/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Maticsoft.Model.MapElement model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into MapElement(");
strSql.Append("key,value");
strSql.Append(") values (");
strSql.Append("@key,@value");
strSql.Append(") ");
strSql.Append(";select last_insert_rowid()");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@key", DbType.String),
new SQLiteParameter("@value", DbType.String)
};
parameters[0].Value = model.key;
parameters[1].Value = model.value;
object obj = DbHelperSQLite.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(Maticsoft.Model.MapElement model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update MapElement set ");
strSql.Append(" key = @key , ");
strSql.Append(" value = @value ");
strSql.Append(" where id=@id ");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@id", DbType.Int32, 8),
new SQLiteParameter("@key", DbType.String),
new SQLiteParameter("@value", DbType.String)
};
parameters[0].Value = model.id;
parameters[1].Value = model.key;
parameters[2].Value = model.value;
int rows = DbHelperSQLite.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体(其他条件)
/// </summary>
public Maticsoft.Model.MapElement GetModel(string strWhere)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id, key, value ");
strSql.Append(" from MapElement ");
if (strWhere.Trim() != "")
{
strSql.Append(" where " + strWhere);
}
Maticsoft.Model.MapElement model = new Maticsoft.Model.MapElement();
DataSet ds = DbHelperSQLite.Query(strSql.ToString());
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["id"].ToString() != "")
{
model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
}
model.key = ds.Tables[0].Rows[0]["key"].ToString();
model.value = ds.Tables[0].Rows[0]["value"].ToString();
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 得到一个对象实体(ID)
/// </summary>
public Maticsoft.Model.MapElement GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id, key, value ");
strSql.Append(" from MapElement ");
strSql.Append(" where id=@id");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@id", DbType.Int32, 4)
};
parameters[0].Value = id;
Maticsoft.Model.MapElement model = new Maticsoft.Model.MapElement();
DataSet ds = DbHelperSQLite.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["id"].ToString() != "")
{
model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
}
model.key = ds.Tables[0].Rows[0]["key"].ToString();
model.value = ds.Tables[0].Rows[0]["value"].ToString();
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 获得数据列表
/// </summary>
public List <Maticsoft.Model.MapElement> DataTableToList(DataTable dt)
{
List <Maticsoft.Model.MapElement> modelList = new List <Maticsoft.Model.MapElement>();
int rowsCount = dt.Rows.Count;
if (rowsCount > 0)
{
Maticsoft.Model.MapElement model;
for (int n = 0; n < rowsCount; n++)
{
model = new Maticsoft.Model.MapElement();
if (dt.Rows[n]["id"].ToString() != "")
{
model.id = int.Parse(dt.Rows[n]["id"].ToString());
}
model.key = dt.Rows[n]["key"].ToString();
model.value = dt.Rows[n]["value"].ToString();
modelList.Add(model);
}
}
return(modelList);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Maticsoft.Model.MapElement model)
{
return(dal.Update(model));
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Maticsoft.Model.MapElement model)
{
return(dal.Add(model));
}
