博主學完了了SpringMVC,只瞭解了一點spring和mybatis
跟着百度找的一堆教程嘗試搭建ssm
首先創建maven項目添加依賴
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>5.0.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.0.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>5.0.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>5.0.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.0.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</artifactId>
<version>5.0.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>5.0.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>5.0.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>5.0.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.0.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.5</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.3.1</version>
</dependency>
<dependency>
<groupId>com.microsoft.sqlserver</groupId>
<artifactId>sqljdbc4</artifactId>
<version>4.0</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.0.7.RELEASE</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.9</version>
</dependency>
<!-- jsp和Tomcat依賴 -->
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
</dependency>
在resources下創建需要的配置文件
spring.xml,算是spring的主配置文件
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
<!-- 配置Service掃描 -->
<context:component-scan
base-package="com.vhukze.service" />
<tx:annotation-driven />
<!-- 定義事務管理器 -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 定義事務策略 propagation="REQUIRED" 表示執行該方法必須添加事務 propagation="SUPPORTS"
表示之前操作添加了事務,該方法也添加事務,否則該操作沒有添加事務 read-only="true" 表示該方法中只允許查詢操作,如果其中存在增刪改操作則會報錯 -->
<tx:advice id="txAdvice"
transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="find*" propagation="SUPPORTS"
read-only="true" />
<tx:method name="*" propagation="SUPPORTS" read-only="true" />
</tx:attributes>
</tx:advice>
<!-- 定義事務切面 pointcut*, advisor*, aspect* expression 切入點表達式 within(包名.類名)
按類匹配,粗粒度 execution(返回值的類型 包名.類名.方法名(參數列表)) 細粒度 -->
<aop:config>
<!-- 切入點 -->
<aop:pointcut
expression="execution(* com.jt.manage.service..*.*(..))" id="pc" />
<!-- 指定事務策略和切入點 -->
<aop:advisor advice-ref="txAdvice" pointcut-ref="pc" />
</aop:config>
</beans>
springMvc.xml,SpringMVC的主配置文件
<?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:p="http://www.springframework.org/schema/p"
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-4.0.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">
<!-- 配置Controller掃描 -->
<context:component-scan
base-package="com.vhukze.controller" />
<!-- 配置註解驅動 -->
<mvc:annotation-driven />
<!-- 對靜態資源放行 -->
<mvc:resources location="/css/" mapping="/css/**" />
<mvc:resources location="/js/" mapping="/js/**" />
<mvc:resources location="/fonts/" mapping="/fonts/**" />
<mvc:resources location="/frame/" mapping="/frame/**" />
<mvc:resources location="/images/" mapping="/images/**" />
<mvc:resources location="/style/" mapping="/style/**" />
<!-- 配置視圖解析器 -->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 前綴 -->
<property name="prefix" value="/WEB-INF/jsp/" />
<!-- 後綴 -->
<property name="suffix" value=".jsp" />
</bean>
</beans>
spring-dao.xml,dao層的配置
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
<!-- 配置 讀取properties文件 jdbc.properties -->
<context:property-placeholder
location="classpath:jdbc.properties" />
<!-- 配置 數據源 -->
<bean id="dataSource"
class="com.alibaba.druid.pool.DruidDataSource">
<property name="driverClassName" value="${jdbc.driver}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
</bean>
<!-- 配置SqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 設置MyBatis核心配置文件 -->
<property name="configLocation"
value="classpath:mybatis-config.xml" />
<!-- 設置數據源 -->
<property name="dataSource" ref="dataSource" />
<!-- 它表示我們的Mapper文件存放的位置,當我們的Mapper文件跟對應的Mapper接口處於同一位置的時候可以不用指定該屬性的值。 -->
<!-- <property name="mapperLocations" value="classpath:/mapper/*.xml"/> -->
<!-- 那麼在Mapper文件裏面就可以直接寫對應的類名 而不用寫全路徑名了 -->
<!-- 跟mybatis中<typeAliases>作用一樣 -->
<property name="typeAliasesPackage" value="com.vhukze.pojo"/>
</bean>
<!-- 配置Mapper掃描 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 設置Mapper掃描包 -->
<property name="basePackage" value="com.vhukze.dao" />
</bean>
</beans>
jdbc.properties,數據源文件
jdbc.driver=com.microsoft.sqlserver.jdbc.SQLServerDriver
jdbc.url=jdbc:sqlserver://localhost:1433;DatabaseName=Test
jdbc.username=sa
jdbc.password=123
mybatis-config.xml,mybatis的配置文件
<?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>
<!-- 別名 -->
<!-- 起別名後,不用在mappring resultType 填寫全類名 -->
<typeAliases>
<package name="com.vhukze.pojo" />
</typeAliases>
<mappers>
<!--這是告訴Mybatis區哪找持久化類的映射文件,對於在src下的文件直接寫文件名, 如果在某包下,則要寫明路徑,如:com/mybatistest/config/User.xml -->
<mapper resource="com/vhukze/dao/TestMapper.xml"></mapper>
</mappers>
</configuration>
web.xml裏面添加
<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:spring*.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springMvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
到這裏就配置完了,新建一個Demo來測試一下,項目結構:
controller層
package com.vhukze.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import com.vhukze.pojo.UserDemo;
import com.vhukze.service.TestService;
/**
* @author zsz
* @version
* @創建時間:2019年9月11日 下午5:13:33
*/
@Controller
@RequestMapping("user")
public class TestController {
@Autowired
private TestService service;
@RequestMapping("fun")
public String fun() {
UserDemo user = new UserDemo();
user.setPassword("vukze");
user.setUsername("vhukze");
System.out.println(service.saveUser(user));
return "index";
}
}
service層實現類
package com.vhukze.service.serviceimpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.vhukze.dao.TestMapper;
import com.vhukze.pojo.UserDemo;
import com.vhukze.service.TestService;
/**
* @author zsz
* @version
* @創建時間:2019年9月12日 上午9:39:54
*/
@Service
public class TestServiceImpl implements TestService {
@Autowired
private TestMapper mapper;
public UserDemo getUserById(Integer id) {
return mapper.getUserByID(id);
}
public Integer saveUser(UserDemo user) {
return mapper.saveUser(user);
}
}
dao層接口
package com.vhukze.dao;
import org.springframework.stereotype.Repository;
import com.vhukze.pojo.UserDemo;
/**
* @author zsz
* @version
* @創建時間:2019年9月12日 上午9:42:42
*/
@Repository
public interface TestMapper {
UserDemo getUserByID(Integer id);
Integer saveUser(UserDemo user);
}
dao層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.vhukze.dao.TestMapper">
<select id="getUserByID" parameterType="Integer"
resultType="UserDemo">
select * from user_demo where id = #{id}
</select>
<insert id="saveUser" parameterType="UserDemo"
useGeneratedKeys="true">
insert into user_demo(username,password) values (#{username},#{password})
</insert>
</mapper>