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Java 在文件中指定位置插入字符：报错

如题：通过Java将字符内容写入到文件中，但是需要在文件的指定位置，所谓的指定位置就是：提前会在文件中添加一个开始标记和一个结束标记，然后要求将内容写入到这两个标记之间。我的思路是，按行读取文件，找到位置后，开始写入，但现在的问题是，输入流获取的文件位置，能否传递给输出流？当然我也不确定这种方式是...

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更新时间 2023-08-17 09:58:58

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