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JsonSerializerSettings jss = new JsonSerializerSettings(); jss.NullValueHandling = NullValueHandling.Ignore; var data = JsonConvert.SerializeObject(lp 阅读全文
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node 连接数据库时报的错误。 mysql8.0以上加密方式,Node还不支持。 mysql> alter user 'root'@'localhost' identified with mysql_native_password by '1234';mysql> flush privileges 阅读全文
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select top 10 * from GoodsTab WHERE GoodsID NOT IN ( SELECT TOP (10*(2-1) GoodsID FROM dbo.GoodsTab WHERE GoodsTypeID=2 ORDER BY GoodsID DESC ) AND Go 阅读全文