java.net.malformedurlexception未知协议D [英] java.net.malformedurlexception unknown protocol D

问题描述

朋友，我正在尝试读取文本文件，但出现此错误:java.net.malformedurlexception未知协议D ..而我的代码是

hi friends i am trying to read a text file and i am getting this error: java.net.malformedurlexception unknown protocol D.. and my code is

public class AndroidInternetTxt extends Activity {
	TextView textMsg;
	TextView textPrompt;
	//private ContextWrapper context;
	//private String fileName;
	//String filePath = context.getFilesDir().getAbsolutePath();//returns current directory.
	//File file = new File(filePath, fileName);
	final String textSource = "D:/text.txt";
	//http://sites.google.com/site/androidersite/text.txt
	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		textPrompt = (TextView) findViewById(R.id.textprompt);
		textMsg = (TextView) findViewById(R.id.textmsg);

		textPrompt.setText("Wait...");

		URL textUrl;
		try {
			textUrl = new URL(textSource);
			BufferedReader bufferReader = new BufferedReader(
					new InputStreamReader(textUrl.openStream()));
			String StringBuffer;
			String stringText = "";
			while ((StringBuffer = bufferReader.readLine()) != null) {
				stringText += StringBuffer;
			}
			bufferReader.close();
			textMsg.setText(stringText);
		} catch (MalformedURLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			textMsg.setText(e.toString());
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			textMsg.setText(e.toString());
		}

		textPrompt.setText("Finished!");

	}
}

上面的代码中有什么问题

what is wrong in the above code

推荐答案

尝试final String textSource = "file:///D:/text.txt";

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