Spring Boot入门样例-520-upload-qiniu整合七牛云上传图片

图片通过七牛云等云存储系统，可以让用户更快的显示图片。本demo演示如何演示如何将图片上传到七牛云。

前言

本Spring Boot入门样例准备工作参考：

Spring Boot入门样例-001-Java和Maven安装配置Spring Boot入门样例-003-idea 安装配置和插件Spring Boot入门样例-005-如何运行

pox.xml

必要的依赖如下，具体参见该项目的pox.xml

<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>com.qiniu</groupId> <artifactId>qiniu-java-sdk</artifactId> <version>[7.2.0, 7.2.99]</version> </dependency> <dependency> <groupId>com.google.code.gson</groupId> <artifactId>gson</artifactId> <version>2.8.5</version> </dependency> <dependency> <groupId>cn.hutool</groupId> <artifactId>hutool-all</artifactId> <version>4.6.4</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.54</version> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency>

配置文件

resources/application.yml配置内容

qiniu: accessKey: 0u4ZXXXXXXXXXXXXXXXXXXX secretKey: 3bqtpyXXXXXXXXXXXXXXXXXXXXXXX bucket: jiajiayoupin domain: img.jiajiayoupin.com region: -1

代码解析

QiniuUtil.java

@Slf4j @Component public class QiniuUtil { /** * 生成上传凭证，然后准备上传 */ @Value("${qiniu.accessKey}") private String accessKey; @Value("${qiniu.secretKey}") private String secretKey; @Value("${qiniu.bucket}") private String bucket; @Value("${qiniu.domain}") private String domain; @Value("${qiniu.region}") private Integer region; /** * 华东 Region.region0(), Region.huadong() * 华北 Region.region1(), Region.huabei() * 华南 Region.region2(), Region.huanan() * 北美 Region.regionNa0(), Region.beimei() * 东南亚 Region.regionAs0(), Region.xinjiapo() */ public Configuration getConfiguration(){ Configuration cfg = null; switch (region) { case 0: cfg = new Configuration(Region.region0()); break; case 1: cfg = new Configuration(Region.region1()); break; case 2: cfg = new Configuration(Region.region2()); break; case 3: cfg = new Configuration(Region.regionNa0()); break; case 4: cfg = new Configuration(Region.regionAs0()); break; default: cfg = new Configuration(Region.autoRegion()); } return cfg; } /** * 文件流上传 * @param file 文件名 * @param key 文件名 * @return */ public String uploadInputStream(InputStream file, String key) { Auth auth = Auth.create(accessKey, secretKey); String upToken = auth.uploadToken(bucket); try { UploadManager uploadManager = new UploadManager(getConfiguration()); Response response = uploadManager.put(file, key, upToken, null, null); //解析上传成功的结果 DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class); return domain + "/" + putRet.key; } catch (QiniuException ex) { Response r = ex.response; throw new RuntimeException("上传文件出错，请检查七牛云配置，" + r.toString()); } } /** * 以UUID重命名 * * @param fileName * @return */ public String rename(String fileName) { String extName = fileName.substring(fileName.lastIndexOf(".")); return UUID.randomUUID().toString().replace("-", "") + extName; } }

StudentController.java 如下 upload直接上传文件

@Slf4j @RestController @RequestMapping("/bootan/common") public class CommonController { @Autowired private QiniuUtil qiniuUtil; @RequestMapping(value = "/upload",method = RequestMethod.POST) public BaseResult upload(@RequestParam(required = false) MultipartFile file, HttpServletRequest request) { String result = null; String fileName = qiniuUtil.rename(file.getOriginalFilename()); try { InputStream inputStream = file.getInputStream(); result = qiniuUtil.uploadInputStream(inputStream,fileName); } catch (Exception e) { log.error(e.toString()); return BaseResult.error(e.toString()); } return BaseResult.success("http://" + result); } }

运行

点击运行

在postman中通过如下方式上传

参考

Spring Boot入门样例源代码地址 https://github.com/funsonli/spring-boot-demoBootan源代码地址 https://github.com/funsonli/bootan七牛官方SDK Java https://developer.qiniu.com/kodo/sdk/1239/java#upload-config

附

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