springboot 整合 mybatis-plus
阿新 • • 發佈:2019-02-12
1、環境準備
idea 2018、mysql、jdk1.8
2、idea建立springBoot專案(網上步驟很多)
idea建立專案時可以選擇web、mybatis、mysql,這樣idea會自動載入其jar包;
但是還需要mybatis-plus的jar包:點這裡提供
專案結構:
3、pom.xml:
<?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.xsy.sbmp</groupId> <artifactId>springbmp</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>springbmp</name> <description>Demo project for Spring Boot</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.0.3.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>com.baomidou</groupId> <artifactId>mybatisplus-spring-boot-starter</artifactId> <version>1.0.2</version> <scope>system</scope> <systemPath>${basedir}/lib/mybatisplus-spring-boot-starter-1.0.2.jar</systemPath> </dependency> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus</artifactId> <version>2.1.0</version> <scope>system</scope> <systemPath>${basedir}/lib/mybatis-plus-2.1.0.jar</systemPath> </dependency> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <scope>runtime</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> </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> </plugin> </plugins> </build> </project>
4、application.properties:
#server port server.port=8080 #mysql datasource spring.datasource.url=jdbc:mysql://localhost:3306/test?characterEncoding=utf8&useSSL=false spring.datasource.username= spring.datasource.password= spring.datasource.driver-class-name=com.mysql.jdbc.Driver #logger logging.level.com.xsy.sbmp.springbmp.dao=debug #mapper.xml location mybatis-plus.mapper-locations=classpath*:mapper/*.xml #entity location mybatis-plus.type-aliases-package=com.xsy.sbmp.springbmp.entity
5、mybatisplus配置:
@Configuration
public class MybatisPlusConfig {
@Bean
public PaginationInterceptor paginationInterceptor(){
PaginationInterceptor page = new PaginationInterceptor();
//設定方言
page.setDialectType("mysql");
return page;
}
}
6、建立實體類、dao介面、mapper.xml、service、serviceImpl、controller
實體類中欄位和資料庫欄位不一致時:@TableField("");
dao介面需要: dao介面類上需要@Repository @Mapper註解
還需要在springBoot啟動類上jiar加上註解:@MapperScan("dao路徑")
mapper.xml所有檔案放到 resources資料夾下,即和application.properties同目錄,否則會載入不了;
其他都和ssm時一樣