/// <summary>
/// 得到一个对象实体
/// </summary>
public DogApi.Model.ActivityModel DataRowToModel(DataRow row)
{
DogApi.Model.ActivityModel model = new DogApi.Model.ActivityModel();
if (row != null)
{
if (row["actid"] != null && row["actid"].ToString() != "")
{
model.actid = int.Parse(row["actid"].ToString());
}
if (row["name"] != null)
{
model.name = row["name"].ToString();
}
if (row["note"] != null)
{
model.note = row["note"].ToString();
}
//model.lat=row["lat"].ToString();
//model.lng=row["lng"].ToString();
//model.alt=row["alt"].ToString();
if (row["userName"] != null)
{
model.userName = row["userName"].ToString();
}
}
return(model);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(DogApi.Model.ActivityModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update activity set ");
strSql.Append("name=@name,");
strSql.Append("note=@note,");
strSql.Append("lat=@lat,");
strSql.Append("lng=@lng,");
strSql.Append("alt=@alt,");
strSql.Append("userName=@userName");
strSql.Append(" where actid=@actid ");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@name", DbType.String, 50),
new SQLiteParameter("@note", DbType.String, 500),
new SQLiteParameter("@lat", DbType.Double, 8),
new SQLiteParameter("@lng", DbType.Double, 8),
new SQLiteParameter("@alt", DbType.Double, 8),
new SQLiteParameter("@userName", DbType.String, 50),
new SQLiteParameter("@actid", DbType.Int32, 4)
};
parameters[0].Value = model.name;
parameters[1].Value = model.note;
parameters[2].Value = model.lat;
parameters[3].Value = model.lng;
parameters[4].Value = model.alt;
parameters[5].Value = model.userName;
parameters[6].Value = model.actid;
int rows = DbHelperSQLite.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(DogApi.Model.ActivityModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into activity(");
strSql.Append("actid,name,note,lat,lng,alt,userName)");
strSql.Append(" values (");
strSql.Append("@actid,@name,@note,@lat,@lng,@alt,@userName)");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@actid", DbType.Int32, 4),
new SQLiteParameter("@name", DbType.String, 50),
new SQLiteParameter("@note", DbType.String, 500),
new SQLiteParameter("@lat", DbType.Double, 8),
new SQLiteParameter("@lng", DbType.Double, 8),
new SQLiteParameter("@alt", DbType.Double, 8),
new SQLiteParameter("@userName", DbType.String, 50)
};
parameters[0].Value = model.actid;
parameters[1].Value = model.name;
parameters[2].Value = model.note;
parameters[3].Value = model.lat;
parameters[4].Value = model.lng;
parameters[5].Value = model.alt;
parameters[6].Value = model.userName;
int rows = DbHelperSQLite.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public DogApi.Model.ActivityModel GetModel(int actid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select actid,name,note,lat,lng,alt,userName from activity ");
strSql.Append(" where actid=@actid ");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@actid", DbType.Int32, 4)
};
parameters[0].Value = actid;
DogApi.Model.ActivityModel model = new DogApi.Model.ActivityModel();
DataSet ds = DbHelperSQLite.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
