我试图通过$ x而不是7美元获得脚本的第7个参数，这可能吗？
set -- $args
echo $(($x))
因此需要打印7美元，因为$ x = 7
答案 0 :(得分：0)
除了public class PlayGameCountry extends AppCompatActivity implements View.OnClickListener {
final static long INTERVAL = 1; // 1 second
final static long TIMEOUT = 7; // 1 second
CountDownTimer countDownTimer;
int progressValue = 0;
int score = 0, index = 0, thisQuestion = 0, correctAnswer, totalQuestions;
List<Questions> questionsList = new ArrayList<>();
String mode;
ProgressBar progressBar;
ImageView flagCountry;
TextView scoreText, numberQuestion;
Button answerA, answerB, answerC, answerD;
WorldCountryDatabase worldCountryDatabase;
ChoiceGame choiceGame;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_play_game_country);
// Get data from ChoiceGame
Bundle bundle = getIntent().getExtras();
if (bundle != null)
mode = bundle.getString("Mode");
worldCountryDatabase = new WorldCountryDatabase(this);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
if (getSupportActionBar() != null) {
getSupportActionBar().setHomeButtonEnabled(true);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}
flagCountry = (ImageView) findViewById(R.id.flagQuiz);
scoreText = (TextView) findViewById(R.id.scoreText);
numberQuestion = (TextView) findViewById(R.id.trueAnswer);
answerA = (Button) findViewById(R.id.firstAnswer);
answerB = (Button) findViewById(R.id.secondAnswer);
answerC = (Button) findViewById(R.id.thirthAnswer);
answerD = (Button) findViewById(R.id.forthAnswer);
progressBar = (ProgressBar) findViewById(R.id.progressUser);
answerA.setOnClickListener(this);
answerB.setOnClickListener(this);
answerC.setOnClickListener(this);
answerD.setOnClickListener(this);
}
@Override
protected void onResume() {
super.onResume();
questionsList = this.getQuestionMode(mode);
assert questionsList != null;
totalQuestions = questionsList.size();
countDownTimer = new CountDownTimer(INTERVAL, TIMEOUT) {
@Override
public void onTick(long millisUntilFinished) {
progressBar.setProgress(progressValue);
progressValue++;
}
@Override
public void onFinish() {
countDownTimer.cancel();
showQuestion(++index);
}
};
showQuestion(index);
}
private void showQuestion(int index) {
if (index < totalQuestions) {
thisQuestion++;
numberQuestion.setText(String.format("%d/%d", thisQuestion, totalQuestions));
progressBar.setProgress(0);
progressValue = 0;
int ImageId = this.getResources().getIdentifier(questionsList.get(index).getImage().toLowerCase(), "drawable", getPackageName());
flagCountry.setBackgroundResource(ImageId);
answerA.setText(questionsList.get(index).getAnswerA());
answerB.setText(questionsList.get(index).getAnswerB());
answerC.setText(questionsList.get(index).getAnswerC());
answerD.setText(questionsList.get(index).getAnswerD());
countDownTimer.start();
} else {
Intent scoreIntent = new Intent(getApplicationContext(), Done.class);
Bundle bundle = new Bundle();
bundle.putInt("SCORE", score);
bundle.putInt("TOTAL", totalQuestions);
bundle.putInt("CORRECT", correctAnswer);
scoreIntent.putExtras(bundle);
startActivity(scoreIntent);
finish();
}
}
@Override
public void onClick(View v) {
countDownTimer.cancel();
if (index < totalQuestions) {
Button clickedButton = (Button) v;
if (clickedButton.getText().equals(questionsList.get(index).getCorrectAnswer()))
{
score += 10; // increase score
correctAnswer++; //increase correct answer
showQuestion(++index);
} else
showQuestion(++index); // If choose right , just go to next question
scoreText.setText(String.format("%d", score));
}
}
private List<Questions> getQuestionMode(String mode) {
List<Questions> questionList = new ArrayList<>();
worldCountryDatabase = new WorldCountryDatabase(this);
try {
worldCountryDatabase.createDatabase();
worldCountryDatabase.openDataBase();
} catch (Exception e) {
e.printStackTrace();
}
int limit = 0;
if (mode.equals(Common.MODE.EASY.toString()))
limit = 30;
else if (mode.equals(Common.MODE.MEDIUM.toString()))
limit = 50;
else if (mode.equals(Common.MODE.HARD.toString()))
limit = 100;
else if (mode.equals(Common.MODE.HARDEST.toString()))
limit = 200;
try {
Cursor cursor = worldCountryDatabase.QueryData(String.format("SELECT * FROM country ORDER BY Random() LIMIT %d", limit));
if (cursor == null) return null;
if (cursor.moveToNext()) {
do {
int Id = cursor.getInt(cursor.getColumnIndex("id"));
String Image = cursor.getString(cursor.getColumnIndex("Image"));
String AnswerA = cursor.getString(cursor.getColumnIndex("AnswerA"));
String AnswerB = cursor.getString(cursor.getColumnIndex("AnswerB"));
String AnswerC = cursor.getString(cursor.getColumnIndex("AnswerC"));
String AnswerD = cursor.getString(cursor.getColumnIndex("AnswerD"));
String CorrectAnswer = cursor.getString(cursor.getColumnIndex("CorrectAnswer"));
Questions question = new Questions(Id, Image, AnswerA, AnswerB, AnswerC, AnswerD, CorrectAnswer);
questionList.add(question);
} while (cursor.moveToNext());
worldCountryDatabase.close();
}
} catch (Exception e) {
e.printStackTrace();
}
return questionList;
}
不是那样。
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class testReadQuotes {
public static void main(String args[]) throws IOException{
Pattern patt = Pattern.compile("\"([^\"]*)\"");
BufferedReader r = new BufferedReader(new FileReader("src\\files\\myFile.txt"));
String line;
while ((line = r.readLine()) != null) {
Matcher m = patt.matcher(line);
while (m.find()) {
System.out.println(m.group(0));
}
}
}
}