/// <summary>
/// 获得Tags查询分页数据(搜索用到)
/// </summary>
public DataSet ArticleSearch(int site_id, string tags, int pageSize, int pageIndex, string strWhere, string filedOrder, out int recordCount)
{
//查询站点频道列表
DataTable dt = new DAL.MySql.site_channel(databaseprefix).GetList("site_id=" + site_id).Tables[0];
if (dt.Rows.Count > 0)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select * from (");
for (int i = 0; i < dt.Rows.Count; i++)
{
strSql.Append("select id,site_id,A.channel_id,call_index,title,zhaiyao,add_time,img_url");
strSql.Append(" from " + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + dt.Rows[i]["name"].ToString() + " as A INNER JOIN (");
strSql.Append("select R.channel_id,R.article_id");
strSql.Append(" from dt_article_tags_relation as R INNER JOIN dt_article_tags as S ON R.tag_id=S.id and S.title='" + tags + "'");
strSql.Append(") as T ON A.channel_id=T.channel_id and A.id=T.article_id");
strSql.Append(" where datediff(d,add_time,getdate())>=0");
if (strWhere.Trim() != "")
{
strSql.Append(" and " + strWhere);
}
if (i < (dt.Rows.Count - 1))
{
strSql.Append(" UNION ALL ");//合并频道数据表
}
}
strSql.Append(") as temp_article");
recordCount = Convert.ToInt32(DbHelperMySql.GetSingle(PagingHelper.CreateCountingSql(strSql.ToString())));
return(DbHelperMySql.Query(PagingHelper.CreatePagingSql(recordCount, pageSize, pageIndex, strSql.ToString(), filedOrder)));
}
recordCount = 0;
return(new DataSet());
}
/// <summary>
/// 删除一条数据
/// </summary>
public bool Delete(int id)
{
Model.article_attribute_field model = GetModel(id);//取得扩展字段实体
using (MySqlConnection conn = new MySqlConnection(DbHelperMySql.connectionString))
{
conn.Open();
using (MySqlTransaction trans = conn.BeginTransaction())
{
try
{
//删除所关联的频道数据表相关列
DataTable dt = new DAL.MySql.site_channel(databaseprefix).GetFieldList(conn, trans, id).Tables[0];
if (dt.Rows.Count > 0)
{
foreach (DataRow dr in dt.Rows)
{
//检查有无该频道数据表和列
int rowsCount = Convert.ToInt32(DbHelperMySql.GetSingle(conn, trans, "select count(1) from syscolumns where id=object_id('" + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + dr["name"].ToString() + "') and name='" + model.name + "'"));
if (rowsCount > 0)
{
//删除频道数据表一列
DbHelperMySql.ExecuteSql(conn, trans, "alter table " + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + dr["name"].ToString() + " drop column " + model.name);
}
}
}
//删除频道关联字段表
StringBuilder strSql1 = new StringBuilder();
strSql1.Append("delete from " + databaseprefix + "site_channel_field");
strSql1.Append(" where field_id=@field_id");
MySqlParameter[] parameters1 =
{
new MySqlParameter("@field_id", MySqlDbType.Int32, 4)
};
parameters1[0].Value = id;
DbHelperMySql.ExecuteSql(conn, trans, strSql1.ToString(), parameters1);
//删除扩展字段主表
StringBuilder strSql = new StringBuilder();
strSql.Append("delete from " + databaseprefix + "article_attribute_field");
strSql.Append(" where id=@id");
MySqlParameter[] parameters =
{
new MySqlParameter("@id", MySqlDbType.Int32, 4)
};
parameters[0].Value = id;
DbHelperMySql.ExecuteSql(conn, trans, strSql.ToString(), parameters);
trans.Commit();//提交事务
}
catch
{
trans.Rollback();//回滚事务
return(false);
}
}
}
return(true);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.article_attribute_field model)
{
Model.article_attribute_field oldModel = GetModel(model.id);//取到旧的数据
using (MySqlConnection conn = new MySqlConnection(DbHelperMySql.connectionString))
{
conn.Open();
using (MySqlTransaction trans = conn.BeginTransaction())
{
try
{
//修改主表信息
StringBuilder strSql = new StringBuilder();
StringBuilder str1 = new StringBuilder();
