/// <summary>
/// 删除已移除的扩展字段及频道数据表列
/// </summary>
private void FieldDelete(SqlConnection conn, SqlTransaction trans, Dapper.Model.site_channel newModel, Dapper.Model.site_channel oldModel)
{
if (oldModel.channel_fields == null)
{
return;
}
string fieldIds = string.Empty;
foreach (Dapper.Model.site_channel_field modelt in oldModel.channel_fields)
{
//查找对应的字段ID，不在旧实体则删除
if (newModel.channel_fields.Find(p => p.field_id == modelt.field_id) == null)
{
//记住要删除的字段ID
fieldIds += modelt.field_id + ",";
//删除该旧字段
DbHelperSQL.ExecuteSql(conn, trans, "delete from " + databaseprefix + "site_channel_field where channel_id=" + newModel.id + " and field_id=" + modelt.field_id);
}
}
//删除频道数据表列
if (fieldIds.Length > 0)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id,[name] from " + databaseprefix + "article_attribute_field");
strSql.Append(" where id in(" + fieldIds.TrimEnd(',') + ")");
DataSet ds = DbHelperSQL.Query(conn, trans, strSql.ToString());
foreach (DataRow dr in ds.Tables[0].Rows)
{
//删除频道数据表列
DbHelperSQL.ExecuteSql(conn, trans, "alter table " + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + oldModel.name + " drop column " + dr["name"].ToString());
}
}
}
/// <summary>
/// 将对象转换实体
/// </summary>
public Dapper.Model.site_channel DataRowToModel(DataRow row)
{
Dapper.Model.site_channel model = new Dapper.Model.site_channel();
if (row != null)
{
#region 主表信息======================
//利用反射获得属性的所有公共属性
Type modelType = model.GetType();
for (int i = 0; i < row.Table.Columns.Count; i++)
{
PropertyInfo proInfo = modelType.GetProperty(row.Table.Columns[i].ColumnName);
if (proInfo != null && row[i] != DBNull.Value)
{
proInfo.SetValue(model, row[i], null);//用索引值设置属性值
}
}
#endregion
#region 子表信息======================
StringBuilder strSql = new StringBuilder();
strSql.Append("select * from " + databaseprefix + "site_channel_field");
strSql.Append(" where channel_id=@channel_id");
SqlParameter[] parameters =
{
new SqlParameter("@channel_id", SqlDbType.Int, 4)
};
parameters[0].Value = model.id;
DataTable dt = DbHelperSQL.Query(strSql.ToString(), parameters).Tables[0];
if (dt.Rows.Count > 0)
{
int rowsCount = dt.Rows.Count;
List <Dapper.Model.site_channel_field> models = new List <Dapper.Model.site_channel_field>();
Dapper.Model.site_channel_field modelt;
for (int n = 0; n < rowsCount; n++)
{
modelt = new Dapper.Model.site_channel_field();
Type modeltType = modelt.GetType();
for (int i = 0; i < dt.Rows[n].Table.Columns.Count; i++)
{
PropertyInfo proInfo = modeltType.GetProperty(dt.Rows[n].Table.Columns[i].ColumnName);
if (proInfo != null && dt.Rows[n][i] != DBNull.Value)
{
proInfo.SetValue(modelt, dt.Rows[n][i], null);
}
}
models.Add(modelt);
}
model.channel_fields = models;
}
#endregion
}
return(model);
}
/// <summary>
/// 编辑扩展字段及频道数据表
/// </summary>
private void FieldUpdate(SqlConnection conn, SqlTransaction trans, Dapper.Model.site_channel newModel, Dapper.Model.site_channel oldModel)
{
if (newModel.channel_fields != null)
{
string newFieldIds = string.Empty; //用来存储新增的字段ID
//添加扩展字段
StringBuilder strSql1;
foreach (Dapper.Model.site_channel_field modelt in newModel.channel_fields)
{
strSql1 = new StringBuilder();
Dapper.Model.site_channel_field fieldModel = null;
if (oldModel.channel_fields != null)
{
fieldModel = oldModel.channel_fields.Find(p => p.field_id == modelt.field_id); //查找是否已经存在
}
if (fieldModel == null) //如果不存在则添加
{
newFieldIds += modelt.field_id + ","; //以逗号分隔开存储
strSql1.Append("insert into " + databaseprefix + "site_channel_field(");
strSql1.Append("channel_id,field_id)");
strSql1.Append(" values (");
strSql1.Append("@channel_id,@field_id)");
SqlParameter[] parameters1 =
{
new SqlParameter("@channel_id", SqlDbType.Int, 4),
new SqlParameter("@field_id", SqlDbType.Int, 4)
};
parameters1[0].Value = modelt.channel_id;
parameters1[1].Value = modelt.field_id;
DbHelperSQL.ExecuteSql(conn, trans, strSql1.ToString(), parameters1);
}
}
//添加频道数据表列
if (newFieldIds.Length > 0)
{
StringBuilder strSql2 = new StringBuilder();
strSql2.Append("select id,[name],data_type from " + databaseprefix + "article_attribute_field");
strSql2.Append(" where id in(" + newFieldIds.TrimEnd(',') + ")");
DataSet ds = DbHelperSQL.Query(conn, trans, strSql2.ToString());
foreach (DataRow dr in ds.Tables[0].Rows)
{
