SSM基本搭建 - lvym777

不以/开始的相对路径，找资源是以当前资源的路径为基准
以/开始的相对路径，找资源是以服务器的路径为基准（http://localhost:3306)







<packaging>war</packaging>
<dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.18</version>
        </dependency>
        <dependency>
            <groupId>com.mchange</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.5.2</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.2</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.5.2</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>2.0.2</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>5.1.9.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>5.1.9.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.12</version>
        </dependency>
    </dependencies>

         <build>
             <resources>
                 <resource>
                  <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                     <include>**/*.xml</include>
                </includes>
                     <filtering>false</filtering>
                 </resource>
                 <resource>
                     <directory>src/main/resource</directory>
                     <includes>
                         <include>**/*.properties</include>
                         <include>**/*.xml</include>
                     </includes>
                     <filtering>false</filtering>
                 </resource>
             </resources>
         </build>

<servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:applicationContext.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>


    <!-- 字符编码过滤器 -->
    <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>forceResposeEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <!-- 使用rest风格的URI -->
    <!--<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>-->

    <session-config>
        <session-timeout>15</session-timeout>
    </session-config>

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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

   <import resource="spring-dao.xml"/>
    <import resource="spring-service.xml"/>
    <import resource="spring-mvc.xml"/>

</beans>

spring-dao.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:content="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 https://www.springframework.org/schema/context/spring-context.xsd">

    <content:property-placeholder location="classpath:c3p0.properties"/>

    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${c3p0.driver}"></property>
        <property name="jdbcUrl" value="${c3p0.url}"></property>
        <property name="user" value="${c3p0.username}"></property>
        <property name="password" value="${c3p0.password}"></property>
    </bean>
    <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <property name="configLocation" value="classpath:mybatis-config.xml"></property>
        <!-- 指定mybatis mapper文件的位置 -->
        <property name="mapperLocations" value="classpath:mapper/*.xml"></property>
    </bean>
    <!--配置dao所在的包-->
    <bean id="mapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="sqlSessionFactoryBeanName" value="sessionFactory"></property>
        <property name="basePackage" value="com.lvym.ssm.dao"/>
    </bean>

</beans>

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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
http://www.springframework.org/schema/beans/spring-beans.xsd 
http://www.springframework.org/schema/context 
https://www.springframework.org/schema/context/spring-context.xsd 
http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
   <!--扫描包-->
    <context:component-scan base-package="com.lvym.ssm.controller"/>
     <!--//<url-pattern/>的值并不是说写为/后，静态资源就无法访问了,解决-->
    <mvc:default-servlet-handler/>
    <mvc:annotation-driven/>

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/views/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

spring-service.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">

<!-- mybatis 的 主配置文件-->
<configuration>



    <typeAliases>
        <package name="com.lvym.ssm.entity"/>
    </typeAliases>


    <!--<environments default="mysql">-->
        <!--&lt;!&ndash;配置mysql&ndash;&gt;-->
        <!--<environment id="mysql">-->
            <!--&lt;!&ndash;配置事务类型&ndash;&gt;-->
            <!--<transactionManager type="JDBC"/>-->
            <!--&lt;!&ndash;配置数据源/连接池&ndash;&gt;-->
            <!--<dataSource type="POOLED">-->
                <!--&lt;!&ndash;配置连接数据库的基本信息&ndash;&gt;-->
                <!--<property name="driver" value="com.mysql.jdbc.Driver"/>-->
                <!--<property name="url" value="jdbc:mysql://xx.xx.xx:3306/learn?useSSL=false"/>-->
                <!--<property name="username" value="learn"/>-->
                <!--<property name="password" value="123456"/>-->
            <!--</dataSource>-->
        <!--</environment>-->
    <!--</environments>-->

    <!--指定映射配置文件的位置，映射配置文件指的是每个dao独立的配置文件-->
    <mappers>
        <!--使用xml进行查询-->
      <!--   <mapper resource="mapper/BooksMapper.xml"/> -->
        <!--使用注解-->
     <!--    <mapper class="club.twzw.dao.UserDao"/> -->
        <!--扫描mapper下所有注解-->
      <!--   <package name="mapper/"/> -->
    </mappers>

