/// <summary>
/// 创建指定视图类型的字段列表。
/// </summary>
/// <param name="entityMapper">实体的类型映射器。</param>
/// <param name="viewMapper">视图的类型映射器。</param>
/// <returns>包含在 <paramref name="entityMapper"/> 的 <paramref name="viewMapper"/> 属性集合，并对每个属性进行转义。</returns>
public virtual string CreateFields(TypeMapper entityMapper, TypeMapper viewMapper)
{
if (entityMapper == null)
{
throw new ArgumentNullException(nameof(entityMapper));
}
if (viewMapper == null)
{
throw new ArgumentNullException(nameof(viewMapper));
}
string fields = "*";
if (entityMapper != viewMapper)
{
List <string> fieldList = new List <string>();
foreach (var viewProperty in viewMapper.Properties)
{
if (viewProperty.IsIgnore)
{
continue;
}
if (!entityMapper.Contains(viewProperty.Name))
{
continue;
}
fieldList.Add(this.EscapeName(viewProperty.Name, NamePoint.Field));
}
fields = fieldList.ToArray().Join();
}
return(fields);
}
/// <summary>
/// 创建指定视图类型的字段列表。
/// </summary>
/// <param name="entityMapper">实体的类型映射器。</param>
/// <param name="viewMapper">视图的类型映射器。</param>
/// <returns>包含在 <paramref name="entityMapper"/> 的 <paramref name="viewMapper"/> 属性集合，并对每个属性进行转义。</returns>
public virtual string CreateFields(TypeMapper entityMapper, TypeMapper viewMapper)
{
if(entityMapper == null) throw new ArgumentNullException(nameof(entityMapper));
if(viewMapper == null) throw new ArgumentNullException(nameof(viewMapper));
string fields = "*";
if(entityMapper != viewMapper)
{
List<string> fieldList = new List<string>();
foreach(var viewProperty in viewMapper.Properties)
{
if(viewProperty.IsIgnore) continue;
if(!entityMapper.Contains(viewProperty.Name)) continue;
fieldList.Add(this.EscapeName(viewProperty.Name, NamePoint.Field));
}
fields = fieldList.ToArray().Join();
}
return fields;
}
