疯狂的狮子li
5 years ago
parent
08db4a5f53
commit
79bf332c53
@ -1,88 +0,0 @@
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package com.ruoyi.web.controller.common;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.config.RuoYiConfig;
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import com.ruoyi.common.constant.Constants;
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import com.ruoyi.common.utils.file.FileUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.http.MediaType;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.File;
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/**
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* 通用请求处理
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*
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* @author ruoyi
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*/
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@RestController
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public class CommonController
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{
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private static final Logger log = LoggerFactory.getLogger(CommonController.class);
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/**
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* 通用下载请求
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*
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* @param fileName 文件名称
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* @param delete 是否删除
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*/
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@GetMapping("common/download")
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public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)
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{
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try
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{
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if (!FileUtils.checkAllowDownload(fileName))
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{
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throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
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}
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String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
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String filePath = RuoYiConfig.getDownloadPath() + fileName;
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File file = new File(filePath);
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response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
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FileUtils.setAttachmentResponseHeader(response, realFileName);
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FileUtils.writeToStream(file, response.getOutputStream());
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if (delete)
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{
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FileUtils.del(file);
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}
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}
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catch (Exception e)
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{
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log.error("下载文件失败", e);
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}
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}
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/**
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* 本地资源通用下载
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*/
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@GetMapping("/common/download/resource")
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public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
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throws Exception
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{
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try
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{
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if (!FileUtils.checkAllowDownload(resource))
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{
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throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
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}
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// 本地资源路径
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String localPath = RuoYiConfig.getProfile();
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// 数据库资源地址
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String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
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// 下载名称
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String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
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response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
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File file = new File(downloadPath);
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FileUtils.setAttachmentResponseHeader(response, downloadName);
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FileUtils.writeToStream(file, response.getOutputStream());
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}
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catch (Exception e)
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{
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log.error("下载文件失败", e);
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}
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}
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}
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@ -1,238 +0,0 @@
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package com.ruoyi.common.utils.file;
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import cn.hutool.core.io.FileUtil;
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import cn.hutool.core.util.IdUtil;
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import com.ruoyi.common.config.RuoYiConfig;
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import com.ruoyi.common.constant.Constants;
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import com.ruoyi.common.exception.file.FileNameLengthLimitExceededException;
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import com.ruoyi.common.exception.file.FileSizeLimitExceededException;
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import com.ruoyi.common.exception.file.InvalidExtensionException;
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import com.ruoyi.common.utils.DateUtils;
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import com.ruoyi.common.utils.StringUtils;
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import org.apache.commons.io.FilenameUtils;
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import org.springframework.web.multipart.MultipartFile;
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import java.io.File;
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import java.io.IOException;
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/**
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* 文件上传工具类
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*
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* @author ruoyi
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*/
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public class FileUploadUtils
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{
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/**
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* 默认大小 50M
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*/
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public static final long DEFAULT_MAX_SIZE = 50 * 1024 * 1024;
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/**
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* 默认的文件名最大长度 100
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*/
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public static final int DEFAULT_FILE_NAME_LENGTH = 100;
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/**
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* 默认上传的地址
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*/
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private static String defaultBaseDir = RuoYiConfig.getProfile();
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public static void setDefaultBaseDir(String defaultBaseDir)
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{
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FileUploadUtils.defaultBaseDir = defaultBaseDir;
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}
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public static String getDefaultBaseDir()
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{
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return defaultBaseDir;
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}
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/**
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* 以默认配置进行文件上传
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*
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* @param file 上传的文件
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* @return 文件名称
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* @throws Exception
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*/
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public static final String upload(MultipartFile file) throws IOException
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{
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try
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{
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return upload(getDefaultBaseDir(), file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
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}
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catch (Exception e)
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{
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throw new IOException(e.getMessage(), e);
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}
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}
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/**
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* 根据文件路径上传
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*
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* @param baseDir 相对应用的基目录
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* @param file 上传的文件
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* @return 文件名称
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* @throws IOException
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*/
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public static final String upload(String baseDir, MultipartFile file) throws IOException
