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Springboot整合MybatisPlus的实现过程解析

2019-11-05 18:07 1371 查看

这篇文章主要介绍了Springboot整合MybatisPlus的实现过程解析,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下

1、pom文件

<?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.cun</groupId>
<artifactId>plus</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>

<name>plus</name>
<description>Demo project for Spring Boot</description>

<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.14.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>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>

<!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus-boot-starter -->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>2.3</version>
</dependency>
<!-- 代码生成器默认使用如下模版引擎 -->
<!--    <dependency>
<groupId>org.apache.velocity</groupId>
<artifactId>velocity-engine-core</artifactId>
<version>2.0</version>
</dependency>-->
<!-- freemarker 模板引擎 -->
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.28</version>
</dependency>

<!--Druid-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.10</version>
</dependency>

</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

2、创建CodeGenerator.java

package com.cun.plus;

import com.baomidou.mybatisplus.enums.IdType;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.config.DataSourceConfig;
import com.baomidou.mybatisplus.generator.config.GlobalConfig;
import com.baomidou.mybatisplus.generator.config.PackageConfig;
import com.baomidou.mybatisplus.generator.config.StrategyConfig;
import com.baomidou.mybatisplus.generator.config.rules.DbType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;

public class CodeGenerator {
public static void main(String[] args) {
//1. 全局配置
GlobalConfig config = new GlobalConfig();
config.setActiveRecord(false) // 是否支持AR模式
.setAuthor("len") // 作者
.setOutputDir(".\\src\\main\\java") // 生成路径
.setFileOverride(true) // 文件覆盖
.setIdType(IdType.AUTO) // 主键策略
.setServiceName("I%sService") // 设置生成的service接口的名字的首字母是否为I
// IUserService
.setBaseResultMap(true)
.setBaseColumnList(true);

//2. 数据源配置
DataSourceConfig dsConfig = new DataSourceConfig();
dsConfig.setDbType(DbType.MYSQL) // 设置数据库类型
.setDriverName("com.mysql.jdbc.Driver")
.setUrl("jdbc:mysql://localhost:3306/mydatab?useSSL=true&verifyServerCertificate=false&allowMultiQueries=true&useUnicode=true&characterEncoding=UTF-8")
.setUsername("root")
.setPassword("lqq74561");

//3. 策略配置

//配置要生成的表的表名
String[] tableName = {"system_power_type","system_admin","company","power_api","power_action","power_action_api","power_action_group","power_admin_group","power_group"};
StrategyConfig stConfig = new StrategyConfig();
stConfig.setCapitalMode(true) //全局大写命名
.setDbColumnUnderline(true) // 指定表名 字段名是否使用下划线
.setNaming(NamingStrategy.underline_to_camel) // 数据库表映射到实体的命名策略
.setTablePrefix("tb_")
.setInclude(tableName); // 生成的表

//4. 包名策略配置
PackageConfig pkConfig = new PackageConfig();
pkConfig.setParent("com.cun.plus")
.setMapper("mapper")
.setService("service")
.setController("controller")
.setEntity("entity")
.setXml("mapper");

//5. 整合配置
AutoGenerator ag = new AutoGenerator();
ag.setGlobalConfig(config)
.setDataSource(dsConfig)
.setStrategy(stConfig)
.setPackageInfo(pkConfig);

//6. 执行
ag.setTemplateEngine(new FreemarkerTemplateEngine());
ag.execute();
}
}

3、在application.yml中配置mybatis-plus

#mybatis-plus
mybatis-plus:
#xml
mapper-locations: classpath:/mapper/*Mapper.xml
#bean
typeAliasesPackage: com.cun.plus.entity
global-config:
# 3:"UUID";
id-type: 3
field-strategy: 2
db-column-underline: true
key-generator: com.baomidou.mybatisplus.incrementer.OracleKeyGenerator
logic-delete-value: 1
logic-not-delete-value: 0
sql-injector: com.baomidou.mybatisplus.mapper.LogicSqlInjector
configuration:
map-underscore-to-camel-case: true
cache-enabled: false
#JdbcTypeForNull
jdbc-type-for-null: 'null'

4、创建MybatisPlusConfig.java文件

package com.cun.plus.conf;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Configuration;
@Configuration
@MapperScan("com.cun.plus.mapper")
public class MybatisPlusConfig {
}

其他

Wrapper：MP内置条件封装器。

Sql分析器：（MybatisPlusConfig.java中）

/**
* SQL执行效率插件
*/
@Bean
@Profile({"dev","test"})// 设置 dev test 环境开启
public PerformanceInterceptor performanceInterceptor() {
return new PerformanceInterceptor();
}

以上就是本文的全部内容，希望对大家的学习有所帮助

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