cURL 命令在 git bash 中有效，但在 cmd 和 powershell 中无效 [英] cURL command works in git bash but not in cmd and powershell

问题描述

以下命令在 git bash 中有效，但在 cmd 和 powershell 中无效

The folowing command works in git bash but not in cmd and powershell

curl -X POST http://localhost:5678/api/findgen -H 'Content-Type: application/json' -d '{"a": "Val 1","b": "Val 2","c": "Val 3","d": "Val 4"}' -o "file.json"

我在 cmd 中遇到错误，例如 -

I get error in cmd such as -

curl: (6) 无法解析主机:应用程序

curl: (6) Could not resolve host: application

curl: (6) 无法解析主机:Val 1,b

curl: (6) Could not resolve host: Val 1,b

curl: (6) 无法解析主机:Val 2,c

curl: (6) Could not resolve host: Val 2,c

curl: (6) 无法解析主机:Val 3,d

curl: (6) Could not resolve host: Val 3,d

curl: (3) [globbing] 第 6 列中无与伦比的大括号/括号

curl: (3) [globbing] unmatched close brace/bracket in column 6

可能是什么问题?

推荐答案

请阅读错误信息:

Invoke-WebRequest 无法绑定参数Headers".无法转换内容类型:application/json" 要键入的System.String"类型的值System.Collections.IDictionary".

Invoke-WebRequest Cannot bind parameter 'Headers'. Cannot convert the "Content-Type: application/json" value of type "System.String" to type "System.Collections.IDictionary".

在 PowerShell 中，curl 是 Invoke-WebRequest cmdlet 的别名.正如错误指出的那样，Header 参数必须是 IDictionary，而不是字符串.这是它在 PowerShell 中的样子:

In PowerShell, curl is an alias for the Invoke-WebRequest cmdlet. As the error points it out, the Header parameter must be a IDictionary, not a string. This is how it looks like in PowerShell:

@{"Content-Type"="application/json"}

有些参数也不同.这是我编写请求脚本的方式:

Some parameters are also different. This is how I would script the request:

Invoke-WebRequest `
    -Uri "http://localhost:5678/api/findgen" `
    -Headers @{"Content-Type"= "application/json"} `
    -Body '{"a": "Val 1","b": "Val 2","c": "Val 3","d": "Val 4"}' `
    -OutFile "file.json" `
    -Method Post

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