一、获取不带后缀名的文件名称
String fileName = file.getName.substring(0,file.getName.lastIndexOf(".");
二、Pattern正则表达式的使用
String line = null;
FileInputStream fis = new FileInputStream(fin);
// Construct BufferedReader from InputStreamReader
BufferedReader br = new BufferedReader(new InputStreamReader(fis, "GBK"));
Pattern pattern = Pattern.compile("[\\u4e00-\\u9fa5]+");
int lineNum = 0;
String s = "";
while ((line = br.readLine()) != null) {
lineNum++;
Matcher matcher = pattern.matcher(line);
String str = "";
while (matcher.find()) {
matcher.group();
str += matcher.group();
}
}