【Spring】获取资源文件+从File+从InputStream对象获取正文数据

 1 package com.sxd.test.test1;
 2 
 3 import java.io.BufferedReader;
 4 import java.io.File;
 5 import java.io.FileReader;
 6 import java.io.IOException;
 7 import java.io.InputStream;
 8 import java.nio.file.Files;
 9 import java.util.List;
10 
11 import org.junit.Test;
12 import org.springframework.core.io.ClassPathResource;
13 import org.springframework.core.io.Resource;
14 
15 public class GetResource {
16     
17     /**
18      * 获取资源文件的 方法之一-----使用Spring架包中的Resource类实现
19      * @throws IOException
20      */
21     @Test
22     public void getResouce() throws IOException{
23         Resource resource =new  ClassPathResource("beanFactoryTest.xml");
24         InputStream in = resource.getInputStream();
25         String fileName = resource.getFilename();
26         String description = resource.getDescription();
27         long contentLength = resource.contentLength();
28         File file = resource.getFile();
29         
30         
31         System.out.println("文件名:"+fileName);
32         System.out.println("描述:"+description);
33         System.out.println("正文长度:"+contentLength);
34         
35         
36         /**
37          * 有File对象就可以读取到正文的数据-----方法1
38          */
39         List<String> list = Files.readAllLines(file.toPath());
40         for (String string : list) {
41             System.out.println(string);
42         }
43         
44         
45         System.out.println("------------------------------------------------------------------------------------------------- ");
46         /**
47          * 有File对象可以读取正文的数据  ----方法2
48          */
49         BufferedReader br = new BufferedReader(new FileReader(file));
50         String str = null;
51         while((str=br.readLine()) != null){
52             System.out.println(str);
53         }
54         
55         System.out.println("--------------------------------------------------------------------------------------------------");
56         /**
57          * 有InputStream可以读取正文数据
58          */
59         int contentLen = in.available();
60         byte[] st = new byte[contentLen];
61          in.read(st);
62          System.out.println(new String(st));
63         
64     }
65 }