//利用反射获得属性的所有公共属性
PropertyInfo[] pros = model.GetType().GetProperties();
List <MySqlParameter> paras = new List <MySqlParameter>();
strSql.Append("update " + databaseprefix + "article_attribute_field set ");
foreach (PropertyInfo pi in pros)
{
//如果不是主键则追加sql字符串
if (!pi.Name.Equals("id"))
{
//判断属性值是否为空
if (pi.GetValue(model, null) != null)
{
str1.Append(pi.Name + "=@" + pi.Name + ","); //声明参数
paras.Add(new MySqlParameter("@" + pi.Name, pi.GetValue(model, null))); //对参数赋值
}
}
}
strSql.Append(str1.ToString().Trim(','));
strSql.Append(" where id=@id ");
paras.Add(new MySqlParameter("@id", model.id));
DbHelperMySql.ExecuteSql(conn, trans, strSql.ToString(), paras.ToArray());
//检查字段名和类型有无变化
if (oldModel.name.ToLower() != model.name.ToLower() || oldModel.data_type.ToLower() != model.data_type.ToLower())
{
DataTable dt = new DAL.MySql.site_channel(databaseprefix).GetFieldList(conn, trans, model.id).Tables[0];
if (dt.Rows.Count > 0)
{
foreach (DataRow dr in dt.Rows)
{
//检查有无该频道数据表和列
int rowsCount = Convert.ToInt32(DbHelperMySql.GetSingle(conn, trans, "select count(1) from syscolumns where id=object_id('" + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + dr["name"].ToString() + "') and name='" + oldModel.name + "'"));
if (rowsCount > 0)
{
//修改列数据类型
if (oldModel.data_type.ToLower() != model.data_type.ToLower())
{
DbHelperMySql.ExecuteSql(conn, trans, "alter table " + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + dr["name"].ToString() + " alter column " + oldModel.name + " " + model.data_type);
}
//修改列名
if (oldModel.name.ToLower() != model.name.ToLower())
{
DbHelperMySql.ExecuteSql(conn, trans, "exec sp_rename '" + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + dr["name"].ToString() + "." + oldModel.name + "','" + model.name + "','column'");
}
}
}
}
}
trans.Commit();//提交事务
}
catch
{
trans.Rollback();//回滚事务
return(false);
}
}
}
return(true);
}
public site_channel()
{
dal = new DAL.MySql.site_channel(sysConfig.sysdatabaseprefix);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Model.orders model)
{
using (MySqlConnection conn = new MySqlConnection(DbHelperMySql.connectionString))
{
conn.Open();//打开数据连接
using (MySqlTransaction trans = conn.BeginTransaction())
{
try
{
#region 主表信息==========================
StringBuilder strSql = new StringBuilder();
StringBuilder str1 = new StringBuilder(); //数据字段
StringBuilder str2 = new StringBuilder(); //数据参数
//利用反射获得属性的所有公共属性
PropertyInfo[] pros = model.GetType().GetProperties();
List <MySqlParameter> paras = new List <MySqlParameter>();
strSql.Append("insert into " + databaseprefix + "orders(");
foreach (PropertyInfo pi in pros)
{
//如果不是主键则追加sql字符串
if (!pi.Name.Equals("id") && !typeof(System.Collections.IList).IsAssignableFrom(pi.PropertyType))
{
//判断属性值是否为空
if (pi.GetValue(model, null) != null)
{
str1.Append(pi.Name + ","); //拼接字段
str2.Append("@" + pi.Name + ","); //声明参数
paras.Add(new MySqlParameter("@" + pi.Name, pi.GetValue(model, null))); //对参数赋值
}
}
}
strSql.Append(str1.ToString().Trim(','));
strSql.Append(") values (");
strSql.Append(str2.ToString().Trim(','));
strSql.Append(") ");
strSql.Append(";select @@IDENTITY;");
object obj = DbHelperMySql.GetSingle(conn, trans, strSql.ToString(), paras.ToArray());//带事务
model.id = Convert.ToInt32(obj);
#endregion
#region 订单商品列表======================
if (model.order_goods != null)
{
StringBuilder strSql2; //SQL字符串
StringBuilder strSql3;
StringBuilder strSql4;
StringBuilder str21; //数据库字段
StringBuilder str22; //声明参数
foreach (Model.order_goods modelt in model.order_goods)
{
strSql2 = new StringBuilder();
