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如何在不指定内容类型的情况下将 JSON POST/PUT 到 REST API 端点：application/json header

[英]How do I POST/PUT JSON to a REST API endpoint without specifying Content-Type: application/json header

原文 2022-12-15 15:33:54 9 1 java/ spring/ spring-boot/ rest

I am working on typical Spring Boot REST API project and I am trying to figure out why all my POST and PUT endpoints API are getting "Unsupported Media Type" error if I don't specify Content-Type: application/json header.(so, if I unchecked Content-Type: application/json header in Postman, I get this error and everything works fine if I check that.)我正在处理典型的 Spring Boot REST API 项目，我试图弄清楚为什么如果我没有指定内容类型，我所有的 POST 和 PUT 端点 API 都会收到“不支持的媒体类型”错误：application/json header。（所以，如果我在 Postman 中取消选中 Content-Type: application/json header，我会得到这个错误，如果我检查它，一切正常。）

Do I need to specify?我需要指定吗？ Are there any ways that I can make them work without Content-Type: application/json header?有没有什么方法可以让它们在没有 Content-Type: application/json header 的情况下工作？

Thanks in advance,提前致谢，

1 个解决方案

You can always use the @RestController for the controller and use the appropriate method like @GetMapping, @PostMapping to make this work.您始终可以将@RestController用于 controller，并使用适当的方法（如 @GetMapping、@PostMapping）来完成这项工作。 So, basically spring requires content type because the input could be anything.所以，基本上 spring 需要内容类型，因为输入可以是任何东西。

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