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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                `os.File`提供了文件操作的基本功能, 而`io`、`ioutil`、`bufio`提供了額外的輔助函數。 ``` package main import ( "os" "log" ) func main() { // 打開文件,只讀 file, err := os.Open("test.txt") if err != nil { log.Fatal(err) } defer file.Close() // 從文件中讀取len(b)字節的文件。 // 返回0字節意味著讀取到文件尾了 // 讀取到文件會返回io.EOF的error byteSlice := make([]byte, 16) bytesRead, err := file.Read(byteSlice) if err != nil { log.Fatal(err) } log.Printf("Number of bytes read: %d\n", bytesRead) log.Printf("Data read: %s\n", byteSlice) } ```
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