public IEnumerable <PropInfo> GetPropInfos(Type type)
{
var instance = type.Assembly.CreateInstance(type.FullName);
foreach (var item in type.GetProperties())
{
if (item.Name == "Id")
{
continue;
}
if (item.GetCustomAttribute <ExcludeAttribute>() != null)
{
continue;
}
var summary = T4Help.GetPropertySummary(item, XmlDocDir);
var defaultValue = instance.GetValue(item.Name)?.ToString();
if (defaultValue == null)
{
defaultValue = "null";
}
if (T4Help.GetNullableType(item.PropertyType) == typeof(string))
{
defaultValue = $"\"{defaultValue}\"";
}
if (T4Help.GetNullableType(item.PropertyType) == typeof(string))
{
defaultValue = $"\"{defaultValue}\"";
}
yield return(new PropInfo()
{
Summary = summary,
AttrInfos = GetAttrInfos(item),
TypeName = T4Help.GetTypeName(item.PropertyType),
Name = item.Name,
DefaultValue = defaultValue
});
if (TryGetAttribute <RelatedToAttribute>(item, out var relatedToAttribute))
{
var relateTypeName = relatedToAttribute.RelatedType.Name;
yield return(new PropInfo()
{
Summary = summary,
TypeName = $"{relateTypeName}ViewModel",
Name = item.Name.Replace("_Id", "")
});
}
}
if (typeof(ITreeEntity).IsAssignableFrom(type))
{
yield return new PropInfo
{
Name = "HasTreeChildren",
DefaultValue = "false",
Summary = "是否有下级",
TypeName = "bool"
}
}
;
if (typeof(IHaveMultiFile).IsAssignableFrom(type))
{
yield return new PropInfo
{
Name = "Files",
DefaultValue = "Array.Empty<ResourceModel>()",
Summary = "附件",
TypeName = "IEnumerable<ResourceModel>"
}
}
;
}
public virtual void ModelEntityCreating(EntityTypeBuilder <T> entityTypeBuilder)
{
//Debugger.Launch();
var entityType = typeof(T);
var currNameSpace = string.Join(",", entityType.Namespace.Split(new char[] { '.' }).Skip(2));
if (typeof(IEntity).IsAssignableFrom(entityType))
{
/*指定主键*/
entityTypeBuilder.HasKey("Id");
entityTypeBuilder.Property("Id").ValueGeneratedNever();
entityTypeBuilder.ToTable($"{currNameSpace}_{entityType.Name}".ToLower());
entityTypeBuilder.HasComment(T4Help.GetClassSummary(entityType, AppDomain.CurrentDomain.BaseDirectory));
}
else
{
entityTypeBuilder
.HasNoKey()
.ToView($"{currNameSpace}_{entityType.Name}".ToLower());
}
/*过滤掉软删除的*/
if (typeof(IHasSoftDelete).IsAssignableFrom(entityType))
{
entityTypeBuilder.Property <bool>("isdeleted");
entityTypeBuilder.HasQueryFilter(v => !EF.Property <bool>(v, "isdeleted"));
entityTypeBuilder.HasIndex("isdeleted").HasDatabaseName($"Index_{entityType.Name}_isdeleted");
}
if (typeof(IHasTenant).IsAssignableFrom(entityType))
{
entityTypeBuilder.Property <string>("tenant_id").HasMaxLength(25);
entityTypeBuilder.HasIndex("tenant_id").HasDatabaseName($"Index_{entityType.Name}_tenant_id");
}
foreach (var item in typeof(T).GetProperties())
{
if (item.GetCustomAttribute <NotMappedAttribute>() != null)
{
continue;
}
var propType = T4Help.GetNullableType(item.PropertyType);
var propertyBuilder = entityTypeBuilder
.Property(item.Name)
.HasColumnName(item.Name.ToLower());
propertyBuilder.HasComment(T4Help.GetPropertySummary(item, AppDomain.CurrentDomain.BaseDirectory));
/*索引ID*/
if (typeof(IEntity).IsAssignableFrom(entityType))
{
if (item.Name.EndsWith("Id") && item.Name != "Id")
{
entityTypeBuilder.HasIndex(item.Name).HasDatabaseName($"Index_{entityType.Name}_{item.Name}");
}
if (propType == typeof(string))
{
/*所有字符串,指定为unicode*/
propertyBuilder.IsUnicode();
/*所有ID,指定长度为25*/
if (item.Name.EndsWith("Id"))
{
propertyBuilder.HasMaxLength(25);
}
}
}
if (propType == typeof(decimal))
{
propertyBuilder.HasPrecision(10, 2);
}
else if (propType.IsEnum)
{
propertyBuilder.HasConversion <string>().HasMaxLength(50);
}
}
}