SpringBoot+Mybatis+mybatis generate+oracle配置方法记录
SpringBoot+Mybatis+mybatis generate+oracle配置方法记录,以便不时之需。
1.创建springboot项目,参见以前的文章。
File -> New -> Project -> Spring Initalizr
Next ->填写Project Metadata,其中Type选择Maven Project
Next ->按需选择依赖,如Web-Web,SQL-MyBatis
Next -> Finish
2.配置oracle和mybatis
看看配置好的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.example</groupId> <artifactId>demo</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>demo</name> <description>Demo project for Spring Boot</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.0.6.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>com.oracle</groupId> <artifactId>ojdbc6</artifactId> <version>12.1.0.1.0</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <scope>runtime</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> <!-- mybatis generator 自动生成代码插件 --> <plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plugin</artifactId> <version>1.3.2</version> <dependencies> <dependency> <groupId>com.oracle</groupId> <artifactId>ojdbc6</artifactId> <version>12.1.0.1.0</version> </dependency> </dependencies> <configuration> <overwrite>true</overwrite> </configuration> </plugin> <plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plugin</artifactId> <version>1.3.2</version> <configuration> <configurationFile>${basedir}/src/main/resources/generatorConfig.xml</configurationFile> <overwrite>true</overwrite> <verbose>true</verbose> </configuration> </plugin> </plugins> </build> </project>
看看application.properties
spring.datasource.driverClassName=oracle.jdbc.driver.OracleDriver spring.datasource.url=jdbc:oracle:thin:@//101.210.212.244:1521/XE spring.datasource.username=UNI_CARD spring.datasource.password=UNI_CARD #spring.datasource.driver-class-name=com.mysql.jdbc.Driver #mybatis.config-location=classpath:mybatis-config.xml mybatis.typeAliasesPackage=com.example.demo.model mybatis.mapper-locations=classpath:mybatis.mapping/*.xml
看看generatorConfig.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd"> <generatorConfiguration> <context id="oraclegenerator" targetRuntime="MyBatis3Simple"> <commentGenerator> <property name="suppressDate" value="true"/> <!-- 是否去除自动生成的注释 true:是 : false:否 --> <property name="suppressAllComments" value="true"/> </commentGenerator> <jdbcConnection driverClass="oracle.jdbc.driver.OracleDriver" connectionURL="jdbc:oracle:thin:@101.210.212.244:1521:XE" userId="UNI_CARD" password="UNI_CARD"/> <!-- 生成model模型,对应的包路径,以及文件存放路径(targetProject),targetProject可以指定具体的路径,如./src/main/java, 也可以使用“MAVEN”来自动生成,这样生成的代码会在target/generatord-source目录下 --> <javaModelGenerator targetPackage="com.example.demo.model" targetProject="src/main/java"> <property name="enableSubPackages" value="true"/> <property name="trimStrings" value="true"/> </javaModelGenerator> <!--生成映射文件存放位置--> <!--对应的mapper.xml文件 --> <sqlMapGenerator targetPackage="mybatis.mapping" targetProject="src/main/resources"> <property name="enableSubPackages" value="true"/> </sqlMapGenerator> <!-- 对应的Mapper接口类文件 --> <javaClientGenerator targetPackage="com.example.demo.mapper" type="XMLMAPPER" targetProject="src/main/java"> <!-- 在targetPackage的基础上,根据数据库的schema再生成一层package,最终生成的类放在这个package下,默认为false --> <property name="enableSubPackages" value="true"/> </javaClientGenerator> <table tableName="ACCESS_TYPE" domainObjectName="ACCESS_TYPE"/> </context> </generatorConfiguration>
关键点就是上面的几个配置文件,然后需要建立相应的文件夹,必须对应好才不会出错!!!
关于在maven中引用oracle,因为orcale收费不允许maven引用,需要下载到本地仓库使用,具体方法参见:https://www.cnblogs.com/cnsevennight/p/6586801.html
到此就配置完成。
3.使用mybatis-generate生成相应的mapper.xml,mapper文件及实体类。
双击即可。
注意:
常见问题应答:
报错:Table configuration with catalog null错误
解决方法:需要去掉generatorConfig.xml中<table>标签中的schema属性,MySQL则不需要去掉。