Invalid header signature; read 1688935826934608, expected -2226271756974174256

@Invalid header signature; read 1688935826934608, expected -2226271756974174256 今天在使用POI的HSSF讀取excel的時候遇到了一個報錯Invalid header signature; read 1688935826934608, expected -2226271756974174256 **原因：**HSSF

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