// 迭代栏目
func WalkCategory(cs []*sale.ValueCategory, v *sale.ValueCategory, start iterator.WalkFunc, over iterator.WalkFunc) {
var condition iterator.Condition = func(v, v1 interface{}) bool {
return v1.(*sale.ValueCategory).ParentId == v.(*sale.ValueCategory).Id
}
var arr []interface{} = make([]interface{}, len(cs))
for i, v := range cs {
arr[i] = v
}
iterator.Walk(arr, v, condition, start, over, 0)
}
// 获取子栏目
func (this *categoryRep) GetChildCategories(merchantId, categoryId int) sale.CategoryList {
var all []*sale.Category = this.GetCategories(merchantId)
var newArr []*sale.Category = []*sale.Category{}
var cdt iterator.Condition = func(v, v1 interface{}) bool {
return v1.(*sale.Category).ParentId == v.(*sale.Category).Id
}
var start iterator.WalkFunc = func(v interface{}, level int) {
c := v.(*sale.Category)
if c.Id != categoryId {
newArr = append(newArr, c)
}
}
var arr []interface{} = make([]interface{}, len(all))
for i, _ := range arr {
arr[i] = all[i]
}
iterator.Walk(arr, &sale.Category{Id: categoryId}, cdt, start, nil, 1)
return newArr
}