Imagekit Go 语言 |如何使用上下文

php小编苹果为大家带来了关于Go语言中如何使用上下文的介绍。在Go语言开发中，上下文(Context)是一个非常重要的概念，它可以在多个goroutine之间传递请求的信息。本文将详细介绍上下文的作用、使用场景以及如何在Go语言中使用上下文。无论你是初学者还是有一定经验的开发者，通过阅读本文，你都能够更好地理解和应用上下文在Go语言开发中的重要性。

问题内容

我正在尝试通过 imagekit sdk 将图像从 golang 后端上传到 imagekit。我面临着理解 context api 用途的问题。

目前，我并没有真正在后端使用上下文，而是在构造函数中传递所有依赖项。

我遇到了异常：

2023/01/04 09:53:56 http: panic serving 127.0.0.1:50780: runtime error: invalid memory address or nil pointer dereference goroutine 20 [running]: net/http.(*conn).serve.func1() /usr/local/cellar/go/1.19.3/libexec/src/net/http/server.go:1850 +0xbf panic({0x1005836c0, 0x10092b820}) /usr/local/cellar/go/1.19.3/libexec/src/runtime/panic.go:890 +0x262 github.com/bolzfieber/bolzfieber-backend/internal/controllers.pitchescontroller.createandupdatepitch({0xc0001f7530?, 0x0?}, {0x1006a94e8, 0xc0000ca000}, 0xc0000d4000) /users/pbahr/dev/bolzfieber/be/bolzfieber-backend/internal/controllers/pitches.go:91 +0x5ae net/http.handlerfunc.servehttp(0x100580980?, {0x1006a94e8?, 0xc0000ca000?}, 0xc0000be048?) /usr/local/cellar/go/1.19.3/libexec/src/net/http/server.go:2109 +0x2f github.com/go-chi/chi/v5.(*mux).routehttp(0xc00007c600, {0x1006a94e8, 0xc0000ca000}, 0xc0000d4000) /users/pbahr/go/pkg/mod/github.com/go-chi/chi/[email protected]/mux.go:442 +0x216 net/http.handlerfunc.servehttp(0xc0000b00c0?, {0x1006a94e8?, 0xc0000ca000?}, 0xc00011b918?) /usr/local/cellar/go/1.19.3/libexec/src/net/http/server.go:2109 +0x2f github.com/go-chi/chi/v5.(*mux).servehttp(0xc00007c600, {0x1006a94e8, 0xc0000ca000}, 0xc0000d4000) /users/pbahr/go/pkg/mod/github.com/go-chi/chi/[email protected]/mux.go:71 +0x355 github.com/go-chi/chi/v5.(*mux).mount.func1({0x1006a94e8, 0xc0000ca000}, 0xc0000d4000) /users/pbahr/go/pkg/mod/github.com/go-chi/chi/[email protected]/mux.go:314 +0x19c net/http.handlerfunc.servehttp(0x100580980?, {0x1006a94e8?, 0xc0000ca000?}, 0xc0000aa005?) /usr/local/cellar/go/1.19.3/libexec/src/net/http/server.go:2109 +0x2f github.com/go-chi/chi/v5.(*mux).routehttp(0xc00007c420, {0x1006a94e8, 0xc0000ca000}, 0xc0000d4000) /users/pbahr/go/pkg/mod/github.com/go-chi/chi/[email protected]/mux.go:442 +0x216 net/http.handlerfunc.servehttp(0x1006a9bf8?, {0x1006a94e8?, 0xc0000ca000?}, 0x10092b640?) /usr/local/cellar/go/1.19.3/libexec/src/net/http/server.go:2109 +0x2f github.com/go-chi/chi/v5.(*mux).servehttp(0xc00007c420, {0x1006a94e8, 0xc0000ca000}, 0xc000332000) /users/pbahr/go/pkg/mod/github.com/go-chi/chi/[email protected]/mux.go:88 +0x310 net/http.serverhandler.servehttp({0x1006a84d0?}, {0x1006a94e8, 0xc0000ca000}, 0xc000332000) /usr/local/cellar/go/1.19.3/libexec/src/net/http/server.go:2947 +0x30c net/http.(*conn).serve(0xc00032c000, {0x1006a9ca0, 0xc000318270}) /usr/local/cellar/go/1.19.3/libexec/src/net/http/server.go:1991 +0x607 created by net/http.(*server).serve /usr/local/cellar/go/1.19.3/libexec/src/net/http/server.go:3102 +0x4db登录后复制