1 package net.xdclass.demo.controller;
 2
 3 import java.io.File;
 4 import java.io.IOException;
 5 import java.util.UUID;
 6
 7 import javax.servlet.http.HttpServletRequest;
 8
 9 import net.xdclass.demo.domain.JsonData;
10
11 import org.springframework.beans.factory.annotation.Value;
12 import org.springframework.context.annotation.PropertySource;
13 import org.springframework.stereotype.Controller;
14 import org.springframework.web.bind.annotation.RequestMapping;
15 import org.springframework.web.bind.annotation.RequestParam;
16 import org.springframework.web.bind.annotation.ResponseBody;
17 import org.springframework.web.multipart.MultipartFile;
18
19 /**
20  * 功能描述：文件测试
21  *
22  * <p> 创建时间：Apr 22, 2018 11:22:29 PM </p>
23  */
24 @Controller
25 @PropertySource({"classpath:application.properties"})
26 public class FileController {
27
28     @RequestMapping(value = "/api/v1/gopage")
29     public Object index() {
30         return "index";
31     }
32
33     //private static final String filePath = "L:/Workspaces/Eclipse_Neon/txkt/SpringBootClass/xdclass_springboot/src/main/resources/static/images/";//末尾需要加/，这样才能写进来
34     //private static final String filePath = "L:/images/";//末尾需要加/，这样才能写进来
35
36     @Value("${web.file.path}")
37     private String filePath;
38
39     @RequestMapping(value = "upload")
40     @ResponseBody
41     public JsonData upload(@RequestParam("head_img") MultipartFile file, HttpServletRequest request) {
42
43         // file.isEmpty(); 判断图片是否为空
44         // file.getSize(); 图片大小进行判断
45
46         System.out.println("配置注入打印，文件路径为：" + filePath);
47
48         String name = request.getParameter("name");
49         System.out.println("用户名：" + name);
50
51         // 获取文件名
52         String fileName = file.getOriginalFilename();
53         System.out.println("上传的文件名为：" + fileName);
54
55         // 获取文件的后缀名,比如图片的jpeg,png
56         String suffixName = fileName.substring(fileName.lastIndexOf("."));
57         System.out.println("上传的后缀名为：" + suffixName);
58
59         // 文件上传后的路径
60         fileName = UUID.randomUUID() + suffixName;
61         System.out.println("转换后的名称:" + fileName);
62
63         File dest = new File(filePath + fileName);
64
65         try {
66             file.transferTo(dest);
67
68             return new JsonData(0, fileName);
69         } catch (IllegalStateException e) {
70             e.printStackTrace();
71         } catch (IOException e) {
72             e.printStackTrace();
73         }
74         return new JsonData(-1, "fail to save ", null);
75     }
76
77 }

 1 web.images-path=L:/images
 2 spring.resources.static-locations = classpath:/META-INF/resources/,classpath:/resources/,classpath:/static/,classpath:/public/,classpath:/test/,file:${web.upload-path}
 3 #指定某些文件不进行监听，即不会进行热加载devtool（重启后不会监听下面这个文件）
 4 #spring.devtools.restart.exclude=application.properties
 5
 6 #通过触发器，去控制什么时候进行热加载部署新的文件
 7 spring.devtools.restart.trigger-file=trigger.txt
 8
 9 server.port=8083
10
11 #文件上传路径配置
12 web.file.path=L:/images
13
14 #测试配置文件注入
15 test.name=www.xdclass.net
16 test.domain=springboot

 1 package net.xdclass.demo.domain;
 2
 3 import org.springframework.boot.context.properties.ConfigurationProperties;
 4 import org.springframework.context.annotation.PropertySource;
 5 import org.springframework.stereotype.Component;
 6
 7 //服务器配置
 8 @Component
 9 @PropertySource({"classpath:application.properties"})
10 //@ConfigurationProperties
11 //自动加入前缀，无需写入test.
12 @ConfigurationProperties(prefix="test")
13 //若不想使用prefix="test"，前提是该类中定义的名称要与application.properties中定义的名称一致，即一一对应
14 public class ServerSettings {
15
16     //名称
17     //使用prefix="test"后，无需再使用Value注解
18     //@Value("${name}")
19     private String name;
20
21     //域名地址
22     //@Value("${domain}")
23     private String domain;
24
25     public String getName() {
26         return name;
27     }
28
29     public void setName(String name) {
30         this.name = name;
31     }
32
33     public String getDomain() {
34         return domain;
35     }
36
37     public void setDomain(String domain) {
38         this.domain = domain;
39     }
40
41
42 }

1     @Autowired
2     private ServerSettings serverSettings;
3     @GetMapping("/v1/test_properties")
4     public Object testProperties(){
5         return serverSettings;
6     }