使用IDEA搭建SSM框架
使用IDEA搭建SSM(spring+springmvc+mybatis)框架
新建Maven项目,选择从原型创建,选择org.apache.maven.archetypes:maven-archetype-webapp
填写项目名,坐标等,最后点击完成,等待一段时间项目创建完成。
创建完成后引入jar包:pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.ice</groupId>
<artifactId>sport-shop</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<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>
<!--spring 版本-->
<spring.version>5.2.5.RELEASE</spring.version>
<!--mybatis 版本-->
<mybatis.version>3.5.4</mybatis.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!--spring JAR包-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</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-oxm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${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-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- spring mybatis整合包 用于配置连接工厂 SQL session factory-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.2</version>
</dependency>
<!--mysql驱动-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.49</version>
</dependency>
<!--数据库连接池-->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.5</version>
</dependency>
<!-- 日志 -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.30</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.30</version>
</dependency>
<!--j2ee相关包 servlet jsp jstl-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<!--分页 -->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.2.0</version>
</dependency>
</dependencies>
</project>
项目结构
编写配置:web.xml
<?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" >
<!--放在最顶上spring框架
ContextLoaderListener监听器的作用是启动Web容器是,自动配置applicationcontext的配置信息。
因为它实现了ServletContextLisener这个接口,在web.xml配置这个监听器,启动容器时,就会默认执行它实现的方法
-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- springMVC的控制中心-->
<servlet>
<servlet-name>springMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springMVC/springMVC-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>springMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 防止乱码 requestsSetChrarater-->
<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>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
编写spring配置文件applicationContext.xml:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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/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
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 启动注解 springIOC 除了controller contronllerAdvice 其他的都注入-->
<context:component-scan base-package="com.ice">
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 1、创建数据源对象-->
<context:property-placeholder location="classpath:properties/jdbc.properties"/>
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driver}"></property>
<property name="jdbcUrl" value="${jdbc.url}"></property>
<property name="user" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
</bean>
<!-- 2、配置SqlSessionFactory对象, 代表数据库 数据库连接池-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 注入数据库连接池-->
<property name="dataSource" ref="dataSource"/>
<!-- 配置MyBatis全局配置文件:mybatis-config.xml-->
<property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/>
<!-- 扫描sql配置文件:mapper需要的xml文件-->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
</bean>
<!-- 配置扫描Dao接口包,根据dao接口找到Mapper文件,用动态代理模式生成Dao的实现对象,注入到spring容器中-->
<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.ice.dao"/>
</bean>
<!--3、配置事务管理器-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 开启事务注解-->
<tx:annotation-driven transaction-manager="transactionManager"></tx:annotation-driven>
</beans>
编写springMVC配置springMVC-servlet.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/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 配置注解驱动 可以将request参数与绑定到controller参数上-->
<mvc:annotation-driven/>
<!-- 对模型视图名称的解析,即在模型视图名称添加前缀(如果最后一个还是表示文件夹,则最后的斜杠不要漏了)使用JSP-->
<!-- 默认的视图解析器,在上边的解析错误时使用(默认使用html)-->
<bean id="defaultViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
<property name="prefix" value="/WEB-INF/views/"/>
<property name="suffix" value=".jsp"/>
<property name="exposeContextBeansAsAttributes" value="true"/>
</bean>
<!-- 自动扫描装配 只扫描controller controllerAdvice-->
<context:component-scan base-package="com.ice" use-default-filters="false">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 1、静态资源会调用默认的servlet处理,不会显示404-->
<mvc:default-servlet-handler/>
</beans>
编写mybatis配置文件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>
<settings>
<setting name="mapUnderscoreToCamelCase" value="true"/>
<!-- 打印查询语句 -->
<setting name="logImpl" value="LOG4J" />
<!-- 控制全局缓存(二级缓存)-->
<!-- <setting name="cacheEnabled" value="true"/>-->
<!-- 延迟加载的全局开关。当开启时,所有关联对象都会延迟加载。默认 false -->
<!-- <setting name="lazyLoadingEnabled" value="true"/>-->
<!-- 当开启时,任何方法的调用都会加载该对象的所有属性。默认 false,可通过select标签的 fetchType来覆盖-->
<!-- <setting name="aggressiveLazyLoading" value="false"/>-->
<!-- Mybatis 创建具有延迟加载能力的对象所用到的代理工具,默认JAVASSIST -->
<!--<setting name="proxyFactory" value="CGLIB" />-->
<!-- STATEMENT级别的缓存,使一级缓存,只针对当前执行的这一statement有效 -->
<!--
<setting name="localCacheScope" value="STATEMENT"/>
-->
<!-- <setting name="localCacheScope" value="SESSION"/>-->
</settings>
<typeAliases>
<!-- <typeAlias alias="blog" type="com.wuzz.domain.Blog" />-->
<package name="com.ice.entity"/>
</typeAliases>
<!-- <typeHandlers>
<typeHandler handler="com.wuzz.type.MyTypeHandler"></typeHandler>
</typeHandlers>-->
<!-- 对象工厂 -->
<!-- <objectFactory type="com.wuzz.objectfactory.GPObjectFactory">
<property name="wuzz" value="666"/>
</objectFactory>-->
<plugins>
<!--分页插件-->
<plugin interceptor="com.github.pagehelper.PageInterceptor">
<!--设置数据库类型-->
<property name="helperDialect" value="mysql" />
</plugin>
</plugins>
<!-- <environments default="development">-->
<!-- <environment id="development">-->
<!-- <transactionManager type="JDBC"/><!– 单独使用时配置成MANAGED没有事务 –>-->
<!-- <dataSource type="POOLED">-->
<!-- <property name="driver" value="${jdbc.driver}"/>-->
<!-- <property name="url" value="${jdbc.url}"/>-->
<!-- <property name="username" value="${jdbc.username}"/>-->
<!-- <property name="password" value="${jdbc.password}"/>-->
<!-- </dataSource>-->
<!-- </environment>-->
<!-- </environments>-->
<!-- <mappers>-->
<!-- <mapper resource="BlogMapper.xml"/>-->
<!-- <mapper resource="BlogMapperExt.xml"/>-->
<!-- </mappers>-->
</configuration>
数据库jdbc.properties:
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/blog?useUnicode=true&characterEncoding=utf-8
jdbc.username=root
jdbc.password=123456
日志配置:
#定义输出级别
log4j.rootLogger=INFO,Console,File
#定义日志输出目的地为控制台
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
log4j.appender.console.Encoding=UTF-8
#可以灵活指定日志输出格式
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c]-%m%n
log4j.logger.java.sql.Connection=debug
log4j.logger.java.sql.Statement=debug
log4j.logger.java.sql.PrepareStatement=debug
#显示sql日志的配置
log4j.logger.com.ice.dao=debug
编写实体类User进行测试
User.java
public class User {
private Long id;
private String nickname;
private String username;
private String password;
private String email;
private String avatar;
private Integer type;
private Date createTime;
private Date updateTime;
getter...
setter
}
Usermapper.xml
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ice.dao.UserDao">
<select id="selectUser" resultType="user" parameterType="int">
select * from t_user where id=#{id}
</select>
</mapper>
UserController.java
@Controller
public class UserController {
@Autowired
UserService userService;
@RequestMapping("/user")
@ResponseBody
public User getuser(){
System.out.println("hello");
return userService.selectUser(1);
}
}
浏览器输入localhost:8088/sport-shop/user
框架搭建成功