file.length()/1024/1024
时间: 2023-10-14 19:58:50 浏览: 39
file.length()/1024/1024是用来计算文件大小的。在给定的代码中,它将文件的大小以字节为单位除以1024,然后再除以1024,以得到以兆字节(MB)为单位的文件大小。这个计算是为了将文件大小从字节转换为更常用的单位。
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