mybatis的报错____3Error updating database. Cause: java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right

smbms_bill set billCode=?, productName=?, productDesc=?, where id=?

没错，在where id = ?之前多了一个 逗号，正确姿势，去删掉接口配置文件中 最后一个if标签的逗号。

（不得不说 log4j日志打印信息真是好用！）

mybatis的报错____3Error updating database. Cause: java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right

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