目录

一、新建业务模块二、集成MybatisPlus三、测试

一、新建业务模块

新建Maven模块,并建立如下目录 新模块的pom.xml添加如下内容

业务模块

mysql

mysql-connector-java

com.ruoyi

ruoyi-common

pro.fessional

kaptcha

com.ruoyi

ruoyi-system

ruoyi文件下pom.xml加入新增的业务模块 admin模块引入业务模块,在pom.xml文件中添加下面依赖

com.ruoyi

ruoyi-wk

4.7.8

修改代码生成器配置文件

二、集成MybatisPlus

common模块引入mybatis-plus依赖

com.baomidou

mybatis-plus-boot-starter

3.5.1

修改BaseEntity.java,搜索值和请求参数添加注解@TableField(exist = false) 修改admin配置文件,application.yml,注释mybatis配置,添加mybatis-plus配置

# MyBatis

#mybatis:

# # 搜索指定包别名

# typeAliasesPackage: com.syt.**.domain

# # 配置mapper的扫描,找到所有的mapper.xml映射文件

# mapperLocations: classpath*:mapper/**/*Mapper.xml

# # 加载全局的配置文件

# configLocation: classpath:mybatis/mybatis-config.xml

#mybatis-plus

mybatis-plus:

mapper-locations: classpath*:mapper/**/*.xml

# config-location: classpath:mybatis/mybatis-config.xml

#实体扫描,多个package用逗号或者分号分隔

typeAliasesPackage: com.ruoyi.**.domain

global-config:

#数据库相关配置

db-config:

#主键类型 AUTO:"数据库ID自增", INPUT:"用户输入ID", ID_WORKER:"全局唯一ID (数字类型唯一ID)", UUID:"全局唯一ID UUID";

id-type: AUTO

logic-delete-value: -1

logic-not-delete-value: 0

banner: false

#原生配置

configuration:

map-underscore-to-camel-case: true

cache-enabled: false

call-setters-on-nulls: true

jdbc-type-for-null: 'null'

注释Mybatis配置文件,在framework模块下(MybatisConfig.java)

/**

* Mybatis支持*匹配扫描包

*

* @author

*/

@Configuration

public class MyBatisConfig

{

@Autowired

private Environment env;

static final String DEFAULT_RESOURCE_PATTERN = "**/*.class";

public static String setTypeAliasesPackage(String typeAliasesPackage)

{

ResourcePatternResolver resolver = (ResourcePatternResolver) new PathMatchingResourcePatternResolver();

MetadataReaderFactory metadataReaderFactory = new CachingMetadataReaderFactory(resolver);

List allResult = new ArrayList();

try

{

for (String aliasesPackage : typeAliasesPackage.split(","))

{

List result = new ArrayList();

aliasesPackage = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX

+ ClassUtils.convertClassNameToResourcePath(aliasesPackage.trim()) + "/" + DEFAULT_RESOURCE_PATTERN;

Resource[] resources = resolver.getResources(aliasesPackage);

if (resources != null && resources.length > 0)

{

MetadataReader metadataReader = null;

for (Resource resource : resources)

{

if (resource.isReadable())

{

metadataReader = metadataReaderFactory.getMetadataReader(resource);

try

{

result.add(Class.forName(metadataReader.getClassMetadata().getClassName()).getPackage().getName());

}

catch (ClassNotFoundException e)

{

e.printStackTrace();

}

}

}

}

if (result.size() > 0)

{

HashSet hashResult = new HashSet(result);

allResult.addAll(hashResult);

}

}

if (allResult.size() > 0)

{

typeAliasesPackage = String.join(",", (String[]) allResult.toArray(new String[0]));

}

else

{

throw new RuntimeException("mybatis typeAliasesPackage 路径扫描错误,参数typeAliasesPackage:" + typeAliasesPackage + "未找到任何包");

}

}

catch (IOException e)

{

e.printStackTrace();

}

return typeAliasesPackage;

}

public Resource[] resolveMapperLocations(String[] mapperLocations)

{

ResourcePatternResolver resourceResolver = new PathMatchingResourcePatternResolver();

List resources = new ArrayList();

if (mapperLocations != null)

{

for (String mapperLocation : mapperLocations)

{

try

{

Resource[] mappers = resourceResolver.getResources(mapperLocation);

resources.addAll(Arrays.asList(mappers));

}

catch (IOException e)

{

// ignore

}

}

}

return resources.toArray(new Resource[resources.size()]);

}

// @Bean

// public SqlSessionFactory sqlSessionFactory(DataSource dataSource) throws Exception

// {

// String typeAliasesPackage = env.getProperty("mybatis.typeAliasesPackage");

// String mapperLocations = env.getProperty("mybatis.mapperLocations");

// String configLocation = env.getProperty("mybatis.configLocation");

// typeAliasesPackage = setTypeAliasesPackage(typeAliasesPackage);

// VFS.addImplClass(SpringBootVFS.class);

//

// final SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();

// sessionFactory.setDataSource(dataSource);

// sessionFactory.setTypeAliasesPackage(typeAliasesPackage);

// sessionFactory.setMapperLocations(resolveMapperLocations(StringUtils.split(mapperLocations, ",")));

// sessionFactory.setConfigLocation(new DefaultResourceLoader().getResource(configLocation));

// return sessionFactory.getObject();

// }

}

修改代码生成器

domain.java.vm import com.baomidou.mybatisplus.annotation.TableName; @TableName("${tableName}")

mapper.java.vm import com.baomidou.mybatisplus.core.mapper.BaseMapper; public interface ${ClassName}Mapper extends BaseMapper<${ClassName}> service.java.vm import com.baomidou.mybatisplus.extension.service.IService; public interface I${ClassName}Service extends IService<${ClassName}> serviceImpl.java.vm import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; public class ${ClassName}ServiceImpl extends ServiceImpl<${ClassName}Mapper,${ClassName}> implements I${ClassName}Service generator.yml,自动去除表前缀改为true。 tablePrefix表前缀,生成类名时省略表前缀。这里前缀有sys_,wk_ packageName表示生成代码的路径,这里默认是com.ruoyi.wk

MybatisPlus分页插件初始化配置,在framework模块下新增MybatisPlusConfig.java

import com.baomidou.mybatisplus.annotation.DbType;

import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;

import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;

import org.mybatis.spring.annotation.MapperScan;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

@Configuration

@MapperScan("com.*.*.mapper") //指定扫描目录

public class MybatisPlusConfig {

@Bean

public MybatisPlusInterceptor mybatisPlusInterceptor() {

MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();

interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL)); //注意使用哪种数据库

return interceptor;

}

}

按照MybatisPlus规则处理SysConfig,不处理会出现错误提示: 1.)SysConfig.java 2.)SysConfigMapper.java 3.)SysConfigService.java 4.)SysConfigServiceImpl.java

三、测试

启动项目 新建表,这里我定的表名前缀是wk_。表名前缀在代码生成模块有配置文件设置,在上面第5步有介绍generator.yml文件 用代码生成工具生成代码,注意检查下面几个是否符合自己设定的规则。菜单需要配置 将代码粘入项目,并执行生成包中的sql文件 重新启动项目 如果出现模版不存在异常,重新编译一下项目,在重新启动项目可以解决。

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