</configuration>

mybatis-config.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:content="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 
       https://www.springframework.org/schema/context/spring-context.xsd">

    <content:component-scan base-package="com.lvym.ssm.server"/>

    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

</beans>

c3p0.properties

c3p0.driver=com.mysql.cj.jdbc.Driver
c3p0.url=jdbc:mysql://192.168.146.140:3306/mydb?useSSL=true&useUnicode=true&characterEncoding=utf8&serverTimezone=CTT
c3p0.username=root
c3p0.password=123456

-----------------------------------------------------------------------------------------------------------------------------------------------------

<packaging>war</packaging>
  
  <dependencies>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-webmvc</artifactId>
    <version>4.3.7.RELEASE</version>
</dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-jdbc</artifactId>
    <version>4.3.7.RELEASE</version>
</dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-aspects</artifactId>
    <version>4.3.7.RELEASE</version>
</dependency>
  <dependency>
    <groupId>org.mybatis</groupId>
    <artifactId>mybatis</artifactId>
    <version>3.4.2</version>
</dependency>
<dependency>
    <groupId>org.mybatis.generator</groupId>
    <artifactId>mybatis-generator-core</artifactId>
    <version>1.3.5</version>
</dependency>


  <dependency>
    <groupId>org.mybatis</groupId>
    <artifactId>mybatis-spring</artifactId>
    <version>1.3.1</version>
</dependency>
  <dependency>
    <groupId>c3p0</groupId>
    <artifactId>c3p0</artifactId>
    <version>0.9.1.2</version>
</dependency>
  <dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>5.1.41</version>
</dependency>
  <dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>jstl</artifactId>
    <version>1.2</version>
</dependency>
  <dependency>
    <groupId>junit</groupId>
    <artifactId>junit</artifactId>
    <version>4.12</version>
    <scope>test</scope>
</dependency>
  <dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>javax.servlet-api</artifactId>
    <version>3.1.0</version>
    <scope>provided</scope>
</dependency>
  
  <dependency>
    <groupId>com.github.pagehelper</groupId>
    <artifactId>pagehelper</artifactId>
    <version>5.1.2</version>
</dependency>
  <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-test</artifactId>
    <version>4.3.7.RELEASE</version>
    <scope>test</scope>
</dependency>
  </dependencies>

web.xml

<!-- 1.spring -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!-- 2.springmvc -->
    <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!-- 3.字符编码,放在所有过滤器之前-->
    <filter>
        <filter-name>encodingFilter</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>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <!--4. 支持 REST 风格的过滤器：可以将 POST 请求转换为 PUT 或 DELETE 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>

/WEB-INF/dispatcherServlet-servlet.xml 默认

<context:component-scan base-package="com.lvym" use-default-filters="false">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>

<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/views/"></property>
        <property name="suffix" value=".jsp"></property>
        </bean>
        <!-- 将springmvc不能处理的请求交给tomcat -->
        <mvc:default-servlet-handler/>
    <mvc:annotation-driven/>    
</beans>

applicationContext.xml

 <context:component-scan base-package="com.lvym">
   <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
   </context:component-scan>
 <context:property-placeholder location="classpath:jdbc.properties"/>
 
    <bean id="pooledDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
    <property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>
    <property name="user" value="${jdbc.user}"></property>
    <property name="password" value="${jdbc.password}"></property>
    <property name="driverClass" value="${jdbc.driverClass}"></property>
    </bean>
    
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    <property name="configLocation" value="classpath:mybatis-config.xml"></property>
    <property name="dataSource" ref="pooledDataSource"></property>
    <property name="mapperLocations" value="classpath:mapper/*.xml"></property>
    </bean>
    
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    <property name="basePackage" value="com.lvym.crud.dao"></property>
    </bean>
    
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="pooledDataSource"></property>
    </bean>
    
