请耐心看下去
pom.xml
//不要它
<!-- <dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.0.0</version>
</dependency> -->
<!-- mapper4 -->
<dependency>
<groupId>tk.mybatis</groupId>
<artifactId>mapper-spring-boot-starter</artifactId>
<version>2.0.2</version>
</dependency>
在启动类上注解在工具包建一个BaseMapper 调用StatisticalMapper 实现基本CRUD
package com.zl.utils;
import org.springframework.stereotype.Component;
import tk.mybatis.mapper.common.Mapper;
import tk.mybatis.mapper.common.MySqlMapper;
@Component
public interface BaseMapper<T> extends Mapper<T>, MySqlMapper<T> {
}
写一个Mapper继承BaseMapper
package com.zl.dao;
import java.util.List;
import org.apache.ibatis.annotations.Select;
import com.zl.enity.Statistical;
import com.zl.utils.BaseMapper;
public interface StatisticalMapper extends BaseMapper<Statistical>{
}