Go framework learning roadmap: Preliminary knowledge: Go basic knowledge Terminal operation HTTP and RESTful API Introductory stage: Select a framework (such as Gin) Establish project structure Processing HTTP path Intermediate stage: Use template engine to perform error handling using middleware Advanced stage :Use ORM (such as GORM) to interact with the database to process parallel processing Use test framework Practical cases: Build RESTful APIs, Web services and enterprise-level applications
Go Framework Learning Roadmap
Introduction
Go is a popular high-performance programming language that provides the tools to build robust and maintainable web applications. Powerful framework. This article will outline a learning roadmap for the Go framework, covering everything from basics to advanced topics.
Preliminary knowledge
Before you start learning the Go framework, make sure you master the following basic knowledge:
Phase 1: Getting Started
Choose a framework: Choose a framework that is popular and suitable for your project, such as Gin, Echo or Buffalo.
go get github.com/gin-gonic/gin
Create project structure: Set up a standard project structure, including routers, controllers and models.
package main import ( "fmt" "github.com/gin-gonic/gin" ) func main() { router := gin.Default() router.GET("/", func(c *gin.Context) { c.String(200, "Hello, world!") }) router.Run(":8080") }
Handling HTTP Routing: Learn how to register and handle HTTP requests and responses.
router.GET("/users", func(c *gin.Context) { users := []string{"Alice", "Bob", "Charlie"} c.JSON(200, users) })
Stage 2: Intermediate
Using Templates:Learn how to use the template engine (such as HTML/Template) render dynamic pages.
package main import ( "fmt" "html/template" "net/http" ) var tmpl = template.Must(template.ParseFiles("templates/index.html")) func main() { http.HandleFunc("/", indexHandler) http.ListenAndServe(":8080", nil) } func indexHandler(w http.ResponseWriter, r *http.Request) { users := []string{"Alice", "Bob", "Charlie"} if err := tmpl.Execute(w, users); err != nil { http.Error(w, "Internal Server Error", http.StatusInternalServerError) } }
Using Middleware: Learn how to write and use middleware to handle various stages of requests and responses.
package main import ( "github.com/gin-gonic/gin" ) func main() { router := gin.Default() router.Use(func(c *gin.Context) { fmt.Println("Before request") c.Next() fmt.Println("After request") }) router.GET("/", func(c *gin.Context) { c.String(200, "Hello, world!") }) router.Run(":8080") }
Phase 3: Advanced
Using ORM: Learn how to use an object-relational mapper such as GORM) to interact with the database.
package main import ( "fmt" "github.com/jinzhu/gorm" _ "github.com/jinzhu/gorm/dialects/sqlite" ) type User struct { ID int Name string } func main() { db, err := gorm.Open("sqlite3", "database.db") if err != nil { fmt.Println(err) return } db.AutoMigrate(&User{}) user := &User{Name: "John"} db.Create(user) }
Practical Cases
The following are some practical cases of using the Go framework to build applications:
Conclusion
Mastering the Go framework learning roadmap requires an investment of time and effort. By following the steps outlined in this article, you'll be able to build robust, scalable, and maintainable web applications.
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