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384 righe
16 KiB
384 righe
16 KiB
using System;
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using System.Data;
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using System.Text;
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using System.Data.SqlClient;
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namespace Basic.DAL
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{
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/// <summary>
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/// 数据访问层nav
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/// </summary>
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public partial class nav
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{
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/// <summary>
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/// 增加一条数据
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/// </summary>
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public int Add(Basic.Model.nav model)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("insert into tb_nav(");
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strSql.Append("paixu,title,class_id,parent_id,class_list,class_layer,path,url,target,state,remark,seo_title,seo_keywords,seo_description,add_time)");
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strSql.Append(" values (");
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strSql.Append("@paixu,@title,@class_id,@parent_id,@class_list,@class_layer,@path,@url,@target,@state,@remark,@seo_title,@seo_keywords,@seo_description,@add_time)");
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strSql.Append(";select @@IDENTITY");
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SqlParameter[] parameters = {
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new SqlParameter("@paixu", SqlDbType.Int,10),
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new SqlParameter("@title", SqlDbType.NVarChar,255),
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new SqlParameter("@class_id", SqlDbType.Int,10),
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new SqlParameter("@parent_id", SqlDbType.Int,10),
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new SqlParameter("@class_list", SqlDbType.NVarChar,500),
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new SqlParameter("@class_layer", SqlDbType.Int,10),
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new SqlParameter("@path", SqlDbType.NVarChar,255),
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new SqlParameter("@url", SqlDbType.NVarChar,255),
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new SqlParameter("@target", SqlDbType.Int,10),
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new SqlParameter("@state", SqlDbType.Int,10),
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new SqlParameter("@remark", SqlDbType.NVarChar,500),
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new SqlParameter("@seo_title", SqlDbType.NVarChar,255),
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new SqlParameter("@seo_keywords", SqlDbType.NVarChar,255),
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new SqlParameter("@seo_description", SqlDbType.NVarChar,255),
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new SqlParameter("@add_time", SqlDbType.DateTime,23)};
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parameters[0].Value = model.paixu;
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parameters[1].Value = model.title;
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parameters[2].Value = model.class_id;
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parameters[3].Value = model.parent_id;
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parameters[4].Value = model.class_list;
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parameters[5].Value = model.class_layer;
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parameters[6].Value = model.path;
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parameters[7].Value = model.url;
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parameters[8].Value = model.target;
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parameters[9].Value = model.state;
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parameters[10].Value = model.remark;
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parameters[11].Value = model.seo_title;
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parameters[12].Value = model.seo_keywords;
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parameters[13].Value = model.seo_description;
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parameters[14].Value = model.add_time;
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object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
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if (obj == null)
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{
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return 0;
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}
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else
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{
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return Convert.ToInt32(obj);
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}
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}
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/// <summary>
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/// 更新一条数据
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/// </summary>
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public bool Update(Basic.Model.nav model)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("update tb_nav set ");
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strSql.Append("paixu=@paixu,");
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strSql.Append("title=@title,");
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strSql.Append("class_id=@class_id,");
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strSql.Append("parent_id=@parent_id,");
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strSql.Append("class_list=@class_list,");
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strSql.Append("class_layer=@class_layer,");
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strSql.Append("path=@path,");
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strSql.Append("url=@url,");
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strSql.Append("target=@target,");
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strSql.Append("state=@state,");
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strSql.Append("remark=@remark,");
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strSql.Append("seo_title=@seo_title,");
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strSql.Append("seo_keywords=@seo_keywords,");
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strSql.Append("seo_description=@seo_description,");
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strSql.Append("add_time=@add_time");
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strSql.Append(" where id=@id");
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SqlParameter[] parameters = {
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new SqlParameter("@paixu", SqlDbType.Int,10),
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new SqlParameter("@title", SqlDbType.NVarChar,255),
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new SqlParameter("@class_id", SqlDbType.Int,10),
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new SqlParameter("@parent_id", SqlDbType.Int,10),
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new SqlParameter("@class_list", SqlDbType.NVarChar,500),
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new SqlParameter("@class_layer", SqlDbType.Int,10),
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new SqlParameter("@path", SqlDbType.NVarChar,255),
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new SqlParameter("@url", SqlDbType.NVarChar,255),
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new SqlParameter("@target", SqlDbType.Int,10),
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new SqlParameter("@state", SqlDbType.Int,10),
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new SqlParameter("@remark", SqlDbType.NVarChar,500),
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new SqlParameter("@seo_title", SqlDbType.NVarChar,255),
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new SqlParameter("@seo_keywords", SqlDbType.NVarChar,255),
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new SqlParameter("@seo_description", SqlDbType.NVarChar,255),
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new SqlParameter("@add_time", SqlDbType.DateTime,23),
