SSM 环境搭建

环境搭建

创建 web 项目并添加相关依赖.

相关依赖和配置

统一项目构建字符编码 为 UTF-8, JDK 版本号为 1.8:

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
</properties>

相关依赖:

<dependencies>
    <!--        mvc依赖-->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>5.3.8</version>
    </dependency>
    <!--        事务依赖-->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-tx</artifactId>
        <version>5.2.5.RELEASE</version>
    </dependency>
    <!--        jdbc依赖-->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>5.3.8</version>
    </dependency>
    <!--        servlet依赖-->
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>4.0.1</version>
        <scope>provided</scope>
    </dependency>
    <!--        jsp依赖-->
    <dependency>
        <groupId>javax.servlet.jsp</groupId>
        <artifactId>jsp-api</artifactId>
        <version>2.2.1-b03</version>
        <scope>provided</scope>
    </dependency>
    <!--        jstl依赖-->
    <dependency>
        <groupId>javax.servlet.jsp.jstl</groupId>
        <artifactId>jstl-api</artifactId>
        <version>1.2</version>
    </dependency>
    <!--        jstl依赖-->
    <dependency>
        <groupId>taglibs</groupId>
        <artifactId>standard</artifactId>
        <version>1.1.2</version>
    </dependency>
    <!--        lombok-->
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <version>1.18.20</version>
    </dependency>
    <!--        json工具-->
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-core</artifactId>
        <version>2.9.0</version>
    </dependency>
    <!--        json工具-->
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.9.0</version>
    </dependency>
    <!--        sql驱动-->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.47</version>
    </dependency>
    <!--        连接池-->
    <dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>druid</artifactId>
        <version>1.2.6</version>
    </dependency>
    <!--        mybatis-->
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis</artifactId>
        <version>3.5.7</version>
    </dependency>
    <!--        mybatis-->
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis-spring</artifactId>
        <version>2.0.6</version>
    </dependency>
    <!--        日志-->
    <dependency>
        <groupId>log4j</groupId>
        <artifactId>log4j</artifactId>
        <version>1.2.17</version>
    </dependency>
    <!--        分页插件-->
    <dependency>
        <groupId>com.github.pagehelper</groupId>
        <artifactId>pagehelper</artifactId>
        <version>5.2.1</version>
    </dependency>
</dependencies>

指定资源文件路径:

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

项目结构

后端结构:

image-20220924173842159

资源文件:

image-20220924174321864

前端结构:

image-20220924173957267

配置文件

conf/jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/db01?useSSL=true
jdbc.username=root
jdbc.password=root

conf/mybatis.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>
    <!-- sql mapper(sql映射文件)的位置,
        已经在maven中配置 resource 为根目录,
        需要和 dao 接口包结构相同
    -->
    <mappers>
        <!-- 包扫描方式 -->
        <package name="classpath:com.demo.dao"/>
    </mappers>
</configuration>

conf/spring.xml

<?xml version="1.0" encoding="UTF8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns="http://www.springframework.org/schema/beans"
       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">
    <!--spring配置文件： 声明service，dao，工具类等对象-->
    <!--声明service的注解@Service所在的包名位置-->
    <context:component-scan base-package="com.demo.service"/>
    <!--加载jdbc.properties-->
    <context:property-placeholder location="classpath:conf/jdbc.properties"/>
    <!--声明数据源，连接数据库-->
    <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}"/>
    </bean>
    <!--SqlSessionFactoryBean创建SqlSessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:conf/mybatis.xml"/>
        <!--加载分页插件-->
        <property name="plugins">
            <array>
                <bean class="com.github.pagehelper.PageInterceptor">
                    <property name="properties">
                        <value>
                            <!--params=value1-->
                            <!--helperDialect=mysql //指定分页使用mysql数据库-->
                            reasonable=true   <!--合理化分页-->
                        </value>
                    </property>
                </bean>
            </array>
        </property>
    </bean>
    <!--声明mybatis的扫描器，创建dao对象-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <property name="basePackage" value="com.demo.dao"/>
    </bean>
    <!--事务配置：注解的配置， aspectj的配置-->
</beans>

conf/springmvc.xml

<?xml version="1.0" encoding="UTF8"?>
<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="http://www.springframework.org/schema/beans"
       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">
    <!--springmvc配置文件， 声明controller和其它web相关的对象-->
    <context:component-scan base-package="com.demo.controller"/>
    <!--视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
    <!--静态资源过滤-->
    <mvc:resources mapping="/static/**" location="/static/"/>
    <!--提供 Controller 请求转发，json 自动转换等功能-->
    <mvc:annotation-driven/>
</beans>

log4j.properties

::: tip

log4j 配置文件必须放在 resource 根目录下

:::

log4j.rootLogger=DEBUG,console,file
#控制台输出的相关设置
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.Target=System.out
log4j.appender.console.Threshold=DEBUG
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=【%c】-%m%n
#文件输出的相关设置
log4j.appender.file=org.apache.log4j.RollingFileAppender
log4j.appender.file.File=./log/mybatisLog.log
log4j.appender.file.MaxFileSize=10mb
log4j.appender.file.Threshold=DEBUG
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=【%p】【%d{yy-MM-dd}】【%c】%m%n
#日志输出级别
log4j.logger.org.mybatis=DEBUG
log4j.logger.java.sql=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.ResultSet=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG
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