public static string GetColumnName(this PropertyInfo prop)
{
if (prop.IsDefined(typeof(ColumnAttribute), true))
{
ColumnAttribute attribute = (ColumnAttribute)prop.GetCustomAttribute(typeof(ColumnAttribute), true);
return(attribute.GetColumnName());
}
else
{
return(prop.Name);
}
}
internal static Dictionary <string, object> GetFieldsWithValues <T>(T entity, List <PropertyInfo> properties, bool ignoreAutoIncrementKey) where T : new()
{
var output = new Dictionary <string, object>();
properties.ForEach(property =>
{
if (Attribute.IsDefined(property, typeof(ForeignKeyModelAttribute)) ||
Attribute.IsDefined(property, typeof(IgnoreAttribute)) ||
(ignoreAutoIncrementKey && KeyAttribute.IsAutoIncrementKey(property))) // Ignore Auto increment key
{
return;
}
var columnName = ColumnAttribute.GetColumnName(typeof(T), property.Name);
output.Add(columnName, property.GetValue(entity));
});
return(output);
}
/// <summary>
/// 解析属性字段参数。
/// </summary>
/// <param name="exp"></param>
/// <param name="member"></param>
/// <returns></returns>
private string Resolver(MemberExpression exp, MemberInfo member)
{
string result = string.Empty;
if (exp != null && (exp.Expression == null || exp.Expression.NodeType != ExpressionType.Parameter))//静态值
{
object value = GetExpressionValue(exp);
if (value is Array)//数组解析为p1,p2,p3,
{
var arr = value as Array;
foreach (var item in arr)
{
result += AddParameter(item) + ",";
}
}
else
{
result += AddParameter(value, member?.Name) + ",";
}
}
else
{
if (member != null && IsAnonymousType(member.DeclaringType))
{
AnonymousMemberMapper[member] = exp.Member;
}
var realMember = GetRealMemberInfo(exp.Member);//递归获取。
if (!ColumnInfos.ContainsKey(realMember))
{
ColumnInfos[realMember] = new ColumnInfo()
{
Alias = member?.Name,
Source = SourceInfos[realMember.ReflectedType],
ColumnText = ColumnAttribute.GetColumnName(realMember)
};
}
result += Adapter.Field(ColumnInfos[realMember], !(member == null)) + ",";
}
return(result);
}