str21 = new StringBuilder();
str22 = new StringBuilder();
PropertyInfo[] pros2 = modelt.GetType().GetProperties();
List <MySqlParameter> paras2 = new List <MySqlParameter>();
strSql2.Append("insert into " + databaseprefix + "order_goods(");
foreach (PropertyInfo pi in pros2)
{
if (!pi.Name.Equals("id"))
{
if (pi.GetValue(modelt, null) != null)
{
str21.Append(pi.Name + ",");
str22.Append("@" + pi.Name + ",");
if (pi.Name.Equals("order_id"))
{
paras2.Add(new MySqlParameter("@" + pi.Name, model.id));//将刚插入的父ID赋值
}
else
{
paras2.Add(new MySqlParameter("@" + pi.Name, pi.GetValue(modelt, null)));
}
}
}
}
strSql2.Append(str21.ToString().Trim(','));
strSql2.Append(") values (");
strSql2.Append(str22.ToString().Trim(','));
strSql2.Append(") ");
DbHelperMySql.ExecuteSql(conn, trans, strSql2.ToString(), paras2.ToArray());
//扣减商品库存
string channelName = new DAL.MySql.site_channel(databaseprefix).GetChannelName(modelt.channel_id);//查询频道的名称
strSql4 = new StringBuilder();
strSql4.Append("update " + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + channelName + " set ");
strSql4.Append("stock_quantity=stock_quantity-@stock_quantity where id=@article_id");
MySqlParameter[] parameters4 =
{
new MySqlParameter("@stock_quantity", MySqlDbType.Int32, 4),
new MySqlParameter("@article_id", MySqlDbType.Int32, 4)
};
parameters4[0].Value = modelt.quantity;
parameters4[1].Value = modelt.article_id;
DbHelperMySql.ExecuteSql(conn, trans, strSql4.ToString(), parameters4);
}
}
#endregion
trans.Commit(); //提交事务
}
catch
{
trans.Rollback(); //回滚事务
return(0);
}
}
}
return(model.id);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Model.article model)
{
//查询频道名称
string channelName = new DAL.MySql.site_channel(databaseprefix).GetChannelName(model.channel_id);
if (channelName.Length == 0)
{
return(0);
}
using (MySqlConnection conn = new MySqlConnection(DbHelperMySql.connectionString))
{
conn.Open();
using (MySqlTransaction trans = conn.BeginTransaction())
{
try
{
#region 添加主表数据====================
StringBuilder strSql = new StringBuilder();
StringBuilder str1 = new StringBuilder(); //数据字段
StringBuilder str2 = new StringBuilder(); //数据参数
//利用反射获得属性的所有公共属性
PropertyInfo[] pros = model.GetType().GetProperties();
List <MySqlParameter> paras = new List <MySqlParameter>();
strSql.Append("insert into " + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + channelName + "(");
//主表字段信息
foreach (PropertyInfo pi in pros)
{
//如果不是主键或List<T>则追加sql字符串
if (!pi.Name.Equals("id") && !pi.Name.Equals("fields") && !typeof(System.Collections.IList).IsAssignableFrom(pi.PropertyType))
{
//判断属性值是否为空
if (pi.GetValue(model, null) != null)
{
str1.Append(pi.Name + ","); //拼接字段
str2.Append("@" + pi.Name + ","); //声明参数
paras.Add(new MySqlParameter("@" + pi.Name, pi.GetValue(model, null))); //对参数赋值
}
}
}
//扩展字段信息
foreach (KeyValuePair <string, string> kvp in model.fields)
{
str1.Append(kvp.Key + ","); //拼接字段
str2.Append("@" + kvp.Key + ","); //声明参数
paras.Add(new MySqlParameter("@" + kvp.Key, kvp.Value)); //对参数赋值
}
strSql.Append(str1.ToString().Trim(','));
strSql.Append(") values (");
strSql.Append(str2.ToString().Trim(','));
strSql.Append(") ");
strSql.Append(";select @@IDENTITY;");
object obj = DbHelperMySql.GetSingle(conn, trans, strSql.ToString(), paras.ToArray()); //带事务
model.id = Convert.ToInt32(obj); //插入后赋值
#endregion
#region 添加图片相册====================
if (model.albums != null)
{
new DAL.MySql.article_albums(databaseprefix).Add(conn, trans, model.albums, model.channel_id, model.id);
}
#endregion
#region 添加内容附件====================
if (model.attach != null)
