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gaoxq
2026-02-16 22:30:48 +08:00
parent c90c1a22ad
commit ba33c6abf1
1 changed files with 22 additions and 18 deletions
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40
web-api/src/main/java/com/jeesite/modules/biz/web/BizFoldersController.java
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@@ -10,6 +10,8 @@ import java.util.stream.Collectors;
import com.jeesite.modules.app.dao.file.FolderItem;
import com.jeesite.modules.app.utils.MyUtils;
import com.jeesite.modules.app.utils.vDate;
import com.jeesite.modules.sys.entity.User;
import com.jeesite.modules.sys.utils.UserUtils;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
@@ -162,6 +164,7 @@ public class BizFoldersController extends BaseController {
@RequestMapping(value = "foldersAll")
@ResponseBody
public List<Map<String, Object>> foldersAll(BizFolders bizFolders) {
User user = UserUtils.getUser();
// 构建根节点
List<Map<String, Object>> treeData = new ArrayList<>();
Map<String, Object> rootNode = new HashMap<>();
@@ -171,12 +174,13 @@ public class BizFoldersController extends BaseController {
// 1. 一次性查询所有未删除的文件夹
BizFolders query = new BizFolders();
query.setIsDeleted(0);
query.setLoginCode(user.getLoginCode());
List<BizFolders> allFolders = bizFoldersService.findList(query);
// 2. 按parentId分组，构建映射Map
Map<String, List<BizFolders>> folderMap = allFolders.stream()
.collect(Collectors.groupingBy(BizFolders::getParentId, Collectors.toList()));
// 3. 递归构建树形结构的核心逻辑（内部递归方法）
Function<String, List<Map<String, Object>>> buildTree = new Function<String, List<Map<String, Object>>>() {
Function<String, List<Map<String, Object>>> buildTree = new Function<>() {
@Override
public List<Map<String, Object>> apply(String parentId) {
List<Map<String, Object>> nodeList = new ArrayList<>();
@@ -191,6 +195,7 @@ public class BizFoldersController extends BaseController {
}
return nodeList;
}
// 辅助方法：根据folderId获取文件夹名称
private String getFolderNameById(Map<String, List<BizFolders>> folderMap, String folderId) {
for (List<BizFolders> folders : folderMap.values()) {
@@ -213,6 +218,7 @@ public class BizFoldersController extends BaseController {
@RequestMapping(value = "treeData")
@ResponseBody
public List<Map<String, Object>> treeFoldersData(BizFolders bizFolders) {
User user = UserUtils.getUser();
// 1. 构建根节点
List<Map<String, Object>> treeData = new ArrayList<>();
Map<String, Object> rootNode = new HashMap<>();
@@ -222,30 +228,28 @@ public class BizFoldersController extends BaseController {
// 2. 一次性查询所有未删除的文件夹（仅1次数据库查询）
BizFolders query = new BizFolders();
query.setIsDeleted(0);
query.setLoginCode(user.getLoginCode());
List<BizFolders> allFolders = bizFoldersService.findList(query);
// 3. 按parentId分组，快速查找子节点
Map<String, List<BizFolders>> folderMap = allFolders.stream()
.collect(Collectors.groupingBy(BizFolders::getParentId, Collectors.toList()));
final List<java.util.function.BiFunction<String, Integer, List<Map<String, Object>>>> recursiveHolder = new ArrayList<>();
// 匿名内部类实现递归逻辑（BiFunction：入参parentId+level，出参节点列表）
java.util.function.BiFunction<String, Integer, List<Map<String, Object>>> buildTree = new java.util.function.BiFunction<String, Integer, List<Map<String, Object>>>() {
@Override
public List<Map<String, Object>> apply(String parentId, Integer level) {
List<Map<String, Object>> nodeList = new ArrayList<>();
// 空值保护：获取当前父ID下的子文件夹
List<BizFolders> childFolders = folderMap.getOrDefault(parentId, new ArrayList<>());
for (BizFolders folder : childFolders) {
// 原业务逻辑：四级节点特殊处理，其他传false
boolean flag = level == 4 ? "add".equals(bizFolders.getDescription()) : false;
Map<String, Object> node = MyUtils.convertToTreeNode(folder, flag);
// 递归调用自身（通过holder获取）
List<Map<String, Object>> children = recursiveHolder.get(0).apply(folder.getFolderId(), level + 1);
// 无子节点时设为空列表（和原代码一致）
node.put("children", children.isEmpty() ? new ArrayList<>() : children);
nodeList.add(node);
}
return nodeList;
java.util.function.BiFunction<String, Integer, List<Map<String, Object>>> buildTree = (parentId, level) -> {
List<Map<String, Object>> nodeList = new ArrayList<>();
// 空值保护：获取当前父ID下的子文件夹
List<BizFolders> childFolders = folderMap.getOrDefault(parentId, new ArrayList<>());
for (BizFolders folder : childFolders) {
// 原业务逻辑：四级节点特殊处理，其他传false
boolean flag = level == 4 ? "add".equals(bizFolders.getDescription()) : false;
Map<String, Object> node = MyUtils.convertToTreeNode(folder, flag);
// 递归调用自身（通过holder获取）
List<Map<String, Object>> children = recursiveHolder.get(0).apply(folder.getFolderId(), level + 1);
// 无子节点时设为空列表（和原代码一致）
node.put("children", children.isEmpty() ? new ArrayList<>() : children);
nodeList.add(node);
}
return nodeList;
};
// 将递归逻辑放入holder，供内部调用