88 lines
3.1 KiB
C#
88 lines
3.1 KiB
C#
// ------------------------------------------------------------------------
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// 版权信息
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// 版权归百小僧及百签科技（广东）有限公司所有。
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// 所有权利保留。
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// 官方网站：https://baiqian.com
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//
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// 许可证信息
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// 项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。
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// 许可证的完整文本可以在源代码树根目录中的 LICENSE-APACHE 和 LICENSE-MIT 文件中找到。
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// ------------------------------------------------------------------------
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using Microsoft.AspNetCore.Http;
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using System.Text;
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namespace ThingsGateway.HttpRemote;
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/// <summary>
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/// <see cref="HttpMultipartFormDataBuilder" /> 拓展类
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/// </summary>
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public static class HttpMultipartFormDataBuilderExtensions
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{
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/// <summary>
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/// 添加文件
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/// </summary>
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/// <param name="httpMultipartFormDataBuilder">
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/// <see cref="HttpMultipartFormDataBuilder" />
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/// </param>
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/// <param name="formFile">
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/// <see cref="IFormFile" />
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/// </param>
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/// <param name="name">表单名称</param>
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/// <param name="fileName">文件的名称</param>
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/// <param name="contentType">内容类型</param>
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/// <param name="contentEncoding">内容编码</param>
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/// <returns>
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/// <see cref="HttpMultipartFormDataBuilder" />
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/// </returns>
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public static HttpMultipartFormDataBuilder AddFile(this HttpMultipartFormDataBuilder httpMultipartFormDataBuilder,
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IFormFile formFile, string? name = null, string? fileName = null, string? contentType = null,
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Encoding? contentEncoding = null)
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{
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// 空检查
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ArgumentNullException.ThrowIfNull(formFile);
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// 初始化 MemoryStream 实例
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var memoryStream = new MemoryStream();
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// 将 IFormFile 内容复制到内存流
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formFile.CopyTo(memoryStream);
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// 将内存流的位置重置到起始位置
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memoryStream.Position = 0;
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// 添加文件流
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return httpMultipartFormDataBuilder.AddStream(memoryStream, name ?? formFile.Name,
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fileName ?? formFile.FileName, contentType ?? formFile.ContentType, contentEncoding,
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true);
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}
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/// <summary>
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/// 添加多个文件
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/// </summary>
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/// <param name="httpMultipartFormDataBuilder">
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/// <see cref="HttpMultipartFormDataBuilder" />
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/// </param>
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/// <param name="formFiles">
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/// <see cref="IFormFileCollection" />
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/// </param>
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/// <param name="name">表单名称</param>
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/// <returns>
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/// <see cref="HttpMultipartFormDataBuilder" />
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/// </returns>
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public static HttpMultipartFormDataBuilder AddFiles(this HttpMultipartFormDataBuilder httpMultipartFormDataBuilder,
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IEnumerable<IFormFile> formFiles, string? name = null)
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{
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// 空检查
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ArgumentNullException.ThrowIfNull(formFiles);
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// 逐条添加文件
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foreach (var formFile in formFiles)
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{
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httpMultipartFormDataBuilder.AddFile(formFile, name ?? formFile.Name);
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}
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return httpMultipartFormDataBuilder;
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}
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} |