Java读取txt Java(springboot) 读取txt文本内容代码实例

public class TxtTest {
  private static final Logger logger = LoggerFactory.getLogger(TxtTest.class);
  public static String readTxt(File file) throws IOException {
    String s = "";
    InputStreamReader in = new InputStreamReader(new FileInputStream(file),"UTF-8");
    BufferedReader br = new BufferedReader(in);
    StringBuffer content = new StringBuffer();
    while ((s=br.readLine())!=null){
      content = content.append(s);
    }
    return content.toString();
  }

  public static void main(String[] args) {
    try {
　　　　　　　　//通过绝对路径获取文件
      String s1 = TxtTest.readTxt(new File("C:\\Users\\....\\du.txt"));
      logger.info(s1);

　　　　　　　　//spring boot中文件直接放在resources目录下
      String s2 = TxtTest.readTxt(ResourceUtils.getFile("classpath:du.txt"));
      logger.info(s2);
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}