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update 标签管理-树形查询

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lijiarao
2023-08-25 10:34:56 +08:00
parent c7743f9abb
commit 7809a7c4e5
2 changed files with 24 additions and 3 deletions
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jero-boot-module-system/src/main/java/com/jero/modules/system/controller/SysDictItemController.java
+21 -2
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@@ -5,10 +5,14 @@ import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import javax.servlet.http.HttpServletRequest;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollStreamUtil;
import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.collection.ListUtil;
import cn.hutool.core.lang.tree.Tree;
import cn.hutool.core.lang.tree.TreeNodeConfig;
import cn.hutool.core.lang.tree.TreeUtil;
@@ -92,26 +96,41 @@ public class SysDictItemController {
HttpServletRequest req) {
QueryWrapper<SysDictItem> queryWrapper = QueryGenerator.initQueryWrapper(sysDictItem, req.getParameterMap());
List<SysDictItem> sysDictItems = sysDictItemService.list(queryWrapper);
//当查询结果中有数据的父级不存在时，赋值父级id为"0"
List<String> idList = sysDictItems.stream().map(SysDictItem::getId).collect(Collectors.toList());
//保存数据中的父级id
Map<String, String> map1 = CollStreamUtil.toMap(sysDictItems, SysDictItem::getId, SysDictItem::getParentId);
idList.add("0");
sysDictItems.forEach(i ->{
if (!idList.contains(i.getParentId())) {
i.setParentId("0");
}
});
//配置
TreeNodeConfig treeNodeConfig = new TreeNodeConfig();
// 自定义属性名 都要默认值的
treeNodeConfig.setWeightKey("sortOrder");
treeNodeConfig.setIdKey("id");
treeNodeConfig.setParentIdKey("pId");
// 最大递归深度
treeNodeConfig.setDeep(-1);
//转换器
List<Tree<String>> treeNodes = TreeUtil.build(sysDictItems, "0", treeNodeConfig,
(treeNode, tree) -> {
tree.setId(treeNode.getId());
String id = treeNode.getId();
tree.setId(id);
tree.setParentId(treeNode.getParentId());
tree.setWeight(treeNode.getSortOrder());
tree.setName(treeNode.getItemText());
// 扩展属性 ...
Map<String, Object> map = BeanUtil.beanToMap(treeNode);
Map<String, Object> map = BeanUtil.beanToMap(treeNode,"dictId","itemText","itemValue","enName","description","sortOrder","status");
for (String s : map.keySet()) {
tree.putExtra(s, map.get(s));
}
String parentId = map1.get(id);
tree.putExtra("parentId",parentId);
});
JSONArray jsonArray = JSONArray.parseArray(JSON.toJSONString(treeNodes,SerializerFeature.WriteMapNullValue));
return Result.OK(jsonArray != null ? jsonArray : new JSONArray());
}