golang フレームワークの選択と比較

package main

import (
    "fmt"
    "github.com/gin-gonic/gin"
)

type User struct {
    ID   int
    Name string
}

var users []User

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

    // 创建用户
    router.POST("/users", createUser)

    // 获取所有用户
    router.GET("/users", getAllUsers)

    // 获取特定用户
    router.GET("/users/:id", getUserByID)

    // 更新用户
    router.PUT("/users/:id", updateUser)

    // 删除用户
    router.DELETE("/users/:id", deleteUser)

    router.Run(":8080")
}

// 创建用户
func createUser(c *gin.Context) {
    var user User
    if err := c.BindJSON(&user); err != nil {
        c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
        return
    }

    users = append(users, user)
    c.JSON(http.StatusCreated, user)
}

// 获取所有用户
func getAllUsers(c *gin.Context) {
    c.JSON(http.StatusOK, users)
}

// 获取特定用户
func getUserByID(c *gin.Context) {
    id := c.Param("id")
    for _, user := range users {
        if user.ID == id {
            c.JSON(http.StatusOK, user)
            return
        }
    }

    c.JSON(http.StatusNotFound, gin.H{"error": "User not found"})
}

// 更新用户
func updateUser(c *gin.Context) {
    id := c.Param("id")
    var user User
    if err := c.BindJSON(&user); err != nil {
        c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
        return
    }

    for i, u := range users {
        if u.ID == id {
            users[i] = user
            c.JSON(http.StatusOK, user)
            return
        }
    }

    c.JSON(http.StatusNotFound, gin.H{"error": "User not found"})
}

// 删除用户
func deleteUser(c *gin.Context) {
    id := c.Param("id")
    for i, u := range users {
        if u.ID == id {
            users = append(users[:i], users[i+1:]...)
            c.JSON(http.StatusOK, gin.H{"message": "User deleted"})
            return
        }
    }

    c.JSON(http.StatusNotFound, gin.H{"error": "User not found"})
}