275 lines
11 KiB
C#
275 lines
11 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Data;
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using WeiSha.Common;
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using Song.Entities;
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using WeiSha.Data;
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using Song.ServiceInterfaces;
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using System.Data.Common;
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using System.Xml;
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namespace Song.ServiceImpls
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{
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public class ColumnsCom : IColumns
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{
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public int Add(Song.Entities.Columns entity)
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{
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entity.Col_CrtTime = DateTime.Now;
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//如果没有排序号，则自动计算
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if (entity.Col_Tax < 1)
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{
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object obj = Gateway.Default.Max<Columns>( Columns._.Col_Tax,Columns._.Col_PID == entity.Col_PID);
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entity.Col_Tax = obj is int ? (int)obj + 1 : 0;
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}
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Song.Entities.Organization org = Business.Do<IOrganization>().OrganCurrent();
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if (org != null)
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{
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entity.Org_ID = org.Org_ID;
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entity.Org_Name = org.Org_Name;
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}
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return Gateway.Default.Save<Columns>(entity);
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}
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public void Save(Song.Entities.Columns entity)
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{
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using (DbTrans trans = Gateway.Default.BeginTrans())
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{
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try
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{
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trans.Save<Columns>(entity);
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//新闻，产品，图片，视频，下载
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trans.Update<Article>(new Field[] { Article._.Col_Name }, new object[] { entity.Col_Name }, Article._.Col_Id == entity.Col_ID);
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trans.Update<Product>(new Field[] { Product._.Col_Name }, new object[] { entity.Col_Name }, Product._.Col_Id == entity.Col_ID);
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trans.Update<Picture>(new Field[] { Picture._.Col_Name }, new object[] { entity.Col_Name }, Picture._.Col_Id == entity.Col_ID);
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trans.Update<Video>(new Field[] { Video._.Col_Name }, new object[] { entity.Col_Name }, Video._.Col_Id == entity.Col_ID);
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trans.Update<Download>(new Field[] { Download._.Col_Name }, new object[] { entity.Col_Name }, Download._.Col_Id == entity.Col_ID);
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trans.Commit();
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}
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catch (Exception ex)
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{
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trans.Rollback();
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throw ex;
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}
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finally
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{
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trans.Close();
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}
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}
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}
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public void SaveOrder(string xml)
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{
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using (DbTrans tran = Gateway.Default.BeginTrans())
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{
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try
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{
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XmlDocument resXml = new XmlDocument();
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resXml.XmlResolver = null;
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resXml.LoadXml(xml, false);
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XmlNodeList nodeList = resXml.SelectSingleNode("nodes").ChildNodes;
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//取rootid
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XmlNode nodes = resXml.SelectSingleNode("nodes");
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XmlElement xenodes = (XmlElement)nodes;
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//遍历所有子节点
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foreach (XmlNode xn in nodeList)
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{
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XmlElement xe = (XmlElement)xn;
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int id = Convert.ToInt32(xe.Attributes["id"].Value);
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int pid = Convert.ToInt32(xe.Attributes["pid"].Value);
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int tax = Convert.ToInt32(xe.Attributes["tax"].Value);
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Song.Entities.Columns nc = this.Single(id);
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if (nc != null)
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{
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nc.Col_PID = pid;
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nc.Col_Tax = tax;
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tran.Save<Columns>(nc);
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}
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}
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tran.Commit();
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}
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catch (Exception ex)
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{
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tran.Rollback();
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throw ex;
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}
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finally
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{
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tran.Close();
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}
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}
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}
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public void Delete(int identify)
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{
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Columns[] child = this.Children(identify, null);
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foreach (Columns n in child)
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Delete(n.Col_ID);
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Columns col = Gateway.Default.From<Columns>().Where(Columns._.Col_ID == identify).ToFirst<Columns>();
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using (DbTrans tran = Gateway.Default.BeginTrans())
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{
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try
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{
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//如果是新闻栏目，则删除所有新闻
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if (col.Col_Type == "News") Business.Do<IContents>().ArticleDeleteAll(-1, identify);
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if (col.Col_Type == "Product") Business.Do<IContents>().ProductDeleteAll(-1, identify); //删除当前栏目下的产品
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if (col.Col_Type == "Picture") Business.Do<IContents>().PictureDeleteAll(-1, identify); //删除图片
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if (col.Col_Type == "Video") Business.Do<IContents>().VideoDeleteAll(-1, identify); //删除视频
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if (col.Col_Type == "Download") Business.Do<IContents>().DownloadDeleteAll(-1, identify); //删除下载资料
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if (col.Col_Type == "Article") Business.Do<IContents>().ArticleDeleteAll(-1, identify);
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tran.Delete<Columns>(Columns._.Col_ID == identify);
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tran.Commit();
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}
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catch (Exception ex)
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{
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tran.Rollback();
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throw ex;
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}
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finally
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{
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tran.Close();
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}
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}
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}
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public Song.Entities.Columns Single(int identify)
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{
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return Gateway.Default.From<Columns>().Where(Columns._.Col_ID == identify).ToFirst<Columns>();
