/// <summary>
/// 增加一条数据
/// </summary>
public int Add(starweibo.Model.messageInfo model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into messageInfo(");
strSql.Append("blogId,userId,msgContent,msgTypeId,parentId)");
strSql.Append(" values (");
strSql.Append("@blogId,@userId,@msgContent,@msgTypeId,@parentId)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@blogId", SqlDbType.Int, 4),
new SqlParameter("@userId", SqlDbType.Int, 4),
new SqlParameter("@msgContent", SqlDbType.NVarChar, 250),
new SqlParameter("@msgTypeId", SqlDbType.Int, 4),
new SqlParameter("@parentId", SqlDbType.Int, 4)
};
parameters[0].Value = model.blogId;
parameters[1].Value = model.userId;
parameters[2].Value = model.msgContent;
parameters[3].Value = model.msgTypeId;
parameters[4].Value = model.parentId;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(starweibo.Model.messageInfo model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update messageInfo set ");
strSql.Append("blogId=@blogId,");
strSql.Append("userId=@userId,");
strSql.Append("msgContent=@msgContent,");
strSql.Append("msgTypeId=@msgTypeId,");
strSql.Append("pubTime=@pubTime,");
strSql.Append("msgState=@msgState,");
strSql.Append("parentId=@parentId");
strSql.Append(" where messageId=@messageId");
SqlParameter[] parameters =
{
new SqlParameter("@blogId", SqlDbType.Int, 4),
new SqlParameter("@userId", SqlDbType.Int, 4),
new SqlParameter("@msgContent", SqlDbType.NVarChar, 250),
new SqlParameter("@msgTypeId", SqlDbType.Int, 4),
new SqlParameter("@pubTime", SqlDbType.DateTime),
new SqlParameter("@msgState", SqlDbType.NVarChar, 10),
new SqlParameter("@parentId", SqlDbType.Int, 4),
new SqlParameter("@messageId", SqlDbType.Int, 4)
};
parameters[0].Value = model.blogId;
parameters[1].Value = model.userId;
parameters[2].Value = model.msgContent;
parameters[3].Value = model.msgTypeId;
parameters[4].Value = model.pubTime;
parameters[5].Value = model.msgState;
parameters[6].Value = model.parentId;
parameters[7].Value = model.messageId;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public starweibo.Model.messageInfo DataRowToModel(DataRow row)
{
starweibo.Model.messageInfo model = new starweibo.Model.messageInfo();
if (row != null)
{
if (row["messageId"] != null && row["messageId"].ToString() != "")
{
model.messageId = int.Parse(row["messageId"].ToString());
}
if (row["blogId"] != null && row["blogId"].ToString() != "")
{
model.blogId = int.Parse(row["blogId"].ToString());
}
if (row["userId"] != null && row["userId"].ToString() != "")
{
model.userId = int.Parse(row["userId"].ToString());
}
if (row["msgContent"] != null)
{
model.msgContent = row["msgContent"].ToString();
}
if (row["msgTypeId"] != null && row["msgTypeId"].ToString() != "")
{
model.msgTypeId = int.Parse(row["msgTypeId"].ToString());
}
if (row["pubTime"] != null && row["pubTime"].ToString() != "")
{
model.pubTime = DateTime.Parse(row["pubTime"].ToString());
}
if (row["msgState"] != null)
{
model.msgState = row["msgState"].ToString();
}
if (row["parentId"] != null && row["parentId"].ToString() != "")
{
model.parentId = int.Parse(row["parentId"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public starweibo.Model.messageInfo GetModel(int messageId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 messageId,blogId,userId,msgContent,msgTypeId,pubTime,msgState,parentId from messageInfo ");
strSql.Append(" where messageId=@messageId");
SqlParameter[] parameters =
{
new SqlParameter("@messageId", SqlDbType.Int, 4)
};
parameters[0].Value = messageId;
starweibo.Model.messageInfo model = new starweibo.Model.messageInfo();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
