Android写本地文件
通过FileWriter
private static final String LOG_DIR = "sdcard/log/";
public static void write(String log) {
FileWriter fileWriter;
Date date = new Date();
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS", Locale.getDefault());
String dateStr = simpleDateFormat.format(date);
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault());
String fileName = LOG_DIR + dateFormat.format(date) + ".txt ";
try {
fileWriter = new FileWriter(fileName, true);
fileWriter.write(dateStr + "：" + log + "\r\n");
fileWriter.flush();
fileWriter.close();
} catch (IOException e) {
e.printStackTrace();
}
}
通过FileOutputStream
public static void write(String message) {
FileOutputStream fos = null;
try {
fos = openFileOutput("sdcard/example.txt", Context.MODE_PRIVATE);
fos.write(message.getBytes());
fos.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
Processed:
0.010, SQL:
9
