/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(JC.Model.modules model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update modules set ");
strSql.Append("parentid=@parentid,");
strSql.Append("title=@title,");
strSql.Append("content=@content,");
strSql.Append("url=@url,");
strSql.Append("blank=@blank,");
strSql.Append("pic=@pic,");
strSql.Append("path=@path,");
strSql.Append("stem=@stem,");
strSql.Append("haschild=@haschild,");
strSql.Append("orderby=@orderby");
strSql.Append(" where id=@id ");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@parentid", DbType.Int32, 8),
new SQLiteParameter("@title", DbType.String),
new SQLiteParameter("@content", DbType.String),
new SQLiteParameter("@url", DbType.String),
new SQLiteParameter("@blank", DbType.Int32, 8),
new SQLiteParameter("@pic", DbType.String),
new SQLiteParameter("@path", DbType.String),
new SQLiteParameter("@stem", DbType.Int32, 8),
new SQLiteParameter("@haschild", DbType.Int32, 8),
new SQLiteParameter("@orderby", DbType.Int32, 8),
new SQLiteParameter("@id", DbType.Int32, 8)
};
parameters[0].Value = model.parentid;
parameters[1].Value = model.title;
parameters[2].Value = model.content;
parameters[3].Value = model.url;
parameters[4].Value = model.blank;
parameters[5].Value = model.pic;
parameters[6].Value = model.path;
parameters[7].Value = model.stem;
parameters[8].Value = model.haschild;
parameters[9].Value = model.orderby;
parameters[10].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 JC.Model.modules DataRowToModel(DataRow row)
{
JC.Model.modules model = new JC.Model.modules();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["parentid"] != null && row["parentid"].ToString() != "")
{
model.parentid = int.Parse(row["parentid"].ToString());
}
if (row["title"] != null)
{
model.title = row["title"].ToString();
}
if (row["content"] != null)
{
model.content = row["content"].ToString();
}
if (row["url"] != null)
{
model.url = row["url"].ToString();
}
if (row["blank"] != null && row["blank"].ToString() != "")
{
model.blank = int.Parse(row["blank"].ToString());
}
if (row["pic"] != null)
{
model.pic = row["pic"].ToString();
}
if (row["path"] != null)
{
model.path = row["path"].ToString();
}
if (row["stem"] != null && row["stem"].ToString() != "")
{
model.stem = int.Parse(row["stem"].ToString());
}
if (row["haschild"] != null && row["haschild"].ToString() != "")
{
model.haschild = int.Parse(row["haschild"].ToString());
}
if (row["orderby"] != null && row["orderby"].ToString() != "")
{
model.orderby = int.Parse(row["orderby"].ToString());
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(JC.Model.modules model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into modules(");
strSql.Append("parentid,title,content,url,blank,pic,path,stem,haschild,orderby)");
strSql.Append(" values (");
strSql.Append("@parentid,@title,@content,@url,@blank,@pic,@path,@stem,@haschild,@orderby)");
strSql.Append(";select LAST_INSERT_ROWID()"); //rowid id 居然是保持一致的
SQLiteParameter[] parameters =
{
new SQLiteParameter("@parentid", DbType.Int32, 8),
new SQLiteParameter("@title", DbType.String),
new SQLiteParameter("@content", DbType.String),
new SQLiteParameter("@url", DbType.String),
new SQLiteParameter("@blank", DbType.Int32, 8),
new SQLiteParameter("@pic", DbType.String),
new SQLiteParameter("@path", DbType.String),
new SQLiteParameter("@stem", DbType.Int32, 8),
new SQLiteParameter("@haschild", DbType.Int32, 8),
new SQLiteParameter("@orderby", DbType.Int32, 8)
};
parameters[0].Value = model.parentid;
parameters[1].Value = model.title;
parameters[2].Value = model.content;
parameters[3].Value = model.url;
parameters[4].Value = model.blank;
parameters[5].Value = model.pic;
parameters[6].Value = model.path;
parameters[7].Value = model.stem;
parameters[8].Value = model.haschild;
parameters[9].Value = model.orderby;
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 JC.Model.modules GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id,parentid,title,content,url,blank,pic,path,stem,haschild,orderby from modules ");
strSql.Append(" where id=@id ");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@id", DbType.Int32, 8)
};
parameters[0].Value = id;
JC.Model.modules model = new JC.Model.modules();
DataSet ds = DbHelperSQLite.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