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{
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try
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{
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return upload(baseDir, file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
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}
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catch (Exception e)
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{
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throw new IOException(e.getMessage(), e);
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}
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}
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/**
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* 文件上传
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*
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* @param baseDir 相对应用的基目录
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* @param file 上传的文件
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* @param allowedExtension 上传文件类型
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* @return 返回上传成功的文件名
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* @throws FileSizeLimitExceededException 如果超出最大大小
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* @throws FileNameLengthLimitExceededException 文件名太长
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* @throws IOException 比如读写文件出错时
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* @throws InvalidExtensionException 文件校验异常
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*/
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public static final String upload(String baseDir, MultipartFile file, String[] allowedExtension)
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throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException,
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InvalidExtensionException
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{
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int fileNamelength = file.getOriginalFilename().length();
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if (fileNamelength > FileUploadUtils.DEFAULT_FILE_NAME_LENGTH)
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{
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throw new FileNameLengthLimitExceededException(FileUploadUtils.DEFAULT_FILE_NAME_LENGTH);
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}
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assertAllowed(file, allowedExtension);
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String fileName = extractFilename(file);
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File desc = getAbsoluteFile(baseDir, fileName);
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desc = FileUtil.touch(desc);
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FileUtil.writeFromStream(file.getInputStream(), desc);
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String pathFileName = getPathFileName(baseDir, fileName);
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return pathFileName;
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}
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/**
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* 编码文件名
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*/
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public static final String extractFilename(MultipartFile file)
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{
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String fileName = file.getOriginalFilename();
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String extension = getExtension(file);
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fileName = DateUtils.datePath() + "/" + IdUtil.fastUUID() + "." + extension;
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return fileName;
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}
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private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
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{
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File desc = new File(uploadDir + File.separator + fileName);
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if (!desc.exists())
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{
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if (!desc.getParentFile().exists())
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{
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desc.getParentFile().mkdirs();
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}
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}
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return desc;
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}
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private static final String getPathFileName(String uploadDir, String fileName) throws IOException
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{
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int dirLastIndex = RuoYiConfig.getProfile().length() + 1;
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String currentDir = StringUtils.substring(uploadDir, dirLastIndex);
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String pathFileName = Constants.RESOURCE_PREFIX + "/" + currentDir + "/" + fileName;
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return pathFileName;
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}
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/**
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* 文件大小校验
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*
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* @param file 上传的文件
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* @return
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* @throws FileSizeLimitExceededException 如果超出最大大小
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* @throws InvalidExtensionException
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*/
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public static final void assertAllowed(MultipartFile file, String[] allowedExtension)
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throws FileSizeLimitExceededException, InvalidExtensionException
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{
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long size = file.getSize();
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if (DEFAULT_MAX_SIZE != -1 && size > DEFAULT_MAX_SIZE)
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{
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throw new FileSizeLimitExceededException(DEFAULT_MAX_SIZE / 1024 / 1024);
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}
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String fileName = file.getOriginalFilename();
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String extension = getExtension(file);
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if (allowedExtension != null && !isAllowedExtension(extension, allowedExtension))
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{
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if (allowedExtension == MimeTypeUtils.IMAGE_EXTENSION)
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{
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throw new InvalidExtensionException.InvalidImageExtensionException(allowedExtension, extension,
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fileName);
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}
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else if (allowedExtension == MimeTypeUtils.FLASH_EXTENSION)
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{
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throw new InvalidExtensionException.InvalidFlashExtensionException(allowedExtension, extension,
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fileName);
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}
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else if (allowedExtension == MimeTypeUtils.MEDIA_EXTENSION)
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{
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throw new InvalidExtensionException.InvalidMediaExtensionException(allowedExtension, extension,
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fileName);
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}
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else if (allowedExtension == MimeTypeUtils.VIDEO_EXTENSION)
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{
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throw new InvalidExtensionException.InvalidVideoExtensionException(allowedExtension, extension,
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fileName);
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}
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else
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{
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throw new InvalidExtensionException(allowedExtension, extension, fileName);
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}
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}
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}
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/**
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* 判断MIME类型是否是允许的MIME类型
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*
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* @param extension
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* @param allowedExtension
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* @return
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*/
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public static final boolean isAllowedExtension(String extension, String[] allowedExtension)
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{
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for (String str : allowedExtension)
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{
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if (str.equalsIgnoreCase(extension))
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{
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return true;
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}
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}
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return false;
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}
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/**
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* 获取文件名的后缀
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*
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* @param file 表单文件
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* @return 后缀名
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*/
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public static final String getExtension(MultipartFile file)
