添加项目文件。
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fuenmao
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// Copyright (c) 2022-Now 少林寺驻北固山办事处大神父王喇嘛
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//
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// SimpleAdmin 基于 Apache License Version 2.0 协议发布，可用于商业项目，但必须遵守以下补充条款:
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// 1.请不要删除和修改根目录下的LICENSE文件。
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// 2.请不要删除和修改SimpleAdmin源码头部的版权声明。
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// 3.分发源码时候，请注明软件出处 https://gitee.com/dotnetmoyu/SimpleAdmin
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// 4.基于本软件的作品，只能使用 SimpleAdmin 作为后台服务，除外情况不可商用且不允许二次分发或开源。
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// 5.请不得将本软件应用于危害国家安全、荣誉和利益的行为，不能以任何形式用于非法为目的的行为。
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// 6.任何基于本软件而产生的一切法律纠纷和责任，均于我司无关。
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namespace SimpleAdmin.System;
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/// <summary>
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/// <inheritdoc cref="IDictService"/>
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/// </summary>
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public class DictService : DbRepository<SysDict>, IDictService
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{
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private readonly ISimpleCacheService _simpleCacheService;
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public DictService(ISimpleCacheService simpleCacheService)
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{
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_simpleCacheService = simpleCacheService;
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}
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/// <inheritdoc />
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public async Task<SqlSugarPagedList<SysDict>> Page(DictPageInput input)
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{
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var query = Context.Queryable<SysDict>().Where(it => it.Category == input.Category)//根据分类查询
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.Where(it => it.ParentId == input.ParentId)//根据父ID查询
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.WhereIF(!string.IsNullOrEmpty(input.SearchKey),
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it => it.DictLabel.Contains(input.SearchKey) || it.DictValue.Contains(input.SearchKey))//根据关键字查询
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.OrderByIF(!string.IsNullOrEmpty(input.SortField), $"{input.SortField} {input.SortOrder}")
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.OrderBy(it => it.SortCode)//排序
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.OrderBy(it => it.CreateTime);//排序
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var pageInfo = await query.ToPagedListAsync(input.PageNum, input.PageSize);//分页
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return pageInfo;
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}
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/// <inheritdoc />
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public async Task Add(DictAddInput input)
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{
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await CheckInput(input);//检查参数
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var devDict = input.Adapt<SysDict>();//实体转换
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if (await InsertAsync(devDict))//插入数据
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await RefreshCache();//刷新缓存
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}
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/// <inheritdoc />
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public async Task Edit(DictAddInput input)
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{
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await CheckInput(input);//检查参数
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var devDict = input.Adapt<SysDict>();//实体转换
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if (await UpdateAsync(devDict))//更新数据
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await RefreshCache();//刷新缓存
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}
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/// <inheritdoc />
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public async Task Delete(DictDeleteInput input)
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{
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//获取所有ID
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var ids = input.Ids;
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if (ids.Count > 0)
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{
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//获取所有字典
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var dictList = await GetListAsync();
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//判断是否有系统字典
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var frm = dictList.Any(it => ids.Contains(it.Id) && it.Category == CateGoryConst.DICT_FRM);
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//如果是系统字典提示不可删除
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if (frm) throw Oops.Bah("不可删除系统内置字典");
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var deleteIds = new List<long>();//要删除的id列表
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deleteIds.AddRange(ids);//
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ids.ForEach(it =>
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{
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//获取子节点
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var children = GetDevDictChildren(dictList, it);
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//提取ID
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var childrenIds = children.Select(c => c.Id).ToList();
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deleteIds.AddRange(childrenIds);
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});
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//删除数据
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if (await DeleteByIdsAsync(deleteIds.Cast<object>().ToArray()))
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await RefreshCache();//刷新缓存
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}
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}
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/// <summary>
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/// 获取全部
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/// </summary>
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/// <returns></returns>
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public override async Task<List<SysDict>> GetListAsync()
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{
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//先从redis拿
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var sysDictList = _simpleCacheService.Get<List<SysDict>>(SystemConst.CACHE_DEV_DICT);
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if (sysDictList == null)
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{
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sysDictList = await base.GetListAsync();//去数据库拿
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if (sysDictList.Count > 0)
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{
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_simpleCacheService.Set(SystemConst.CACHE_DEV_DICT, sysDictList);//如果数据库有数,更新redis
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return sysDictList;
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}
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}
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return sysDictList;
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}
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/// <inheritdoc />
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public async Task<SysDict> GetDict(string dictValue)
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{
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var sysDictList = await GetListAsync();
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var devDict = sysDictList.Where(it => it.DictValue == dictValue).FirstOrDefault();
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return devDict;
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}
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/// <inheritdoc />
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public async Task<List<SysDict>> GetChildrenByDictValue(string dictValue)
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{
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var sysDictList = await GetListAsync();
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var devDict = sysDictList.Where(it => it.DictValue == dictValue).FirstOrDefault();
