Java读取txt数据Demo

package Data;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.ArrayList;

import java.util.List;

public class TestData {

public static void main(String[] args) throws IOException {

File file = new File("src/data/data.txt");

if (file.isFile()&&file.exists()) {

List<Data> dataList = (List<Data>)readTxt(file);

System.out.println("读取出对象个数: " + dataList.size());

//测试输出对象数据

for(Data data :dataList ){

System.out.println("id:"+data.getId()+";name:"+data.getName()+";attribute:"+data.getAttribute()+";note"+data.getNote());

}

}

}

public static List<Data> readTxt(File file){

List<Data> dataList = null;

try {

String encoding = "GBK"; // 字符编码(可解决中文乱码问题 )

if (file.isFile() && file.exists()) {

InputStreamReader read = new InputStreamReader(new FileInputStream(file), encoding);

BufferedReader bufferedReader = new BufferedReader(read);

String lineTXT = null;

dataList = new ArrayList<Data>();

while ((lineTXT = bufferedReader.readLine()) != null) {

Data data = new Data();

String[] txtData = lineTXT.split(" ");

data.setId(txtData[0]);

data.setName(txtData[1]);

data.setAttribute(txtData[2]);

data.setNote(txtData[3]);

dataList.add(data);

}

read.close();

}else{

System.out.println("找不到指定的文件！");

}

} catch (Exception e) {

System.out.println("读取文件内容操作出错！");

e.printStackTrace();

}

return dataList;

}

}

txt文本数据：

B1601 83001 pp0571 还款账号和保证金标志1

B1602 83002 pp0572 还款账号和保证金标志2

B1603 83003 pp0573 还款账号和保证金标志3