mybatis批量更新不同参数多条语句带分号update报错的解决方案

Posted 2023-03-26 xingmeng1

问题

在走接口的时候，需要使用mybtatis的批量更新，偷了个懒使用Foreach的形式拼接多个sql语句进行更新。结果在执行到这个sql的时候update一直报错

### Error 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 syntax to use near \'update xxxxxxxxxxxxxxxxx at line 1
### The error may exist in xxxxxxxxx.java (best guess)
### The error may involve xxxxxxxxxx.someaction-Inline
### The error occurred while setting parameters
### SQL: update xxxxxxxxxxxxxxx
### 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 syntax to use near \'update invoice_check set company_id = \'1132\',pch = \'2021050610191505316062112345\' at line 1\\n; bad SQL grammar []; nested exception is 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 \'update xxxxxxxxxxxxxxx at line 1

　　

让我检查update左侧的语句，而左侧的语句是;，怎么会出问题，于是将sql打印出来查看

update xxx set xxx = xxx where id = x ; update xxx set xxx = xxx where id = x 

　　

直接扔到navicat里执行无误，但是在程序中就挂掉了

解决方案

在jdbc中加上一句

 

&allowMultiQueries=true

　　

就解决了
例如

jdbc:mysql://localhost/test?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8&useAffectedRows=true&allowMultiQueries=true