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直接上代码
//获取一次所有的宝贝信息
var skus = from i in _dbContext.ItemInfos
join s in _dbContext.SkuInfos on i.ItemId equals s.ItemId into temp
from t in temp.DefaultIfEmpty()
select new
{
SkuCode = (t == null ? i.ItemCode : t.SkuCode),
ItemName = i.ItemName,
};
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原文地址:http://my.oschina.net/isxiaoge/blog/509095