spring+springmvc+mybatis简单整合
第一次发博客，看看就好。
spring + springmvc + mybatis + mysql + maven
首先配置pom.xml,下载jar包
<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.zz.testweb2</groupId> <artifactId>ssm</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>ssm Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>utf-8</project.build.sourceEncoding> </properties> <!-- spring官方提供的依赖管理器，便于统一管理 --> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-framework-bom</artifactId> <version>4.3.7.RELEASE</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> <dependencies> <!-- 引入web工程所需的依赖 --> <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> <!-- 引入测试所需的依赖，使用spring4.3.x版本整合需要引入junit4.12及以上 --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> </dependency> <!-- 整合SpringMVC会自动引入其他所需的spring核心依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> </dependency> <!-- 添加mybatis依赖 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.3.0</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.6</version> </dependency> <!-- 添加mybatis与sping整合依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.3</version> </dependency> <!-- 数据库依赖，使用oracle需要手动将oracle安装到本地maven仓库(版权问题) --> <dependency> <groupId>com.oracle</groupId> <artifactId>ojdbc14</artifactId> <version>10.2.0.4.0</version> </dependency> <!-- dbcp数据库连接池依赖 --> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.4</version> </dependency> <!-- logback日志依赖 --> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>1.1.7</version> </dependency> <!-- 添加JSTL标签库 --> <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> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.8.8</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.8.8</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>2.8.8</version> </dependency> </dependencies> <build> <finalName>ssm</finalName> <plugins> <plugin> <groupId>org.eclipse.jetty</groupId> <artifactId>jetty-maven-plugin</artifactId> <version>9.2.8.v20150217</version> <configuration> <httpConnector> <port>8090</port> </httpConnector> <stopKey>shutdown</stopKey> <stopPort>9966</stopPort> </configuration> </plugin> </plugins> </build> </project>
看项目结构目录
1.配置applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" 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:p="http://www.springframework.org/schema/p" xmlns:util="http://www.springframework.org/schema/util" xmlns:jdbc="http://www.springframework.org/schema/jdbc" xmlns:cache="http://www.springframework.org/schema/cache" xsi:schemaLocation=" http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache-3.1.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd"> <!-- 注解扫描 --> <context:component-scan base-package="com.test.*"></context:component-scan> <!-- 加载db.properties文件内容 --> <context:property-placeholder location="classpath:db.properties" /> <!-- 配置数据源，dbpc --> <bean id="dataSourse" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName" value="${jdbc.driver}"></property> <property name="url" value="${jdbc.url}"></property> <property name="username" value="${jdbc.username}"></property> <property name="password" value="${jdbc.password}"></property> </bean> <!-- sqlSessionFactory --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <!-- 数据库连接池 --> <property name="dataSource" ref="dataSourse"></property> <!-- 加载mybtis全局配置文件 --> <property name="configLocation" value="classpath:mybaties-config.xml"></property> </bean> <!-- mapper扫描器 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.test.mapper"></property> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property> </bean> <!-- 事务管理 : DataSourceTransactionManager dataSource:引用上面定义的数据源 --> <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSourse"></property> </bean> <!-- 使用声明式事务 transaction-manager：引用上面定义的事务管理器 --> <tx:annotation-driven transaction-manager="txManager" /> <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"> <property name="messageConverters"> <list> <ref bean="mappingJackson2HttpMessageConverter" /> </list> </property> </bean> <bean id="mappingJackson2HttpMessageConverter" class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"> <property name="supportedMediaTypes"> <list> <value>text/html;charset=UTF-8</value> <value>text/json;charset=UTF-8</value> <value>application/json;charset=UTF-8</value> </list> </property> </bean> </beans>
2.配置web.xml
