TypeError: Cannot destructure property 'btn' of 'req.body' as it is undefined. at C:\Users\30945\Desktop\myapp\index.js:15:11 at Layer.handle [as handle_request] (C:\Users\30945\Desktop\myapp\node_modules\express\lib\router\layer.js:95:5) at next (C:\Users\30945\Desktop\myapp\node_modules\express\lib\router\route.js:144:13) at Route.dispatch (C:\Users\30945\Desktop\myapp\node_modules\express\lib\router\route.js:114:3) at Layer.handle [as handle_request] (C:\Users\30945\Desktop\myapp\node_modules\express\lib\router\layer.js:95:5) at C:\Users\30945\Desktop\myapp\node_modules\express\lib\router\index.js:284:15 at Function.process_params (C:\Users\30945\Desktop\myapp\node_modules\express\lib\router\index.js:346:12) at next (C:\Users\30945\Desktop\myapp\node_modules\express\lib\router\index.js:280:10) at serveStatic (C:\Users\30945\Desktop\myapp\node_modules\serve-static\index.js:75:16) at Layer.handle [as handle_request] (C:\Users\30945\Desktop\myapp\node_modules\express\lib\router\layer.js:95:5)
时间: 2023-07-11 21:00:03 浏览: 43
这个错误提示是在 Node.js 的 Express 框架中出现的。错误的原因是代码中尝试对 req.body 进行解构时,发现其为 undefined,因此无法取出其中的 btn 属性,导致错误。
通常情况下,这种错误是由于客户端发送的请求没有包含正确的请求体(request body)导致的。你需要检查客户端发送的请求是否正确,并确保请求体中包含了正确的数据。
另外,你可以在代码中加入一些防御性编程,例如使用默认值或者进行空值判断,以避免类似的错误。
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