    <aop:config>
    <aop:pointcut expression="execution(* com.lvym.crud.service..*(..))" id="txpoint"/>
   <!-- 配置事务增强 -->
    <aop:advisor advice-ref="txAdvice" pointcut-ref="txpoint"/>
    </aop:config>
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
    <tx:attributes>
    <!-- 所有方法都是事务方法 -->
    <tx:method name="*"/>
  <!--   以get开始的方法 -->
    <tx:method name="get*" read-only="true"/>
    </tx:attributes>
    </tx:advice>

jdbc.properties

jdbc.user=root
jdbc.password=123
jdbc.jdbcUrl=jdbc:mysql://localhost:3306/hello_mybatis
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.acquireIncrement=15
jdbc.initialPoolSize=20
jdbc.minPoolSize=15
jdbc.maxPoolSize=30

mybatis-config.xml

 <settings>
  <!-- 开启延迟加载 -->
<setting name="lazyLoadingEnabled" value="true"/>
<!-- 设置加载的数据是按需还是全部 -->
<setting name="aggressiveLazyLoading" value="false"/>

<setting name="mapUnderscoreToCamelCase" value="true"/>
<setting name="jdbcTypeForNull" value="NULL"/>
  
  </settings>
  <typeAliases>
<!-- 默认类名首字母小写 -->
<!-- <typeAlias type="com.ns.entiy.Employee" alias="emp" /> -->
<!-- 类很多的情况下，可以批量设置别名这个包下的每一个类创建一个默认的别名，就是简
单类名小写 假如包下还有子包与父包类名相同可以用注解@alias -->
<package name="com.lvym.crud.bean"/>
</typeAliases>

<plugins>
<plugin interceptor="com.github.pagehelper.PageInterceptor"></plugin>
</plugins>

--------------------------------逆向---------------------------------------------------------------------------------

mbg.xml

<?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>
    <context id="DB2Tables" targetRuntime="MyBatis3">
   <!--  去除注释 -->
    <commentGenerator>
  <property name="suppressAllComments" value="true" />
</commentGenerator>
    <jdbcConnection driverClass="com.mysql.jdbc.Driver"
        connectionURL="jdbc:mysql://localhost:3306/hello_mybatis"
        userId="root"
        password="123">
    </jdbcConnection>

    <javaTypeResolver >
      <property name="forceBigDecimals" value="false" />
    </javaTypeResolver>
<!-- javaBean的生成策略-->
    <javaModelGenerator targetPackage="com.lvym.crud.bean" targetProject=".\src\main\java">
      <property name="enableSubPackages" value="true" />
      <property name="trimStrings" value="true" />
    </javaModelGenerator>
<!-- SQL映射文件的生成策略 -->
    <sqlMapGenerator targetPackage="mapper"  targetProject=".\src\main\resources">
      <property name="enableSubPackages" value="true" />
    </sqlMapGenerator>
<!-- Mapper接口的生成策略 -->
    <javaClientGenerator type="XMLMAPPER" targetPackage="com.lvym.crud.dao"  targetProject=".\src\main\java">
      <property name="enableSubPackages" value="true" />
    </javaClientGenerator>

    <table tableName="tbl_employee" domainObjectName="Employee" >
     
    </table>

<table tableName="tbl_department" domainObjectName="Department"></table>
  </context>
</generatorConfiguration>

test

package com.lvym.crud.test;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.mybatis.generator.api.MyBatisGenerator;
import org.mybatis.generator.config.Configuration;
import org.mybatis.generator.config.xml.ConfigurationParser;
import org.mybatis.generator.internal.DefaultShellCallback;

public class MBGtest {
    public static void main(String[] args) throws Exception {
        List<String> warnings = new ArrayList<String>();
           boolean overwrite = true;
           File configFile = new File("mbg.xml");
           ConfigurationParser cp = new ConfigurationParser(warnings);
           Configuration config = cp.parseConfiguration(configFile);
           DefaultShellCallback callback = new DefaultShellCallback(overwrite);
           MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
           myBatisGenerator.generate(null);
    }

}

posted on 2020-07-10 15:48 lvym777 阅读(147) 评论(0) 收藏举报

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