springMVC4+mybatis+Druid+Maven

整個框架結構

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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>cn.yanxi.ssm</groupId>
  <artifactId>ssmTest</artifactId>
  <packaging>war</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>ssmTest Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <properties>
    <spring.version>4.2.2.RELEASE</spring.version>
    <spring-data.version>1.2.0.RELEASE</spring-data.version>
  </properties>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.10</version>
      <scope>test</scope>
    </dependency>

    <!--mybatis-->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.3.0</version>
    </dependency>
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.3.0</version>
    </dependency>

    <!--servlet-jar-->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.0.1</version>
    </dependency>
    <dependency>
      <groupId>javax.servlet.jsp</groupId>
      <artifactId>jsp-api</artifactId>
      <version>2.1</version>
      <scope>provided</scope>
    </dependency>
    <!-- Durid數據庫鏈接池 -->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>druid</artifactId>
      <version>1.0.16</version>
    </dependency>

    <!--數據庫驅動包mysql-->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.27</version>
    </dependency>
    <!--日誌文件 對於springmvc mybatis整合這個必須得用耶-->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.17</version>
    </dependency>

    <!--jsp解析-->
    <dependency>
      <groupId>jstl</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>

    <!--spring mvc-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>${spring.version}</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-orm</artifactId>
      <version>4.2.4.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjrt</artifactId>
      <version>1.8.9</version>
    </dependency>
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjweaver</artifactId>
      <version>1.8.9</version>
    </dependency>
  </dependencies>

  <build>
    <finalName>ssmTest</finalName>
  </build>
</project>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">
  <display-name>Archetype Created Web Application</display-name>
  <!-- 加載全部的配置文件 -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:spring-mybatis.xml</param-value>
  </context-param>
  <!-- 配置Spring監聽 -->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!--配置SpringMVC-->
  <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>
  <servlet-mapping>
    <servlet-name>springMVC</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>

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:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       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/mvc
       http://www.springframework.org/schema/mvc/spring-mvc.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx.xsd">
    
    <!--指明 controller serviceImple 所在包，並掃描其中的註解-->
    <context:component-scan base-package="cn.yanxi.controller"/>

    <!--靜態資源（js image等）的訪問-->
    <mvc:default-servlet-handler/>
    <!--開啓註解-->
    <mvc:annotation-driven/>
    <!--配置視圖解析器-->
    <!--用於支持Servlet、JSP視圖解析-->
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value="/html/"/>
        <property name="suffix" value=".jsp"/>
     </bean>
    </beans>

經過實踐這個路徑不行<property name="mapperLocations" value="classpath:cn/yanxi/mapping/*Mapper.xml"/>，掃描找不到要注入的類，只能把mapping文件放在resources下 <property name="mapperLocations" value="classpath:config/mapping/*Mapper.xml"/>

spring-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:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">

    <context:component-scan base-package="cn.yanxi"/>
    <context:property-placeholder location="classpath:jdbc.properties"/>
    <context:property-placeholder location="classpath:log4j.properties"/>

    <!-- 配置Druid鏈接池,一般只須要修改initialSize，minIdle，maxActive的值 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
        <property name="driverClassName" value="${jdbc.driverClassName}"/>

        <!-- 配置初始化大小、最小、最大 -->
        <property name="initialSize" value="1" />
        <property name="minIdle" value="1" />
        <property name="maxActive" value="20" />
        <!-- 配置獲取鏈接等待超時的時間 -->
        <property name="maxWait" value="60000" />
        <!-- 配置間隔多久才進行一次檢測，檢測須要關閉的空閒鏈接，單位是毫秒 -->
        <property name="timeBetweenEvictionRunsMillis" value="60000" />
        <!-- 配置一個鏈接在池中最小生存的時間，單位是毫秒 -->
        <property name="minEvictableIdleTimeMillis" value="300000" />
        <property name="validationQuery" value="SELECT 'x'" />
        <property name="testWhileIdle" value="true" />
        <property name="testOnBorrow" value="false" />
        <property name="testOnReturn" value="false" />
        <!-- 打開PSCache，而且指定每一個鏈接上PSCache的大小 -->
        <property name="poolPreparedStatements" value="false" />
        <property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
        <!-- 配置監控統計攔截的filters -->
        <property name="filters" value="stat" />
    </bean>

