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增加README.md 项目说明

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luoxiang
2019-01-07 23:21:42 +08:00
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spring/spring-mybatis/README.md
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@ -1,135 +1,48 @@
# spring 整合 mybatis（xml配置方式）
1、创建标准web maven工程，导入依赖
## 一、说明
#### 1.1 项目结构
![spring-mybatis](D:\spring-samples-for-all\pictures\spring-mybatis.png)
#### 1.2 项目依赖
除了spring相关依赖外，还需要导入数据库驱动和对应的mybatis依赖包
```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.heibaiying</groupId>
<!--jdbc 相关依赖包-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<spring-base-version>5.1.3.RELEASE</spring-base-version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.4</version>
<scope>provided</scope>
</dependency>
<!--jdbc 相关依赖包-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.13</version>
</dependency>
<!--单元测试相关依赖包-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring-base-version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc6</artifactId>
<version>11.2.0.3.0</version>
</dependency>
<!--mybatis 依赖包-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.6</version>
</dependency>
</dependencies>
</project>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.13</version>
</dependency>
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc6</artifactId>
<version>11.2.0.3.0</version>
</dependency>
<!--mybatis 依赖包-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.6</version>
</dependency>
```
2、在web.xml 进行如下配置
## 二、spring 整合 mybatis
```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">
<!--配置spring前端控制器-->
<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:springApplication.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>
</web-app>
```
3、在resources文件夹下新建数据库配置文件jdbc.properties
#### 2.1 在resources文件夹下新建数据库配置文件jdbc.properties
```properties
# mysql 数据库配置
@ -145,7 +58,7 @@ oracle.username=用户名
oracle.password=密码
```
4、在resources文件夹下创建springApplication.xml 配置文件
#### 2.2 配置数据源和mybatis会话工厂、定义事务管理器
```xml
<?xml version="1.0" encoding="UTF-8"?>
@ -205,7 +118,7 @@ oracle.password=密码
</beans>
```
5、新建mybtais 配置文件 更多settings配置项可以参考[官方文档](http://www.mybatis.org/mybatis-3/zh/configuration.html)
#### 2.3 新建mybtais配置文件，按照需求配置额外参数， 更多settings配置项可以参考[官方文档](http://www.mybatis.org/mybatis-3/zh/configuration.html)
```xml
<?xml version="1.0" encoding="UTF-8" ?>
@ -228,7 +141,7 @@ oracle.password=密码
```
5、新建查询接口及其对应的mapper文件
#### 2.4 新建查询接口及其对应的mapper文件
```java
public interface MysqlDao {
@ -275,26 +188,9 @@ public interface OracleDao {
</mapper>
```
6.新建测试类进行测试
#### 2.5 新建测试类进行测试
```java
package com.heibaiying.dao;
import com.heibaiying.bean.Relation;
import com.heibaiying.dao.impl.MysqlDao;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
@RunWith(SpringRunner.class)
@ContextConfiguration({"classpath:springApplication.xml"})
public class MysqlDaoTest {
@ -316,24 +212,6 @@ public class MysqlDaoTest {
```
```java
package com.heibaiying.dao;
import com.heibaiying.bean.Flow;
import com.heibaiying.dao.impl.OracleDao;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
@RunWith(SpringRunner.class)
@ContextConfiguration({"classpath:springApplication.xml"})
public class OracleDaoTest {