1 import java.io.BufferedReader;
 2 import java.io.BufferedWriter;
 3 import java.io.FileInputStream;
 4 import java.io.FileNotFoundException;
 5 import java.io.FileWriter;
 6 import java.io.IOException;
 7 import java.io.InputStreamReader;
 8 import java.io.UnsupportedEncodingException;
 9 
10 public class ReaderAndWriterDome01 {
11     public static void main(String[] args) {
12         String str = "C:\\Users\\Administrator\\Desktop\\模板文件-上机素材\\pet.template";
13         String str1 = "C:\\Users\\Administrator\\Desktop\\模板文件-上机素材\\01.txt";
14         BufferedReader reader = null;
15         InputStreamReader isr = null;
16         FileInputStream fis = null;
17         BufferedWriter writer = null;
18         FileWriter fw = null;
19         try {
20             fis = new FileInputStream(str);
21             isr = new InputStreamReader(fis,"UTF-8");
22             reader = new BufferedReader(isr);
23             
24             fw = new FileWriter(str1);
25             writer = new BufferedWriter(fw);
26             StringBuffer sbf = new StringBuffer();
27             String line = null;
28             while((line = reader.readLine()) != null) {
29                 sbf.append(line);
30             }
31             System.out.println("替换成的文本内容：");
32             System.out.println(sbf);
33             
34             String NewString = sbf.toString().replace("{name}", "欧欧");
35             NewString = NewString.replace("{type}", "狗狗");
36             NewString = NewString.replace("{master}", "李伟");
37             System.out.println("替换后的文本内容：");
38             System.out.println(NewString);
39             writer.write(NewString);
40             writer.flush();
41         } catch (FileNotFoundException e) {
42             e.printStackTrace();
43         } catch (UnsupportedEncodingException e) {
44             e.printStackTrace();
45         } catch (IOException e) {
46             // TODO Auto-generated catch block
47             e.printStackTrace();
48         }finally{
49             try {
50                 if(reader!=null)
51                     reader.close();
52                 if(writer!=null)
53                     writer.close();
54             } catch (IOException e) {
55                 e.printStackTrace();
56             }
57         }
58     }
59 }

文本内容替换