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282 rivejä
12 KiB
282 rivejä
12 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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/// 属性列别
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/// </summary>
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public partial class attribute
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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.attribute model)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("insert into tb_attribute(");
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strSql.Append("class_id,title,guid,parent_id,class_list,class_layer,paixu,url,path,content)");
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strSql.Append(" values (");
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strSql.Append("@class_id,@title,@guid,@parent_id,@class_list,@class_layer,@paixu,@url,@path,@content)");
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strSql.Append(";select @@IDENTITY");
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SqlParameter[] parameters = {
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new SqlParameter("@class_id", SqlDbType.Int,10),
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new SqlParameter("@title", SqlDbType.NVarChar,100),
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new SqlParameter("@guid", SqlDbType.NVarChar,50),
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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("@paixu", SqlDbType.Int,10),
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new SqlParameter("@url", SqlDbType.NVarChar,255),
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new SqlParameter("@path", SqlDbType.NVarChar,255),
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new SqlParameter("@content", SqlDbType.NVarChar,500)};
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parameters[0].Value = model.class_id;
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parameters[1].Value = model.title;
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parameters[2].Value = model.guid;
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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.paixu;
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parameters[7].Value = model.url;
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parameters[8].Value = model.path;
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parameters[9].Value = model.content;
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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.attribute model)
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{
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StringBuilder strSql = new StringBuilder();
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strSql.Append("update tb_attribute set ");
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strSql.Append("class_id=@class_id,");
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strSql.Append("title=@title,");
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strSql.Append("guid=@guid,");
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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("paixu=@paixu,");
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strSql.Append("url=@url,");
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strSql.Append("path=@path,");
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strSql.Append("content=@content");
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strSql.Append(" where id=@id");
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SqlParameter[] parameters = {
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new SqlParameter("@class_id", SqlDbType.Int,10),
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new SqlParameter("@title", SqlDbType.NVarChar,100),
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new SqlParameter("@guid", SqlDbType.NVarChar,50),
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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("@paixu", SqlDbType.Int,10),
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new SqlParameter("@url", SqlDbType.NVarChar,255),
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new SqlParameter("@path", SqlDbType.NVarChar,255),
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new SqlParameter("@content", SqlDbType.NVarChar,500),
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new SqlParameter("@id", SqlDbType.Int,4)};
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parameters[0].Value = model.class_id;
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parameters[1].Value = model.title;
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parameters[2].Value = model.guid;
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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.paixu;
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parameters[7].Value = model.url;
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parameters[8].Value = model.path;
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parameters[9].Value = model.content;
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parameters[10].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_attribute");
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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.attribute 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,class_id,title,guid,parent_id,class_list,class_layer,paixu,url,path,content from tb_attribute");
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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.attribute model = new Basic.Model.attribute();
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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]["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]["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]["guid"].ToString()))
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{
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model.guid = ds.Tables[0].Rows[0]["guid"].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]["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]["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]["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]["content"].ToString()))
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{
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model.content = ds.Tables[0].Rows[0]["content"].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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/// 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_attribute");
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strSql.Append(" where class_id=" + class_id + " 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 pro_class_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["class_id"] = int.Parse(dr[i]["class_id"].ToString());
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row["title"] = dr[i]["title"].ToString();
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row["guid"] = dr[i]["guid"].ToString();
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row["parent_id"] = int.Parse(dr[i]["parent_id"].ToString());
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row["class_list"] = dr[i]["class_list"].ToString();
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row["class_layer"] = int.Parse(dr[i]["class_layer"].ToString());
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row["paixu"] = int.Parse(dr[i]["paixu"].ToString());
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row["url"] = dr[i]["url"].ToString();
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row["path"] = dr[i]["path"].ToString();
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row["content"] = dr[i]["content"].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()), pro_class_id);
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}
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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_attribute 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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/// 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,class_id,title,guid,parent_id,class_list,class_layer,paixu,url,path,content");
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strSql.Append(" from tb_attribute");
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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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}
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}
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