179 lines
8.2 KiB
Markdown
179 lines
8.2 KiB
Markdown
# Gin Web Framework
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<img align="right" width="159px" src="https://raw.githubusercontent.com/gin-gonic/logo/master/color.png">
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[](https://github.com/gin-gonic/gin/actions?query=branch%3Amaster)
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[](https://codecov.io/gh/gin-gonic/gin)
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[](https://goreportcard.com/report/github.com/gin-gonic/gin)
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[](https://pkg.go.dev/github.com/gin-gonic/gin?tab=doc)
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[](https://sourcegraph.com/github.com/gin-gonic/gin?badge)
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[](https://www.codetriage.com/gin-gonic/gin)
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[](https://github.com/gin-gonic/gin/releases)
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[](https://www.tickgit.com/browse?repo=github.com/gin-gonic/gin)
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Gin is a web framework written in [Go](https://go.dev/). It features a martini-like API with performance that is up to 40 times faster thanks to [httprouter](https://github.com/julienschmidt/httprouter). If you need performance and good productivity, you will love Gin.
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**The key features of Gin are:**
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- Zero allocation router
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- Fast
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- Middleware support
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- Crash-free
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- JSON validation
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- Routes grouping
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- Error management
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- Rendering built-in
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- Extendable
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## Getting started
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### Prerequisites
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- **[Go](https://go.dev/)**: any one of the **three latest major** [releases](https://go.dev/doc/devel/release) (we test it with these).
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### Getting Gin
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With [Go module](https://github.com/golang/go/wiki/Modules) support, simply add the following import
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```
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import "github.com/gin-gonic/gin"
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```
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to your code, and then `go [build|run|test]` will automatically fetch the necessary dependencies.
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Otherwise, run the following Go command to install the `gin` package:
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```sh
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$ go get -u github.com/gin-gonic/gin
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```
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### Running Gin
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First you need to import Gin package for using Gin, one simplest example likes the follow `example.go`:
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```go
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package main
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import (
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"net/http"
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"github.com/gin-gonic/gin"
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)
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func main() {
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r := gin.Default()
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r.GET("/ping", func(c *gin.Context) {
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c.JSON(http.StatusOK, gin.H{
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"message": "pong",
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})
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})
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r.Run() // listen and serve on 0.0.0.0:8080 (for windows "localhost:8080")
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}
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```
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And use the Go command to run the demo:
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```
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# run example.go and visit 0.0.0.0:8080/ping on browser
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$ go run example.go
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```
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### Learn more examples
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#### Quick Start
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Learn and practice more examples, please read the [Gin Quick Start](docs/doc.md) which includes API examples and builds tag.
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#### Examples
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A number of ready-to-run examples demonstrating various use cases of Gin on the [Gin examples](https://github.com/gin-gonic/examples) repository.
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## Documentation
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See [API documentation and descriptions](https://godoc.org/github.com/gin-gonic/gin) for package.
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All documentation is available on the Gin website.
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- [English](https://gin-gonic.com/docs/)
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- [简体中文](https://gin-gonic.com/zh-cn/docs/)
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- [繁體中文](https://gin-gonic.com/zh-tw/docs/)
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- [日本語](https://gin-gonic.com/ja/docs/)
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- [Español](https://gin-gonic.com/es/docs/)
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- [한국어](https://gin-gonic.com/ko-kr/docs/)
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- [Turkish](https://gin-gonic.com/tr/docs/)
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- [Persian](https://gin-gonic.com/fa/docs/)
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### Articles about Gin
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A curated list of awesome Gin framework.
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- [Tutorial: Developing a RESTful API with Go and Gin](https://go.dev/doc/tutorial/web-service-gin)
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## Benchmarks
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Gin uses a custom version of [HttpRouter](https://github.com/julienschmidt/httprouter), [see all benchmarks details](/BENCHMARKS.md).