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{
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String extension = FilenameUtils.getExtension(file.getOriginalFilename());
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if (StringUtils.isEmpty(extension))
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{
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extension = MimeTypeUtils.getExtension(file.getContentType());
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}
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return extension;
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}
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}
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@ -1,102 +0,0 @@
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package com.ruoyi.common.utils.file;
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import com.ruoyi.common.config.RuoYiConfig;
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import com.ruoyi.common.constant.Constants;
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import com.ruoyi.common.utils.StringUtils;
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import org.apache.poi.util.IOUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.FileInputStream;
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import java.io.InputStream;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.Arrays;
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/**
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* 图片处理工具类
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*
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* @author ruoyi
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*/
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public class ImageUtils
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{
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private static final Logger log = LoggerFactory.getLogger(ImageUtils.class);
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public static byte[] getImage(String imagePath)
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{
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InputStream is = getFile(imagePath);
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try
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{
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return IOUtils.toByteArray(is);
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}
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catch (Exception e)
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{
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log.error("图片加载异常 {}", e);
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return null;
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}
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finally
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{
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IOUtils.closeQuietly(is);
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}
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}
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public static InputStream getFile(String imagePath)
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{
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try
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{
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byte[] result = readFile(imagePath);
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result = Arrays.copyOf(result, result.length);
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return new ByteArrayInputStream(result);
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}
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catch (Exception e)
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{
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log.error("获取图片异常 {}", e);
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}
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return null;
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}
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/**
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* 读取文件为字节数据
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*
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* @param key 地址
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* @return 字节数据
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*/
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public static byte[] readFile(String url)
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{
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InputStream in = null;
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ByteArrayOutputStream baos = null;
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try
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{
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if (url.startsWith("http"))
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{
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// 网络地址
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URL urlObj = new URL(url);
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URLConnection urlConnection = urlObj.openConnection();
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urlConnection.setConnectTimeout(30 * 1000);
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urlConnection.setReadTimeout(60 * 1000);
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urlConnection.setDoInput(true);
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in = urlConnection.getInputStream();
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}
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else
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{
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// 本机地址
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String localPath = RuoYiConfig.getProfile();
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String downloadPath = localPath + StringUtils.substringAfter(url, Constants.RESOURCE_PREFIX);
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in = new FileInputStream(downloadPath);
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}
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return IOUtils.toByteArray(in);
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}
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catch (Exception e)
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{
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log.error("获取文件路径异常 {}", e);
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return null;
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}
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finally
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{
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IOUtils.closeQuietly(in);
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IOUtils.closeQuietly(baos);
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}
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}
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}
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@ -1,59 +0,0 @@
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package com.ruoyi.common.utils.file;
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/**
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* 媒体类型工具类
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*
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* @author ruoyi
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*/
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public class MimeTypeUtils
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{
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public static final String IMAGE_PNG = "image/png";
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public static final String IMAGE_JPG = "image/jpg";
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public static final String IMAGE_JPEG = "image/jpeg";
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public static final String IMAGE_BMP = "image/bmp";
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public static final String IMAGE_GIF = "image/gif";
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public static final String[] IMAGE_EXTENSION = { "bmp", "gif", "jpg", "jpeg", "png" };
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public static final String[] FLASH_EXTENSION = { "swf", "flv" };
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public static final String[] MEDIA_EXTENSION = { "swf", "flv", "mp3", "wav", "wma", "wmv", "mid", "avi", "mpg",
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"asf", "rm", "rmvb" };
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public static final String[] VIDEO_EXTENSION = { "mp4", "avi", "rmvb" };
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public static final String[] DEFAULT_ALLOWED_EXTENSION = {
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// 图片
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"bmp", "gif", "jpg", "jpeg", "png",
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// word excel powerpoint
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"doc", "docx", "xls", "xlsx", "ppt", "pptx", "html", "htm", "txt",
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// 压缩文件
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"rar", "zip", "gz", "bz2",
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// 视频格式
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"mp4", "avi", "rmvb",
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// pdf
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"pdf" };
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public static String getExtension(String prefix)
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{
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switch (prefix)
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{
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case IMAGE_PNG:
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return "png";
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case IMAGE_JPG:
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return "jpg";
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case IMAGE_JPEG:
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return "jpeg";
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case IMAGE_BMP:
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return "bmp";
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case IMAGE_GIF:
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return "gif";
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default:
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return "";
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}
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}
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}
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