Industry standard for golang framework

Industry standards for Go frameworks include: Gin: lightweight and high-performance web framework. Echo: Fast, scalable and flexible web framework with RESTful API capabilities. GORM: A modern ORM (Object-Relational Mapping) framework for Go.

The industry standard for Go framework

In the world of Go, choosing the right framework is crucial to building robust and maintainable applications. It's important. This article will explore several industry-standard frameworks in Go and illustrate their advantages through practical examples.

Gin Framework

Introduction: Gin is a lightweight, high-performance web framework known for its simplicity, speed and ease of use.

Practical case: Create a simple HTTP server:

package main

import (
    "fmt"
    "net/http"

    "github.com/gin-gonic/gin"
)

func main() {
    r := gin.Default()

    r.GET("/", func(c *gin.Context) {
        c.JSON(http.StatusOK, gin.H{"message": "Hello, world!"})
    })

    if err := r.Run(); err != nil {
        fmt.Println(err)
    }
}

Echo framework

Introduction: Echo is a fast, Extensible and flexible web framework with RESTful API, middleware, templates and more.

Practical case: Writing a RESTful API using Echo:

package main

import (
    "github.com/labstack/echo"
)

func main() {
    e := echo.New()

    e.GET("/users", func(c echo.Context) error {
        return c.JSON(http.StatusOK, map[string]string{"name": "John", "age": "30"})
    })

    e.POST("/users", func(c echo.Context) error {
        // 获取 POST body 中的数据并处理
        return c.NoContent(http.StatusCreated)
    })

    e.Logger.Fatal(e.Start(":8080"))
}

GORM framework

Introduction: GORM is a framework for Go's modern ORM (Object-Relational Mapping) framework, which provides a high level of abstraction for database operations.

Practical case: Use GORM to connect to the database model:

package main

import (
    "fmt"
    "log"

    "github.com/jinzhu/gorm"
    _ "github.com/jinzhu/gorm/dialects/mysql" // mysql 数据库驱动
)

type User struct {
    ID   uint   `gorm:"primary_key"`
    Name string `gorm:"type:varchar(30)"`
    Age  int    `gorm:"default:0"`
}

func main() {
    db, err := gorm.Open("mysql", "user:password@/db-name")
    if err != nil {
        log.Fatal(err)
    }
    defer db.Close()

    db.AutoMigrate(&User{})

    user := &User{Name: "John", Age: 30}
    if err := db.Create(user).Error; err != nil {
        log.Fatal(err)
    }

    fmt.Println("User successfully created")
}

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