/// <summary>
/// 更新一条数据
/// </summary>
public void Update(BCW.Model.ChatText model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update tb_ChatText set ");
strSql.Append("ChatId=@ChatId,");
strSql.Append("UsID=@UsID,");
strSql.Append("UsName=@UsName,");
strSql.Append("ToID=@ToID,");
strSql.Append("ToName=@ToName,");
strSql.Append("Content=@Content,");
strSql.Append("AddTime=@AddTime");
strSql.Append(" where ID=@ID ");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.Int, 4),
new SqlParameter("@ChatId", SqlDbType.Int, 4),
new SqlParameter("@UsID", SqlDbType.Int, 4),
new SqlParameter("@UsName", SqlDbType.NVarChar, 50),
new SqlParameter("@ToID", SqlDbType.Int, 4),
new SqlParameter("@ToName", SqlDbType.NVarChar, 50),
new SqlParameter("@Content", SqlDbType.NVarChar, 500),
new SqlParameter("@AddTime", SqlDbType.DateTime)
};
parameters[0].Value = model.ID;
parameters[1].Value = model.ChatId;
parameters[2].Value = model.UsID;
parameters[3].Value = model.UsName;
parameters[4].Value = model.ToID;
parameters[5].Value = model.ToName;
parameters[6].Value = model.Content;
parameters[7].Value = model.AddTime;
SqlHelper.ExecuteSql(strSql.ToString(), parameters);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BCW.Model.ChatText GetChatText(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 ID,ChatId,UsID,UsName,ToID,ToName,Content,AddTime from tb_ChatText ");
strSql.Append(" where ID=@ID ");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.Int, 4)
};
parameters[0].Value = ID;
BCW.Model.ChatText model = new BCW.Model.ChatText();
using (SqlDataReader reader = SqlHelper.ExecuteReader(strSql.ToString(), parameters))
{
if (reader.HasRows)
{
reader.Read();
model.ID = reader.GetInt32(0);
model.ChatId = reader.GetInt32(1);
model.UsID = reader.GetInt32(2);
model.UsName = reader.GetString(3);
model.ToID = reader.GetInt32(4);
model.ToName = reader.GetString(5);
model.Content = reader.GetString(6);
model.AddTime = reader.GetDateTime(7);
return(model);
}
else
{
return(null);
}
}
}
/// <summary>
/// 发言排行榜
/// </summary>
/// <param name="p_pageIndex">当前页</param>
/// <param name="p_pageSize">每页显示记录数</param>
/// <param name="p_recordCount">返回总记录数</param>
/// <param name="strWhere">查询条件</param>
/// <returns>List</returns>
public IList <BCW.Model.ChatText> GetChatTextsTop(int p_pageIndex, int p_pageSize, string strWhere, out int p_recordCount)
{
IList <BCW.Model.ChatText> listChatText = new List <BCW.Model.ChatText>();
// 计算记录数
string countString = "SELECT COUNT(DISTINCT UsID) FROM tb_ChatText Where " + strWhere + "";
p_recordCount = Convert.ToInt32(SqlHelper.GetSingle(countString));
if (p_recordCount > 0)
{
int pageCount = BasePage.CalcPageCount(p_recordCount, p_pageSize, ref p_pageIndex);
if (pageCount > 100)
{
pageCount = 100;
}
}
else
{
return(listChatText);
}
// 取出相关记录
string queryString = "SELECT UsID, COUNT(ID) FROM tb_ChatText Where " + strWhere + " GROUP BY UsID ORDER BY COUNT(ID) DESC";
using (SqlDataReader reader = SqlHelper.ExecuteReader(queryString))
{
int stratIndex = (p_pageIndex - 1) * p_pageSize;
int endIndex = p_pageIndex * p_pageSize;
int k = 0;
while (reader.Read())
{
if (k >= stratIndex && k < endIndex)
{
BCW.Model.ChatText objChatText = new BCW.Model.ChatText();
objChatText.UsID = reader.GetInt32(0);
objChatText.ChatId = reader.GetInt32(1);
listChatText.Add(objChatText);
}
if (k == endIndex)
{
break;
}
k++;
}
}
return(listChatText);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(BCW.Model.ChatText model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into tb_ChatText(");
strSql.Append("ChatId,UsID,UsName,ToID,ToName,Content,IsKiss,AddTime)");
strSql.Append(" values (");
strSql.Append("@ChatId,@UsID,@UsName,@ToID,@ToName,@Content,@IsKiss,@AddTime)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@ChatId", SqlDbType.Int, 4),
new SqlParameter("@UsID", SqlDbType.Int, 4),
new SqlParameter("@UsName", SqlDbType.NVarChar, 50),
new SqlParameter("@ToID", SqlDbType.Int, 4),
new SqlParameter("@ToName", SqlDbType.NVarChar, 50),
new SqlParameter("@Content", SqlDbType.NVarChar, 500),
new SqlParameter("@IsKiss", SqlDbType.TinyInt, 1),
new SqlParameter("@AddTime", SqlDbType.DateTime)
};
parameters[0].Value = model.ChatId;
parameters[1].Value = model.UsID;
parameters[2].Value = model.UsName;
parameters[3].Value = model.ToID;
parameters[4].Value = model.ToName;
parameters[5].Value = model.Content;
parameters[6].Value = model.IsKiss;
parameters[7].Value = model.AddTime;
object obj = SqlHelper.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(1);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 取得每页记录
/// </summary>
/// <param name="p_pageIndex">当前页</param>
/// <param name="p_pageSize">分页大小</param>
/// <param name="p_recordCount">返回总记录数</param>
/// <param name="strWhere">查询条件</param>
/// <returns>IList ChatText</returns>
public IList <BCW.Model.ChatText> GetChatTexts(int p_pageIndex, int p_pageSize, string strWhere, out int p_recordCount)
{
IList <BCW.Model.ChatText> listChatTexts = new List <BCW.Model.ChatText>();
string sTable = "tb_ChatText";
string sPkey = "id";
string sField = "ID,ChatId,UsID,UsName,ToID,ToName,Content,IsKiss,AddTime";
string sCondition = strWhere;
string sOrder = "ID Desc";
int iSCounts = 0;
using (SqlDataReader reader = SqlHelper.RunProcedureMe(sTable, sPkey, sField, p_pageIndex, p_pageSize, sCondition, sOrder, iSCounts, out p_recordCount))
{
//计算总页数
if (p_recordCount > 0)
{
int pageCount = BasePage.CalcPageCount(p_recordCount, p_pageSize, ref p_pageIndex);
}
else
{
return(listChatTexts);
}
while (reader.Read())
{
BCW.Model.ChatText objChatText = new BCW.Model.ChatText();
objChatText.ID = reader.GetInt32(0);
objChatText.ChatId = reader.GetInt32(1);
objChatText.UsID = reader.GetInt32(2);
objChatText.UsName = reader.GetString(3);
objChatText.ToID = reader.GetInt32(4);
objChatText.ToName = reader.GetString(5);
objChatText.Content = reader.GetString(6);
objChatText.IsKiss = reader.GetByte(7);
objChatText.AddTime = reader.GetDateTime(8);
listChatTexts.Add(objChatText);
}
}
return(listChatTexts);
}
