SpringBoot MyBatisPlus Oracle

LaLaLa_OvO2023-09-25 16:04

官网

官⽹： https://mybatis.plus/ 或 https://mp.baomidou.com/

pom

xml 复制代码 
<?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.demo</groupId>
    <artifactId>test-mybatis-plus</artifactId>
    <version>1.0-SNAPSHOT</version>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.5.15</version>
        <relativePath />
    </parent>
    <properties>
        <mybatisplus.version>3.0.5</mybatisplus.version>
        <druid.version>1.2.16</druid.version>
        <oracle.version>11.1.0.7.0</oracle.version>
        <swagger.version>3.0.0</swagger.version>
        <lombok.version>1.18.26</lombok.version>
    </properties>
    <profiles>
        <profile>
            <id>local</id>
            <properties>
                <!-- 环境标识，需要与配置文件的名称相对应 -->
                <profiles.active>local</profiles.active>
                <logging.level>debug</logging.level>
            </properties>
        </profile>
        <profile>
            <id>dev</id>
            <properties>
                <!-- 环境标识，需要与配置文件的名称相对应 -->
                <profiles.active>dev</profiles.active>
                <logging.level>debug</logging.level>
            </properties>
            <activation>
                <!-- 默认环境 -->
                <activeByDefault>true</activeByDefault>
            </activation>
        </profile>
        <profile>
            <id>prod</id>
            <properties>
                <profiles.active>prod</profiles.active>
                <logging.level>warn</logging.level>
            </properties>
        </profile>
    </profiles>

    <dependencies>

        <!-- SpringBoot Web容器 -->
        <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>
        <!--SpringBoot校验框架-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-validation</artifactId>
        </dependency>
        <!--集成druid连接池-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>${druid.version}</version>
        </dependency>
                <!--mybatis-plus-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>${mybatisplus.version}</version>
        </dependency>
        <!-- oracle驱动-->
        <dependency>
            <groupId>com.oracle</groupId>
            <artifactId>ojdbc6</artifactId>
            <version>${oracle.version}</version>
        </dependency>
        <!-- Swagger3依赖 -->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-boot-starter</artifactId>
            <version>${swagger.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>io.swagger</groupId>
                    <artifactId>swagger-models</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <!-- 防止进入swagger页面报类型转换错误，排除3.0.0中的引用，手动增加1.6.2版本 -->
        <dependency>
            <groupId>io.swagger</groupId>
            <artifactId>swagger-models</artifactId>
            <version>1.6.2</version>
        </dependency>
        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
            <version>${lombok.version}</version>
        </dependency>
    </dependencies>
    <build>
        <finalName>${project.artifactId}-8998</finalName>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <fork>true</fork> <!-- 如果没有该配置，devtools不会生效 -->
                </configuration>
            </plugin>
        </plugins>
    </build>
    <repositories>
        <!--阿里云镜像仓库-->
        <repository>
            <id>public</id>
            <name>aliyun nexus</name>
            <url>https://maven.aliyun.com/repository/public</url>
            <releases>
                <enabled>true</enabled>
            </releases>
        </repository>
        <!--oracle驱动没有发布到中央仓库，只能从此仓库下载-->
        <repository>
            <id>jeecg</id>
            <name>jeecg Repository</name>
            <url>http://maven.jeewx.com/nexus/content/repositories/jeecg</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>

    <pluginRepositories>
        <pluginRepository>
            <id>public</id>
            <name>aliyun nexus</name>
            <url>https://maven.aliyun.com/repository/public</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>
    </pluginRepositories>
</project>

