update 日常校验 统一重构到 StringUtils 便于维护扩展

疯狂的狮子li

2021-08-02 c813046594b82230cd2cb61622d68a4981096e08

 ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java

@@ -1,109 +1,88 @@
package com.ruoyi.web.controller.common;



import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.PostMapping;

import org.springframework.web.bind.annotation.RestController;

import org.springframework.web.multipart.MultipartFile;

import com.ruoyi.common.config.RuoYiConfig;

import com.ruoyi.common.constant.Constants;

import com.ruoyi.common.core.domain.AjaxResult;

import com.ruoyi.common.utils.StringUtils;

import com.ruoyi.common.utils.file.FileUploadUtils;

import com.ruoyi.common.utils.file.FileUtils;

import com.ruoyi.framework.config.ServerConfig;



/**

 * 通用请求处理

 * 
 * @author ruoyi

 */

@RestController

public class CommonController

{

    private static final Logger log = LoggerFactory.getLogger(CommonController.class);



    @Autowired

    private ServerConfig serverConfig;



    /**

     * 通用下载请求

     * 
     * @param fileName 文件名称

     * @param delete 是否删除

     */

    @GetMapping("common/download")

    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)

    {

        try

        {

            if (!FileUtils.isValidFilename(fileName))

            {

                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));

            }

            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);

            String filePath = RuoYiConfig.getDownloadPath() + fileName;



            response.setCharacterEncoding("utf-8");

            response.setContentType("multipart/form-data");

            response.setHeader("Content-Disposition",

                    "attachment;fileName=" + FileUtils.setFileDownloadHeader(request, realFileName));

            FileUtils.writeBytes(filePath, response.getOutputStream());

            if (delete)

            {

                FileUtils.deleteFile(filePath);

            }

        }

        catch (Exception e)

        {

            log.error("下载文件失败", e);

        }

    }



    /**

     * 通用上传请求

     */

    @PostMapping("/common/upload")

    public AjaxResult uploadFile(MultipartFile file) throws Exception

    {

        try

        {

            // 上传文件路径

            String filePath = RuoYiConfig.getUploadPath();

            // 上传并返回新文件名称

            String fileName = FileUploadUtils.upload(filePath, file);

            String url = serverConfig.getUrl() + fileName;

            AjaxResult ajax = AjaxResult.success();

            ajax.put("fileName", fileName);

            ajax.put("url", url);

            return ajax;

        }

        catch (Exception e)

        {

            return AjaxResult.error(e.getMessage());

        }

    }



    /**

     * 本地资源通用下载

     */

    @GetMapping("/common/download/resource")

    public void resourceDownload(String name, HttpServletRequest request, HttpServletResponse response) throws Exception

    {

        // 本地资源路径

        String localPath = RuoYiConfig.getProfile();

        // 数据库资源地址

        String downloadPath = localPath + StringUtils.substringAfter(name, Constants.RESOURCE_PREFIX);

        // 下载名称

        String downloadName = StringUtils.substringAfterLast(downloadPath, "/");

        response.setCharacterEncoding("utf-8");

        response.setContentType("multipart/form-data");

        response.setHeader("Content-Disposition",

                "attachment;fileName=" + FileUtils.setFileDownloadHeader(request, downloadName));

        FileUtils.writeBytes(downloadPath, response.getOutputStream());

    }

}

package com.ruoyi.web.controller.common;

import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.utils.file.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;

/**
 * 通用请求处理
 *
 * @author ruoyi
 */
@RestController
public class CommonController
{
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    /**
     * 通用下载请求
     *
     * @param fileName 文件名称
     * @param delete 是否删除
     */
    @GetMapping("common/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)
    {
        try
        {
            if (!FileUtils.checkAllowDownload(fileName))
            {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = RuoYiConfig.getDownloadPath() + fileName;
         File file = new File(filePath);
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
         FileUtils.writeToStream(file, response.getOutputStream());
            if (delete)
            {
            FileUtils.del(file);
            }
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/common/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
            throws Exception
    {
        try
        {
            if (!FileUtils.checkAllowDownload(resource))
            {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = RuoYiConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
         File file = new File(downloadPath);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeToStream(file, response.getOutputStream());
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }
}