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| Benchmark name | (1) | (2) | (3) | (4) |
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| ------------------------------ | ---------:| ---------------:| ------------:| ---------------:|
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| BenchmarkGin_GithubAll | **43550** | **27364 ns/op** | **0 B/op** | **0 allocs/op** |
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| BenchmarkAce_GithubAll | 40543 | 29670 ns/op | 0 B/op | 0 allocs/op |
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| BenchmarkAero_GithubAll | 57632 | 20648 ns/op | 0 B/op | 0 allocs/op |
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| BenchmarkBear_GithubAll | 9234 | 216179 ns/op | 86448 B/op | 943 allocs/op |
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| BenchmarkBeego_GithubAll | 7407 | 243496 ns/op | 71456 B/op | 609 allocs/op |
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| BenchmarkBone_GithubAll | 420 | 2922835 ns/op | 720160 B/op | 8620 allocs/op |
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| BenchmarkChi_GithubAll | 7620 | 238331 ns/op | 87696 B/op | 609 allocs/op |
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| BenchmarkDenco_GithubAll | 18355 | 64494 ns/op | 20224 B/op | 167 allocs/op |
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| BenchmarkEcho_GithubAll | 31251 | 38479 ns/op | 0 B/op | 0 allocs/op |
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| BenchmarkGocraftWeb_GithubAll | 4117 | 300062 ns/op | 131656 B/op | 1686 allocs/op |
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| BenchmarkGoji_GithubAll | 3274 | 416158 ns/op | 56112 B/op | 334 allocs/op |
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| BenchmarkGojiv2_GithubAll | 1402 | 870518 ns/op | 352720 B/op | 4321 allocs/op |
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| BenchmarkGoJsonRest_GithubAll | 2976 | 401507 ns/op | 134371 B/op | 2737 allocs/op |
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| BenchmarkGoRestful_GithubAll | 410 | 2913158 ns/op | 910144 B/op | 2938 allocs/op |
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| BenchmarkGorillaMux_GithubAll | 346 | 3384987 ns/op | 251650 B/op | 1994 allocs/op |
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| BenchmarkGowwwRouter_GithubAll | 10000 | 143025 ns/op | 72144 B/op | 501 allocs/op |
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| BenchmarkHttpRouter_GithubAll | 55938 | 21360 ns/op | 0 B/op | 0 allocs/op |
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| BenchmarkHttpTreeMux_GithubAll | 10000 | 153944 ns/op | 65856 B/op | 671 allocs/op |
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| BenchmarkKocha_GithubAll | 10000 | 106315 ns/op | 23304 B/op | 843 allocs/op |
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| BenchmarkLARS_GithubAll | 47779 | 25084 ns/op | 0 B/op | 0 allocs/op |
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| BenchmarkMacaron_GithubAll | 3266 | 371907 ns/op | 149409 B/op | 1624 allocs/op |
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| BenchmarkMartini_GithubAll | 331 | 3444706 ns/op | 226551 B/op | 2325 allocs/op |
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| BenchmarkPat_GithubAll | 273 | 4381818 ns/op | 1483152 B/op | 26963 allocs/op |
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| BenchmarkPossum_GithubAll | 10000 | 164367 ns/op | 84448 B/op | 609 allocs/op |
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| BenchmarkR2router_GithubAll | 10000 | 160220 ns/op | 77328 B/op | 979 allocs/op |
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| BenchmarkRivet_GithubAll | 14625 | 82453 ns/op | 16272 B/op | 167 allocs/op |
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| BenchmarkTango_GithubAll | 6255 | 279611 ns/op | 63826 B/op | 1618 allocs/op |
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| BenchmarkTigerTonic_GithubAll | 2008 | 687874 ns/op | 193856 B/op | 4474 allocs/op |
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| BenchmarkTraffic_GithubAll | 355 | 3478508 ns/op | 820744 B/op | 14114 allocs/op |
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| BenchmarkVulcan_GithubAll | 6885 | 193333 ns/op | 19894 B/op | 609 allocs/op |
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- (1): Total Repetitions achieved in constant time, higher means more confident result
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- (2): Single Repetition Duration (ns/op), lower is better
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- (3): Heap Memory (B/op), lower is better
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- (4): Average Allocations per Repetition (allocs/op), lower is better
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## Middlewares
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You can find many useful Gin middlewares at [gin-contrib](https://github.com/gin-contrib).
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## Users
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Awesome project lists using [Gin](https://github.com/gin-gonic/gin) web framework.
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* [gorush](https://github.com/appleboy/gorush): A push notification server written in Go.
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* [fnproject](https://github.com/fnproject/fn): The container native, cloud agnostic serverless platform.
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* [photoprism](https://github.com/photoprism/photoprism): Personal photo management powered by Go and Google TensorFlow.
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* [lura](https://github.com/luraproject/lura): Ultra performant API Gateway with middlewares.
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* [picfit](https://github.com/thoas/picfit): An image resizing server written in Go.
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* [dkron](https://github.com/distribworks/dkron): Distributed, fault tolerant job scheduling system.
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## Contributing
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Gin is the work of hundreds of contributors. We appreciate your help!
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Please see [CONTRIBUTING](CONTRIBUTING.md) for details on submitting patches and the contribution workflow.
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