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IDEA+Maven+SpringMVC+Spring+Mybatis SSM集成记录

Mephisto 发表于 2017-08-252017-08-25T00:00:00+08:00
更新于 2021-11-292021-11-29T19:50:21+08:00 12 分钟 阅读

前言

这段时间自己开始转 java后台,开始的第一个项目需要搭建 SSM框架,由于是 mac系统,被 eclipse虐了无数遍,最终转战 IDEA,使用 IDEA搭建完成了自己的第一个 SSM框架,特地在此记录一下;

github Demo地址

工具介绍

  • IDEA 2017
  • java SDK 1.7.0_79
  • Tomcat 7.0.79
  • Maven 3.5
  • SpringMVC ,Spring 4.3.7
  • Mybatis 3.4.2

创建 Maven工程

新建工程

勾选上 Creat from archetype,选择后缀名为 maven-archetype-webapp的项目,如果刚安装 IDEA, 需要在 Project SDK:那配置一下安装的 Java sdk版本.下一步

填一下团队名,项目名,下一步

配置一下自己安装的 Maven的根路径路径, Maven的 setting.xml路径,以及 Maven的仓库路径,一般配置好 Maven 的根路径以后下面的两个系统就自动选择好了>_<,下一步

设置工程名称,然后点击 Finish

等待工程自己进行初始化配置,等右下角的进度条都完成以后,工程的整体项目结构如下:

配置 Tomcat,先把工程跑起来试试看

点击这个向下的小箭头

选择这个

配置 Tomcat

全部设置完成以后启动 Tomcat,运行成功

开始集成 SSM框架

首先配置文件,创建包,需要配置的文件有:

  • pom.xml
  • applicationContext.xml
  • mybatis.config.xml
  • dbconfig.properties
  • dispatcherServlet-servlet.xml
  • web.xml

基本结构如图(配置文件在后面):

创建完配置文件以后,使用 Mybatis的 Maven插件逆向工程创建 bean,dao,以及 mapper文件 在 pom.xml中添加这一段,集成 Mybatis的 Maven插件(下文中的 pom.xml文件已添加)

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  <build>
     <finalName>webTest</finalName>

     <plugins>
       <plugin>
         <groupId>org.mybatis.generator</groupId>
         <artifactId>mybatis-generator-maven-plugin</artifactId>
         <version>1.3.5</version>
         <configuration>
           <configurationFile>src/main/resources/generatorConfig.xml</configurationFile>
           <verbose>true</verbose>
           <overwrite>true</overwrite>
         </configuration>
       </plugin>
     </plugins>
 </build>

创建插件配置文件 generatorConfig.xml,通过下图配置,运行该文件,在 Maven的 Command line:输入 mybatis-generator:generate -e 点击 ok:

运行, Mybatis 自动创建出 bean,dao,mapper 文件

到这里, SSM 框架整合完成,运行 Tomcat,整体项目结构如图:

华丽的分割线

generatorConfig.xml

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  <?xml version="1.0" encoding="UTF-8"?>
  <!DOCTYPE generatorConfiguration
          PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
          "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
  <generatorConfiguration>
      <properties resource="dbconfig.properties"></properties>

      <classPathEntry location="/Users/mac/Desktop/gittub/maven_jar/mysql/mysql-connector-java/5.1.41/mysql-connector-java-5.1.41.jar" />

      <context id="context1" targetRuntime="MyBatis3">

          <commentGenerator>
              <!-- 去除自动生成的注释 -->
              <property name="suppressAllComments" value="true" />
          </commentGenerator>

          <!-- 数据库连接配置 -->
          <jdbcConnection driverClass="${jdbc.driverClass}"
                          connectionURL="${jdbc.jdbcUrl}"
                          userId="${jdbc.user}"
                          password="${jdbc.password}" />
          <!--jdbcConnection driverClass="com.mysql.jdbc.Driver"
                          connectionURL="jdbc:mysql://localhost:3306/test"
                          userId="root"
                          password="mysql" /-->

