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                **怎樣配置在線多數據源** 首先打開配置管理頁面:系統監控>多數據源管理 ![](https://img.kancloud.cn/8a/1b/8a1b6ec13f7397c32843025c33090a43_1908x857.png) 1.新增 ![](https://img.kancloud.cn/88/8c/888c7d410422d761c43d60f038f607ce_726x670.png) >[danger]數據源編碼是唯一的,并且編碼必須以字母開頭,可包含數字、下劃線、橫杠。 填寫完信息后可以點測試看是否配置正確,如下圖,彈出測試成功即配置正確 ![](https://img.kancloud.cn/db/33/db33fb01155668de64358e6413edce44_923x770.png) 2.編輯 如信息填寫有錯誤,可以點編輯修改,注意數據源編碼是不可能更改的 ![](https://img.kancloud.cn/88/f6/88f6c1b86001207240231cf2715a5dc1_867x752.png) 同理,Oracle和SQLServer數據庫配置方法一樣,只要選擇對應的數據庫類型,填寫上連接的賬號密碼即可 ![](https://img.kancloud.cn/3a/f5/3af5ddc5d130047eb5d895006a74ae3d_782x463.png) 注意: 若回顯的驅動類和數據源地址與你的數據庫版本不一致,可自行修改。**例如:** ### Mysql5.x與Mysql8.0.X的幾點不同 ***Mysql5.x*** 驅動類:com.mysql.jdbc.Driver 數據源地址:jdbc:mysql://127.0.0.1:3306/jeecg-boot?characterEncoding=utf-8&useSSL=false ***Mysql8.0.X:*** 驅動類:com.mysql.cj.jdbc.Driver 數據源地址:jdbc:mysql://127.0.0.1:3306/jeecg-boot?useUnicode=true&characterEncoding=UTF8&useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC 3.測試 在線開發>online報表配置 ![](https://img.kancloud.cn/6b/31/6b31f68381600c1f91e953be54e6725b_1911x525.png) 編輯:配置數據源 ![](https://img.kancloud.cn/be/a1/bea14e6d9ae9a164626ca2b1706ea991_1911x352.png) 點擊 ‘功能測試’ ![](https://img.kancloud.cn/cc/8e/cc8e720096296c65476569dc56da314a_1734x493.png) 出現下圖一直加載或者查詢失敗,則數據源配置有誤 ![](https://img.kancloud.cn/fe/82/fe823f04b57da26f1741f42e8439d073_1725x551.png) ![](https://img.kancloud.cn/ef/02/ef02db431c5f414e4164033918fa603a_1727x506.png) 出現如下圖,則數據源配置正確 ![](https://img.kancloud.cn/1a/47/1a479a7daab026cb48d999d69940b883_1725x309.png)
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