/// <summary>
/// 验证处理过程,派生类重写实现具体的验证规则
/// </summary>
/// <param name="value">属性值</param>
/// <param name="source">属性所属对象</param>
/// <param name="pm">属性映射描述</param>
/// <param name="cc">数据库上下文</param>
/// <returns>bool</returns>
protected override bool OnValidating(object value, object source, Mappings.PropertyMapper pm, IConnectinContext cc)
{
bool result = value != null && !string.IsNullOrEmpty(value.ToString());
if (!result && string.IsNullOrEmpty(Message))
{
Message = string.Format("{0}成员值不能为空!", pm.ColumnName);
}
return(result);
}
/// <summary>
/// 验证处理过程,派生类重写实现具体的验证规则
/// </summary>
/// <param name="value">属性值</param>
/// <param name="source">属性所属对象</param>
/// <param name="pm">属性映射描述</param>
/// <param name="cc">数据库上下文</param>
/// <returns>bool</returns>
protected override bool OnValidating(object value, object source, Mappings.PropertyMapper pm, IConnectinContext cc)
{
if (value != null && !string.IsNullOrEmpty(value.ToString()))
{
string data = Convert.ToString(value);
if (System.Text.RegularExpressions.Regex.Match(
data, Regex, RegexOptions.IgnoreCase).Length == 0)
{
return(false);
}
}
return(true);
}
/// <summary>
/// 验证处理过程,派生类重写实现具体的验证规则
/// </summary>
/// <param name="value">属性值</param>
/// <param name="source">属性所属对象</param>
/// <param name="pm">属性映射描述</param>
/// <param name="cc">数据库上下文</param>
/// <returns>bool</returns>
protected override bool OnValidating(object value, object source, Mappings.PropertyMapper pm, IConnectinContext cc)
{
if (value != null && !string.IsNullOrEmpty(value.ToString()))
{
string data = Convert.ToString(value);
if (MinLength != null && MinLength > data.Length)
{
return(false);
}
if (MaxLength != null && data.Length > MaxLength)
{
return(false);
}
}
return(true);
}
/// <summary>
/// 验证处理过程,派生类重写实现具体的验证规则
/// </summary>
/// <param name="value">属性值</param>
/// <param name="source">属性所属对象</param>
/// <param name="pm">属性映射描述</param>
/// <param name="cc">数据库上下文</param>
/// <returns>bool</returns>
protected override bool OnValidating(object value, object source, Mappings.PropertyMapper pm, IConnectinContext cc)
{
if (value == null)
{
return(true);
}
if (string.IsNullOrEmpty((string)value))
{
return(true);
}
string sql = "select {0} from {1} where {0}=@p1";
Command cmd = new Command(string.Format(sql, pm.ColumnName, pm.OM.Table));
cmd.AddParameter("p1", value);
object result = cc.ExecuteScalar(cmd);
return(result == null || result == DBNull.Value);
}
/// <summary>
/// 验证处理过程,派生类重写实现具体的验证规则
/// </summary>
/// <param name="value">属性值</param>
/// <param name="source">属性所属对象</param>
/// <param name="pm">属性映射描述</param>
/// <param name="cc">数据库上下文</param>
/// <returns>bool</returns>
protected override bool OnValidating(object value, object source, Mappings.PropertyMapper pm, IConnectinContext cc)
{
if (value != null && !string.IsNullOrEmpty(value.ToString()))
{
DateTime data = Convert.ToDateTime(value);
if (MinValue != null)
{
if (MinValue > data)
{
return(false);
}
}
if (MaxValue != null)
{
if (data > MaxValue)
{
return(false);
}
}
}
return(true);
}
/// <summary> /// 验证处理过程,派生类重写实现具体的验证规则 /// </summary> /// <param name="value">属性值</param> /// <param name="source">属性所属对象</param> /// <param name="pm">属性映射描述</param> /// <param name="cc">数据库上下文</param> /// <returns>bool</returns> protected abstract bool OnValidating(object value, object source, Mappings.PropertyMapper pm, IConnectinContext cc);
/// <summary>
/// 验证实体属性值
/// </summary>
/// <param name="value">属性值</param>
/// <param name="source">属性所属对象</param>
/// <param name="pm">属性映射描述</param>
/// <param name="cc">数据库上下文</param>
/// <returns>bool</returns>
public bool Validating(object value, object source, Mappings.PropertyMapper pm, IConnectinContext cc)
{
return(OnValidating(value, source, pm, cc));
}