{
new DAL.MySql.article_attach(databaseprefix).Add(conn, trans, model.attach, model.channel_id, model.id);
}
#endregion
#region 添加用户组价格==================
if (model.group_price != null)
{
foreach (Model.user_group_price modelt in model.group_price)
{
new DAL.MySql.user_group_price(databaseprefix).Add(conn, trans, modelt, model.channel_id, model.id);
}
}
#endregion
#region 添加Tags标签====================
if (model.tags != null && model.tags.Trim().Length > 0)
{
string[] tagsArr = model.tags.Trim().Split(',');
if (tagsArr.Length > 0)
{
foreach (string tagsStr in tagsArr)
{
new DAL.MySql.article_tags(databaseprefix).Update(conn, trans, tagsStr, model.channel_id, model.id);
}
}
}
#endregion
trans.Commit();
}
catch
{
trans.Rollback();
return(0);
}
}
}
return(model.id);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.article model)
{
//查询频道名称
string channelName = new DAL.MySql.site_channel(databaseprefix).GetChannelName(model.channel_id);
if (channelName.Length == 0)
{
return(false);
}
using (MySqlConnection conn = new MySqlConnection(DbHelperMySql.connectionString))
{
conn.Open();
using (MySqlTransaction trans = conn.BeginTransaction())
{
try
{
#region 修改主表数据==========================
StringBuilder strSql = new StringBuilder();
StringBuilder str1 = new StringBuilder();
//利用反射获得属性的所有公共属性
PropertyInfo[] pros = model.GetType().GetProperties();
List <MySqlParameter> paras = new List <MySqlParameter>();
strSql.Append("update " + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + channelName + " set ");
//主表字段信息
foreach (PropertyInfo pi in pros)
{
//如果不是主键或List<T>则追加sql字符串
if (!pi.Name.Equals("id") && !pi.Name.Equals("fields") && !typeof(System.Collections.IList).IsAssignableFrom(pi.PropertyType))
{
//判断属性值是否为空
if (pi.GetValue(model, null) != null)
{
str1.Append(pi.Name + "=@" + pi.Name + ","); //声明参数
paras.Add(new MySqlParameter("@" + pi.Name, pi.GetValue(model, null))); //对参数赋值
}
}
}
//扩展字段信息
foreach (KeyValuePair <string, string> kvp in model.fields)
{
str1.Append(kvp.Key + "=@" + kvp.Key + ","); //声明参数
paras.Add(new MySqlParameter("@" + kvp.Key, kvp.Value)); //对参数赋值
}
strSql.Append(str1.ToString().Trim(','));
strSql.Append(" where id=@id");
paras.Add(new MySqlParameter("@id", model.id));
DbHelperMySql.ExecuteSql(conn, trans, strSql.ToString(), paras.ToArray());
#endregion
#region 修改图片相册==========================
//删除/添加/修改相册图片
new DAL.MySql.article_albums(databaseprefix).Update(conn, trans, model.albums, model.channel_id, model.id);
#endregion
#region 修改内容附件==========================
//删除/添加/修改附件
new DAL.MySql.article_attach(databaseprefix).Update(conn, trans, model.attach, model.channel_id, model.id);
#endregion
#region 修改用户组价格========================
//删除旧用户组价格
new DAL.MySql.user_group_price(databaseprefix).Delete(conn, trans, model.channel_id, model.id);
//添加用户组价格
if (model.group_price != null)
{
foreach (Model.user_group_price modelt in model.group_price)
{
new DAL.MySql.user_group_price(databaseprefix).Add(conn, trans, modelt, model.channel_id, model.id);
}
}
#endregion
#region 修改Tags标签==========================
//删除已有的Tags标签关系
new DAL.MySql.article_tags(databaseprefix).Delete(conn, trans, model.channel_id, model.id);
//添加添加标签
if (model.tags != null && model.tags.Trim().Length > 0)
{
string[] tagsArr = model.tags.Trim().Split(',');
if (tagsArr.Length > 0)
{
foreach (string tagsStr in tagsArr)
{
new DAL.MySql.article_tags(databaseprefix).Update(conn, trans, tagsStr, model.channel_id, model.id);
}
}
}
#endregion
trans.Commit();
}
catch
{
trans.Rollback();
return(false);
}
}
}
return(true);
}
