/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.Article model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Article set ");
strSql.Append("Title=@Title,");
strSql.Append("Detail=@Detail,");
strSql.Append("Summary=@Summary,");
strSql.Append("Author=@Author,");
strSql.Append("SubmitTime=@SubmitTime,");
strSql.Append("UpdateTime=@UpdateTime,");
strSql.Append("Type=@Type,");
strSql.Append("Click=@Click,");
strSql.Append("Order=@Order");
strSql.Append(" where ID=@ID");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@Title", DbType.String),
new SQLiteParameter("@Detail", DbType.String),
new SQLiteParameter("@Summary", DbType.String),
new SQLiteParameter("@Author", DbType.String),
new SQLiteParameter("@SubmitTime", DbType.String),
new SQLiteParameter("@UpdateTime", DbType.String),
new SQLiteParameter("@Type", DbType.String),
new SQLiteParameter("@Click", DbType.String),
new SQLiteParameter("@Order", DbType.Int32,8),
new SQLiteParameter("@ID", DbType.Int32, 8)
};
parameters[0].Value = model.Title;
parameters[1].Value = model.Detail;
parameters[2].Value = model.Summary;
parameters[3].Value = model.Author;
parameters[4].Value = model.SubmitTime;
parameters[5].Value = model.UpdateTime;
parameters[6].Value = model.Type;
parameters[7].Value = model.Click;
parameters[8].Value = model.Order;
parameters[9].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.Article DataRowToModel(DataRow row)
{
Model.Article model = new Model.Article();
if (row != null)
{
if (row["ID"] != null && row["ID"].ToString() != "")
{
model.ID = int.Parse(row["ID"].ToString());
}
if (row["Title"] != null)
{
model.Title = row["Title"].ToString();
}
if (row["Detail"] != null)
{
model.Detail = row["Detail"].ToString();
}
if (row["Summary"] != null)
{
model.Summary = row["Summary"].ToString();
}
if (row["Author"] != null)
{
model.Author = row["Author"].ToString();
}
if (row["SubmitTime"] != null)
{
model.SubmitTime = row["SubmitTime"].ToString();
}
if (row["UpdateTime"] != null)
{
model.UpdateTime = row["UpdateTime"].ToString();
}
if (row["Type"] != null)
{
model.Type = row["Type"].ToString();
}
if (row["Click"] != null)
{
model.Click = row["Click"].ToString();
}
if (row["Order"] != null && row["Order"].ToString() != "")
{
model.Order = int.Parse(row["Order"].ToString());
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Model.Article model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Article(");
strSql.Append("Title,Detail,Summary,Author,SubmitTime,UpdateTime,Type,Click,Order)");
strSql.Append(" values (");
strSql.Append("@Title,@Detail,@Summary,@Author,@SubmitTime,@UpdateTime,@Type,@Click,@Order)");
strSql.Append(";select LAST_INSERT_ROWID()");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@Title", DbType.String),
new SQLiteParameter("@Detail", DbType.String),
new SQLiteParameter("@Summary", DbType.String),
new SQLiteParameter("@Author", DbType.String),
new SQLiteParameter("@SubmitTime", DbType.String),
new SQLiteParameter("@UpdateTime", DbType.String),
new SQLiteParameter("@Type", DbType.String),
new SQLiteParameter("@Click", DbType.String),
new SQLiteParameter("@Order", DbType.Int32, 8)
};
parameters[0].Value = model.Title;
parameters[1].Value = model.Detail;
parameters[2].Value = model.Summary;
parameters[3].Value = model.Author;
parameters[4].Value = model.SubmitTime;
parameters[5].Value = model.UpdateTime;
parameters[6].Value = model.Type;
parameters[7].Value = model.Click;
parameters[8].Value = model.Order;
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.Article GetModel(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select * from Article ");
strSql.Append(" where ID=@ID");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@ID", DbType.Int32, 4)
};
parameters[0].Value = ID;
Model.Article model = new Model.Article();
DataSet ds = DbHelperSQLite.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}