将文件从 angular 11 形式传递到 asp.net 核心 5 web Z8A5DA552ED12654E72Z3 的最佳方式是什么
[英]What is the best way pass file from angular 11 form to asp.net core 5 web api
问题描述
I don't want to read key line by line.
我不想逐行阅读关键。 Have any good idea?有什么好主意吗？
Code: https://pastebin.ubuntu.com/p/cDTkc6GScY/代码： https://pastebin.ubuntu.com/p/cDTkc6GScY/
1 个解决方案
解决方案1
0 已采纳 2021-02-17 02:23:25
What is the best way pass file from angular 11 form to asp.net core 5 web api
To achieving the requirement of posting file from angular frontend to asp.net core web api backend, you can try to create and populate a FormData object with selected file(s), then then inject the HttpClient service and use it to make request(s). To achieving the requirement of posting file from angular frontend to asp.net core web api backend, you can try to create and populate a FormData object with selected file(s), then then inject the HttpClient service and use it to make request(s).
In your asp.net core web api backend, you may need to apply [FromForm] attribute to your action parameter, which would help specify that a parameter or property should be bound using posted form fields.在您的 asp.net 核心 web api 后端中，您可能需要将[FromForm]属性应用于您的操作绑定参数，这将有助于指定参数或属性应该是应为的表单字段。
And you may need to configure and enable CORS in your backend to set the allowed origins and HTTP methods etc. For more information, please check the following doc:您可能需要在后端配置和启用 CORS 以设置允许的来源和 HTTP 方法等。有关更多信息，请查看以下文档：
https://docs.microsoft.com/en-us/aspnet/core/security/cors?view=aspnetcore-5.0 https://docs.microsoft.com/en-us/aspnet/core/security/cors?view=aspnetcore-5.0
Besides, you can refer to the following SO threads to achieve the requirement.此外，您可以参考以下SO线程来实现需求。
How can update a model with images attach? 如何使用附加图像更新 model？
How to Upload File from Angular to ASP.NET Core Web API 如何将文件从 Angular 上传到 ASP.NET 内核 Web ZDB974238714CA8DE634A7CE1D083A
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