golang框架在移动开发中的实战案例分析

package main

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

func main() {
    r := gin.Default()
    r.GET("/users", getUsers)
    r.POST("/users", createUser)
    r.PUT("/users/:id", updateUser)
    r.DELETE("/users/:id", deleteUser)
    r.Run()
}

func getUsers(c *gin.Context) {
    c.JSON(200, []User{})
}

func createUser(c *gin.Context) {
    var user User
    if err := c.BindJSON(&user); err != nil {
        c.JSON(400, gin.H{"error": err.Error()})
        return
    }
    // ... 将用户插入数据库
    c.JSON(201, user)
}

func updateUser(c *gin.Context) {
    // ... 获取用户 ID 和更新数据
    c.JSON(200, user)
}

func deleteUser(c *gin.Context) {
    // ... 根据用户 ID 删除用户
    c.JSON(204, nil)
}

type User struct {
    ID        uint64    `gorm:"primary_key;auto_increment"`
    Username  string    `gorm:"unique;not null"`
    Password  []byte    `gorm:"not null"`
    CreatedAt time.Time `gorm:"default:CURRENT_TIMESTAMP"`
    UpdatedAt time.Time `gorm:"default:CURRENT_TIMESTAMP"`
}

package main

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

func main() {
    e := echo.New()
    e.POST("/send-notifications", sendNotifications)
    e.POST("/process-payments", processPayments)
    e.Logger.Fatal(e.Start(":8080"))
}

func sendNotifications(c echo.Context) error {
    // ... 发送通知
    return c.NoContent(204)
}

func processPayments(c echo.Context) error {
    // ... 处理 payments
    return c.JSON(200, nil)
}