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                企業??AI智能體構建引擎,智能編排和調試,一鍵部署,支持知識庫和私有化部署方案 廣告
                - 1.創建一個maven工程 - 2.引入項目依賴的jar包 - 3.引入bootstrap,jquery - 4.創建項目包結構 - 5.編寫web.xml配置文件 - 6.編寫sping,springmvc,mybatis配置文件 - 7.創建表department,employee CASCADE:父表delete、update的時候,子表會delete、update掉關聯記錄;SET NULL:父表delete、update的時候,子表會將關聯記錄的外鍵字段所在列設為null,所以注意在設計表時外鍵不能設為not null;RESTRICT:如果想要刪除父表的記錄時,而在子表中有關聯該父表的記錄,則不允許刪除父表中的記錄;NO ACTION:同 RESTRICT,也是首先先檢查外鍵; - 8.使用mybatis逆向工程自動生成dao接口以及mapper映射文件 ## 總體項目結構: ![](https://box.kancloud.cn/eaf420745e61b398b7e05baa20fcac86_296x502.png)
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