更新前后端代码

go/internal/controller/base.go

@@ -0,0 +1,71 @@
+package controller
+
+import (
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+
+	"filestoragesystem/internal/middleware"
+	"filestoragesystem/internal/service"
+	"filestoragesystem/internal/utils"
+)
+
+// Base 控制器基类
+type Base struct {
+	svc *service.Services
+}
+
+// NewBase 创建基类
+func NewBase(svc *service.Services) *Base { return &Base{svc: svc} }
+
+// opCtx 从请求上下文提取操作日志上下文
+func (b *Base) opCtx(c *gin.Context) *service.OpLogContext {
+	ctx := &service.OpLogContext{
+		IP:        utils.ClientIP(c),
+		UserAgent: c.GetHeader("User-Agent"),
+		Path:      c.Request.URL.Path,
+		Method:    c.Request.Method,
+		Username:  c.GetString(middleware.CtxUsername),
+	}
+	if uid := middleware.CurrentUserID(c); uid > 0 {
+		ctx.UserID = &uid
+	}
+	return ctx
+}
+
+// bindJSON 绑定JSON请求体
+func bindJSON(c *gin.Context, obj interface{}) bool {
+	if err := c.ShouldBindJSON(obj); err != nil {
+		utils.FailMsg(c, "参数错误: "+err.Error())
+		return false
+	}
+	return true
+}
+
+// paramID 解析路径参数ID
+func paramID(c *gin.Context) (uint, bool) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil || id == 0 {
+		utils.FailMsg(c, "无效的资源ID")
+		return 0, false
+	}
+	return uint(id), true
+}
+
+// parseUintQuery 解析整型query参数
+func parseUintQuery(c *gin.Context, key string) uint {
+	v, err := strconv.ParseUint(c.Query(key), 10, 64)
+	if err != nil {
+		return 0
+	}
+	return uint(v)
+}
+
+// parseIntQuery 解析整型query参数(可为负)
+func parseIntQuery(c *gin.Context, key string, def int) int {
+	n, err := strconv.Atoi(c.Query(key))
+	if err != nil {
+		return def
+	}
+	return n
+}