// 从服务器上取回响应 int ch; while ( ( ch = dis.read() ) != -1 ) { responseMessage.append( (char) ch ); }//结束while ( ( ch = dis.read() ) != -1 ) } catch( Exception e ) { e.printStackTrace(); responseMessage.append( "ERROR" ); } finally { try { if ( hcon != null ) hcon.close(); if ( dis != null ) dis.close(); } catch ( IOException ioe ) { ioe.printStackTrace(); }//结束try/catch }//结束try/catch/finally return responseMessage.toString(); }//结束sendHttpGet( String )
private String sendHttpPost( String url ) { HttpConnection hcon = null; DataInputStream dis = null; DataOutputStream dos = null; StringBuffer responseMessage = new StringBuffer(); // 请求体 String requeststring = "This is a POST.";
try { // 使用读写权限的 HttpConnection hcon = ( HttpConnection )Connector.open( url, Connector.READ_WRITE );
//设置请求方法为POST hcon.setRequestMethod( HttpConnection.POST );
// 取得发送请求字符串的DataOutputStream dos = hcon.openDataOutputStream(); byte[] request_body = requeststring.getBytes();
// 发送请求字符串到服务器 for( int i = 0; i < request_body.length; i++ ) { dos.writeByte( request_body[i] ); }//结束 for( int i = 0; i < request_body.length; i++ )
// 取得做为接收服务器响应的DataInputStream dis = new DataInputStream( hcon.openInputStream() );
// 从服务器上取回响应 int ch; while( ( ch = dis.read() ) != -1 ) { responseMessage.append( (char)ch ); }//结束while( ( ch = dis.read() ) != -1 ) { } catch( Exception e ) { e.printStackTrace(); responseMessage.append( "ERROR" ); } finally { // 释放输入输出流和HTTP连接 try { if( hcon != null ) hcon.close(); if( dis != null ) dis.close(); if( dos != null ) dos.close(); } catch ( IOException ioe ) { ioe.printStackTrace(); }//结束try/catch }//结束try/catch/finally return responseMessage.toString(); }//结束sendHttpPost( String )
public void pauseApp() { }//结束pauseApp()
public void destroyApp( boolean unconditional ) { myDisplay = null; requestScreen = null; requestField = null; resultScreen = null; resultField = null; }//结束 destroyApp( boolean ) }//结束HttpMidlet
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