java读取本地TXT文件

/**
 * @ClassName TxtTest
 * @Description TODO
 * @Author 
 * @Date 2019/7/19 10:18
 * @Version 1.0
 **/
public class TxtTest {

    public static String txt2String(File file){
        StringBuilder result = new StringBuilder();
        try{
            BufferedReader br = new BufferedReader(new FileReader(file));//构造一个BufferedReader类来读取文件
            String s = null;
            while((s = br.readLine())!=null){//使用readLine方法，一次读一行
                result.append(System.lineSeparator()+s);
            }
            br.close();
        }catch(Exception e){
            e.printStackTrace();
        }
        return result.toString();
    }

    public static void main(String[] args){
        File file = new File("C:\\Users\\admin\\Desktop\\新建文本文档 (2).txt");
        System.out.println(txt2String(file));
    }


}