          <!-- 非必需，类型处理器，在数据库类型和java类型之间的转换控制-->
          <javaTypeResolver>
              <property name="forceBigDecimals" value="false"/>
          </javaTypeResolver>

          <!--配置生成的实体包
              targetPackage：生成的实体包位置，默认存放在src目录下
              targetProject：目标工程名
           -->
          <javaModelGenerator targetPackage="com.bxv8.bean"
                              targetProject="src/main/java" />

          <!-- 实体包对应映射文件位置及名称，默认存放在src目录下 -->
          <sqlMapGenerator targetPackage="mapper" targetProject="src/main/resources"/>

          <!-- 指定dao接口生成的位置，mapper接口 -->
          <javaClientGenerator type="XMLMAPPER"
                               targetPackage="com.bxv8.dao"
                               targetProject="src/main/java">
              <property name="enableSubPackages" value="true" />
          </javaClientGenerator>

          <!-- 配置表
              schema：不用填写
              tableName: 表名
              enableCountByExample、enableSelectByExample、enableDeleteByExample、enableUpdateByExample、selectByExampleQueryId：
              去除自动生成的例子
          -->
          <!-- table指定每个表的生成策略 -->
          <table tableName="t_TVType" domainObjectName="TVType"></table>

      </context>
  </generatorConfiguration>

pom.xml 文件内容:

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 <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.bxv8w</groupId>
   <artifactId>webTest</artifactId>
   <packaging>war</packaging>
   <version>1.0-SNAPSHOT</version>
   <name>webTest Maven Webapp</name>
   <url>http://maven.apache.org</url>
   <dependencies>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <version>3.8.1</version>
       <scope>test</scope>
     </dependency>

     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
       <version>2.2</version>
     </dependency>
 
 
     <!--引入项目依赖的jar包 -->
     <!-- SpringMVC、Spring -->
     <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
 
     <!--引入pageHelper分页插件 -->
     <dependency>
       <groupId>com.github.pagehelper</groupId>
       <artifactId>pagehelper</artifactId>
       <version>5.0.0</version>
     </dependency>
 
     <!-- MBG -->
     <!-- https://mvnrepository.com/artifact/org.mybatis.generator/mybatis-generator-core -->
     <dependency>
       <groupId>org.mybatis.generator</groupId>
       <artifactId>mybatis-generator-core</artifactId>
       <version>1.3.5</version>
     </dependency>
 
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-context</artifactId>
       <version>4.3.7.RELEASE</version>
     </dependency>
 
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-webmvc</artifactId>
       <version>4.3.7.RELEASE</version>
     </dependency>
 
     <!-- 返回json字符串的支持 -->
     <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
       <version>2.8.8</version>
     </dependency>
 
     <!--JSR303数据校验支持；tomcat7及以上的服务器，
     tomcat7以下的服务器：el表达式。额外给服务器的lib包中替换新的标准的el
     -->
     <!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-validator -->
     <dependency>
       <groupId>org.hibernate</groupId>
       <artifactId>hibernate-validator</artifactId>
       <version>5.4.1.Final</version>
     </dependency>
 
 
     <!-- Spring-Jdbc -->
     <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-jdbc</artifactId>
       <version>4.3.7.RELEASE</version>
     </dependency>
 
     <!--Spring-test -->
     <!-- https://mvnrepository.com/artifact/org.springframework/spring-test -->
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-test</artifactId>
       <version>4.3.7.RELEASE</version>
     </dependency>
 
 
     <!-- Spring面向切面编程 -->
     <!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-aspects</artifactId>
       <version>4.3.7.RELEASE</version>
     </dependency>
 
     <!--MyBatis -->
     <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->
     <dependency>
       <groupId>org.mybatis</groupId>
       <artifactId>mybatis</artifactId>
       <version>3.4.2</version>
     </dependency>
     <!-- MyBatis整合Spring的适配包 -->
     <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
     <dependency>
       <groupId>org.mybatis</groupId>
       <artifactId>mybatis-spring</artifactId>
       <version>1.3.1</version>
     </dependency>
 