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if (devDict != null)
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{
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var children = GetDevDictChildren(sysDictList, devDict.Id);
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return children;
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}
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return new List<SysDict>();
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}
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/// <inheritdoc />
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public async Task<List<string>> GetValuesByDictValue(string dictValue, List<SysDict> devDictList = null)
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{
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var sysDictList = devDictList == null ? await GetListAsync() : devDictList;//获取全部
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var id = sysDictList.Where(it => it.DictValue == dictValue).Select(it => it.Id).FirstOrDefault();//根据value找到父节点
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if (id > 0)
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return sysDictList.Where(it => it.ParentId == id).Select(it => it.DictValue).ToList();//拿到字典值
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return new List<string>();
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}
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/// <inheritdoc />
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public async Task<Dictionary<string, List<string>>> GetValuesByDictValue(string[] dictValues)
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{
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var result = new Dictionary<string, List<string>>();
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var sysDictList = await GetListAsync();//获取全部
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foreach (var dictValue in dictValues)
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{
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var data = await GetValuesByDictValue(dictValue, sysDictList);
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result.Add(dictValue, data);
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}
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return result;
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}
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/// <inheritdoc />
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public async Task<List<SysDict>> Tree(DictTreeInput input)
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{
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var devList= await Context.Queryable<SysDict>()
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.WhereIF(!string.IsNullOrEmpty(input.Category), it => it.Category == input.Category)
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.WhereIF(!string.IsNullOrEmpty(input.DictValue), it => it.DictValue == input.DictValue)
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.OrderBy(it => it.SortCode)
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.ToListAsync();
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return ConstructResourceTrees(devList);
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}
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/// <inheritdoc />
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public List<SysDict> ConstructResourceTrees(List<SysDict> dictList, long parentId = 0)
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{
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//找下级字典ID列表
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var resources = dictList.Where(it => it.ParentId == parentId).OrderBy(it => it.SortCode).ToList();
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if (resources.Count > 0)//如果数量大于0
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{
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var data = new List<SysDict>();
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foreach (var item in resources)//遍历字典
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{
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item.Children = ConstructResourceTrees(dictList, item.Id);//添加子节点
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data.Add(item);//添加到列表
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}
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return data;//返回结果
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}
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return new List<SysDict>();
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}
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#region 方法
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/// <summary>
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/// 刷新缓存
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/// </summary>
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private async Task RefreshCache()
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{
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_simpleCacheService.Remove(SystemConst.CACHE_DEV_DICT);
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await GetListAsync();
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}
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/// <summary>
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/// 检查输入参数
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/// </summary>
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/// <param name="sysDict"></param>
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private async Task CheckInput(SysDict sysDict)
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{
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var dictList = await GetListAsync();//获取全部字典
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//判断是否从存在重复字典名
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var hasSameLabel = dictList.Any(it =>
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it.ParentId == sysDict.ParentId && it.Category == sysDict.Category && it.DictLabel == sysDict.DictLabel && it.Id != sysDict.Id);
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if (hasSameLabel)
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{
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throw Oops.Bah($"存在重复的字典名称:{sysDict.DictLabel}");
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}
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//判断是否存在重复字典值
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var hasSameValue = dictList.Any(it => it.ParentId == sysDict.ParentId && it.DictValue == sysDict.DictValue && it.Id != sysDict.Id);
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if (hasSameValue)
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{
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throw Oops.Bah($"存在重复的字典值:{sysDict.DictValue}");
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}
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}
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/// <summary>
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/// 获取字典所有下级
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/// </summary>
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/// <param name="dictList">字典列表</param>
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/// <param name="parentId">父ID</param>
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/// <returns></returns>
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public List<SysDict> GetDevDictChildren(List<SysDict> dictList, long parentId)
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{
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//找下级ID列表
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var dicts = dictList.Where(it => it.ParentId == parentId).ToList();
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if (dicts.Count > 0)//如果数量大于0
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{
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var data = new List<SysDict>();
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foreach (var item in dicts)//遍历机构
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{
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var devDictChildren = GetDevDictChildren(dictList, item.Id);
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data.AddRange(devDictChildren);//添加子节点);
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data.Add(item);////添加到列表
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}
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return data;//返回结果
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}
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return new List<SysDict>();
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}
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#endregion 方法
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}
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