/// <summary>
/// 将对象转换为一条数据库记录并存入
/// </summary>
/// <param name="model">要存入的对象</param>
/// <returns></returns>
public virtual bool Add(ModelBase model)
{
OpenConnection();
Type t = model.GetType();
var props = t.GetProperties();
List <PropertyInfo> baseProps = new List <PropertyInfo>();
PropertyInfo primaryKey = null;
int primaryKeyCnt = 0;
foreach (var p in props)
{
if (p.PropertyType.Namespace == "System")
{
baseProps.Add(p);
}
}
KeyValuePair <string, object>[] vals = new KeyValuePair <string, object> [baseProps.Count];
string[] propNms = new string[baseProps.Count];
int i = 0;
foreach (var p in baseProps)
{
string key = p.Name;
object value = null;
if (p.IsDefined(typeof(MyPrimaryKeyAttribute)))
{
primaryKeyCnt++;
}
if (p.IsDefined(typeof(MyAutoIncrementAttribute)) && Convert.ToInt32(p.GetValue(model)) == 0)
{
continue;
}
value = p.GetValue(model);
vals[i] = new KeyValuePair <string, object>(key, value);
propNms[i] = key;
i++;
}
string sql = stringBuilder.InsertString(GetTableName(t), propNms);
int res = helper.DoUpdate(sql, vals);
// UpdateModel
if (1 == primaryKeyCnt && 0 < res)
{
primaryKey = FindAutoIncrementPrimaryKey(t);
if (null != primaryKey)
{
sql = stringBuilder.SelectLastInsertRow(GetTableName(t), primaryKey.Name);
var table = helper.DoSelect(sql);
initModel(table.Rows[0], t, model);
}
}
helper.ShutDown();
return(res > 0);
}
