gin.*Context.Setとgin.*Context.Getで、同一リクエストに限ったデータの受け渡しが可能。 ユーザー認証で使用する例 Middleware でユーザーを認証して、HandlerFunc で認証済みのユーザーを取得。 package main import "github.com/gin-gonic/gin" // Midleware func AuthRequired() gin.HandlerFunc { return func(c *gin.Context) { // Some authorization in Authorization user := Authorization() c.Set("AuthorizedUser", user) } } // HandlerFunc func GetProfile(c *gin.Context) { user
![Ginの Middleware と HandlerFunc でデータの受け渡し - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/1b012086fbe33dad5eafe24199da7ff98d5e024c/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk3MiZoPTM3OCZ0eHQ9R2luJUUzJTgxJUFFJTIwTWlkZGxld2FyZSUyMCVFMyU4MSVBOCUyMEhhbmRsZXJGdW5jJTIwJUUzJTgxJUE3JUUzJTgzJTg3JUUzJTgzJUJDJUUzJTgyJUJGJUUzJTgxJUFFJUU1JThGJTk3JUUzJTgxJTkxJUU2JUI4JUExJUUzJTgxJTk3JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9NTYmcz1mMDE1MjNkYjQ3ZmVmZGZkOTY4NDFhNWY5YmNmZWZmNg%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBub2Jva29iYSZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9MTA1ZDcyMDEyMDliYjk2MGNkNGY1MDhkNzk2OGUxMmY%26blend-x%3D142%26blend-y%3D436%26blend-mode%3Dnormal%26txt64%3DaW4g5qCq5byP5Lya56S-44Ki44Kv44K344K544Or44O844OI44Ob44O844Or44OH44Kj44Oz44Kw44K5%26txt-width%3D770%26txt-clip%3Dend%252Cellipsis%26txt-color%3D%2523212121%26txt-font%3DHiragino%2520Sans%2520W6%26txt-size%3D36%26txt-x%3D156%26txt-y%3D536%26s%3D582db21bb7cd791dc0ac89a291981550)