如何将参数传递给 MVC 控制器？

Question

将参数传递到 Asp.Net 核心 MVC 控制器的正确方法是什么。例如，我有一个具有以下签名的控制器：

[HttpPost]
public async Task<ActionResult<Input>> PostInput(Input input, string OutputPath)

注意：输入只是一些 class 我做的。如何从我的 React 应用程序调用此函数并传入参数。

提前致谢！

Answer 1

"What is the proper way to pass parameters into Asp.Net core MVC controllers. For example, I have a controller with the following signature?"

You cannot pass two parameter together either in [FromBody] neither in [FromForm] because its not allowed to pass more than one parameter within one action specially for [FromBody] context . So either you have to move the OutputPath into the class or pass the class property as method argument. You could get more details on the official document here.

Valid Signature Format: 1 With Method Argument fashion

        [HttpGet]
        public async Task<ActionResult> PostInput(string input, string OutputPath)
        {
            return Ok();
        }

Output: 1

Valid Signature Format: 2 With Class Fashion

    [HttpPost]
    public async Task<ActionResult> PostInput(Input input)
    {
        return Ok();
    }

Model Should Be:

public class Input
    {
        public string InputPropertyName { get; set; }    
        public string OutputPath { get; set; }    
    }

Output: 2

Note:

If you still have any further concern you could have a look our official document here.

希望以上步骤能相应地指导您。

Answer 2

您可以尝试通过查询字符串传递 OutputPath，通过 form.Here 传递 Input input 是一个演示：

输入：

public class Input {
        public int Id { get; set; }
        public string Name { get; set; }

    }

动作：

[HttpPost]
        public async void PostInput(Input input, string OutputPath)
        {
            
        }

要求：结果：

此外，您可以通过查询字符串同时传递 OutputPath 和 Input input：

如何将参数传递给 MVC 控制器？

How to pass parameters into MVC controllers?

reactjs

asp.net-mvc

asp.net-core

backend

web-development-server