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@@ -7,6 +7,7 @@ import org.springframework.stereotype.Service;
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import java.util.ArrayList;
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import java.util.List;
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+import java.util.stream.Collectors;
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@Service
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public class ProductLevelService {
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@@ -101,25 +102,42 @@ public class ProductLevelService {
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return list;
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}
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+ /**
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+ * 获取目录上的所有id
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+ */
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public List<Long> getAllIds(long id) {
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+ List<ProductLevel> ls = productLevelDao.getList();
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+ ProductLevel productLevel = null;
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+ for (ProductLevel p : ls) {
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+ if (p.getId() == id) {
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+ productLevel = p;
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+ }
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+ }
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+ List<ProductLevel> list = new ArrayList<>();
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+ getMaximumParent(list, ls, productLevel);
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+ list.add(productLevel);
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+
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List<Long> ids = new ArrayList<>();
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- ProductLevel productLevel = this.get(id);
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- getIds(ids, productLevel);
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- ids.add(id);
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+ list.forEach(ll -> ids.add(ll.getId()));
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return ids;
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}
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/**
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- * 获取目录下的所有id
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+ * 根据当前目录获取根目录
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*/
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- private void getIds(List<Long> ids, ProductLevel productLevel) {
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- List<ProductLevel> children = productLevel.getChildren();
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- if (children.size() > 0) {
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- for (ProductLevel p : children) {
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- ids.add(p.getId());
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- getIds(ids, p);
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- }
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+ public ProductLevel getMaximumParent(List<ProductLevel> list, List<ProductLevel> deptAll, ProductLevel deptChild) {
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+ ProductLevel dept = null;
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+ long parentId = deptChild.getParentId();
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+ if (parentId == -1) {
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+ dept = deptChild;
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+ } else {
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+ List<ProductLevel> parent = deptAll.stream().filter(item -> item.getId() == parentId).collect(Collectors.toList());
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+ list.addAll(parent);
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+ ProductLevel maximumParent = getMaximumParent(list, deptAll, parent.get(0));
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+ dept = maximumParent;
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}
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+ return dept;
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}
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+
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}
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