DbHelperSQL.ExecuteSql(conn, trans, "alter table " + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + oldModel.name + " add " + dr["name"].ToString() + " " + dr["data_type"].ToString());
}
}
}
//如果频道名称改变则需要更改数据表名
if (newModel.name != oldModel.name)
{
DbHelperSQL.ExecuteSql(conn, trans, "exec sp_rename '" + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + oldModel.name + "', '" + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + newModel.name + "'");
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Dapper.Model.site_channel GetModel(string channel_name)
{
StringBuilder strSql = new StringBuilder();
StringBuilder str1 = new StringBuilder();
Dapper.Model.site_channel model = new Dapper.Model.site_channel();
//利用反射获得属性的所有公共属性
PropertyInfo[] pros = model.GetType().GetProperties();
foreach (PropertyInfo p in pros)
{
//拼接字段，忽略List<T>
if (!typeof(System.Collections.IList).IsAssignableFrom(p.PropertyType))
{
str1.Append(p.Name + ",");
}
}
strSql.Append("select top 1 " + str1.ToString().Trim(','));
strSql.Append(" from " + databaseprefix + "site_channel");
strSql.Append(" where name=@channel_name ");
SqlParameter[] parameters =
{
new SqlParameter("@channel_name", SqlDbType.VarChar, 50)
};
parameters[0].Value = channel_name;
DataTable dt = DbHelperSQL.Query(strSql.ToString(), parameters).Tables[0];
if (dt.Rows.Count > 0)
{
return(DataRowToModel(dt.Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 新增扩展字段及创建频道数据表
/// </summary>
private void FieldAdd(SqlConnection conn, SqlTransaction trans, Dapper.Model.site_channel model)
{
string fieldIds = string.Empty;//存储已加截的扩展字段ID集合
//新增扩展字段表及存储字段的ID
if (model.channel_fields != null)
{
StringBuilder strSql1;
foreach (Dapper.Model.site_channel_field modelt in model.channel_fields)
{
fieldIds += modelt.field_id + ",";
strSql1 = new StringBuilder();
strSql1.Append("insert into " + databaseprefix + "site_channel_field(");
strSql1.Append("channel_id,field_id)");
strSql1.Append(" values (");
strSql1.Append("@channel_id,@field_id)");
SqlParameter[] parameters1 =
{
new SqlParameter("@channel_id", SqlDbType.Int, 4),
new SqlParameter("@field_id", SqlDbType.Int, 4)
};
parameters1[0].Value = model.id;
parameters1[1].Value = modelt.field_id;
DbHelperSQL.ExecuteSql(conn, trans, strSql1.ToString(), parameters1);
}
}
//创建频道数据表
StringBuilder strSql2 = new StringBuilder();//存储创建频道表SQL语句
strSql2.Append("CREATE TABLE " + databaseprefix + DTKeys.TABLE_CHANNEL_ARTICLE + model.name + "(\r\n");
strSql2.Append("[id] int IDENTITY(1,1) PRIMARY KEY,\r\n");
strSql2.Append("[site_id] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[channel_id] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[category_id] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[call_index] nvarchar(50),\r\n");
strSql2.Append("[title] nvarchar(100),\r\n");
strSql2.Append("[link_url] nvarchar(255),\r\n");
strSql2.Append("[img_url] nvarchar(255),\r\n");
strSql2.Append("[seo_title] nvarchar(255),\r\n");
strSql2.Append("[seo_keywords] nvarchar(255),\r\n");
strSql2.Append("[seo_description] nvarchar(255),\r\n");
strSql2.Append("[tags] nvarchar(500),\r\n");
strSql2.Append("[zhaiyao] nvarchar(255),\r\n");
strSql2.Append("[content] ntext,\r\n");
strSql2.Append("[sort_id] int NOT NULL DEFAULT ((99)),\r\n");
strSql2.Append("[click] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[status] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[is_msg] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[is_top] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[is_red] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[is_hot] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[is_slide] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[is_sys] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[user_name] nvarchar(100),\r\n");
strSql2.Append("[like_count] int NOT NULL DEFAULT ((0)),\r\n");
strSql2.Append("[add_time] datetime NOT NULL DEFAULT (getdate()),\r\n");
strSql2.Append("[update_time] datetime,\r\n");
if (fieldIds.Length > 0)
{
//查询扩展字段表
DataTable dt = new DAL.article_attribute_field(databaseprefix).GetList(0, "id in(" + fieldIds.Trim(',') + ")", "sort_id asc,id desc").Tables[0];
//判断及组合创表SQL语句
foreach (DataRow dr in dt.Rows)
{
strSql2.Append("[" + dr["name"].ToString() + "] " + dr["data_type"].ToString() + ",\r\n");
