Spring boot + mybatis + orcale怎么实现

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添加 mybatis 查询 orcale 数据库

新建几个必须的包, 结果如下

在service包下新建personService.java 根据名字查person方法接口

package com.example.first.service;import com.example.first.entity.Person;public interface personService { Person queryPersonByName(String name);}

在serviceImpl包下新建personServiceImpl.java 实现personService.java接口

package com.example.first.serviceImpl;import com.example.first.personDao.personMapperDao;import com.example.first.entity.Person;import com.example.first.service.personService;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import org.springframework.transaction.annotation.Transactional;@Service@Transactionalpublic class personServiceImpl implements personService { @Autowired personMapperDao personMapperDao; @Override public Person queryPersonByName(String name) {  Person person = personMapperDao.findByName(name);  return person; }}

personDao下新建personMapperDao.java  有一个查询person的方法

package com.example.first.personDao;import com.example.first.entity.Person;import org.apache.ibatis.annotations.Mapper;@Mapperpublic interface personMapperDao { Person findByName(String name);}

在resource下新建personMapper.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.example.first.personDao.personMapperDao"> <resultMap id="findPerson" type="com.example.first.entity.Person">  <result property="name" column="name"/>  <result property="age" column="age"/> </resultMap> <select id="findByName" resultMap="findPerson">  select name,age from person where name = #{name} </select></mapper>

在application.properties 中添加数据源 , mapper文件路径 和实体路径

spring.jpa.database=oraclespring.datasource.driver-class-name=oracle.jdbc.driver.OracleDriverspring.datasource.url=jdbc:oracle:thin:@//192.168.3.177:1521/orclspring.datasource.username=liguang_devspring.datasource.password=123456spring.jpa.hibernate.ddl-auto=updatemybatis.mapperLocations=classpath:/mapper/*.xmlmybatis.typeAliasesPackag= com.example.first.entityspring.thymeleaf.prefix=classpath:/templates/spring.thymeleaf.suffix=.htmlspring.thymeleaf.mode = HTML5

在pom文件中添加依赖

<?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.first</groupId> <artifactId>springboot</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>springboot</name> <description>Demo project for Spring Boot</description> <parent>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-parent</artifactId>  <version>1.5.6.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.springframework.boot</groupId>   <artifactId>spring-boot-starter-test</artifactId>   <scope>test</scope>  </dependency>  <dependency>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-thymeleaf</artifactId>  </dependency>  <!--orcale数据库依赖-->  <dependency>   <groupId>oracle</groupId>   <artifactId>ojdbc7</artifactId>   <version>1.0.0.1</version>  </dependency>  <!--mybatis依赖-->  <dependency>   <groupId>org.mybatis.spring.boot</groupId>   <artifactId>mybatis-spring-boot-starter</artifactId>   <version>1.1.1</version>  </dependency>  <dependency>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-jdbc</artifactId>  </dependency> </dependencies> <build>  <plugins>   <plugin>    <groupId>org.springframework.boot</groupId>    <artifactId>spring-boot-maven-plugin</artifactId>   </plugin>  </plugins> </build></project>

浏览器输入http://localhost:8080/person/show?name=zhang

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