feat: able to delete account by self (#294)

* feat: support account deletion

* chore: update style

---------

Co-authored-by: JustSong <songquanpeng@foxmail.com>

controller/user.go

@@ -3,12 +3,13 @@ package controller
 import (
 	"encoding/json"
 	"fmt"
-	"github.com/gin-contrib/sessions"
-	"github.com/gin-gonic/gin"
 	"net/http"
 	"one-api/common"
 	"one-api/model"
 	"strconv"
+
+	"github.com/gin-contrib/sessions"
+	"github.com/gin-gonic/gin"
 )
 
 type LoginRequest struct {
@@ -477,6 +478,16 @@ func DeleteUser(c *gin.Context) {
 
 func DeleteSelf(c *gin.Context) {
 	id := c.GetInt("id")
+	user, _ := model.GetUserById(id, false)
+
+	if user.Role == common.RoleRootUser {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": "不能删除超级管理员账户",
+		})
+		return
+	}
+
 	err := model.DeleteUserById(id)
 	if err != nil {
 		c.JSON(http.StatusOK, gin.H{