[spring boot] 個人圖牀我作主，本身動手寫一個shareX圖牀

時間 2019-12-28

標籤 spring boot 個人作主本身手寫一個 sharex 欄目 Spring 简体版

原文原文鏈接

[spring boot] 個人圖牀我作主，本身動手寫一個shareX圖牀

@[toc]
shareX是一個很方面的截圖工具，可一鍵實現截圖->上傳圖牀->生成連接等工做流，堪稱截圖神器，惟一美中不足的是，發現使用一段時間後，軟件自帶的幾個圖牀總是掛掉，前期辛苦寫的文章圖片都404了，在頻繁更換可用圖牀的過程當中,偶然的發現原來shareX竟是支持自定義圖牀的，這就簡單了，本身寫一個圖牀後臺，掛到本身的服務器上就不再拍圖牀莫名其妙的掛掉了java

1.實現思路：

1.後臺提供上傳文件的http接口spring

2.shareX上傳圖片到後臺json

3.後臺返回上傳圖片外部可訪問路徑給shareX安全

好了開始動手服務器

2.圖牀後臺實現

採用spring boot 來實現：mybatis

2.1修改application.yml文件以下：

spring:
  mvc:
    static-path-pattern: /**
  resources:
    static-locations: classpath:/META-INF/resources/,classpath:/resources/,classpath:/static/,classpath:/public/,file:${serverInfo.uploadpath}
  servlet:
    multipart:
      max-file-size: 10MB  #最大文件 10M
      max-request-size: 10MB
  jmx:
    default-domain: sharex

serverInfo:
  # baseurl項目部署後的訪問地址
  baseurl: http://192.168.1.188:8080/sharex/
  #uploadpath爲上傳文件的保存路徑
  uploadpath: c:\sharex\uploadFile\

server:
  port: 8080
  servlet:
    context-path: /sharex

主要配置項：mvc

uploadpath:上傳圖片保存路徑，部署時要按需修改；app

baseurl:返回圖片RUL的根路徑；dom

max-file-size,max-request-size:設置上傳文件大小限制；工具

static-locations:設置要暴露的靜態資源路徑，不設置的話上傳的圖片訪問不到；

2.2 controller層實現

/**
 * @Author: wanggang.io
 * @Date: 2019/5/8 14:05
 * @todo
 */
@RestController
@RequestMapping("pic")
public class UploadController {

    @Autowired
    private LocalConfig localConfig;
    @Autowired
    private FileUploadService fileUploadService;

    @PostMapping("upload")
    public ResultMsg uploadFile(String jessionids , MultipartFile file) {
        if(jessionids == null || jessionids.isEmpty()){
            return ResultMsg.getFailedMsg("jessionids 不能爲空");
        }
        //爲了安全，服務端要嚴驗證jessionids,jessionids是一串隨機數
        if(!jessionids.equals("9be51d2f-bb1a-4c61-b989-c3d126211d661570588000594"))
            return ResultMsg.getFailedMsg("jessionids 錯誤");

        long size = (long) file.getSize();
        if (size > localConfig.getMaxFileSize()) {
            return ResultMsg.getMsg("上傳文件過大，請上傳小於10MB大小的文件");
        }

        ResultMsg resultMsg = fileUploadService.uploadFile("shareX", file);

        if (resultMsg.getResult() != "SUCCESS") {
            return ResultMsg.getFailedMsg("保存文件失敗");
        }
        FileInfo fileInfo = (FileInfo) resultMsg.getData();
        resultMsg.setData(fileInfo);
        return resultMsg;
    }
}

接口的請求路徑爲：http://192.168.1.188:8080/sharex/pic/upload

2.3 service層實現：

/**
 * @Author: wanggang.io
 * @Date: 2019/5/8 14:01
 * @todo
 */
@Service
public class FileUploadService {

    @Autowired
    private LocalConfig localConfig;

    public ResultMsg uploadFile(String sendId, MultipartFile file){
        String sepa = File.separator;
        String fileName = file.getOriginalFilename();
        String fileNameSuffix = fileName.substring(fileName.lastIndexOf(".") + 1);
        String fileNamePrefix = fileName.substring(0 , fileName.lastIndexOf("."));
        String timeStr = ""+ DateUtils.getDayStr(new Date());
        String newFileName = fileNamePrefix + "-"+ sendId +"-"+ DateUtils.getDateStr(new Date())  + "." + fileNameSuffix;
        String baseFilePath = localConfig.getUploadFilePath();
        String path = baseFilePath + sendId+ sepa + timeStr;

        createDirectory(path);

        File targetFile = new File(path + sepa + newFileName);
        try {
            //將上傳文件寫到服務器上指定的文件夾
            file.transferTo(targetFile);
            String saveUrl =localConfig.getBaseurl()+ sendId+ "/" + timeStr + "/" + newFileName;
            FileInfo fileInfo = new FileInfo(newFileName,fileNameSuffix,saveUrl,fileName);
            return ResultMsg.getMsg(fileInfo);
        } catch (IOException e) {
            e.printStackTrace();
            return ResultMsg.getFailedMsg(e.getMessage());
        }
    }
   /**建立目錄**/
    public void createDirectory(String directoryPath){
        File targetFile = new File(directoryPath);
        if (!targetFile.exists()) {
            targetFile.mkdirs();
        }
    }
}

FileInfo.java

@Data
public class FileInfo {
    public FileInfo(){}
    public FileInfo(String fileName, String fileType, String fileUrl, String oldFileName){
        this.fileName = fileName;
        this.fileType= fileType;
        this.fileUrl = fileUrl;
        this.originFileName = oldFileName;
    }
    public String fileName;
    public String fileType;
    public String fileUrl;
    public String originFileName;
}

啓動程序測試了一下，接口返回信息以下：

{
    "data": {
        "fileName": "Test-shareX-20191009133656.png",
        "fileType": "png",
        "fileUrl": "http://192.168.1.188:8080/sharex/shareX/20191009/Test-shareX-20191009133656.png",
        "originFileName": "Test.png"
    },
    "result": "SUCCESS",
    "resultCode": 200,
    "resultMsg": ""
}