YML配置

application.yml

yml 复制代码 
spring:
  application:
    name: test-mybatis-plus
  profiles:
    active: @profiles.active@
  servlet:
    multipart:
      max-file-size: 10MB
  jackson:
    #日期格式化
    date-format: yyyy-MM-dd HH:mm:ss
    time-zone: GMT+8
    serialization:
      #格式化输出
      indent-output: true
      #忽略无法转换的对象
      fail-on-empty-beans: false
    #设置空如何序列化
    default-property-inclusion: NON_NULL
    deserialization:
      #允许对象忽略json中不存在的属性
      fail-on-unknown-properties: false

mybatis-plus:
  mapper-locations: classpath:mapper/**/*.xml
  #实体扫描，多个package用逗号或者分号分隔
  typeAliasesPackage: com.demo.entity.**
  global-config:
    db-config:
      logic-delete-value: -1 # 逻辑已删除值(默认为 1)
      logic-not-delete-value: 1 # 逻辑未删除值(默认为 0)
      # 主键生成策略
      id-type: 0
      # Sequence序列接口实现类配置
    #key-generator: com.baomidou.mybatisplus.extension.incrementer.OracleKeyGenerator
    #字段策略 0:"忽略判断",1:"非 NULL 判断"),2:"非空判断"
    field-strategy: 2
    #驼峰下划线转换
    db-column-underline: true
    #mp2.3+ 全局表前缀 mp_
    #table-prefix: mp_
    #刷新mapper 调试神器
    refresh-mapper: false
    #数据库大写下划线转换
    capital-mode: true
  configuration:
    #配置返回数据库(column下划线命名&&返回java实体是驼峰命名)，自动匹配无需as（没开启这个，SQL需要写as： select user_id sa userId）
    map-underscore-to-camel-case: true
    cache-enabled: false
    #配置JdbcTypeForNull, oracle数据库必须配置（不然插入null值会报运行错误）
    jdbc-type-for-null: 'null'
    #    call-setters-on-nulls: true
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

server:
  port: 8998
  servlet:
    # 应用的访问路径
    context-path: /
  tomcat:
    # tomcat的URI编码
    uri-encoding: UTF-8
    # 连接数满后的排队数，默认为100
    accept-count: 1000
    threads:
      # tomcat最大线程数，默认为200
      max: 800
      # Tomcat启动初始化的线程数，默认值10
      min-spare: 100

# Swagger配置
swagger:
  # 是否开启swagger
  enabled: true
  # 请求前缀
  pathMapping: /

# 日志配置
logging:
  level:
    com.demo: @logging.level@
    org.springframework: warn

application-dev.yml

yml 复制代码 
spring:
  datasource:
    driver-class-name: oracle.jdbc.OracleDriver
    url: jdbc:oracle:thin:@192.168.1.1:1521:tttt
    username: aaa
    password: bbbb

JAVA类

TestPlusApplication 启动类

java 复制代码 
package com.demo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class TestPlusApplication
{
    public static void main(String[] args)
    {
        SpringApplication.run(TestPlusApplication.class, args);
        System.out.println("http://127.0.0.1:8998/swagger-ui/index.html");
    }
}

配置类

MyBatisPlusConfig

java 复制代码 
package com.demo.config;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.baomidou.mybatisplus.core.injector.ISqlInjector;
import com.baomidou.mybatisplus.extension.incrementer.OracleKeyGenerator;
import com.baomidou.mybatisplus.extension.injector.LogicSqlInjector;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import java.util.Date;

@EnableTransactionManagement
@ComponentScan
@Configuration
public class MyBatisPlusConfig {
    /**
     * 分页插件
     *
     * @return
     */
    @Bean
    public PaginationInterceptor paginationInterceptor() {
        return new PaginationInterceptor();
    }

    /**
     * 主键自增
     *
     * @return
     */
    @Bean
    @ConditionalOnMissingBean
    public OracleKeyGenerator keyGenerator() {
        return new OracleKeyGenerator();
    }

    /**
     * 逻辑删除
     *
     * @return
     */
    @Bean
    public ISqlInjector sqlInjector() {
        return new LogicSqlInjector();
    }

    @Bean
    @ConditionalOnMissingBean
    public MetaObjectHandler metaObjectHandler() {
        return new MetaObjectHandler() {
            @Override
            public void insertFill(MetaObject metaObject) {
                Date now = new Date();
                this.setFieldValByName("createTime", now, metaObject);
                this.setFieldValByName("updateTime", now, metaObject);
                this.setFieldValByName("insertTime", now, metaObject);
                this.setFieldValByName("isDelete", "1", metaObject);
            }

