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这篇文章主要讲解了“mybatis是什么”,文中的讲解内容简单清晰,易于学习与理解,下面请大家跟着小编的思路慢慢深入,一起来研究和学习“mybatis是什么”吧!
1.what's mybatis?
MyBatis 是一款优秀的持久层框架,它支持定制化 SQL、存储过程以及高级映射。MyBatis 避免了几乎所有的 JDBC 代码和手动设置参数以及获取结果集。MyBatis 可以使用简单的 XML 或注解来配置和映射原生类型、接口和 Java 的 POJO(Plain Old Java Objects,普通老式 Java 对象)为数据库中的记录。
2.what's mybatis-spring-boot-starter?
MyBatis-Spring-Boot-Starter可帮助您在Spring Boot之上快速构建MyBatis应用程序。
通过使用此模块,您将实现:
构建独立应用程序
将样板减少到几乎为零
更少的XML配置
3.how?
pom
<?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"> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.22.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <modelVersion>4.0.0</modelVersion> <groupId>cn.lianhy</groupId> <artifactId>springboot-mybatis</artifactId> <version>1.0-SNAPSHOT</version> <name>springboot-mybatis</name> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <maven.compiler.source>1.8</maven.compiler.source> <maven.compiler.target>1.8</maven.compiler.target> </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.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.3</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid-spring-boot-starter</artifactId> <version>1.1.17</version> </dependency> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper-spring-boot-starter</artifactId> <version>1.2.10</version> </dependency> <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.58</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-thymeleaf</artifactId> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
properties
server.port=8070 logging.config=classpath:logback.xml logging.level.cn.lianhy=debug #JDBC 配置(数据源) spring.datasource.username=root spring.datasource.password=123456 spring.datasource.url=jdbc:mysql://127.0.0.1:3306/ssm spring.datasource.driver-class-name=com.mysql.jdbc.Driver spring.datasource.type=com.alibaba.druid.pool.DruidDataSource #连接池配置 spring.datasource.druid.initial-size=1 spring.datasource.druid.max-active=20 spring.datasource.druid.min-idle=1 spring.datasource.druid.max-wait=60000 spring.datasource.druid.time-between-eviction-runs-millis=60000 spring.datasource.druid.min-evictable-idle-time-millis=300000 spring.datasource.druid.test-on-borrow=false spring.datasource.druid.test-on-return=false spring.datasource.druid.test-while-idle=true spring.datasource.druid.pool-prepared-statements=true spring.datasource.druid.max-open-prepared-statements=20 spring.datasource.druid.async-init=true #pagehelper(分页) pagehelper.helperDialect=mysql pagehelper.reasonable=true pagehelper.supportMethodsArguments=true pagehelper.params=count=countSql #mybatis mybatis.config-location=classpath:sql-map-config.xml mybatis.mapper-locations=classpath:mapper/*.xml # Enable template caching. spring.thymeleaf.cache=false # Check that the templates location exists. spring.thymeleaf.check-template-location=true # Content-Type value. spring.thymeleaf.content-type=text/html # Enable MVC Thymeleaf view resolution. spring.thymeleaf.enabled=true # Template encoding. spring.thymeleaf.encoding=UTF-8 # Comma-separated list of view names that should be excluded from resolution. spring.thymeleaf.excluded-view-names= # Template mode to be applied to templates. See also StandardTemplateModeHandlers. spring.thymeleaf.mode=HTML5 # Prefix that gets prepended to view names when building a URL. spring.thymeleaf.prefix=classpath:/templates/ # Suffix that gets appended to view names when building a URL. spring.thymeleaf.suffix=.html # Whether to check that the template exists before rendering it. spring.thymeleaf.check-template=true
启动类
package cn.lianhy;import org.mybatis.spring.annotation.MapperScan;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.transaction.annotation.EnableTransactionManagement;/** * Hello world! * */@EnableTransactionManagement@MapperScan(value = "cn.lianhy.*.dao")@SpringBootApplicationpublic class App {public static void main( String[] args ){ SpringApplication.run(App.class,args); } }
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