<?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_3_0.xsd" id="WebApp_ID" version="3.0"> <display-name>Test3-web</display-name> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> <welcome-file>index.jsp</welcome-file> <welcome-file>default.html</welcome-file> <welcome-file>default.htm</welcome-file> <welcome-file>default.jsp</welcome-file> </welcome-file-list> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </context-param> <servlet> <servlet-name>Dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring-mvc.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>Dispatcher</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <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> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/</url-pattern> </filter-mapping> </web-app>
3.创建controller,service,model,dao各层文件
3.1 model
package com.test.model; import java.util.List; import org.springframework.stereotype.Component; /** * * @author zz * */ @Component public class Student { private int sid; private String sname; private int age; public Student() { super(); } public Student(int sid, String sname, int age) { super(); this.sid = sid; this.sname = sname; this.age = age; } public int getSid() { return sid; } public void setSid(int sid) { this.sid = sid; } public String getSname() { return sname; } public void setSname(String sname) { this.sname = sname; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } @Override public String toString() { return "Student [sid=" + sid + ", sname=" + sname + ", age=" + age + "]"; } }
3.2 dao
package com.test.mapper;
import com.test.model.Student;
/**
*
* @author zz
*
*/
public interface StudentMapper {
/**
* select Student ByID
* @param sid
* @return student
* 根据sid查询学生信息
*/
Student selectStudentByID(int sid);
}
3.3 Mapper.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.test.mapper.StudentMapper">
<resultMap type="Student" id="studentBean">
<id column="id" property="sid" />
<result column="name" property="sname" />
<result column="age" property="age" />
</resultMap>
<select id="selectStudentByID" resultMap="studentBean">
select *
from
Student s where s.id=#{sid}
</select>
</mapper>
3.4 Service
package com.test.service; import java.util.List; import com.test.model.Student; /** * * @author zz * @data 2018/1/2 */ public interface ScService { /** * select Student ByID * @param sid * @return student * 根据sid查询学生信息 */ Student selectStudentByID(int sid); }
package com.test.service; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import com.test.mapper.StudentMapper; import com.test.model.Student; /** * * @author zz * */ @Service @Transactional(rollbackFor=Exception.class) public class ScServiceImpl implements ScService{ @Autowired StudentMapper studentMapper; @Override public Student selectStudentByID(int sid) { // TODO Auto-generated method stub return studentMapper.selectStudentByID(sid); } }
3.5 controller
package com.test.controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import com.test.model.Student; import com.test.service.ScService; /** * * @author zz * */ @Controller @RequestMapping("/student") public class StudentController { @Autowired ScService scService; @RequestMapping("/selectstudentbyid") public String selectstudentbyid(Model model,int id) { System.out.println(id); Student student=new Student(); student=scService.selectStudentByID(id); model.addAttribute("student", student); System.out.println(student); return "showstudent"; } }
4.配置spring-mvc.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:util="http://www.springframework.org/schema/util" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation=" http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.2.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.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-3.2.xsd"> <mvc:annotation-driven /> <!-- 把标记了@Controller注解的类转换为bean --> <context:component-scan base-package="com.test.controller" /> <!-- 对模型视图名称的解析，即在模型视图名称添加前后缀 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:prefix="/WEB-INF/views/" p:suffix=".jsp" /> </beans>
5.配置db.properties
jdbc.driver = com.mysql.jdbc.Driver jdbc.url = jdbc:mysql://localhost:3306/zz?characterEncoding=utf-8 jdbc.username =root jdbc.password =root
6.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> <!-- 全局setting配置 ，根据需要再添加--> <!-- 配置别名 --> <typeAliases> <typeAlias type="com.test.model.Student" alias="Student"/> </typeAliases> <!-- 配置mapper 由于使用spring和mybatis的整合包进行整合，这了无需配置 但必须遵循：mapper.xml和mapper.xml文件同名且在同一目录--> <mappers> <mapper resource="com/test/model/StudentMapper.xml"/> </mappers> </configuration>
最后，启动tomcat,在浏览器输入 http://localhost:8080/ssm/student/selectstudentbyid?id=1
看控制台，已经输出sid为1 的学生信息。
