修改时sql报错，用的通用mapper

Question

org.springframework.jdbc.BadSqlGrammarException:

Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4. MySQLSyntaxErrorException: 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 'WHERE id = null' at line 1

Answer 1

syntax to use near 'WHERE id = null' at line 1
这就是参数问题，你看下控制台的参数情况就知道了，有值传过去了，你后台不一定接收正常。