/// <summary>
/// 得到一个对象实体
/// </summary>
public DogApi.Model.DogModel DataRowToModel(DataRow row)
{
DogApi.Model.DogModel model = new DogApi.Model.DogModel();
if (row != null)
{
if (row["dogid"] != null && row["dogid"].ToString() != "")
{
model.dogid = int.Parse(row["dogid"].ToString());
}
if (row["name"] != null)
{
model.name = row["name"].ToString();
}
if (row["age"] != null && row["age"].ToString() != "")
{
model.age = int.Parse(row["age"].ToString());
}
if (row["typeid"] != null && row["typeid"].ToString() != "")
{
model.typeid = int.Parse(row["typeid"].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.DogModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update dog set ");
strSql.Append("name=@name,");
strSql.Append("age=@age,");
strSql.Append("typeid=@typeid,");
strSql.Append("lat=@lat,");
strSql.Append("lng=@lng,");
strSql.Append("alt=@alt,");
strSql.Append("userName=@userName");
strSql.Append(" where dogid=@dogid ");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@name", DbType.String, 50),
new SQLiteParameter("@age", DbType.Int32, 4),
new SQLiteParameter("@typeid", DbType.Int32, 4),
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("@dogid", DbType.Int32, 4)
};
parameters[0].Value = model.name;
parameters[1].Value = model.age;
parameters[2].Value = model.typeid;
parameters[3].Value = model.lat;
parameters[4].Value = model.lng;
parameters[5].Value = model.alt;
parameters[6].Value = model.userName;
parameters[7].Value = model.dogid;
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.DogModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into dog(");
strSql.Append("dogid,name,age,typeid,lat,lng,alt,userName)");
strSql.Append(" values (");
strSql.Append("@dogid,@name,@age,@typeid,@lat,@lng,@alt,@userName)");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@dogid", DbType.Int32, 4),
new SQLiteParameter("@name", DbType.String, 50),
new SQLiteParameter("@age", DbType.Int32, 4),
new SQLiteParameter("@typeid", DbType.Int32, 4),
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 = GetMaxId();
parameters[1].Value = model.name;
parameters[2].Value = model.age;
parameters[3].Value = model.typeid;
parameters[4].Value = model.lat;
parameters[5].Value = model.lng;
parameters[6].Value = model.alt;
parameters[7].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.DogModel GetModel(int dogid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select dogid,name,age,typeid,lat,lng,alt,userName from dog ");
strSql.Append(" where dogid=@dogid ");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@dogid", DbType.Int32, 4)
};
parameters[0].Value = dogid;
DogApi.Model.DogModel model = new DogApi.Model.DogModel();
DataSet ds = DbHelperSQLite.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
