b010f82221
- 实现用户注册、登录、JWT令牌认证功能 - 集成Gin、GORM、Viper、Zap等框架 - 添加密码加密、数据库操作、中间件等完整功能 - 配置多环境支持、日志轮转、CORS处理 - 创建完整的项目结构和配置文件体系
115 lines
2.1 KiB
Go
115 lines
2.1 KiB
Go
package main
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import (
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"fmt"
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"github.com/gin-gonic/gin"
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"net/http"
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)
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// 用户结构体
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type User struct {
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ID int `json:"id"`
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Name string `json:"name" binding:"required"`
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Email string `json:"email" binding:"required,email"`
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}
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// 内存存储（实战应使用数据库）
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var users = []User{
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{ID: 1, Name: "Alice", Email: "alice@example.com"},
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{ID: 2, Name: "Bob", Email: "bob@example.com"},
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}
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var nextID = 3
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// 获取所有用户
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func listUsers(c *gin.Context) {
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c.JSON(http.StatusOK, users)
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}
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// 获取单个用户
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func getUser(c *gin.Context) {
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id := c.Param("id")
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for _, user := range users {
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if user.ID == intParam(id) {
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c.JSON(http.StatusOK, user)
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return
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}
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}
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c.JSON(http.StatusNotFound, gin.H{"error": "User not found"})
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}
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// 创建用户
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func createUser(c *gin.Context) {
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var user User
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if err := c.ShouldBindJSON(&user); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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user.ID = nextID
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nextID++
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users = append(users, user)
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c.JSON(http.StatusCreated, user)
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}
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// 更新用户
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func updateUser(c *gin.Context) {
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id := c.Param("id")
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var user User
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if err := c.ShouldBindJSON(&user); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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for i, u := range users {
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if u.ID == intParam(id) {
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user.ID = u.ID
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users[i] = user
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c.JSON(http.StatusOK, user)
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return
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}
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}
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c.JSON(http.StatusNotFound, gin.H{"error": "User not found"})
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}
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// 删除用户
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func deleteUser(c *gin.Context) {
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id := c.Param("id")
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for i, user := range users {
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if user.ID == intParam(id) {
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users = append(users[:i], users[i+1:]...)
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c.JSON(http.StatusNoContent, nil)
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return
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}
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}
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c.JSON(http.StatusNotFound, gin.H{"error": "User not found"})
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}
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// 辅助函数
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func intParam(s string) int {
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var i int
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fmt.Sscanf(s, "%d", &i)
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return i
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}
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func main() {
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gin.SetMode(gin.ReleaseMode)
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r := gin.Default()
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// API 分组
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api := r.Group("/api")
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{
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users := api.Group("/users")
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{
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users.GET("", listUsers)
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users.POST("", createUser)
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users.GET("/:id", getUser)
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users.PUT("/:id", updateUser)
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users.DELETE("/:id", deleteUser)
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}
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}
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r.Run(":9999")
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}
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