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参考文章：
- https://blog.csdn.net/weixin_44384605/article/details/118449107
1. java中用spring boot连接oracle数据库
代码下载链接
百度云：https://pan.baidu.com/s/1dU\_z2pUS2NSfowI4\_mJ4Ow
提取码：mmlm
连接oracle主要是引进ojdbc 可以在pom.xml文件中加入
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| <dependency>
<groupId>com.oracle.database.jdbc</groupId>
<artifactId>ojdbc6</artifactId>
<version>11.2.0.4</version>
</dependency>
|
项目创建详解
1.创建新的spring boot项目 项目名为text
2.创建有关文件
下面是项目中创建的大体目录
3.pom.xml文件
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| <?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.5.2</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>oracle_java</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>oracle_java</name>
<description>Demo project for Spring Boot</description>
<properties>
<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-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<!-- 默认导入oracle连接包 因测试时会报错因此为采用-->
<!-- <dependency>-->
<!-- <groupId>com.oracle.database.jdbc</groupId>-->
<!-- <artifactId>ojdbc8</artifactId>-->
<!-- <scope>runtime</scope>-->
<!-- </dependency>-->
<!-- 引入ojdk6 用来替换ojdk8-->
<dependency>
<groupId>com.oracle.database.jdbc</groupId>
<artifactId>ojdbc6</artifactId>
<version>11.2.0.4</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<!--后期引入 @Mapper用-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.6</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.2</version>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.1.1</version>
</dependency>
<!--后期引入 @Mapper用-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</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>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
<!--后期引入-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.21.0</version>
<configuration>
<testFailureIgnore>true</testFailureIgnore>
</configuration>
</plugin>
</plugins>
<!--后期引入-->
<resources>
<!--将Java代码下的xml编译到class下面去-->
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
<include>**/*.yml</include>
</includes>
</resource>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.*</include>
<include>**/*.yml</include>
</includes>
</resource>
</resources>
</build>
</project>
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4.application.yml （源文件文件类型不是这样的，将原来的文件后缀改成.yml ）
设置自己的数据库信息 将username和password改成自己的
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| server:
port: 8080
spring:
datasource:
driverClassName: oracle.jdbc.driver.OracleDriver
url: jdbc:oracle:thin:@127.0.0.1:1521:orcl
username: system
password: 123456
mybatis:
mapper-locations: classpath:mapper/*.xml
type-aliases-package: com.zhg.demo.mybatis.entity
configuration:
map-underscore-to-camel-case: true
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5.TextConterller.java文件
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| package com.text.conterller;
import com.text.mapper.TextMapper;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import javax.annotation.Resource;
@Controller
@RequestMapping("/text")
public class TextConterller {
@Resource
TextMapper textMapper;
@RequestMapping(value = "/name",method = RequestMethod.GET)
@ResponseBody
public String getName(String code){
String name=textMapper.getName(code);
return name;
}
}
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6.TextMapper.java文件
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| package com.text.mapper;
import org.apache.ibatis.annotations.Mapper;
@Mapper
public interface TextMapper {
String getName(String code);
}
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7.TextMapper.xml文件
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| <?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.text.mapper.TextMapper">
<select id = "getName" resultType="String">
select name from v_emp where barcode=#{code} and rownum = 1
</select>
</mapper>
|
8.项目运行测试
测试连接
http://localhost:8080/text/name?code=输入的内容