SELECT * FROM table as t WHERE "张三的偶像" LIKE t.userName;
bool thisMchBelong = _mch_blackService.Exists(x => x.merchant_name == model.MerchantFullName || model.MerchantFullName.Contains(x.merchant_name));
原文：https://www.cnblogs.com/runliuv/p/12587940.html