问题遇到的现象和发生背景
Spring，MyBatis、SpringMVC整合时出现很多错误，pom依赖文件如下：
问题相关代码，请勿粘贴截图
<?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.imooc</groupId>
<artifactId>yutong-reader</artifactId>
<version>1.0-SNAPSHOT</version>
<!--注意添加依赖后要在project structure中artifacts中添加-->
<!--1.Maven依赖spring-mvc-->
<repositories>
<repository>
<id>aliyun</id>
<name>aliyun</name>
<url>http://maven.aliyun.com/repository/public</url>
</repository>
</repositories>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.2.6.RELEASE</version>
</dependency>
<!--Freemarker-->
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.30</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>5.2.6.RELEASE</version>
</dependency>
<!--Jackson springmvc默认的JSON序列化工具-->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.11.0</version>
</dependency>
<!--Jackson提供的注解包，提供用在实体类上的注解，方便JSON的序列化和反序列化-->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.11.0</version>
</dependency>
<!--数据绑定包，和springmvc的数据之间进行有效地交互-->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.11.0</version>
</dependency>
<!--Mybatis整合步骤：1.引入依赖-->
<!--mybatis底层操作数据库也是依赖于jdbc，spring通过spring-jdbc模块将jdbc封装和扩展-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.2.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.4</version>
</dependency>
<!--MyBatis与Spring整合组件-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.3</version>
</dependency>
<!--JDBC驱动，要与自己的mysql版本相同-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.26</version>
</dependency>
<!--alibaba druid连接池-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.14</version>
</dependency>
<!--单元测试依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>5.2.6.RELEASE</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<!--Java环境没有连接Tomcat，找不到javax.serlvlet.ServletContext，所以要添加依赖-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope><!--运行过程中提供jar包支持，但对当前工程打包时，不会对servlet-api中jar包进行打包-->
<!--实际运行时是在tomcat上，所以不需要javax.servlet-->
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>RELEASE</version>
<scope>test</scope>
</dependency>
</dependencies>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
</properties>
</project>
运行结果及报错内容 ：
严重: Caught exception while allowing TestExecutionListener [org.springframework.test.context.support.DependencyInjectionTestExecutionListener@5f2108b5] to prepare test instance [com.imooc.reader.service.TestServiceTest@2767e23c]
java.lang.IllegalStateException: Failed to load ApplicationContext
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'testService': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'testMapper' defined in file [E:\EclipseJavaEEWorkSpace\yutong-reader\target\classes\com\imooc\reader\mapper\TestMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis-config.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'testMapper' defined in file [E:\EclipseJavaEEWorkSpace\yutong-reader\target\classes\com\imooc\reader\mapper\TestMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis-config.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis-config.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor
Caused by: org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis-config.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor
等等
项目目录结构：
我的解答思路和尝试过的方法
刚开始学，是按着视频敲的，检查了几遍了不知道问题在哪
