文本内容替换

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;

public class ReaderAndWriterDome01 {
    public static void main(String[] args) {
        String str = "C:\Users\Administrator\Desktop\模板文件-上机素材\pet.template";
        String str1 = "C:\Users\Administrator\Desktop\模板文件-上机素材\01.txt";
        BufferedReader reader = null;
        InputStreamReader isr = null;
        FileInputStream fis = null;
        BufferedWriter writer = null;
        FileWriter fw = null;
        try {
            fis = new FileInputStream(str);
            isr = new InputStreamReader(fis,"UTF-8");
            reader = new BufferedReader(isr);
            
            fw = new FileWriter(str1);
            writer = new BufferedWriter(fw);
            StringBuffer sbf = new StringBuffer();
            String line = null;
            while((line = reader.readLine()) != null) {
                sbf.append(line);
            }
            System.out.println("替换成的文本内容：");
            System.out.println(sbf);
            
            String NewString = sbf.toString().replace("{name}", "欧欧");
            NewString = NewString.replace("{type}", "狗狗");
            NewString = NewString.replace("{master}", "李伟");
            System.out.println("替换后的文本内容：");
            System.out.println(NewString);
            writer.write(NewString);
            writer.flush();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }finally{
            try {
                if(reader!=null)
                    reader.close();
                if(writer!=null)
                    writer.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}