qt 路径中\\如何变为//

在Qt中，可以使用QString的replace方法将路径中的"\"替换为"/"。例如，如果你的路径是QString path = "C:\\Users\\Desktop\\file.txt"，你可以使用path.replace("\\", "/")来将路径中的"\"替换为"/"，得到的结果是"C:/Users/Desktop/file.txt"。
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