1、问题原因
数据进行 setState 的时候，页面已经退出了。
2、问题处理
//增加个 mounted 属性是否存在的判断即可。
if (mounted) {setState(() {dataList = dataList;});}
详细解决方案
flutter问题处理： Unhandled Exception: setState() called after dispose():
热度：46 发布时间：2023-10-26 11:59:05.0
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