}
}
//执行SQL创表语句
DbHelperSQL.ExecuteSql(conn, trans, strSql2.ToString().TrimEnd(',') + ")");
}
/// <summary>
/// 增加一条数据及其子表
/// </summary>
public int Add(Dapper.Model.site_channel model)
{
//取得站点对应的导航，如果站点导航不存在则退出新增
int parent_id = new DAL.sites(databaseprefix).GetSiteNavId(model.site_id);
if (parent_id == 0)
{
return(0);
}
using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
{
conn.Open(); //打开数据连接
using (SqlTransaction trans = conn.BeginTransaction())
{
try
{
#region 写入频道表数据==================
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 <SqlParameter> paras = new List <SqlParameter>();
strSql.Append("insert into " + databaseprefix + "site_channel(");
foreach (PropertyInfo pi in pros)
{
//如果不是主键和List<T>类型则追加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 SqlParameter("@" + 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 = DbHelperSQL.GetSingle(conn, trans, strSql.ToString(), paras.ToArray());//带事务
model.id = Convert.ToInt32(obj);
#endregion
//写入扩展字段及创建频道数据表
FieldAdd(conn, trans, model);
#region 写入导航数据===============
int newNavId = new DAL.navigation(databaseprefix).Add(conn, trans, parent_id, "channel_" + model.name, model.title, "", model.sort_id, model.id, "Show");
new DAL.navigation(databaseprefix).Add(conn, trans, newNavId, "channel_" + model.name + "_list", "内容管理", "article/article_list.aspx", 99, model.id, "Show,View,Add,Edit,Delete,Audit");
new DAL.navigation(databaseprefix).Add(conn, trans, newNavId, "channel_" + model.name + "_category", "栏目类别", "article/category_list.aspx", 100, model.id, "Show,View,Add,Edit,Delete");
//开启评论则新增菜单
if (model.is_comment > 0)
{
new DAL.navigation(databaseprefix).Add(conn, trans, newNavId, "channel_" + model.name + "_comment", "评论管理", "article/comment_list.aspx", 103, model.id, "Show,View,Delete,Reply");
}
#endregion
trans.Commit();//提交事务
}
catch
{
trans.Rollback();//回滚事务
return(0);
}
}
}
return(model.id);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Dapper.Model.site_channel model)
{
Dapper.Model.site_channel oldModel = GetModel(model.id); //取得旧的频道数据
int siteNavParentId = new DAL.sites(databaseprefix).GetSiteNavId(model.site_id); //取得站点对应的导航ID
if (siteNavParentId == 0)
{
return(false);
}
using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
try
{
#region 修改频道表======================
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 <SqlParameter> paras = new List <SqlParameter>();
strSql.Append("update " + databaseprefix + "site_channel set ");
foreach (PropertyInfo pi in pros)
{
//如果不是主键则追加sql字符串
//!pi.Name.Equals("channel_fields")
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 + "=@" + pi.Name + ","); //声明参数
paras.Add(new SqlParameter("@" + pi.Name, pi.GetValue(model, null))); //对参数赋值
}
}
}
strSql.Append(str1.ToString().Trim(','));
strSql.Append(" where id=@id ");
paras.Add(new SqlParameter("@id", model.id));
DbHelperSQL.ExecuteSql(conn, trans, strSql.ToString(), paras.ToArray());
#endregion
//删除已移除扩展字段及频道数据表列
FieldDelete(conn, trans, model, oldModel);
//编辑扩展字段及频道数据表
FieldUpdate(conn, trans, model, oldModel);
#region 编辑对应的导航==================
new DAL.navigation(databaseprefix).Update(conn, trans, "channel_" + oldModel.name, siteNavParentId, "channel_" + model.name, model.title, model.sort_id);
new DAL.navigation(databaseprefix).Update(conn, trans, "channel_" + oldModel.name + "_list", "channel_" + model.name + "_list"); //内容管理
new DAL.navigation(databaseprefix).Update(conn, trans, "channel_" + oldModel.name + "_category", "channel_" + model.name + "_category"); //栏目类别
//评论导航菜单处理
if (model.is_comment > 0 && oldModel.is_comment == 0)
{
//如开启评论而以前关闭的需新增菜单
new DAL.navigation(databaseprefix).Add(conn, trans, "channel_" + model.name, "channel_" + model.name + "_comment", "评论管理", "article/comment_list.aspx", 103, model.id, "Show,View,Add,Edit,Delete");
}
else if (model.is_comment == 0 && oldModel.is_comment > 0)
{
//如关闭评论而以前开启需删除菜单
new DAL.navigation(databaseprefix).Delete(conn, trans, "channel_" + oldModel.name + "_comment");
}
else if (model.is_comment > 0)
{
//如都是开启状态则修改菜单
new DAL.navigation(databaseprefix).Update(conn, trans, "channel_" + oldModel.name + "_comment", "channel_" + model.name + "_comment");
}
#endregion
trans.Commit();//提交事务
}
catch
{
trans.Rollback();//回滚事务
return(false);
}
}
}
return(true);
}
