java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''',b_5='17',b_6=''
where b_name='A'' at line 2
出现这个问题通常都涉及数据库语句的错误，先认真查看自己的数据库语句，还有字段名称是否对应好，我看了半天，觉得都和数据库对上了，才发现，数据库语句少了个等于号...
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