No converter found for return value of type: class...
老醜君又犯了一個很嚴重的錯誤:如截圖: 大家可能都會遇到過,首先出現這種情況就是沒有引入jackson的包,但是引了也可能報錯,那就可能是在springmvc的配置文件中沒有加入註解驅動. 以前老醜君在做項目的時候,沒來得及解決,直接用了org.json來替代jackson的,但是老醜最近想解決一下這個問題,後來發現jackson包有了,註解
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