报错的原因是，这里的user是个object类型的数据。react里面不允许直接去在页面里展示object数据。
改成这样就行了.展示字符串或者数字啥的普通数据类型
详细解决方案
react Error: Objects are not valid as a React child (found: object with keys {username, password})
热度：82 发布时间：2023-11-24 01:46:13.0
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