Java使用字符流拷贝文件出现乱码

Java代码

//      BufferedReader in = null; //      BufferedWriter out = null; Reader in = null; Writer out = null; try { //          in = new BufferedReader(new FileReader(src)); //          in = new BufferedReader(new InputStreamReader(new FileInputStream(src))); //          out = new BufferedWriter(new FileWriter(new File(dir, src.getName()))); //          out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(dir, src.getName())))); in = new FileReader(src); out = new FileWriter(new File(dir, src.getName())); System.out.println("正在拷贝文件(" + src + ")到目录("+dir+")下"); char[] buffer = new char[1024]; int len = 0; while((len = in.read(buffer)) != -1) { out.write(buffer, 0, len); out.flush(); } return true; } catch (Exception e) { return false; } finally { closeIO(in, out); }

　　乱码情况

　　怎样解决？

　　我想知道这种情况是怎么造成的？又该怎样解决？

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