static public bool execute(string sql)
{
PDO pdo = new PDO();
bool res = pdo.execute(sql);
pdo.Dispose();
return(res);
}
public Model findModel()
{
PDO pdo = new PDO();
ResultSet resultSet = pdo.query(builder.buildSelect());
_model.setAttr(resultSet);
return(_model);
}
static public Hashtable find(string sql)
{
PDO pdo = new PDO();
ResultSet resultSet = pdo.query(sql);
Hashtable result = resultSet.hasNext() ? resultSet.fetch() : new Hashtable();
resultSet.Dispose();
pdo.Dispose();
return(result);
}
static public List <Hashtable> select(string sql)
{
List <Hashtable> list = new List <Hashtable>();
PDO pdo = new PDO();
ResultSet resultSet = pdo.query(sql);
while (resultSet.hasNext())
{
list.Add(resultSet.fetch());
}
resultSet.Dispose();
pdo.Dispose();
return(list);
}
public List <Hashtable> select()
{
List <Hashtable> result = new List <Hashtable>();
string sql = builder.buildSelect();
PDO pdo = new PDO();
ResultSet resultSet = pdo.query(sql);
while (resultSet.hasNext())
{
result.Add(resultSet.fetch());
}
resultSet.Dispose();
pdo.Dispose();
return(result);
}
public List <string> column(string field)
{
List <string> result = new List <string>();
string sql = builder.buildSelect();
PDO pdo = new PDO();
ResultSet resultSet = pdo.query(sql);
while (resultSet.hasNext())
{
Hashtable hashtable = resultSet.fetch();
result.Add(hashtable[field].ToString());
}
resultSet.Dispose();
pdo.Dispose();
return(result);
}
protected void selectCollect(Collect <Hashtable> collect)
{
if (collect == null)
{
throw new NullReferenceException("collect 列不能为Null");
}
string sql = builder.buildSelect();
PDO pdo = new PDO();
ResultSet resultSet = pdo.query(sql);
while (resultSet.hasNext())
{
collect.Add(resultSet.fetch());
}
resultSet.Dispose();
pdo.Dispose();
}
public Hashtable column(string field, string key)
{
Hashtable result = new Hashtable();
string sql = builder.buildSelect();
PDO pdo = new PDO();
ResultSet resultSet = pdo.query(sql);
while (resultSet.hasNext())
{
Hashtable hashtable = resultSet.fetch();
var k = hashtable[key];
var v = hashtable[field];
result[k] = v;
}
resultSet.Dispose();
pdo.Dispose();
return(result);
}
public Hashtable find()
{
//limit(1);
string sql = builder.buildSelect();
PDO pdo = new PDO();
ResultSet resultSet = pdo.query(sql);
Hashtable hashtable = null;
if (resultSet.hasNext())
{
hashtable = resultSet.fetch();
}
else
{
hashtable = new Hashtable();
}
resultSet.Dispose();
pdo.Dispose();
return(hashtable);
}
public long executeInsert(string sql)
{
PDO pdo = new PDO();
long lastID = -1;
try
{
System.Diagnostics.Debug.WriteLine(sql);
lastID = pdo.execute(sql, true);
}
catch (Exception e)
{
string message = e.Message;
Console.WriteLine("SQL execute Error");
Console.WriteLine("Message:" + message);
}
finally
{
pdo.Dispose();
}
return(lastID);
}
public bool executeUpdate(string sql)
{
bool res = false;
PDO pdo = new PDO();
try
{
res = pdo.execute(sql);
}
catch (Exception e)
{
string message = e.Message;
Console.WriteLine("SQL execute Error");
Console.WriteLine("Message:" + message);
//e.printStackTrace();
}
finally
{
pdo.Dispose();
}
return(res);
}