InputStrem is = new ByteArrayInputStream(str.getBytes()); 或者 ByteArrayInputStream stream= new ByteArrayInputStream(str.getBytes());
2、InputStream–>String
inputStream input; StringBuffer out = new StringBuffer(); byte[] b = new byte[4096]; for (int n; (n = input.read(b)) != -1;) { out.append(new String(b, 0, n)); } out.toString();
3、Reader –>String
BufferedReader in = new BufferedReader(new InputStreamReader(is)); StringBuffer buffer = new StringBuffer(); String line = " "; while ((line = in.readLine()) != null){ buffer.append(line); } return buffer.toString();
4、String–>Reader
Reader reader = null; BufferedReader r = new BufferedReader(reader); StringBuilder b = new StringBuilder(); String line; while((line=r.readLine())!=null) { b.append(line); b.append(“\r\n”); } b.toString();
