mybatisPlus自定义批量新增的实现代码

/**
 * @Description: EasySqlInjector 自定义数据方法注入
 * @Author WangYejian
 * @Date: 2020/11/4 14:34
 */
public class EasySqlInjector extends DefaultSqlInjector {

  @Override
  public List<AbstractMethod> getMethodList(Class<?> mapperClass) {
    //防止父类方法不可用
    List<AbstractMethod> methods= super.getMethodList(mapperClass);
    methods.add(new InsertBatchSomeColumn());
    return methods;
  }
}

@Bean
  public EasySqlInjector easySqlInjector() {
    return new EasySqlInjector();
  }

package com.cgmcomm.mallplus.basic.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;

import java.util.Collection;

/**
 * @Description: EasyBaseMapper 扩展通用 Mapper，支持数据批量插入
 * @Author WangYejian
 * @Date: 2020/10/15 18:57
 */
public interface EasyBaseMapper<T> extends BaseMapper<T> {

  /**
   * 批量插入 仅适用于mysql
   *
   * @param entityList 实体列表
   * @return 影响行数
   */
  Integer insertBatchSomeColumn(Collection<T> entityList);
}

**
 * 定义业务mapper接口,继承刚刚扩展的EasyBaseMapper
 *
 * @author 天开易想
 */
@Mapper
public interface TestMapper extends EasyBaseMapper<Test> {
}

/**
 * 业务实现类接口,即可引用
 */
@Service
public class TestServiceImpl extends ServiceImpl<TestMapper, Test> implements TestService {

  @Override
  public Integer testBatch(Collection<Test> testList) {
    return baseMapper.insertBatchSomeColumn(testList);
  }