MyBatis实现MySQL批量插入的示例代码

CREATE TABLE users (
  id INT PRIMARY KEY AUTO_INCREMENT,
  name VARCHAR(100),
  email VARCHAR(100)
);

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
  PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
  "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.example.UserMapper">
  <insert id="insertBatch" parameterType="java.util.List">
    INSERT INTO users (name, email)
    VALUES
    <foreach collection="list" item="item" separator=",">
      (#{item.name}, #{item.email})
    </foreach>
  </insert>
</mapper>

public class User {
  private String name;
  private String email;
  // 省略构造函数和getter/setter方法
}

public interface UserMapper {
  void insertBatch(List<User> users);
}

String resource = "path/to/your/mybatis-config.xml";
InputStream inputStream = Resources.getResourceAsStream(resource);
SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
try (SqlSession session = sqlSessionFactory.openSession()) {
  UserMapper userMapper = session.getMapper(UserMapper.class);
  List<User> users = new ArrayList<>();
  users.add(new User("John", "john@example
.com"));
  users.add(new User("Alice", "alice@example.com"));
  userMapper.insertBatch(users);
  session.commit();
}