public class FileUtils extends Object
| 限定符和类型 | 方法和说明 |
|---|---|
static FileInputStream |
openInputStream(File file) |
static FileOutputStream |
openOutputStream(File file) |
static FileOutputStream |
openOutputStream(File file,
boolean append) |
static byte[] |
readFileToByteArray(File file) |
static byte[] |
toByteArray(InputStream input,
int size) |
static byte[] |
toByteArray(InputStream input,
long size) |
static void |
writeByteArrayToFile(byte[] data,
File file) |
static void |
writeByteArrayToFile(byte[] data,
File file,
boolean append) |
public static byte[] readFileToByteArray(File file) throws IOException
IOExceptionpublic static byte[] toByteArray(InputStream input, long size) throws IOException
IOExceptionpublic static byte[] toByteArray(InputStream input, int size) throws IOException
IOExceptionpublic static void writeByteArrayToFile(byte[] data,
File file)
throws IOException
IOExceptionpublic static void writeByteArrayToFile(byte[] data,
File file,
boolean append)
throws IOException
IOExceptionpublic static FileInputStream openInputStream(File file) throws IOException
IOExceptionpublic static FileOutputStream openOutputStream(File file, boolean append) throws IOException
IOExceptionpublic static FileOutputStream openOutputStream(File file) throws IOException
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