internal static void SetColumnDbType(DBAdapter.DBAdapterBase dbAdapter, Attribute.FieldInnerAttribute info)
{
//if (info.FieldType != Attribute.FieldType.数据库字段)
//{
// return;
//}
string defaultValue;
Type propertyType = info.PropertyType;
var columnType = dbAdapter.GetColumnType(info, out defaultValue);
info.ColumnType = columnType;
info.DefaultValue = defaultValue;
if (info.ColumnType.Contains("{0}"))
{
throw new Exception(string.Format("属性:{0} 需要指定长度 ColumnType:{1}", info.MemberName, info.ColumnType));
}
}
/// <summary>
/// 创建列
/// </summary>
/// <param name="db"></param>
/// <param name="item"></param>
/// <returns></returns>
internal static string CreateColumn(AbsDBExtend db, Attribute.FieldInnerAttribute item)
{
var dbAdapter = db._DBAdapter;
string result = "";
if (string.IsNullOrEmpty(item.ColumnType))
{
throw new Exception("ColumnType is null");
}
string str = dbAdapter.GetCreateColumnScript(item);
string indexScript = "";
if (item.FieldIndexType != Attribute.FieldIndexType.无)
{
indexScript = dbAdapter.GetColumnIndexScript(item);
}
try
{
db.Execute(str);
if (!string.IsNullOrEmpty(indexScript))
{
db.Execute(indexScript);
}
result = string.Format("创建字段:{0} {1} {2}\r\n", item.TableName, item.MemberName, item.PropertyType);
var model = System.Activator.CreateInstance(item.ModelType) as IModel;
try
{
model.OnColumnCreated(item.MemberName);
}
catch (Exception ero)
{
result = string.Format("添加字段:{0} {1},升级数据时发生错误:{2}\r\n", item.TableName, item.MemberName, ero.Message);
}
EventLog.Log(result, "", false);
}
catch (Exception ero)
{
//EventLog.Log("创建字段时发生错误:" + ero.Message);
result = string.Format("创建字段:{0} {1}发生错误:{2}\r\n", item.TableName, item.MemberName, ero.Message);
}
return(result);
}
static void InitProperties(Attribute.TableInnerAttribute table)
{
if (table.Fields.Count > 0)
{
return;
}
var type = table.Type;
List <Attribute.FieldInnerAttribute> list = new List <CRL.Attribute.FieldInnerAttribute>();
var fieldDic = new IgnoreCaseDictionary <Attribute.FieldInnerAttribute>();
//string fieldPat = @"^([A-Z][a-z|\d]+)+$";
int n = 0;
Attribute.FieldInnerAttribute keyField = null;
#region 读取
var typeArry = table.Type.GetProperties().ToList();
//移除重复的
var dic = new Dictionary <string, PropertyInfo>();
foreach (PropertyInfo info in typeArry)
{
if (!dic.ContainsKey(info.Name))
{
dic.Add(info.Name, info);
}
}
foreach (PropertyInfo info in dic.Values)
{
//if (!System.Text.RegularExpressions.Regex.IsMatch(info.Name, fieldPat))
//{
// throw new CRLException(string.Format("属性名:{0} 不符合规则:{1}", info.Name, fieldPat));
//}
//排除没有SET方法的属性
if (info.GetSetMethod() == null)
{
continue;
}
Type propertyType = info.PropertyType;
var f = new CRL.Attribute.FieldInnerAttribute();
//排除集合类型
if (propertyType.FullName.IndexOf("System.Collections") > -1)
{
continue;
}
object[] attrs = info.GetCustomAttributes(typeof(Attribute.FieldAttribute), true);
if (attrs != null && attrs.Length > 0)
{
var atr = attrs[0] as Attribute.FieldAttribute;
atr.MemberName = info.Name;
f = atr.ToType <Attribute.FieldInnerAttribute>();
}
f.SetPropertyInfo(info);
f.PropertyType = propertyType;
f.MemberName = info.Name;
f.TableName = table.TableName;
f.ModelType = table.Type;
//排除不映射字段
if (!f.MapingField)
{
continue;
}
if (propertyType == typeof(System.String))
{
if (f.Length == 0)
{
f.Length = 30;
}
}
if (f.IsPrimaryKey)//保存主键
{
table.PrimaryKey = f;
f.FieldIndexType = Attribute.FieldIndexType.非聚集唯一;
keyField = f;
n += 1;
}
if (!fieldDic.ContainsKey(f.MemberName))
{
fieldDic.Add(f.MemberName, f);
}
list.Add(f);
}
if (n == 0)
{
//throw new CRLException(string.Format("对象{0}未设置任何主键", type.Name));
}
else if (n > 1)
{
throw new CRLException(string.Format("对象{0}设置的主键字段太多 {1}", type.Name, n));
}
#endregion
//主键排前面
if (keyField != null)
{
list.Remove(keyField);
list.Insert(0, keyField);
}
table.Fields = list;
table.FieldsDic = fieldDic;
}
