mybatis是什么
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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
org.springframework.boot spring-boot-starter-parent 1.5.22.RELEASE 4.0.0 cn.lianhy springboot-mybatis 1.0-SNAPSHOT springboot-mybatis UTF-8 1.8 1.8 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-test test org.projectlombok lombok true org.mybatis.spring.boot mybatis-spring-boot-starter 1.3.3 MySQL mysql-connector-java runtime com.alibaba druid-spring-boot-starter 1.1.17 com.github.pagehelper pagehelper-spring-boot-starter 1.2.10 com.alibaba fastjson 1.2.58 org.springframework.boot spring-boot-starter-thymeleaf org.springframework.boot spring-boot-maven-plugin
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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