SpringMVC-06-ssmbuild7.整合ssm

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概述

7.整合ssm

1.整合mybatis

1.1 创建一个数据库表

1.2 导入项目依赖

<dependencies>
    <!--Junit-->
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.12</version>
    </dependency>
    <!--数据库驱动-->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.47</version>
    </dependency>
    <!-- 数据库连接池 -->
    <dependency>
        <groupId>com.mchange</groupId>
        <artifactId>c3p0</artifactId>
        <version>0.9.5.2</version>
    </dependency>

    <!--Servlet - JSP -->
    <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>

    <!--Mybatis-->
    <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>

    <!--Spring-->
    <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>
</dependencies>

3.静态资源导出问题

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

1.3 连接数据库

在这里插入图片描述

1.4 建立包结构和搭建基本框架

在这里插入图片描述

1.4.1 配置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>
     <typeAliases>
        <package name="com.g.pojo"/>
    </typeAliases>
</configuration>

1.4.2 配置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">

</beans>

1.4.3 数据库配置文件

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=222222222222222222222

1.5 编写实体类

@Data
@AllArgsConstructor
@NoArgsConstructor
public class Books {
    private int bookID;
    private String bookName;
    private int bookCounts;
    private String detail;
}

1.6 编写一个接口定义功能

public interface BookMapper {
    int addBook(Book book);
    int deleteBookById(int id);
    int updateBook(Book book);
    Book queryBookById(int id);
    List<Book> queryBooks(Book book);
}

1.7 编写接口对应的 Mapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper>
    <insert id="addBook" parameterType="Books">
        INSERT INTO ssmbuild.books (bookName, bookCounts, detail)
        VALUES (#{bookName},#{bookCounts},#{detail});
    </insert>
    <delete id="deleteBookById" parameterType="int">
        DELETE FROM ssmbuild.books WHERE bookID = #{bookId};
    </delete>
    <update id="updateBook" parameterType="Books">
        UPDATE ssmbuild.books
        SET bookName = #{bookName}, bookCounts = #{bookCounts},detail = #{detail}
        WHERE bookID = #{bookID};
    </update>
    <select id="queryBookById" resultType="Books">
        SELECT * FROM ssmbuild.books
        WHERE bookID = #{bookId}
    </select>
    <select id="queryBooks" resultType="Books">
        SELECT * FROM ssmbuild.books
    </select>

</mapper>

1.8 绑定配置文件

<mappers>
    <mapper class="com.g.mapper.BookMapper"/>
</mappers>

1.9 编写业务层文件

public interface BookService {
    int addBook(Book book);
    int deleteBookById(int id);
    int updateBook(Book book);
    Book queryBookById(int id);
    List<Book> queryBooks(Book book);
}

1.10 编写业务层实现类

public class BookServiceImpl implements BookService {
    private BookMapper bookMapper;

    public void setBookMapper(BookMapper bookMapper) {
        this.bookMapper = bookMapper;
    }

    public int addBook(Book book) {
        return bookMapper.addBook(book);
    }

    public int deleteBookById(int id) {
        return bookMapper.deleteBookById(id);
    }

    public int updateBook(Book book) {
        return bookMapper.updateBook(book);
    }

    public Book queryBookById(int id) {
        return bookMapper.queryBookById(id);
    }

    public List<Book> queryBooks(Book book) {
        return bookMapper.queryBooks(book);
    }
}

2.整合spring

2.1 编写spring整合mybatis配置文件spring-mapper.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
       https://www.springframework.org/schema/context/spring-context.xsd">

    <!-- 配置整合mybatis -->
    <!-- 1.关联数据库文件 -->
    <context:property-placeholder location="classpath:database.properties"/>

    <!-- 2.数据库连接池 -->
    <!--数据库连接池
        dbcp 半自动化操作 不能自动连接
        c3p0 自动化操作（自动的加载配置文件 并且设置到对象里面）
    -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <!-- 配置连接池属性 -->
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>