     <!-- 数据库连接池、驱动 -->
     <!-- https://mvnrepository.com/artifact/c3p0/c3p0 -->
     <dependency>
       <groupId>c3p0</groupId>
       <artifactId>c3p0</artifactId>
       <version>0.9.1</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
     <dependency>
       <groupId>mysql</groupId>
       <artifactId>mysql-connector-java</artifactId>
       <version>5.1.41</version>
     </dependency>
     <!-- （jstl，servlet-api，junit） -->
     <!-- https://mvnrepository.com/artifact/jstl/jstl -->
     <dependency>
       <groupId>jstl</groupId>
       <artifactId>jstl</artifactId>
       <version>1.2</version>
     </dependency>
 
     <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
     <dependency>
       <groupId>javax.servlet</groupId>
       <artifactId>javax.servlet-api</artifactId>
       <version>3.0.1</version>
       <scope>provided</scope>
     </dependency>
 
 
     <!-- junit -->
     <!-- https://mvnrepository.com/artifact/junit/junit -->
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <version>4.12</version>
     </dependency>

   </dependencies>

   <build>
     <finalName>webTest</finalName>

     <plugins>
       <plugin>
         <groupId>org.mybatis.generator</groupId>
         <artifactId>mybatis-generator-maven-plugin</artifactId>
         <version>1.3.5</version>
         <configuration>
           <configurationFile>src/main/resources/generatorConfig.xml</configurationFile>
           <verbose>true</verbose>
           <overwrite>true</overwrite>
         </configuration>
       </plugin>
     </plugins>

   </build>

 </project>

applicationContext.xml

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  <?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/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
   http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
   http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
   http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">

     <context:component-scan base-package="com.bxv8">
         <context:exclude-filter type="annotation"
                                 expression="org.springframework.stereotype.Controller" />
     </context:component-scan>

     <!-- Spring的配置文件，这里主要配置和业务逻辑有关的 -->
     <!--=================== 数据源，事务控制，xxx ================-->
     <context:property-placeholder location="classpath:dbconfig.properties" />
     <bean id="pooledDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
         <property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>
         <property name="driverClass" value="${jdbc.driverClass}"></property>
         <property name="user" value="${jdbc.user}"></property>
         <property name="password" value="${jdbc.password}"></property>
     </bean>

     <!--================== 配置和MyBatis的整合=============== -->
     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
         <!-- 指定mybatis全局配置文件的位置 -->
         <property name="configLocation" value="classpath:mybatis-config.xml"></property>
         <property name="dataSource" ref="pooledDataSource"></property>
         <!-- 指定mybatis，mapper文件的位置 -->
         <property name="mapperLocations" value="classpath:mapper/*.xml"></property>
     </bean>

     <!-- 配置扫描器，将mybatis接口的实现加入到ioc容器中 -->
     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
         <!--扫描所有dao接口的实现，加入到ioc容器中 -->
         <property name="basePackage" value="com.bxv8.dao"></property>
     </bean>

     <!-- 配置一个可以执行批量的sqlSession -->
     <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
         <constructor-arg name="sqlSessionFactory" ref="sqlSessionFactory"></constructor-arg>
         <constructor-arg name="executorType" value="BATCH"></constructor-arg>
     </bean>
     <!--=============================================  -->

     <!-- ===============事务控制的配置 ================-->
     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
         <!--控制住数据源  -->
         <property name="dataSource" ref="pooledDataSource"></property>
     </bean>
     <!--开启基于注解的事务，使用xml配置形式的事务（必要主要的都是使用配置式）  -->
     <aop:config>
         <!-- 切入点表达式 -->
         <aop:pointcut expression="execution(* com.bxv8.service..*(..))" id="txPoint"/>
         <!-- 配置事务增强 -->
         <aop:advisor advice-ref="txAdvice" pointcut-ref="txPoint"/>
     </aop:config>