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new SqlParameter("@id", SqlDbType.Int,4)};
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parameters[0].Value = model.paixu;
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parameters[1].Value = model.title;
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parameters[2].Value = model.class_id;
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parameters[3].Value = model.parent_id;
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parameters[4].Value = model.class_list;
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parameters[5].Value = model.class_layer;
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parameters[6].Value = model.path;
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parameters[7].Value = model.url;
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parameters[8].Value = model.target;
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parameters[9].Value = model.state;
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parameters[10].Value = model.remark;
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parameters[11].Value = model.seo_title;
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parameters[12].Value = model.seo_keywords;
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parameters[13].Value = model.seo_description;
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parameters[14].Value = model.add_time;
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parameters[15].Value = model.id;
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int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
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if (rows > 0)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 删除一条数据
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/// </summary>
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public bool Delete(int id)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("delete from tb_nav");
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strSql.Append(" where id=@id");
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SqlParameter[] parameters = {
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new SqlParameter("@id", SqlDbType.Int,4)};
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parameters[0].Value = id;
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int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
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if (rows > 0)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 得到一个对象实体
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/// </summary>
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public Basic.Model.nav GetModel(int id)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select top 1 id,paixu,title,class_id,parent_id,class_list,class_layer,path,url,target,state,remark,seo_title,seo_keywords,seo_description,add_time from tb_nav");
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strSql.Append(" where id=@id");
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SqlParameter[] parameters = {
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new SqlParameter("@id", SqlDbType.Int,4)};
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parameters[0].Value = id;
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Basic.Model.nav model = new Basic.Model.nav();
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DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
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if (ds.Tables[0].Rows.Count > 0)
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{
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["id"].ToString()))
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{
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model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["paixu"].ToString()))
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{
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model.paixu = int.Parse(ds.Tables[0].Rows[0]["paixu"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["title"].ToString()))
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{
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model.title = ds.Tables[0].Rows[0]["title"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["class_id"].ToString()))
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{
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model.class_id = int.Parse(ds.Tables[0].Rows[0]["class_id"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["parent_id"].ToString()))
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{
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model.parent_id = int.Parse(ds.Tables[0].Rows[0]["parent_id"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["class_list"].ToString()))
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{
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model.class_list = ds.Tables[0].Rows[0]["class_list"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["class_layer"].ToString()))
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{
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model.class_layer = int.Parse(ds.Tables[0].Rows[0]["class_layer"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["path"].ToString()))
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{
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model.path = ds.Tables[0].Rows[0]["path"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["url"].ToString()))
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{
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model.url = ds.Tables[0].Rows[0]["url"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["target"].ToString()))
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{
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model.target = int.Parse(ds.Tables[0].Rows[0]["target"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["state"].ToString()))
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{
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model.state = int.Parse(ds.Tables[0].Rows[0]["state"].ToString());
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["remark"].ToString()))
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{
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model.remark = ds.Tables[0].Rows[0]["remark"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["seo_title"].ToString()))
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{
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model.seo_title = ds.Tables[0].Rows[0]["seo_title"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["seo_keywords"].ToString()))
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{
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model.seo_keywords = ds.Tables[0].Rows[0]["seo_keywords"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["seo_description"].ToString()))
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{
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model.seo_description = ds.Tables[0].Rows[0]["seo_description"].ToString();
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}
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if (!string.IsNullOrEmpty(ds.Tables[0].Rows[0]["add_time"].ToString()))
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{
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model.add_time = DateTime.Parse(ds.Tables[0].Rows[0]["add_time"].ToString());
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}
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return model;
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// 获得前几行数据
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/// </summary>
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public DataSet GetList(int Top, string strWhere, string filedOrder)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select ");
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if (Top > 0)
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{
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strSql.Append(" top " + Top.ToString());
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}
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strSql.Append("id,paixu,title,class_id,parent_id,class_list,class_layer,path,url,target,state,remark,seo_title,seo_keywords,seo_description,add_time");
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strSql.Append(" from tb_nav");
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if (strWhere.Trim() != "")
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{
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strSql.Append(" where " + strWhere);
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}