        <!-- c3p0连接池的私有属性 -->
        <property name="maxPoolSize" value="30"/>
        <property name="minPoolSize" value="10"/>
        <!-- 关闭连接后不自动commit -->
        <property name="autoCommitOnClose" value="false"/>
        <!-- 获取连接超时时间 -->
        <property name="checkoutTimeout" value="10000"/>
        <!-- 当获取连接失败重试次数 -->
        <property name="acquireRetryAttempts" value="2"/>
    </bean>

    <!-- 3.配置SqlSessionFactory对象 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>

    <!-- 4.配置扫描Dao接口包，动态实现Dao接口注入到spring容器中 -->
    <!--解释 ：https://www.cnblogs.com/jpfss/p/7799806.html-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 注入sqlSessionFactory -->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <!-- 给出需要扫描Dao接口包 -->
        <property name="basePackage" value="com.g.mapper"/>
    </bean>

</beans>

2.2 spring整合service层

<?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">

    <!-- 扫描service相关的bean -->
    <context:component-scan base-package="com.g.service" />

    <!--BookServiceImpl注入到IOC容器中-->
    <bean id="BookServiceImpl" class="com.g.service.BookServiceImpl">
        <property name="bookMapper" ref="bookMapper"/>
    </bean>

    <!-- 配置事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
    </bean>

</beans>

3.整合springMVC

3.1 spring-mvx.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
   https://www.springframework.org/schema/mvc/spring-mvc.xsd">

   <!-- 配置SpringMVC -->
   <!-- 1.开启SpringMVC注解驱动 -->
   <mvc:annotation-driven />
   <!-- 2.静态资源默认servlet配置-->
   <mvc:default-servlet-handler/>

   <!-- 3.配置jsp 显示ViewResolver视图解析器 -->
   <beanclass="org.springframework.web.servlet.view.InternalResourceViewResolver">
       <property name="viewClass"value="org.springframework.web.servlet.view.JstlView" />
       <property name="prefix" value="/WEB-INF/jsp/" />
       <property name="suffix" value=".jsp" />
   </bean>

   <!-- 4.扫描web相关的bean -->
   <context:component-scan base-package="com.g.controller" />

</beans>

3.2 Spring配置整合文件，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>

最后

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本文分类：springMVC
浏览次数：46 次浏览
发布日期：2023-11-02 17:51:04
本文链接：https://www.kaopuke.com/article/k-p-k_13_u_23_o_18_f4_14_jkz.html

SpringMVC-06-ssmbuild7.整合ssm

概述

7.整合ssm

1.整合mybatis

1.1 创建一个数据库表

1.2 导入项目依赖

1.3 连接数据库

1.4 建立包结构和搭建基本框架

1.4.1 配置mybatis-config.xml

1.4.2 配置applicationContext.xml

1.4.3 数据库配置文件

1.5 编写实体类

1.6 编写一个接口定义功能

1.7 编写接口对应的 Mapper.xml

1.8 绑定配置文件

1.9 编写业务层文件

1.10 编写业务层实现类

2.整合spring

2.1 编写spring整合mybatis配置文件spring-mapper.xml

2.2 spring整合service层

3.整合springMVC

3.1 spring-mvx.xml

3.2 Spring配置整合文件，applicationContext.xml

最后

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SpringMVC-06-ssmbuild7.整合ssm

概述

7.整合ssm

1.整合mybatis

1.1 创建一个数据库表

1.2 导入项目依赖

1.3 连接数据库

1.4 建立包结构和搭建基本框架

1.4.1 配置mybatis-config.xml

1.4.2 配置applicationContext.xml

1.4.3 数据库配置文件

1.5 编写实体类

1.6 编写一个接口定义功能

1.7 编写接口对应的 Mapper.xml

1.8 绑定配置文件

1.9 编写业务层文件

1.10 编写业务层实现类

2.整合spring

2.1 编写spring整合mybatis配置文件spring-mapper.xml

2.2 spring整合service层

3.整合springMVC

3.1 spring-mvx.xml

3.2 Spring配置整合文件，applicationContext.xml

最后

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