            @Override
            public void updateFill(MetaObject metaObject) {
                this.setFieldValByName("updateTime", new Date(), metaObject);
                this.setFieldValByName("insertTime", new Date(), metaObject);
            }
        };
    }

}

SwaggerConfig

java 复制代码 
package com.demo.config;

import io.swagger.annotations.ApiOperation;
import io.swagger.models.auth.In;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.ArrayList;
import java.util.List;

@Configuration
public class SwaggerConfig
{

    /** 是否开启swagger */
    @Value("${swagger.enabled}")
    private boolean enabled;

    /** 设置请求的统一前缀 */
    @Value("${swagger.pathMapping}")
    private String pathMapping;

    /**
     * 创建API
     */
    @Bean
    public Docket createRestApi()
    {
        return new Docket(DocumentationType.OAS_30)
                // 是否启用Swagger
                .enable(enabled)
                // 用来创建该API的基本信息，展示在文档的页面中（自定义展示的信息）
                .apiInfo(apiInfo())
                // 设置哪些接口暴露给Swagger展示
                .select()
                // 扫描所有有注解的api，用这种方式更灵活
                .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))
                // 扫描指定包中的swagger注解
                // .apis(RequestHandlerSelectors.basePackage("com.xxx"))
                // 扫描所有 .apis(RequestHandlerSelectors.any())
                .paths(PathSelectors.any())
                .build()
                /* 设置安全模式，swagger可以设置访问token */
                .securitySchemes(securitySchemes())
                .securityContexts(securityContexts())
                .pathMapping(pathMapping);
    }

    /**
     * 安全模式，这里指定token通过Authorization头请求头传递
     */
    private List<SecurityScheme> securitySchemes()
    {
        List<SecurityScheme> apiKeyList = new ArrayList<SecurityScheme>();
        apiKeyList.add(new ApiKey("Authorization", "Authorization", In.HEADER.toValue()));
        return apiKeyList;
    }

    /**
     * 安全上下文
     */
    private List<SecurityContext> securityContexts()
    {
        List<SecurityContext> securityContexts = new ArrayList<>();
        securityContexts.add(
                SecurityContext.builder()
                        .securityReferences(defaultAuth())
                        .operationSelector(o -> o.requestMappingPattern().matches("/.*"))
                        .build());
        return securityContexts;
    }

    /**
     * 默认的安全上引用
     */
    private List<SecurityReference> defaultAuth()
    {
        AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        List<SecurityReference> securityReferences = new ArrayList<>();
        securityReferences.add(new SecurityReference("Authorization", authorizationScopes));
        return securityReferences;
    }

    /**
     * 添加摘要信息
     */
    private ApiInfo apiInfo()
    {
        // 用ApiInfoBuilder进行定制
        return new ApiInfoBuilder()
                // 设置标题
                .title("标题：")
                // 描述
                .description("描述：...")
                // 作者信息
                .contact(new Contact("作者信息", null, null))
                // 版本
                .version("版本号:" )
                .build();
    }
}

mybatis-plus 类注意事项

java 复制代码 
mapper类要加上注解
@Mapper

ServiceImpl类加上注解
@Service

实体类加上序列
@KeySequence(value = "SEQ_TEST_XX_ID", clazz = Long.class)

主键id
@TableId(value = "id", type = IdType.INPUT)

oracle序列创建语法
create sequence SEQ_TEST_XX_ID start with 1 increment by 1

日志输出 logback.xml

xml 复制代码 
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <!-- 日志存放路径 -->
	<property name="log.path" value="/home/test-mybatis-plus" />
    <!-- 日志输出格式 -->
	<property name="log.pattern" value="%d{HH:mm:ss.SSS} [%thread] %-5level %logger{20} - [%method,%line] - %msg%n" />

	<!-- 控制台输出 -->
	<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
		<encoder>
			<pattern>${log.pattern}</pattern>
		</encoder>
	</appender>
	
