解决J2ME联网时出现的中文乱码问题

以下代码出自http://blog.csdn.net/hellogv/,引用请注明出处！

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package hello; import javax.microedition.midlet.*; import javax.microedition.lcdui.*; import javax.microedition.io.*; import java.io.*; public class Midlet extends MIDlet{ private Display display; public Midlet(){ display = Display.getDisplay(this); } public void startApp(){ try{ String uURL ="http://3g.pp.cn/phone/app/gpcx.jsp?sid=1182917775043&dirid=03311317&gpdm=600156"; StringBuffer responseMessage = new StringBuffer(); HttpConnection hc = (HttpConnection)Connector.open(uURL, Connector.READ_WRITE); hc.setRequestMethod(HttpConnection.POST); DataOutputStream dos = hc.openDataOutputStream(); DataInputStream dis = new DataInputStream(hc.openInputStream()); //-------------------------关键代码-------------------------------- byte []str=new byte[1000];//从内存申请空间 dis.read(str);//把读取返回的信息保存在str中 String content= BytesToString(str);//把str转换为字符串 //-------------------------关键代码-------------------------------- Form f = new Form("HTTP Test"); f.append(content); display.setCurrent(f); }catch(Exception e){ } } //-----------------------关键函数----------------------------- public String BytesToString(byte[] rec) { //从字节读取内容 ByteArrayInputStream bais = new ByteArrayInputStream(rec); DataInputStream dis = new DataInputStream(bais); String BTS=null; try { BTS=new String(rec,"UTF-8"); bais.close(); dis.close(); } catch (Exception e) { e.printStackTrace(); } return BTS; } //-----------------------关键函数----------------------------- public void pauseApp(){ } public void destroyApp(boolean unconditional){ } }