【java IO】使用Java输入输出流 读取txt文件内数据，进行拼接后写入到另一个文件中

package com.sxd.test.util;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

import org.junit.Test;

public class CreateInsert {

    @Test
    public void test() throws IOException{
        
        //1.读取文件
        File file = new File("d:/new4.txt");
        InputStreamReader read = new InputStreamReader(new FileInputStream(file),"utf-8");//考虑到编码格式
        BufferedReader bu = new BufferedReader(read);
        //2.拼接字符串
        String lineText = null;
        String insert = "INSERT INTO [report].[dbo].[process] ([bgid]) VALUES ('";
        String insert2 = "');";
        //3.边读边写
        OutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(new File("d:/写出文件.txt")));
        BufferedWriter wr = new BufferedWriter(out);
        
        while((lineText = bu.readLine()) != null){
            System.out.println(insert+lineText+insert2);
            wr.write(insert+lineText+insert2+"
");
        }
        read.close();
        wr.close();
    }
}