springboot 啟動報錯 Field roleMapper in ‘’ required a bean of type '' that could not be found.
其實在報錯資訊上就能看出來問題是什麼,但是因為現在文件少,不容易找到解決方案。特此記錄
意思是掃描不到mapper層,我們需要在Application.java這個啟動檔案上加一個註解告訴springboot我們的mapper位置在哪
@MapperScan("mapper檔案位置")
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