我已经在Go使用该Gin框架时构建了一个 API。我在 API 中有一条路线,可以让用户使用id. 但现在我也想通过用户名获取用户。所以我尝试了与让用户使用id. 但它在编译期间给了我一个错误。你们能告诉我我该怎么做吗?谢谢你。路线 -grp.GET("/users", controllers.GetUsers)grp.GET("/users/:id", controllers.GetUser)grp.GET("/users/:username", controllers.GetUserByUsername) //error - panic: ':username' in new path '/users/:username' conflicts with existing wildcard ':id' in existing prefix '/users/:id'grp.POST("/users", controllers.CreateUser)grp.PATCH("/users/:id", controllers.UpdateUser)grp.DELETE("/users/:id", controllers.DeleteUser)控制器 -func GetUser(c *gin.Context) { paramID := c.Params.ByName("id") ctx := context.Background() sa := option.WithCredentialsFile(firestoreFilePath) app, err := firebase.NewApp(ctx, nil, sa) if err != nil { log.Fatalln(err) } client, err := app.Firestore(ctx) if err != nil { log.Fatalln(err) } defer client.Close() dsnap, err := client.Collection("users").Doc(paramID).Get(ctx) if err != nil { fmt.Print(err) c.IndentedJSON(http.StatusNotFound, gin.H{ "message": "User not found", }) return } m := dsnap.Data() c.IndentedJSON(http.StatusNotFound, gin.H{ "User": m, "message": "User returned successfully", })}API 响应 -[ { "id": 1, "name": "Leanne Graham", "username": "Bret", "email": "Sincere@april.biz", }, { "id": 2, "name": "Ervin Howell", "username": "Antonette", "email": "Shanna@melissa.tv", }, { "id": 3, "name": "Clementine Bauch", "username": "Samantha", "email": "Nathan@yesenia.net", }]
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TA贡献1869条经验 获得超4个赞
这是杜松子酒的一个已知限制。您必须使所有路径都独一无二。就像添加如下前缀一样:
grp.GET("/users/username/:username", controllers.GetUserByUsername)
有关此问题线程的更多信息: https ://github.com/gin-gonic/gin/issues/1301
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