    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
       <!--配置一些mybatis本身的屬性，好比別名之類的-->
        <property name="configLocation" value="classpath:mybatis-config.xml" />

        <!--經過實踐這個路徑不行，掃描找不到要注入的類，只能把mapping文件放在resources下-->
        <!--<property name="mapperLocations" value="classpath:cn/yanxi/mapping/*Mapper.xml"/>-->
        <!--自動掃描mapping文件-->
        <property name="mapperLocations" value="classpath:config/mapping/*Mapper.xml"/>
    </bean>

    <!-- DAO接口所在包名，Spring會自動查找其下的類 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="cn.yanxi.dao"/>
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    </bean>

     <!--事務管理-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <tx:annotation-driven transaction-manager="transactionManager"/>
    <tx:advice id="transactionAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="*" propagation="SUPPORTS"/>
        </tx:attributes>
    </tx:advice>
    <aop:config>
        <aop:pointcut id="transactionPointcut" expression="execution(public *  cn.yanxi.service..*Impl.*(..))"/>
        <aop:advisor pointcut-ref="transactionPointcut" advice-ref="transactionAdvice"/>
    </aop:config>

</beans>

mybatis-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <settings>
        <setting name="logImpl" value="LOG4J"/>
    </settings>
    <typeAliases>
        <package name="cn.yanxi.model"/>
        <!--配置別名-->
    </typeAliases>
</configuration>

jdbc.properties

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/spring?characterEncoding=UTF8
jdbc.username=root
jdbc.password=123

mapping映射文件

<?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="cn.yanxi.dao.UserDao">
    <cache/>
    <!--不區分大小寫對於user或者User-->
    <insert id="saveUser" parameterType="User" useGeneratedKeys="true" keyProperty="userId">
        INSERT  INTO  `user` (`userName`,`password`) VALUES (#{userName},#{password})
    </insert>
</mapper>

controller類

@Controller
public class UserController {
    @Autowired
    private UserService userService;

    @RequestMapping(value = "/save_user")
    public String saveUser(@ModelAttribute User user){
        userService.saveUser(user);
        return "login";
    }
}

service類

public abstract interface UserService {
    public abstract void saveUser(User user);
}

serviceImpl類

@Service("userServiceImpl")
public class UserImple implements UserService {
    @Resource
    private UserDao userDao;
    public void saveUser(User user) {
      try {
          userDao.saveUser(user);
          System.out.println("save success");
      }catch (Exception e){
          e.printStackTrace();
          System.out.println("save faile");
      }

    }
}

dao層

public abstract interface UserDao {
   public abstract int saveUser(User user);
}

springmvc 單元測試

import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.view;
import static org.springframework.test.web.servlet.setup.MockMvcBuilders.webAppContextSetup;

/**
 * Created by 言溪 on 2016/11/18.
 */
@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(locations = {"classpath:spring-mvc.xml", "classpath:spring-mybatis.xml"})
public class UserTest {
    @Autowired
    private WebApplicationContext webApplicationContext;

    private MockMvc mockMvc;

    @Before
    public void setup() throws Exception {
        this.mockMvc = webAppContextSetup(webApplicationContext).build();
    }

    @Test
    public void saveUserTest() throws Exception {
        this.mockMvc.perform(
                post("/save_user")
                        .contentType(MediaType.APPLICATION_FORM_URLENCODED)
                        .param("userName", "王寶強")
                        .param("password", "03218"))
                .andDo(print())
                .andExpect(view().name("login"))
                .andReturn();
    }
}

單元測試結果

save success

MockHttpServletRequest:
      HTTP Method = POST
      Request URI = /save_user
       Parameters = {userName=[王寶強], password=[03218]}
          Headers = {Content-Type=[application/x-www-form-urlencoded]}

Handler:
             Type = cn.yanxi.controller.UserController
           Method = public java.lang.String cn.yanxi.controller.UserController.saveUser(cn.yanxi.model.User)

Async:
    Async started = false
     Async result = null

Resolved Exception:
             Type = null

ModelAndView:
        View name = login
             View = null
        Attribute = user
            value = User{userId=17, userName='王寶強', password='03218'}
           errors = []

FlashMap:
       Attributes = null

MockHttpServletResponse:
           Status = 200
    Error message = null
          Headers = {}
     Content type = null
             Body = 
    Forwarded URL = /html/login.jsp
   Redirected URL = null
          Cookies = []

Process finished with exit code 0

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