File copying through character stream
Only text files can be copied using character stream
/** * 通过字符流实现文件的拷贝 * * @param sourcePath 源文件路径 * @param targetPath 目标文件路径 */ public static void copyFileByReaderAndWriter(String sourcePath, String targetPath) { //源文件路径 File source = new File(sourcePath); //目标文件路径 File target = new File(targetPath); //如果源文件不存在则不能拷贝 if (!source.exists()) { return; } //如果目标文件目录不存在则创建 if (!target.getParentFile().exists()) { target.getParentFile().mkdirs(); } FileReader in = null; FileWriter out = null; try { //字符输入流和字符输出流 in = new FileReader(source); out = new FileWriter(target); char[] c = new char[1024]; int temp = 0; //每次读取1024个字符 while ((temp = in.read(c)) != -1) { //输出到文件 out.write(c, 0, temp); } } catch (IOException e) { e.printStackTrace(); } finally { //关闭流 try { if (in != null) { in.close(); } if (out != null) { out.close(); } } catch (IOException e) { e.printStackTrace(); } } }
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