springboot集成mybatis-plus遇到的问题及解决方法

在使用spring boot集成mybatis-plus的过程中遇到的问题

如图,

首先我放xml的包的是没问题的，而是引入的架包和配置问题，问题配置如下

解决方法：请将mybatis-plus改成mybatis,mybatis,mybtis,重要的说三遍，必要的架包如下

<dependency>  <groupId>org.mybatis.spring.boot</groupId>  <artifactId>mybatis-spring- boot-starter</artifactId></dependency><!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus --><dependency>  <groupId>com.baomidou</groupId>  <artifactId>mybatis-plus</artifactId>  <version>2.1.9</version></dependency><dependency>  <groupId>org.mybatis.spring.boot</groupId>  <artifactId>mybatis-spring-boot-autoconfigure</artifactId>  <version>1.3.2</version></dependency>

注意第一个是mybatis-spring-boot-start ,不是mybatisplus-spring-boot-start还要在mybatis配置文件里声明MybatisSqlSessionFactoryBean，至此问题解决

@Configurationpublic class MybatisPlusConfig {  @Autowired  private DataSource dataSource;  @Autowired  private MybatisProperties properties;  @Autowired  private ResourceLoader resourceLoader = new DefaultResourceLoader();  @Autowired(required = false)  private Interceptor[] interceptors;  @Autowired(required = false)  private DatabaseIdProvider databaseIdProvider;  /**   *  mybatis-plus分页插件   */  @Bean  public PaginationInterceptor paginationInterceptor() {    PaginationInterceptor page = new PaginationInterceptor();    page.setDialectType("mysql");    return page;  }  /**   * 这里全部使用mybatis-autoconfigure 已经自动加载的资源。不手动指定   * 配置文件和mybatis-boot的配置文件同步   * @return   */  @Bean  public MybatisSqlSessionFactoryBean mybatisSqlSessionFactoryBean() {    MybatisSqlSessionFactoryBean mybatisPlus = new MybatisSqlSessionFactoryBean();    mybatisPlus.setDataSource(dataSource);    mybatisPlus.setVfs(SpringBootVFS.class);    if (StringUtils.hasText(this.properties.getConfigLocation())) {      mybatisPlus.setConfigLocation(this.resourceLoader.getResource(this.properties.getConfigLocation()));    }    mybatisPlus.setConfiguration(properties.getConfiguration());    if (!ObjectUtils.isEmpty(this.interceptors)) {      mybatisPlus.setPlugins(this.interceptors);    }    MybatisConfiguration mc = new MybatisConfiguration();    mc.setDefaultScriptingLanguage(MybatisXMLLanguageDriver.class);    mybatisPlus.setConfiguration(mc);    if (this.databaseIdProvider != null) {      mybatisPlus.setDatabaseIdProvider(this.databaseIdProvider);    }    if (StringUtils.hasLength(this.properties.getTypeAliasesPackage())) {      mybatisPlus.setTypeAliasesPackage(this.properties.getTypeAliasesPackage());    }    if (StringUtils.hasLength(this.properties.getTypeHandlersPackage())) {      mybatisPlus.setTypeHandlersPackage(this.properties.getTypeHandlersPackage());    }    if (!ObjectUtils.isEmpty(this.properties.resolveMapperLocations())) {      mybatisPlus.setMapperLocations(this.properties.resolveMapperLocations());    }    return mybatisPlus;  }}