Song.ServiceImpls/StyleCom.cs
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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using WeiSha.Common;
using Song.Entities;
using WeiSha.Data;
using Song.ServiceInterfaces;
using System.Data.Common;
namespace Song.ServiceImpls
{
public class StyleCom : IStyle
{
#region 导航管理
/// <summary>
/// 添加导航项目
/// </summary>
/// <param name="entity">业务实体</param>
public void NaviAdd(Navigation entity)
{
entity.Nav_CrtTime = DateTime.Now;
Song.Entities.Organization org = Business.Do<IOrganization>().OrganCurrent();
if (org != null)
{
entity.Org_ID = org.Org_ID;
entity.Org_Name = org.Org_Name;
}
//如果没有排序号,则自动计算
if (entity.Nav_Tax < 1)
{
object obj = Gateway.Default.Max<Navigation>(Navigation._.Nav_Tax,
Navigation._.Org_ID == entity.Org_ID && Navigation._.Nav_Site == entity.Nav_Site && Navigation._.Nav_Type == entity.Nav_Type && Navigation._.Nav_PID == entity.Nav_PID);
entity.Nav_Tax = obj is int ? (int)obj + 1 : 0;
}
Gateway.Default.Save<Navigation>(entity);
}
/// <summary>
/// 修改
/// </summary>
/// <param name="entity">业务实体</param>
public void NaviSave(Navigation entity)
{
//验证父级节点是否正常
if (entity.Nav_UID == entity.Nav_PID) throw new Exception("请勿将自身设置为父级");
if (entity.Nav_PID!="0" || entity.Nav_PID != "")
{
Navigation parent = this.NaviSingle(entity.Nav_PID);
while (entity.Nav_PID != "0" || entity.Nav_PID != "")
{
if (entity.Nav_UID == parent.Nav_PID) throw new Exception("请勿将自身的下级设置为父级");
parent = this.NaviSingle(parent.Nav_PID);
if (parent == null) break;
}
}
//假如当前导航的所在父级变化了,排序号重新生成
Navigation old = this.NaviSingle(entity.Nav_ID);
if (old != null && old.Nav_PID != entity.Nav_PID)
{
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