| | |
| | | import java.io.File;
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| | | import java.io.FileInputStream;
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| | | import java.io.FileNotFoundException;
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| | | import java.io.FileOutputStream;
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| | | import java.io.IOException;
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| | | import java.io.OutputStream;
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| | | import java.io.UnsupportedEncodingException;
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| | |
| | | import java.nio.charset.StandardCharsets;
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| | | import javax.servlet.http.HttpServletRequest;
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| | | import javax.servlet.http.HttpServletResponse;
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| | | import org.apache.commons.io.IOUtils;
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| | | import org.apache.commons.lang3.ArrayUtils;
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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 com.ruoyi.common.utils.uuid.IdUtils;
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| | | import com.ruoyi.framework.config.RuoYiConfig;
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| | |
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| | | /**
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| | | * 文件处理工具类
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| | | *
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| | | * @author ruoyi
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| | | */
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| | | public class FileUtils extends org.apache.commons.io.FileUtils
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| | | public class FileUtils
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| | | {
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| | | public static String FILENAME_PATTERN = "[a-zA-Z0-9_\\-\\|\\.\\u4e00-\\u9fa5]+";
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| | |
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| | |
| | | }
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| | | finally
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| | | {
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| | | if (os != null)
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| | | {
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| | | try
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| | | {
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| | | os.close();
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| | | }
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| | | catch (IOException e1)
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| | | {
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| | | e1.printStackTrace();
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| | | }
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| | | }
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| | | if (fis != null)
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| | | {
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| | | try
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| | | {
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| | | fis.close();
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| | | }
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| | | catch (IOException e1)
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| | | {
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| | | e1.printStackTrace();
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| | | }
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| | | }
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| | | IOUtils.close(os);
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| | | IOUtils.close(fis);
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| | | }
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| | | }
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| | |
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| | | /**
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| | | * 写数据到文件中
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| | | *
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| | | * @param data 数据
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| | | * @return 目标文件
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| | | * @throws IOException IO异常
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| | | */
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| | | public static String writeImportBytes(byte[] data) throws IOException
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| | | {
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| | | return writeBytes(data, RuoYiConfig.getImportPath());
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| | | }
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| | |
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| | | /**
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| | | * 写数据到文件中
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| | | *
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| | | * @param data 数据
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| | | * @param uploadDir 目标文件
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| | | * @return 目标文件
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| | | * @throws IOException IO异常
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| | | */
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| | | public static String writeBytes(byte[] data, String uploadDir) throws IOException
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| | | {
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| | | FileOutputStream fos = null;
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| | | String pathName = "";
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| | | try
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| | | {
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| | | String extension = getFileExtendName(data);
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| | | pathName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
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| | | File file = FileUploadUtils.getAbsoluteFile(uploadDir, pathName);
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| | | fos = new FileOutputStream(file);
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| | | fos.write(data);
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| | | }
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| | | finally
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| | | {
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| | | IOUtils.close(fos);
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| | | }
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| | | return FileUploadUtils.getPathFileName(uploadDir, pathName);
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| | | }
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| | |
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| | | /**
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| | |
| | | .append("utf-8''")
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| | | .append(percentEncodedFileName);
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| | |
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| | | response.addHeader("Access-Control-Allow-Origin", "*");
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| | | response.addHeader("Access-Control-Expose-Headers", "Content-Disposition,download-filename");
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| | | response.setHeader("Content-disposition", contentDispositionValue.toString());
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| | | response.setHeader("download-filename", percentEncodedFileName);
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| | | }
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| | |
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| | | /**
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| | |
| | | String encode = URLEncoder.encode(s, StandardCharsets.UTF_8.toString());
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| | | return encode.replaceAll("\\+", "%20");
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| | | }
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| | |
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| | | /**
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| | | * 获取图像后缀
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| | | * |
| | | * @param photoByte 图像数据
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| | | * @return 后缀名
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| | | */
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| | | public static String getFileExtendName(byte[] photoByte)
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| | | {
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| | | String strFileExtendName = "jpg";
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| | | if ((photoByte[0] == 71) && (photoByte[1] == 73) && (photoByte[2] == 70) && (photoByte[3] == 56)
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| | | && ((photoByte[4] == 55) || (photoByte[4] == 57)) && (photoByte[5] == 97))
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| | | {
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| | | strFileExtendName = "gif";
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| | | }
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| | | else if ((photoByte[6] == 74) && (photoByte[7] == 70) && (photoByte[8] == 73) && (photoByte[9] == 70))
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| | | {
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| | | strFileExtendName = "jpg";
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| | | }
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| | | else if ((photoByte[0] == 66) && (photoByte[1] == 77))
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| | | {
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| | | strFileExtendName = "bmp";
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| | | }
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| | | else if ((photoByte[1] == 80) && (photoByte[2] == 78) && (photoByte[3] == 71))
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| | | {
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| | | strFileExtendName = "png";
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| | | }
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| | | return strFileExtendName;
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| | | }
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| | |
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| | | /**
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| | | * 获取名称
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| | | * |
| | | * @param fileName 路径名称
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| | | * @return 没有文件路径的名称
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| | | */
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| | | public static String getName(String fileName)
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| | | {
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| | | if (fileName == null)
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| | | {
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| | | return null;
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| | | }
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| | | int lastUnixPos = fileName.lastIndexOf('/');
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| | | int lastWindowsPos = fileName.lastIndexOf('\\');
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| | | int index = Math.max(lastUnixPos, lastWindowsPos);
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| | | return fileName.substring(index + 1);
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| | | }
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| | | }
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