entity framework model.tt 模板修改示例

//添加引用
public string UsingDirectives(bool inHeader, bool includeCollections = true)
{
    return inHeader == string.IsNullOrEmpty(_code.VsNamespaceSuggestion())
        ? string.Format(
            CultureInfo.InvariantCulture,
            "{0}using System;{1}{3}" +
            "{2}",
            inHeader ? Environment.NewLine : "",
            includeCollections ? (Environment.NewLine + "using System.Collections.Generic;") : "",
            inHeader ? "" : Environment.NewLine, Environment.NewLine + "using System.Runtime.Serialization;")
        : "";
}

//给属性增加[DataMember]
public string Property(EdmProperty edmProperty)
{
    return string.Format(
        CultureInfo.InvariantCulture,
        "{5}{0} {1} {2} {{ {3}get; {4}set; }}",
        Accessibility.ForProperty(edmProperty),
        _typeMapper.GetTypeName(edmProperty.TypeUsage),
        _code.Escape(edmProperty),
        _code.SpaceAfter(Accessibility.ForGetter(edmProperty)),
        _code.SpaceAfter(Accessibility.ForSetter(edmProperty)), "[DataMember]" + Environment.NewLine);
}

//上面没有对齐，加一个tab
public string Property(EdmProperty edmProperty)
{
    return string.Format(
        CultureInfo.InvariantCulture,
        "{5}\t{0} {1} {2} {{ {3}get; {4}set; }}",
        Accessibility.ForProperty(edmProperty),
        _typeMapper.GetTypeName(edmProperty.TypeUsage),
        _code.Escape(edmProperty),
        _code.SpaceAfter(Accessibility.ForGetter(edmProperty)),
        _code.SpaceAfter(Accessibility.ForSetter(edmProperty)), "[DataMember]" + Environment.NewLine);
}

//给类添加[DataContract]
public string EntityClassOpening(EntityType entity)
{
    return string.Format(
        CultureInfo.InvariantCulture,
        "{4}{0} {1}partial class {2}{3}",
        Accessibility.ForType(entity),
        _code.SpaceAfter(_code.AbstractOption(entity)),
        _code.Escape(entity),
        _code.StringBefore(" : ", _typeMapper.GetTypeName(entity.BaseType)),
        "[DataContract]" + Environment.NewLine);
}

生成的实体类为
//------------------------------------------------------------------------------
// <auto-generated>
//    This code was generated from a template.
//
//    Manual changes to this file may cause unexpected behavior in your application.
//    Manual changes to this file will be overwritten if the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

namespace model
{
    using System;
    using System.Collections.Generic;
    using System.Runtime.Serialization;
    
    [DataContract]
    public partial class news
    {
        [DataMember]
        public int id { get; set; }
        [DataMember]
        public string title { get; set; }
        [DataMember]
        public string body { get; set; }
        [DataMember]
        public string author { get; set; }
        [DataMember]
        public Nullable<System.DateTime> created { get; set; }
        [DataMember]
        public Nullable<System.DateTime> modified { get; set; }
    }
}