the above conversation should be an array object, for example:
[{
role: 'A',
content: ",A"
},{
role: 'B',
content: "B"
}]you just need to build the same object,
{
role: 'B',
content: ''
}push to this array, time to talk and update
you can update via setState. Let's take a look at this article
https://www.cnblogs.com/xiaoy.
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