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评论功能前后端工作流程是啥？

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评论功能前后端工作流程是啥？

评论功能是把数据发后端后，直接把要发的数据本地渲染到dom，还是发送后等后端返回新增的评论数据后再渲染到dom


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肯定是先请求接口发送数据，等后端返回最新的评论数据再渲染到页面。如果没有等后端返回结果就直接渲染，当请求接口报错或者后端保存数据不成功时，就会出现前端显示的数据和数据库里的数据不一致的bug


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