萬能方法解決——You have an error in your SQL syntax
萬能方法解決——You have an error in your SQL syntax
問題分析
顯而易見，肯定是你的SQL語句在執行的時候出現了語法錯誤
第一步
在xml檔案中配置以下內容來啟動MyBatis的debug模式：
logging:
level:
com.chat.mapper: debug #這裡修改成你們自己mapper類的包路徑
做好上面步驟之後，重啟服務，再次進行測試，然後就可以在控制檯看到執行的SQL語句了，下面是示例：
第二步
知道SQL語句之後，就可以進行分析啦，比如用用MySql執行一下等方式，大的來說有以下幾種情況：
1、基本句法錯誤
2、表名或者欄位名與SQL中的關鍵詞同名
3、引數傳入時未加 '（單引號）
4、..........
第三步
經過上面兩步，想必大家都知道自己的問題出在哪裡了，接下來就是對症下藥即可
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