val timeCost = measureTimeMillis {
//这里做耗时的工作,例如处理文件或图片、写数据
}
print("耗时 $timeCost")
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val timeCost = measureTimeMillis {
//这里做耗时的工作,例如处理文件或图片、写数据
}
print("耗时 $timeCost")