基于SpringBoot實(shí)現(xiàn)上傳2種方法工程代碼實(shí)例

更新時(shí)間：2020年08月19日 09:28:50 作者：emdzz

這篇文章主要介紹了基于SpringBoot實(shí)現(xiàn)上傳工程代碼實(shí)例,文中通過(guò)示例代碼介紹的非常詳細(xì)，對(duì)大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值,需要的朋友可以參考下

創(chuàng)建SpringBoot工程：

再導(dǎo)入所需要的依賴(lài)：

<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>

創(chuàng)建上傳業(yè)務(wù)層程序：

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("文件不能為空");
  }
  // 上傳至fastDFS, 返回文件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 文件id
  */
 private String fdfsUpload(MultipartFile multipartFile) {
  // 1. 初始化fastDFS的環(huán)境
  initFdfsConfig();
  // 2. 獲取trackerClient服務(wù)
  TrackerClient trackerClient = new TrackerClient();
  try {
   TrackerServer trackerServer = trackerClient.getConnection();
   // 3. 獲取storage服務(wù)
   StorageServer storeStorage = trackerClient.getStoreStorage(trackerServer);
   // 4. 獲取storageClient
   StorageClient1 storageClient1 = new StorageClient1(trackerServer, storeStorage);
   // 5. 上傳文件 (文件字節(jié), 文件擴(kuò)展名, )
   // 5.1 獲取文件擴(kuò)展名
   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(huán)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);
  }
 }
}

創(chuàng)建上傳控制器：

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目錄中創(chuàng)建index.html用于上傳測(cè)試：

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Title</title>
</head>
<body>

<h1>文件上傳</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>

運(yùn)行SpringBoot進(jìn)行測(cè)試：

測(cè)試成功：

查看文件位置也可以被訪問(wèn)到：

上傳文件實(shí)現(xiàn)方式二：

更改依賴(lài)：

<!-- 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>

創(chuàng)建一個(gè)配置類(lèi)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(shí)間
 connect-timeout: 600 # 連接超時(shí)時(shí)間
 thumb-image:   # 縮略圖
 width: 100
 height: 100
 tracker-list:   # tracker服務(wù)配置地址列表
 - 服務(wù)器或者虛擬機(jī)IP:22122
upload:
 base-url: http://服務(wù)器或者虛擬機(jī)IP/
 allow-types:
 - image/jpeg
 - image/png
 - image/bmp
 - image/gif

編寫(xiě)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(yè)務(wù)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(yàn)文件類(lèi)型
  String contentType = file.getContentType();
  if (!prop.getAllowTypes().contains(contentType)) {
   throw new RuntimeException("文件類(lèi)型不支持");
  }
  // 2、校驗(yàn)文件內(nèi)容
  try {
   BufferedImage image = ImageIO.read(file.getInputStream());
   if (image == null || image.getWidth() == 0 || image.getHeight() == 0) {
    throw new RuntimeException("上傳文件有問(wèn)題");
   }
  } catch (IOException e) {
   log.error("校驗(yàn)文件內(nèi)容失敗....{}", e);
   throw new RuntimeException("校驗(yàn)文件內(nèi)容失敗"+e.getMessage());
  }

  try {
   // 3、上傳到FastDFS
   // 3.1、獲取擴(kuò)展名
   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("【文件上傳】上傳文件失??！....{}", e);
   throw new RuntimeException("【文件上傳】上傳文件失?。?+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(yè)面：

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Title</title>
</head>
<body>

<h1>文件上傳</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>

運(yùn)行發(fā)現(xiàn)空指針異常，檢查發(fā)現(xiàn)表單名稱(chēng)沒(méi)對(duì)上，SpringMVC就無(wú)法轉(zhuǎn)換了