Recommended learning resources for the golang framework

Go framework learning resources include: official documentation, Udemy courses, GoByExample, Medium articles, and Stack Overflow. The practical steps for building a RESTful API using the Echo framework are: creating a project, installing the framework, instantiating the framework, registering routes, implementing processing functions, and running code. Learning the Go framework can improve development efficiency, and the resources and cases in this article provide guidance.

Recommended learning resources for the Golang framework

Foreword

Go language as a A modern and efficient programming language, especially suitable for developing high-concurrency and high-performance applications. When choosing a Go framework, you can save a lot of development time while improving code quality and stability.

Learning Resources

The following are some recommended resources for learning the Go framework:

1. Official Documentation

https://go.dev/

The official documentation is the basic resource for learning the Go language and framework. It contains comprehensive API reference, tutorials, and guides.

2. Udemy courses

https://www.udemy.com/topic/golang/

Udemy provides a large number of Go framework related courses Courses include basic introductions, specific frameworks, and advanced topics.

3. GoByExample

https://gobyexample.com/

This website provides a large number of Go language sample codes, including the use of frameworks . It's a convenient way to get started quickly.

4. Medium articles

https://medium.com/topic/go

There are many excellent Go-related articles on Medium, including Framework tutorials and best practices.

5. Stack Overflow

https://stackoverflow.com/questions/tagged/go

Stack Overflow is valuable when you encounter problems resource. Community members are constantly answering questions about the Go framework.

Practical case

Build a RESTful API using the Echo framework

• Create a new Go project:go mod init myapp
• Install the Echo framework:go get github.com/labstack/echo/v4

• Create an Echo instance:

  import (
    "github.com/labstack/echo/v4"
  )
  
  // main 创建一个 Echo 实例并注册路由
  func main() {
    e := echo.New()
    e.GET("/users", getAllUsers) // GET /users
    e.POST("/users", addUser) // POST /users
    e.Logger.Fatal(e.Start(":8080"))
  }

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• Implement route processing function:

  import (
    "fmt"
    "github.com/labstack/echo/v4"
  )
  
  // getAllUsers 获取所有用户
  func getAllUsers(c echo.Context) error {
    users := []string{"Alice", "Bob", "Charlie"}
    return c.JSON(http.StatusOK, users)
  }
  
  // addUser 添加一个用户
  func addUser(c echo.Context) error {
    type UserRequest struct {
        Name string `json:"name"`
    }
  
    req := new(UserRequest)
    if err := c.Bind(req); err != nil {
        return echo.ErrBadRequest
    }
  
    fmt.Println("添加新用户:", req.Name)
    return c.NoContent(http.StatusCreated)
  }

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After running the code, you can access the RESTful API at localhost:8080.

Conclusion

Learning the Go framework can greatly improve development efficiency. The learning resources and practical cases recommended in this article will help you get started quickly.

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