[摘要] Problem Description When the winter holiday comes, a lot of people will have a trip. Generally, there are a lot of souvenirs to sell, and sometimes th[全文]
[摘要] 1. 環境準備 Spring , Spring Data, JPA, HIbernate, JDK 1.72. 問題提出 在使用Spring Data 來更新數據之時，爆出了如下錯誤信息：@Query("UPDATE User u SET u.state = ?1 WHERE u.server.id...[全文]
