用android 編程解析統計文本文件中的字符數、單詞數、行數（作業）
主要代碼
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private void analysis() {
String str = " ";
int words = 0;
int chars = 0;
int lines = 0;
int spaces = 0;
int marks = 0;
int character = 0;

String filename = et_name.getText().toString(); FileInputStream fis = null; BufferedReader br = null; try {if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {File file = new File(Environment.getExternalStorageDirectory().getCanonicalPath() + "/" + filename + ".txt");if (file.exists()) {fis = new FileInputStream(file);br = new BufferedReader(new InputStreamReader(fis));while ((str = br.readLine()) != null) {char[] b = str.toCharArray();for (int i = 0; i < str.length(); i++) {if (b[i] == ' ') {spaces++;} else if (b[i] == ',' || b[i] == '.') {marks++;}}words += str.split("[ \\.,]").length;chars += str.length();lines++;}character = chars - (spaces + marks);fis.close();tv_read.setText("單詞數：" + words + ",字符數：" + chars + ",行數：" + lines + ",字母數：" + character + ",空格數：" + spaces + "，標點符號數：" + marks);} else {Toast.makeText(this, "不存在該文件", Toast.LENGTH_SHORT).show();}} } catch (Exception e) {e.printStackTrace(); }

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轉載于:https://www.cnblogs.com/zhufan/p/6626250.html

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