feat：完善项目管理

app/api/website/controller/navigation.go

@@ -0,0 +1,49 @@
+package controller
+
+import (
+	"SciencesServer/app/api/website/model"
+	model2 "SciencesServer/app/common/model"
+)
+
+type Navigation struct{}
+
+type NavigationHandle func() *Navigation
+
+type NavigationInfo struct {
+	Title    string            `json:"title"`
+	Link     string            `json:"link"`
+	Children []*NavigationInfo `json:"children"`
+}
+
+// tree 树状
+func (c *Navigation) tree(src []*model2.SysNavigation, parentID uint64) []*NavigationInfo {
+	out := make([]*NavigationInfo, 0)
+
+	for _, v := range src {
+		if v.ParentID == parentID {
+			out = append(out, &NavigationInfo{
+				Title:    v.Title,
+				Link:     v.Link,
+				Children: c.tree(src, v.ID),
+			})
+		}
+	}
+	return out
+}
+
+// Instance 导航栏信息
+func (c *Navigation) Instance() ([]*NavigationInfo, error) {
+	mSysNavigation := model.NewSysNavigation()
+	out, err := mSysNavigation.Navigation()
+
+	if err != nil {
+		return nil, err
+	}
+	return c.tree(out, 0), nil
+}
+
+func NewNavigation() NavigationHandle {
+	return func() *Navigation {
+		return &Navigation{}
+	}
+}