spring batch用mybatis plus进行数据写入
时间: 2023-11-27 10:51:21 浏览: 149
spring+mybatis-plus集成
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可以使用MyBatis Plus作为Spring Batch的ItemWriter来实现数据写入。在使用MyBatis Plus的情况下,可以通过以下步骤来实现:
1. 定义实体类
```java
@Data
public class User {
private Long id;
private String name;
private Integer age;
private String email;
}
```
2. 定义Mapper接口
```java
@Mapper
public interface UserMapper extends BaseMapper<User> {
}
```
3. 定义ItemWriter
```java
@Component
public class UserItemWriter implements ItemWriter<User> {
@Autowired
private UserMapper userMapper;
@Override
public void write(List<? extends User> users) throws Exception {
for (User user : users) {
userMapper.insert(user);
}
}
}
```
4. 配置Batch Job
```java
@Configuration
@EnableBatchProcessing
public class BatchConfiguration {
@Autowired
private JobBuilderFactory jobBuilderFactory;
@Autowired
private StepBuilderFactory stepBuilderFactory;
@Autowired
private UserItemReader userItemReader;
@Autowired
private UserItemWriter userItemWriter;
@Bean
public Job importUserJob() {
return jobBuilderFactory.get("importUserJob")
.incrementer(new RunIdIncrementer())
.flow(step1())
.end()
.build();
}
@Bean
public Step step1() {
return stepBuilderFactory.get("step1")
.<User, User>chunk(10)
.reader(userItemReader)
.writer(userItemWriter)
.build();
}
}
```
在这个例子中,我们使用MyBatis Plus的BaseMapper来操作数据库,并将ItemWriter实现为将实体对象插入到数据库中。在Batch Job的配置中,我们使用了自定义的ItemReader和ItemWriter,通过chunk()方法设置了每次读取和写入的记录数。
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