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我想开发一个简单的正则表达式程序,但是我一直从eclipse得到这个错误。找不到代码中的错误?
该错误是在这条线,在非大写URL
的CharSequence getURLContent(URL URL)抛出IOException异常{
语法错误,插入 “;”以完成LocalVariableDeclarationStatement
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import android.R.string;
import android.app.Activity;
import android.os.Bundle;
public class VisualizaActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.visualiza);
String expr = "<td><span\\s+class=\"flagicon\"[^>]*>";
CharSequence getURLContent(URL url) throws IOException{
URLConnection conn = url.openConnection();
String enconding = conn.getContentEncoding();
if (enconding == null){
enconding = "ISO-8859-1";
}
BufferedReader br = new BufferredReader(new InputStreamReader(conn.getInputStream(), enconding));
StringBuilder sb = new StringBuilder(16384);
try{
String line;
while ((line = br.readLine()) != null){
sb.append(line);
sb.append('\n');
}
} finally{
br.close();
}
return sb;
}
Pattern patt = Pattern.compile(expr,Pattern.DOTALL | Pattern.UNIX_LINES);
URL url = new URL("http://en.wikipedia.org/wiki/Mexico");
Matcher m = patt.matcher(getURLContent(url));
while (m.find()) {
String stateURL = m.group(1);
String stateName = m.group(2);
System.out.println(stateName + "," + stateURL);
}
}
}
您试图在方法内创建方法吗? Android可以做些我不知道的事情吗? –
^^这。你的代码无效。你不能那样做。 –
什么是'BufferredReader'? –