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}
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public Song.Entities.Columns[] All(int orgid, bool? isUse)
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{
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WhereClip wc = new WhereClip();
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if (orgid > 0) wc.And(Columns._.Org_ID == orgid);
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if (isUse != null) wc.And(Columns._.Col_IsUse == (bool)isUse);
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return Gateway.Default.From<Columns>().Where(wc).OrderBy(Columns._.Col_Tax.Asc).ToArray<Columns>();
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}
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public Columns[] ColumnCount(int orgid, string type, bool? isUse, int count)
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{
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return ColumnCount(orgid, -1, type, isUse, count);
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}
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public Columns[] ColumnCount(int orgid, int pid, string type, bool? isUse, int count)
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{
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WhereClip wc = new WhereClip();
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if (orgid > 0) wc.And(Columns._.Org_ID == orgid);
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if (pid >= 0) wc.And(Columns._.Col_PID == pid);
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if (isUse != null) wc.And(Columns._.Col_IsUse == (bool)isUse);
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if (type != null && type.Length > 0)
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{
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type = System.Threading.Thread.CurrentThread.CurrentCulture.TextInfo.ToTitleCase(type.ToLower());
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wc.And(Columns._.Col_Type == type);
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}
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return Gateway.Default.From<Columns>().Where(wc).OrderBy(Columns._.Col_Tax.Asc).ToArray<Columns>(count);
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}
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public Song.Entities.Columns[] Children(int pid, bool? isUse)
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{
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WhereClip wc = Columns._.Col_PID == pid;
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if (isUse != null) wc.And(Columns._.Col_IsUse == (bool)isUse);
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return Gateway.Default.From<Columns>().Where(wc).OrderBy(Columns._.Col_Tax.Asc).ToArray<Columns>();
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}
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/// <summary>
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/// 是否有下级栏目
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/// </summary>
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/// <param name="pid"></param>
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/// <param name="isUse"></param>
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/// <returns></returns>
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public bool IsChildren(int pid, bool? isUse)
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{
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WhereClip wc = Columns._.Col_PID == pid;
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if (isUse != null) wc.And(Columns._.Col_IsUse == (bool)isUse);
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int count = Gateway.Default.Count<Columns>(wc);
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return count > 0;
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}
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/// <summary>
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/// 当前分类下的所有子分类id
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/// </summary>
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/// <param name="id"></param>
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/// <returns></returns>
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public List<int> TreeID(int id)
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{
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List<int> list = new List<int>();
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list.Add(id);
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Columns[] ols = Gateway.Default.From<Columns>().Where(Columns._.Col_PID == id).ToArray<Columns>();
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foreach (Columns o in ols)
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{
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List<int> tm = TreeID(o.Col_ID);
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foreach (int t in tm)
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list.Add(t);
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}
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return list;
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}
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public bool RemoveUp(int orgid, int id)
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{
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//当前对象
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Columns current = Gateway.Default.From<Columns>().Where(Columns._.Col_ID == id).ToFirst<Columns>();
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int tax = (int)current.Col_Tax;
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//上一个对象，即兄长对象；兄长不存则直接返回false;
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Columns prev = Gateway.Default.From<Columns>()
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.Where(Columns._.Col_Tax < tax && Columns._.Col_PID == current.Col_PID && Columns._.Org_ID == orgid)
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.OrderBy(Columns._.Col_Tax.Desc).ToFirst<Columns>();
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if (prev == null) return false;
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//交换排序号
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current.Col_Tax = prev.Col_Tax;
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prev.Col_Tax = tax;
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using (DbTrans tran = Gateway.Default.BeginTrans())
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{
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try
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{
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tran.Save<Columns>(current);
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tran.Save<Columns>(prev);
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tran.Commit();
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return true;
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}
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catch
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{
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tran.Rollback();
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throw;
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}
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finally
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{
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tran.Close();
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}
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}
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}
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public bool RemoveDown(int orgid, int id)
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{
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//当前对象
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Columns current = Gateway.Default.From<Columns>().Where(Columns._.Col_ID == id).ToFirst<Columns>();
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int tax = (int)current.Col_Tax;
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//下一个对象，即弟弟对象；弟弟不存则直接返回false;
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Columns next = Gateway.Default.From<Columns>()
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.Where(Columns._.Col_Tax > tax && Columns._.Col_PID == current.Col_PID && Columns._.Org_ID == orgid)
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.OrderBy(Columns._.Col_Tax.Asc).ToFirst<Columns>();
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if (next == null) return false;
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//交换排序号
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current.Col_Tax = next.Col_Tax;
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next.Col_Tax = tax;
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using (DbTrans tran = Gateway.Default.BeginTrans())
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{
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try
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{
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tran.Save<Columns>(current);
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tran.Save<Columns>(next);
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tran.Commit();
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return true;
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}
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catch
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{
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tran.Rollback();
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throw;
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}
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finally
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{
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tran.Close();
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}
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}
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}
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}
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}
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