentServiceImpl.java

package com.daydayhave.ssm.service.impl;


import com.daydayhave.ssm.domain.Department;
import com.daydayhave.ssm.mapper.DepartmentMapper;
import com.daydayhave.ssm.service.IDepartmentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

@Service
public class DepartmentServiceImpl implements IDepartmentService {

    @Autowired
    private DepartmentMapper departmentMapper;
    
    @Override
    public List<Department> getAll() {
        return departmentMapper.loadAll();
    }

    //写事务：需要一个事务，并且不是只读
    //@Transactional(propagation = Propagation.REQUIRED,readOnly = false)
    @Transactional//默认就是写事务
    @Override
    public void add(Department department) {
        departmentMapper.save(department);
        //int i = 1/0;
    }
}

3.1 baseTest.java

package com.daydayhave.ssm;


import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class BaseTest {
}

3.2 DepartmentServiceImplTest.java

package com.daydayhave.ssm.service.impl;

import com.daydayhave.ssm.BaseTest;
import com.daydayhave.ssm.domain.Department;
import com.daydayhave.ssm.mapper.DepartmentMapper;
import com.daydayhave.ssm.service.IDepartmentService;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.List;

import static org.junit.Assert.*;

public class DepartmentServiceImplTest extends BaseTest{

    @Autowired
    IDepartmentService departmentService;

    @Autowired
    DepartmentMapper departmentMapper;

    @Test
    public void getAll() {
        List<Department> departments = departmentService.getAll();
        System.out.println(departments);
    }

    @Test
    public void add() {
        System.out.println(departmentMapper);
    }
}

4.1 DepartmentController.java

package com.daydayhave.ssm.web.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
@RequestMapping("/department")
public class DepartmentController {

    //跳转管理页面
    @RequestMapping("/index")
    public String index(){

        return "department/index";
    }

}