/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.Pic model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Pic set ");
strSql.Append("ImageURL=@ImageURL,");
strSql.Append("AID=@AID,");
strSql.Append("Type=@Type,");
strSql.Append("Number=@Number,");
strSql.Append("Title=@Title,");
strSql.Append("Summary=@Summary");
strSql.Append(" where ID=@ID");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@ImageURL", DbType.String),
new SQLiteParameter("@AID", DbType.String),
new SQLiteParameter("@Type", DbType.String),
new SQLiteParameter("@Number", DbType.String),
new SQLiteParameter("@Title", DbType.String),
new SQLiteParameter("@Summary", DbType.String),
new SQLiteParameter("@ID", DbType.Int32, 8)
};
parameters[0].Value = model.ImageURL;
parameters[1].Value = model.AID;
parameters[2].Value = model.Type;
parameters[3].Value = model.Number;
parameters[4].Value = model.Title;
parameters[5].Value = model.Summary;
parameters[6].Value = model.ID;
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 Model.Pic DataRowToModel(DataRow row)
{
Model.Pic model = new Model.Pic();
if (row != null)
{
if (row["ID"] != null && row["ID"].ToString() != "")
{
model.ID = int.Parse(row["ID"].ToString());
}
if (row["ImageURL"] != null)
{
model.ImageURL = row["ImageURL"].ToString();
}
if (row["AID"] != null)
{
model.AID = row["AID"].ToString();
}
if (row["Type"] != null)
{
model.Type = row["Type"].ToString();
}
if (row["Number"] != null)
{
model.Number = row["Number"].ToString();
}
if (row["Title"] != null)
{
model.Title = row["Title"].ToString();
}
if (row["Summary"] != null)
{
model.Summary = row["Summary"].ToString();
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Model.Pic model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Pic(");
strSql.Append("ImageURL,AID,Type,Number,Title,Summary)");
strSql.Append(" values (");
strSql.Append("@ImageURL,@AID,@Type,@Number,@Title,@Summary)");
strSql.Append(";select LAST_INSERT_ROWID()");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@ImageURL", DbType.String),
new SQLiteParameter("@AID", DbType.String),
new SQLiteParameter("@Type", DbType.String),
new SQLiteParameter("@Number", DbType.String),
new SQLiteParameter("@Title", DbType.String),
new SQLiteParameter("@Summary", DbType.String)
};
parameters[0].Value = model.ImageURL;
parameters[1].Value = model.AID;
parameters[2].Value = model.Type;
parameters[3].Value = model.Number;
parameters[4].Value = model.Title;
parameters[5].Value = model.Summary;
object obj = DbHelperSQLite.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.Pic GetModel(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select ID,ImageURL,AID,Type,Number,Title,Summary from Pic ");
strSql.Append(" where ID=@ID");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@ID", DbType.Int32, 4)
};
parameters[0].Value = ID;
Model.Pic model = new Model.Pic();
DataSet ds = DbHelperSQLite.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}