Question

如何用java读取一个txt 文件内的内容并把它赋值与String里

Answer 1

private String readFileToString(File file) {
BufferedReader bfr = null;
StringBuffer sb = new StringBuffer();
try {
bfr = new BufferedReader(new FileReader(file));
String line = null;
while ((line = bfr.readLine()) != null) {
sb.append(line);
}
return sb.toString();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (bfr != null) {
try {
bfr.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return null;
}