     <!--配置事务增强，事务如何切入  -->
     <tx:advice id="txAdvice" transaction-manager="transactionManager">
         <tx:attributes>
             <!-- 所有方法都是事务方法 -->
             <tx:method name="*"/>
             <!--以get开始的所有方法  -->
             <tx:method name="get*" read-only="true"/>
         </tx:attributes>
     </tx:advice>
     <!-- Spring配置文件的核心点（数据源、与mybatis的整合，事务控制） -->

 </beans>

mybatis.config.xml

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   <?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>

     <typeAliases>
         <package name="com.bxv8.bean"/>
     </typeAliases>

     <plugins>
         <plugin interceptor="com.github.pagehelper.PageInterceptor">
             <!--分页参数合理化  -->
             <property name="reasonable" value="true"/>
         </plugin>
     </plugins>

 </configuration>

dbconfig.properties

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 properties
 jdbc.jdbcUrl=jdbc:mysql://localhost:3306/db_TV?useSSL=false
 jdbc.driverClass=com.mysql.jdbc.Driver
 jdbc.user=root
 jdbc.password=123

dispatcherServlet-servlet.xml

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  <?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-3.2.xsd
   http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">

     <!--SpringMVC的配置文件，包含网站跳转逻辑的控制，配置  -->
     <context:component-scan base-package="com.bxv8" use-default-filters="false">
         <!--只扫描控制器。  -->
         <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
     </context:component-scan>

     <!--配置视图解析器，方便页面返回  -->
     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
         <property name="prefix" value="/WEB-INF/views/"></property>
         <property name="suffix" value=".jsp"></property>
     </bean>

     <!--两个标准配置  -->
     <!-- 将springmvc不能处理的请求交给tomcat -->
     <mvc:default-servlet-handler/>
     <!-- 能支持springmvc更高级的一些功能，JSR303校验，快捷的ajax...映射动态请求 -->
     <mvc:annotation-driven/>
 </beans>

web.xml

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  <?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_2_5.xsd"
          id="WebApp_ID" version="2.5">

   <!--1、启动Spring的容器  -->
   <!-- needed for ContextLoaderListener -->
   <context-param>
     <param-name>contextConfigLocation</param-name>
     <param-value>classpath:applicationContext.xml</param-value>
   </context-param>

   <!-- Bootstraps the root web application context before servlet initialization -->
   <listener>
     <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
   </listener>

   <!--2、springmvc的前端控制器，拦截所有请求  -->
    <!--The front controller of this Spring Web application, responsible for handling all application requests -->
   <servlet>
     <servlet-name>dispatcherServlet</servlet-name>
     <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
     <load-on-startup>1</load-on-startup>
   </servlet>

   <!-- Map all requests to the DispatcherServlet for handling -->
   <servlet-mapping>
     <servlet-name>dispatcherServlet</servlet-name>
     <url-pattern>/</url-pattern>
   </servlet-mapping>

   <!-- 3、字符编码过滤器，一定要放在所有过滤器之前 -->
   <filter>
     <filter-name>CharacterEncodingFilter</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>
     <init-param>
       <param-name>forceRequestEncoding</param-name>
       <param-value>true</param-value>
     </init-param>
     <init-param>
       <param-name>forceResponseEncoding</param-name>
       <param-value>true</param-value>
     </init-param>
   </filter>
   <filter-mapping>
     <filter-name>CharacterEncodingFilter</filter-name>
     <url-pattern>/*</url-pattern>
   </filter-mapping>

   <!-- 4、使用Rest风格的URI，将页面普通的post请求转为指定的delete或者put请求 -->
   <filter>
     <filter-name>HiddenHttpMethodFilter</filter-name>
     <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
   </filter>
   <filter-mapping>
     <filter-name>HiddenHttpMethodFilter</filter-name>
     <url-pattern>/*</url-pattern>
   </filter-mapping>
   <filter>
     <filter-name>HttpPutFormContentFilter</filter-name>
     <filter-class>org.springframework.web.filter.HttpPutFormContentFilter</filter-class>
   </filter>
   <filter-mapping>
     <filter-name>HttpPutFormContentFilter</filter-name>
     <url-pattern>/*</url-pattern>
   </filter-mapping>

 </web-app>
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Java Spring
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