使用Eclipse搭建SSM框架(Spring + Spring MVC + Mybatis)


1.創建項目

1)打開Eclipse,點擊File --> New --> Other

 

2)輸入maven,找到Maven Project

 

3)然后一直按Next,直到出現一下界面:

 

4)輸入web后點擊Aftifact Id為maven-archetype-webapp的選項,然后繼續Next

 

5)然后輸入你的Group Id和項目名,點擊finish

 

6)項目創建好之后可能會出現如下情況:

這是因為項目中缺少Tomcat有關jar包導致的,接下來我們就來解決這個問題,右鍵單擊項目,選擇Build Path -->  Add Library -->  Server Runtime,然后點擊Next

然后選擇你要的Tomcat容器,點擊Finish

這個時候問題就解決了

 

7)更改Dynamic Web Module和jdk版本號。更改之前是這樣的:

而我電腦里配的Java環境是jdk1.8的,Tomcat的版本是9.0,可以將Dynamic Web Module版本改成3.1,但是不能直接在上面更改,接下來我就詳細講一下怎么更改這兩個版本:

  • 首先找到你那個項目所在的路徑,打開那個項目文件夾之后找到.settings文件夾,這個在你那里也可能被隱藏,記得打開顯示隱藏文件夾的選項
  • 然后進入.settings文件夾,找到org.eclipse.wst.common.project.facet.core.xml文件

  • 打開文件后改成你對應的版本

    更改前》》》》》》》》

    更改后》》》》》》》

  • 然后回到eclipse中,找到web.xml文件,將其修改為(對應Dynamic Web Module修改后的版本,我這里是3.1):
    <?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" metadata-complete="true">
    </web-app>
  • 第四部修改pom.xml文件(對應修改后的jdk版本),將其修改為:
<build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

 

  • 最后右擊項目,選擇Maven --> Update Project

彈出界面后勾選你當前的項目點擊OK即可

2.導入SSM項目所需要的jar包

<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>com.test</groupId>
    <artifactId>ssm</artifactId>
    <packaging>war</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <name>ssm Maven Webapp</name>
    <url>http://maven.apache.org</url>
    <properties>
        <!-- Spring版本號 -->
        <spring.version>4.3.8.RELEASE</spring.version>
    </properties>
    <dependencies>
        <!-- Spring相關包 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</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</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>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!-- AOP相關包 -->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjrt</artifactId>
            <version>1.8.0</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.0</version>
        </dependency>

        <!-- MyBatis相關包 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.3.0</version>
        </dependency>
        <!-- MySQL相關包 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.26</version>
        </dependency>
        <!-- 數據庫連接池 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.20</version>
        </dependency>

        <!-- Spring集成MyBatis -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.2.3</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.5.2</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.5.2</version>
        </dependency>

        <!-- JSP標准標簽庫 -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!-- 日志相關包 -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.21</version>
        </dependency>

        <!-- 單元測試相關包 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>

        <!-- spring對測試框架的簡單封裝功能 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

 

 

3.完善項目結構

相信大家細心的話都會發現,之前創建的項目目錄少了一些東西:src/main/java 、src/test/java 、src/test/resources

 

如果大家的情況和我一樣的話,首先我們右擊項目,選擇 Build Path --> Configure Build Path,進入界面將有錯誤的文件Remove后點擊Apply And Close

 

然后右擊項目,選擇 New --> Source Folder

 

輸入名字后點擊Finish,依次將缺失的幾個補齊

 

補齊之后,再右擊項目,選擇 Build Path --> Configure Build Path,進入界面,找到先前補齊的文件,更改Output Folder輸出路徑

 

 

 

依次更改好之后點擊Apply And Close

 

將以上步驟做好之后,再右擊項目 ,選擇Properties,找到Deployment Assembly,移除以下兩個文件夾后點擊Apply And Close

 

4.創建配置文件

 

log4j.properties文件:

#USE THIS SETTING FOR OUTPUT MYBATIS`s SQL ON THE CONSOLE
log4j.rootLogger=INFO, Console

#Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n

log4j.logger.java.sql.ResultSet=INFO
log4j.logger.org.apache=INFO
log4j.logger.java.sql.Connection=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG

 

 

mybatis-config.xml文件:

<?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="mapUnderscoreToCamelCase" value="true" />
    </settings>
    <!-- 設置別名,對應實體類包名 -->
    <typeAliases>
        <package name="com.zqz.pojo" />
    </typeAliases>
</configuration>

 

 

spring-mvc.xml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/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">

    <!-- 啟動自動掃描 -->
    <context:component-scan base-package="com.zqz.*" />

    <!-- 注冊MVC注解驅動 -->
    <mvc:annotation-driven />

    <!-- 靜態資源可訪問的設置方式 -->
    <mvc:default-servlet-handler />

    <!-- 配置視圖解析器,可以顯式設置,也可以不設置,不設置會依據SpringMVC的默認設置 -->
    <bean id="viewResolver"
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/" />
        <property name="suffix" value=".jsp" />
    </bean>
        <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
        <property name="messageConverters">
            <list>
                <ref bean="jsonHttpMessageConverter" />
            </list>
        </property>
    </bean>
 
    <bean id="jsonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
        <property name="supportedMediaTypes">
            <list>
                <value>application/json;charset=UTF-8</value>
            </list>
        </property>
    </bean>
</beans>

 

 

spring-mybatis.xml文件:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    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
        ">

    <!-- 指定掃描的包,對應service的實現類的包 -->
    <context:component-scan base-package="com.zqz.students.service.impl" />

    <!-- 定義數據源Bean -->
    <!-- Druid -->
    <bean id="dataSource"
        class="com.alibaba.druid.pool.DruidDataSource">
        <property name="url"
            value="jdbc:mysql://localhost:3306/students?useUnicode=true&amp;characterEncoding=UTF-8" />
        <property name="username" value="debian-sys-maint" />
        <property name="password" value="kzM7KVhkozRHJGp5" />
    </bean>

    <!-- 注冊SqlSessionFactoryBean -->
    <bean id="sqlSessionFactory"
        class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <!-- 自動掃描mappers.xml文件 -->
        <property name="mapperLocations"
            value="classpath*:com/zqz/dao/*.xml" />
        <property name="configLocation"
            value="classpath:mybatis-config.xml"></property>
    </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="com.zqz.dao" />
        <property name="sqlSessionFactoryBeanName"
            value="sqlSessionFactory" />
    </bean>
</beans>

 

 

spring-tx.xml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:aop="http://www.springframework.org/schema/aop"
    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/aop http://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!-- 開啟AOP注解掃描 -->
    <aop:aspectj-autoproxy proxy-target-class="true" />

    <!-- 事務管理器,依賴於數據源 -->
    <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>
    
    <!-- 編寫通知:對事務進行增強(通知),需要編寫對切入點和具體執行事務細節 -->
    <tx:advice id="txAdvice" transaction-manager="txManager">
        <tx:attributes>
            <!--
                為切入點方法添加事務詳情
                name:方法名,*表示任意方法名稱
                propagation:設置傳播行為
                isolation:設置隔離級別
                read-only:是否只讀
            -->
            <tx:method name="add*" propagation="REQUIRED" isolation="DEFAULT" read-only="false" rollback-for="Exception" />
            <tx:method name="delete*" propagation="REQUIRED" isolation="DEFAULT" read-only="false" rollback-for="Exception" />
            <tx:method name="update*" propagation="REQUIRED" isolation="DEFAULT" read-only="false" rollback-for="Exception" />
        </tx:attributes>
    </tx:advice>
    
    <!-- 設置AOP,讓Spring自動對目標生成代理,需要使用AspectJ表達式 -->
    <aop:config proxy-target-class="true">
        <!-- 切面:整合切入點和通知 -->
        <aop:advisor advice-ref="txAdvice" pointcut="within(com.zqz.controller..*)" />
    </aop:config>
</beans>

 

 

最后還有web.xml文件:

<?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" metadata-complete="true">

    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>
            classpath*:/spring-mybatis.xml,
        classpath*:/spring-tx.xml
    </param-value>
    </context-param>

    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <listener>
        <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
    </listener>


    <servlet>
        <servlet-name>springServlet</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>2</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>springServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    <session-config>
        <session-timeout>20</session-timeout>
    </session-config>
</web-app>

 

 

到這里整合也就完成了,只剩編寫具體的業務代碼了

 

 

 

 


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