基於SpringBoot實現上傳2種方法工程程式碼例項
阿新 • • 發佈:2020-08-19
建立SpringBoot工程:
再匯入所需要的依賴:
<dependency> <groupId>net.oschina.zcx7878</groupId> <artifactId>fastdfs-client-java</artifactId> <version>1.27.0.0</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> </dependency>
建立上傳業務層程式:
package cn.dzz.fastdfs.service; import org.apache.commons.lang3.StringUtils; import org.csource.fastdfs.*; import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Component; import org.springframework.web.multipart.MultipartFile; import java.util.HashMap; import java.util.Map; /** * @author DaiZhiZhou * @file Boot-With-FastDFS * @create 2020-08-13 8:55 */ // @PropertySource() @Component public class UploadService { @Value("${fastdfs.tracker_servers}") private String tracker_servers; @Value("${fastdfs.connect_timeout_in_seconds}") private int connect_timeout; @Value("${fastdfs.network_timeout_in_seconds}") private int network_timeout; @Value("${fastdfs.charset}") private String charset; public Map<String,Object> upload(MultipartFile multipartFile) { if (multipartFile == null) { throw new RuntimeException("檔案不能為空"); } // 上傳至fastDFS,返回檔案id String fileId = this.fdfsUpload(multipartFile); if (StringUtils.isEmpty(fileId)) { System.out.println("上傳失敗"); throw new RuntimeException("上傳失敗"); } Map<String,Object> map=new HashMap<>(); map.put("code",200); map.put("msg","上傳成功"); map.put("fileId",fileId); return map; } /** * 上傳至fastDFS * @param multipartFile * @return 檔案id */ private String fdfsUpload(MultipartFile multipartFile) { // 1. 初始化fastDFS的環境 initFdfsConfig(); // 2. 獲取trackerClient服務 TrackerClient trackerClient = new TrackerClient(); try { TrackerServer trackerServer = trackerClient.getConnection(); // 3. 獲取storage服務 StorageServer storeStorage = trackerClient.getStoreStorage(trackerServer); // 4. 獲取storageClient StorageClient1 storageClient1 = new StorageClient1(trackerServer,storeStorage); // 5. 上傳檔案 (檔案位元組,副檔名,) // 5.1 獲取副檔名 String originalFilename = multipartFile.getOriginalFilename(); String extName = originalFilename.substring(originalFilename.lastIndexOf(".") + 1); // 5.2 上傳 String fileId = storageClient1.upload_file1(multipartFile.getBytes(),extName,null); return fileId; } catch (Exception e) { System.out.println(e); return null; } } /** * 初始化fastDFS的環境 */ private void initFdfsConfig() { try { ClientGlobal.initByTrackers(tracker_servers); ClientGlobal.setG_connect_timeout(connect_timeout); ClientGlobal.setG_network_timeout(network_timeout); ClientGlobal.setG_charset(charset); } catch (Exception e) { System.out.println(e); } } }
建立上傳控制器:
package cn.dzz.fastdfs.controller; import cn.dzz.fastdfs.service.UploadService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.multipart.MultipartFile; import java.util.Map; /** * @author DaiZhiZhou * @file Boot-With-FastDFS * @create 2020-08-13 8:58 */ @RestController @RequestMapping("upload") public class UploadController { @Autowired private UploadService uploadService; /** * 作上傳 */ @RequestMapping("doUpload") public Map<String,Object> doUpload(MultipartFile mf){ System.out.println(mf.getOriginalFilename()); Map<String,Object> map = uploadService.upload(mf); return map; } }
在static目錄中建立index.html用於上傳測試:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <h1>檔案上傳</h1> <hr> <form action="/upload/doUpload" method="post" enctype="multipart/form-data"> <input type="file" name="mf"> <input type="submit" value="上傳"> </form> </body> </html>
執行SpringBoot進行測試:
測試成功:
檢視檔案位置也可以被訪問到:
上傳檔案實現方式二:
更改依賴:
<!-- https://mvnrepository.com/artifact/com.github.tobato/fastdfs-client --> <dependency> <groupId>com.github.tobato</groupId> <artifactId>fastdfs-client</artifactId> <version>1.26.7</version> </dependency>
建立一個配置類UploadProperties
