import org.springframework.batch.core.partition.support.Partitioner; //导入依赖的package包/类
@Bean
public Partitioner partitioner() {
	return new Partitioner() {
		@Override
		public Map<String, ExecutionContext> partition(int gridSize) {

			Map<String, ExecutionContext> partitions = new HashMap<>(gridSize);

			for(int i = 0; i < GRID_SIZE; i++) {
				ExecutionContext context1 = new ExecutionContext();
				context1.put("partitionNumber", i);

				partitions.put("partition" + i, context1);
			}

			return partitions;
		}
	};
}
 

import org.springframework.batch.core.partition.support.Partitioner; //导入依赖的package包/类
@Bean
public Partitioner partitioner () {
    return new RangePartitioner();
}