	<!-- 系统日志输出 -->
	<appender name="file_info" class="ch.qos.logback.core.rolling.RollingFileAppender">
	    <file>${log.path}/sys-info.log</file>
        <!-- 循环政策：基于时间创建日志文件 -->
		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 日志文件名格式 -->
			<fileNamePattern>${log.path}/sys-info.%d{yyyy-MM-dd}.log</fileNamePattern>
			<!-- 日志最大的历史 60天 -->
			<maxHistory>60</maxHistory>
		</rollingPolicy>
		<encoder>
			<pattern>${log.pattern}</pattern>
		</encoder>
		<filter class="ch.qos.logback.classic.filter.LevelFilter">
            <!-- 过滤的级别 -->
            <level>INFO</level>
            <!-- 匹配时的操作：接收（记录） -->
            <onMatch>ACCEPT</onMatch>
            <!-- 不匹配时的操作：拒绝（不记录） -->
            <onMismatch>DENY</onMismatch>
        </filter>
	</appender>
	<appender name="file_error" class="ch.qos.logback.core.rolling.RollingFileAppender">
	    <file>${log.path}/sys-error.log</file>
        <!-- 循环政策：基于时间创建日志文件 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 日志文件名格式 -->
            <fileNamePattern>${log.path}/sys-error.%d{yyyy-MM-dd}.log</fileNamePattern>
			<!-- 日志最大的历史 60天 -->
			<maxHistory>60</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>${log.pattern}</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <!-- 过滤的级别 -->
            <level>ERROR</level>
			<!-- 匹配时的操作：接收（记录） -->
            <onMatch>ACCEPT</onMatch>
			<!-- 不匹配时的操作：拒绝（不记录） -->
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
	<root level="info">
		<appender-ref ref="console" />
        <appender-ref ref="file_info" />
        <appender-ref ref="file_error" />
	</root>
</configuration>

测试类样例

AssertUnitTest

java 复制代码 
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

@DisplayName("断言单元测试案例")
public class AssertUnitTest {

    @DisplayName("测试 assertEquals 方法")
    @Test
    public void testAssertEquals() {
        Assertions.assertEquals("666", new String("666"));
        Assertions.assertNotEquals("666", new String("666"));
    }

    @DisplayName("测试 assertSame 方法")
    @Test
    public void testAssertSame() {
        Object obj = new Object();
        Object obj1 = obj;
        Assertions.assertSame(obj, obj1);
        Assertions.assertNotSame(obj, obj1);
    }
    
    @DisplayName("测试 assertTrue 方法")
    @Test
    public void testAssertTrue() {
        Assertions.assertTrue(true);
        Assertions.assertFalse(true);
    }
    
    @DisplayName("测试 assertNull 方法")
    @Test
    public void testAssertNull() {
        Assertions.assertNull(null);
        Assertions.assertNotNull(null);
    }
}

ParamUnitTest

java 复制代码 
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.EnumSource;
import org.junit.jupiter.params.provider.MethodSource;
import org.junit.jupiter.params.provider.NullSource;
import org.junit.jupiter.params.provider.ValueSource;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Stream;

@DisplayName("带参数单元测试案例")
public class ParamUnitTest {

    @DisplayName("测试 @ValueSource 注解")
    @ParameterizedTest
    @ValueSource(strings = {"t1", "t2", "t3"})
    public void testValueSource(String str) {
        System.out.println(str);
    }

    @DisplayName("测试 @NullSource 注解")
    @ParameterizedTest
    @NullSource
    public void testNullSource(String str) {
        System.out.println(str);
    }

    @DisplayName("测试 @EnumSource 注解")
    @ParameterizedTest
    @EnumSource(XxxType.class)
    public void testEnumSource(XxxType type) {
        System.out.println(type.getXxxType());
    }

    @DisplayName("测试 @MethodSource 注解")
    @ParameterizedTest
    @MethodSource("getParam")
    public void testMethodSource(String str) {
        System.out.println(str);
    }

    public static Stream<String> getParam() {
        List<String> list = new ArrayList<>();
        list.add("t1");
        list.add("t2");
        list.add("t3");
        return list.stream();
    }

    @BeforeEach
    public void testBeforeEach() {
        System.out.println("@BeforeEach ==================");
    }

    @AfterEach
    public void testAfterEach() {
        System.out.println("@AfterEach ==================");
    }
}
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