29 lines
722 B
C#
29 lines
722 B
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Admin.NET.Core.Utils;
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public static class EnumerableExtensions
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{
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/// <summary>
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/// 将集合分批次处理
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/// </summary>
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public static IEnumerable<IEnumerable<T>> Batch<T>(this IEnumerable<T> source, int batchSize)
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{
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var batch = new List<T>(batchSize);
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foreach (var item in source)
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{
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batch.Add(item);
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if (batch.Count == batchSize)
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{
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yield return batch;
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batch = new List<T>(batchSize);
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}
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}
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if (batch.Count > 0)
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yield return batch;
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}
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}
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