package cn.dzz.fastdfs.config; import lombok.Data; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.stereotype.Component; import java.util.List; /** * @author DaiZhiZhou * @file Boot-With-FastDFS * @create 2020-08-13 9:10 */ @Data @Component @ConfigurationProperties(prefix = "upload") public class UploadProperties { private String baseUrl; private List<String> allowTypes; }
更改之前的yml配置:
fdfs: so-timeout: 2500 # 讀取時間 connect-timeout: 600 # 連線超時時間 thumb-image: # 縮圖 width: 100 height: 100 tracker-list: # tracker服務配置地址列表 - 伺服器或者虛擬機器IP:22122 upload: base-url: http://伺服器或者虛擬機器IP/ allow-types: - image/jpeg - image/png - image/bmp - image/gif
編寫UploadProperties.java
package cn.dzz.config; import lombok.Data; import org.springframework.boot.context.properties.ConfigurationProperties; import java.util.List; /** * @author DaiZhiZhou * @file fdfs * @create 2020-08-13 9:33 */ @ConfigurationProperties(prefix = "upload") @Data public class UploadProperties { private String baseUrl; private List<String> allowTypes; }
業務層:
package cn.dzz.service; import cn.dzz.config.UploadProperties; import com.github.tobato.fastdfs.domain.fdfs.StorePath; import com.github.tobato.fastdfs.service.FastFileStorageClient; import org.apache.commons.lang3.StringUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.context.properties.EnableConfigurationProperties; import org.springframework.stereotype.Component; import org.springframework.web.multipart.MultipartFile; import javax.imageio.ImageIO; import java.awt.image.BufferedImage; import java.io.IOException; /** * @author DaiZhiZhou * @file fdfs * @create 2020-08-13 9:34 */ @Component @EnableConfigurationProperties(UploadProperties.class) public class UploadService { private Log log= LogFactory.getLog(UploadService.class); @Autowired private FastFileStorageClient storageClient; @Autowired private UploadProperties prop; public String uploadImage(MultipartFile file) { // 1、校驗檔案型別 String contentType = file.getContentType(); if (!prop.getAllowTypes().contains(contentType)) { throw new RuntimeException("檔案型別不支援"); } // 2、校驗檔案內容 try { BufferedImage image = ImageIO.read(file.getInputStream()); if (image == null || image.getWidth() == 0 || image.getHeight() == 0) { throw new RuntimeException("上傳檔案有問題"); } } catch (IOException e) { log.error("校驗檔案內容失敗....{}",e); throw new RuntimeException("校驗檔案內容失敗"+e.getMessage()); } try { // 3、上傳到FastDFS // 3.1、獲取副檔名 String extension = StringUtils.substringAfterLast(file.getOriginalFilename(),"."); // 3.2、上傳 StorePath storePath = storageClient.uploadFile(file.getInputStream(),file.getSize(),extension,null); // 返回路徑 return prop.getBaseUrl() + storePath.getFullPath(); } catch (IOException e) { log.error("【檔案上傳】上傳檔案失敗!....{}",e); throw new RuntimeException("【檔案上傳】上傳檔案失敗!"+e.getMessage()); } } }
控制器:
package cn.dzz.controller; import cn.dzz.service.UploadService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.multipart.MultipartFile; import java.util.HashMap; import java.util.Map; /** * @author DaiZhiZhou * @file fdfs * @create 2020-08-13 9:35 */ @RequestMapping("upload") @RestController public class UploadController { @Autowired private UploadService uploadService; @RequestMapping("doUpload") public Map<String,Object> doUpload(MultipartFile multipartFile) { System.out.println(multipartFile.getOriginalFilename()); Map<String,Object> map = new HashMap<>(); String filePath = uploadService.uploadImage(multipartFile); map.put("filePath",filePath); return map; } }
還是一樣的上傳頁面:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <h1>檔案上傳</h1> <hr> <form action="/upload/doUpload" method="post" enctype="multipart/form-data"> <input type="file" name="mf"> <input type="submit" value="上傳"> </form> </body> </html>
執行發現空指標異常,檢查發現表單名稱沒對上,SpringMVC就無法轉換了
<input type="file" name="multipartFile">
再次測試:
訪問:
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