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strSql.Append(" order by " + filedOrder);
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return DbHelperSQL.Query(strSql.ToString());
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}
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/// <summary>
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/// 是否存在该记录
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/// </summary>
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public bool Exists(int id)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select count(1) from tb_nav");
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strSql.Append(" where id=@id");
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SqlParameter[] parameters = {
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new SqlParameter("@id", SqlDbType.Int,4)};
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parameters[0].Value = id;
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return DbHelperSQL.Exists(strSql.ToString(), parameters);
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}
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/// <summary>
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/// 修改一列数据
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/// </summary>
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public void UpdateField(int id, string strValue)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("update tb_nav set " + strValue);
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strSql.Append(" where id=" + id);
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DbHelperSQL.ExecuteSql(strSql.ToString());
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}
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/// <summary>
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/// 取得所有类别列表
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/// </summary>
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/// <param name="parent_id">父ID</param>
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/// <param name="class_id">分类ID</param>
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/// <returns></returns>
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public DataTable GetList(int parent_id, int class_id)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("select * from tb_nav");
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if (class_id > 0)
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{
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strSql.Append(" where class_id=" + class_id);
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}
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strSql.Append(" order by paixu desc,id asc");
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DataSet ds = DbHelperSQL.Query(strSql.ToString());
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DataTable oldData = ds.Tables[0] as DataTable;
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if (oldData == null)
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{
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return null;
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}
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//复制结构
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DataTable newData = oldData.Clone();
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//调用迭代组合成DAGATABLE
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GetChilds(oldData, newData, parent_id, class_id);
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return newData;
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}
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/// <summary>
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/// 从内存中取得所有下级类别列表（自身迭代）
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/// </summary>
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private void GetChilds(DataTable oldData, DataTable newData, int parent_id, int channel_id)
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{
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DataRow[] dr = oldData.Select("parent_id=" + parent_id);
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for (int i = 0; i < dr.Length; i++)
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{
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//添加一行数据
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DataRow row = newData.NewRow();
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row["id"] = int.Parse(dr[i]["id"].ToString());
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row["paixu"] = int.Parse(dr[i]["paixu"].ToString());
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row["title"] = dr[i]["title"].ToString();
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row["class_id"] = int.Parse(dr[i]["class_id"].ToString());
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row["parent_id"] = int.Parse(dr[i]["parent_id"].ToString());
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row["class_layer"] = int.Parse(dr[i]["class_layer"].ToString());
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row["class_list"] = dr[i]["class_list"].ToString();
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row["path"] = dr[i]["path"].ToString();
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row["url"] = dr[i]["url"].ToString();
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row["target"] = int.Parse(dr[i]["target"].ToString());
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row["state"] = int.Parse(dr[i]["state"].ToString());
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row["remark"] = dr[i]["remark"].ToString();
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row["seo_title"] = dr[i]["seo_title"].ToString();
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row["seo_keywords"] = dr[i]["seo_keywords"].ToString();
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row["seo_description"] = dr[i]["seo_description"].ToString();
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row["add_time"] = DateTime.Parse(dr[i]["add_time"].ToString());
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newData.Rows.Add(row);
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//调用自身迭代
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this.GetChilds(oldData, newData, int.Parse(dr[i]["id"].ToString()), channel_id);
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}
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}
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/// <summary>
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/// 返回第一个class_id
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/// </summary>
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public int GetClass_Id()
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{
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int class_id = 0;
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BasicPage bp = new BasicPage();
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SqlDataReader myread = bp.getRead("select top 1 class_id from tb_nav");
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if (myread.Read())
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{
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class_id = int.Parse(myread[0].ToString());
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}
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myread.Close();
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return class_id;
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}
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/// <summary>
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/// 返回导航链接
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/// </summary>
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//public string GetNav(int _id)
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//{
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// int class_id = 0;
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// BasicPage bp = new BasicPage();
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// SqlDataReader myread = bp.getRead("select top 1 class_id from tb_nav");
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// if (myread.Read())
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// {
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// class_id = int.Parse(myread[0].ToString());
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// }
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// myread.Close();
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// return class_id;
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//}
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}
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}
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