Java读取.txt文件工具类

相关工具类代码

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

/**
 * @description: 读取.txt文件工具类
 * @author: zyb
 * @date: 2020/10/13 15:47
 */
public class FileRead {
    public static void main(String[] args) {
        String filePath = "文件所在路径/文件名";
        List<String> list = FileRead.read(filePath);
        for (String s : list) {
            System.out.println(s);
        }
    }

    public static List<String> read(String filePath){
        FileInputStream inputStream = null;
        BufferedReader bufferedReader = null;
        List<String> data = new ArrayList<String>();

        try {
            inputStream = new FileInputStream(filePath);
            //设置inputStreamReader的构造方法并创建对象设置编码方式为gbk(编码格式可自行切换)
            bufferedReader = new BufferedReader(new InputStreamReader(inputStream,"gbk"));

            String str = null;
            while((str = bufferedReader.readLine()) != null)
            {
                data.add(str);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (bufferedReader != null) {
                try {
                    bufferedReader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return data;
    }
}