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Golang Is Shit E002
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| package main | |
| import ( | |
| "fmt" | |
| "io/ioutil" | |
| "net/http" | |
| ) | |
| type BodyPrinter struct { | |
| } | |
| func (ctr *BodyPrinter) ServeHTTP(w http.ResponseWriter, req *http.Request) { | |
| body, _ := ioutil.ReadAll(req.Body) | |
| resp := string(body) | |
| _, _ = fmt.Fprintf(w, "body is\n%s\nlength is %d", resp, len(resp)) | |
| } | |
| func Run() { | |
| http.Handle("/url", new(BodyPrinter)) | |
| err := http.ListenAndServe(":8090", nil) | |
| if err != nil { | |
| panic(err) | |
| } | |
| } | |
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| #### slash slash ❌ | |
| curl --location 'localhost:8090//url' \ | |
| --header 'Content-Type: application/json' \ | |
| --data '{}' | |
| body is | |
| length is 0 ## why? | |
| #### slash ✅ | |
| $ curl --location 'localhost:8091/url' \ | |
| --header 'Content-Type: application/json' \ | |
| --data '{}' | |
| body is | |
| {} | |
| length is 2 |
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| package com.example; | |
| import io.micronaut.http.MediaType; | |
| import io.micronaut.http.annotation.Body; | |
| import io.micronaut.http.annotation.Controller; | |
| import io.micronaut.http.annotation.Get; | |
| import io.micronaut.http.annotation.Post; | |
| @Controller("/") | |
| public class HelloController { | |
| @Get(uri = "/hello/get", produces = MediaType.TEXT_PLAIN) // (2) | |
| public String index() { | |
| return "Hello World"; | |
| } | |
| @Post(uri = "/hello/post", consumes = MediaType.APPLICATION_JSON) | |
| public String process(@Body String formInput) { | |
| return String.format("Hello json body len=%d", formInput.length()); | |
| } | |
| } |
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| #### slash slash ✅ | |
| curl --location 'localhost:8090/hello//post' \ | |
| --header 'Content-Type: application/json' \ | |
| --data '{}' | |
| {"_links":{"self":[{"href":"/hello//post","templated":false}]},"_embedded":{"errors":[{"message":"Page Not Found"}]},"message":"Not Found"} | |
| #### slash ✅ | |
| $ curl --location 'localhost:8091/hello/post' \ | |
| --header 'Content-Type: application/json' \ | |
| --data '{}' | |
| Hello json body len=2 |
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