在使用JPA的多对一,进行保存等操作的时候报错.
显示对象未被创建.
原因是
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vue.js:634 [Vue warn]: Property or method "userName" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class-based components, by initializing the property. See:
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This may be the result of an unspecified view, due to default view name generation
行动消除疑虑