合并,备份

basic-common/util/src/main/java/com/yiring/common/util/file/FileTypeUtils.java

-/* (C) 2022 YiRing, Inc. */
-package com.yiring.common.util.file;
-
-import java.io.File;
-import org.apache.commons.lang3.StringUtils;
-
-/**
- * 文件类型工具类
- */
-public class FileTypeUtils {
-
-    /**
-     * 获取文件类型
-     * <p>
-     * 例如: ruoyi.txt, 返回: txt
-     *
-     * @param file 文件名
-     * @return 后缀（不含".")
-     */
-    public static String getFileType(File file) {
-        if (null == file) {
-            return StringUtils.EMPTY;
-        }
-        return getFileType(file.getName());
-    }
-
-    /**
-     * 获取文件类型
-     * <p>
-     * 例如: ruoyi.txt, 返回: txt
-     *
-     * @param fileName 文件名
-     * @return 后缀（不含".")
-     */
-    public static String getFileType(String fileName) {
-        int separatorIndex = fileName.lastIndexOf(".");
-        if (separatorIndex < 0) {
-            return "";
-        }
-        return fileName.substring(separatorIndex + 1).toLowerCase();
-    }
-
-    /**
-     * 获取文件类型
-     *
-     * @param photoByte 文件字节码
-     * @return 后缀（不含".")
-     */
-    public static String getFileExtendName(byte[] photoByte) {
-        String strFileExtendName = "JPG";
-        if (
-            (photoByte[0] == 71) &&
-            (photoByte[1] == 73) &&
-            (photoByte[2] == 70) &&
-            (photoByte[3] == 56) &&
-            ((photoByte[4] == 55) || (photoByte[4] == 57)) &&
-            (photoByte[5] == 97)
-        ) {
-            strFileExtendName = "GIF";
-        } else if ((photoByte[6] == 74) && (photoByte[7] == 70) && (photoByte[8] == 73) && (photoByte[9] == 70)) {
-            strFileExtendName = "JPG";
-        } else if ((photoByte[0] == 66) && (photoByte[1] == 77)) {
-            strFileExtendName = "BMP";
-        } else if ((photoByte[1] == 80) && (photoByte[2] == 78) && (photoByte[3] == 71)) {
-            strFileExtendName = "PNG";
-        }
-        return strFileExtendName;
-    }
-}

basic-common/util/src/main/java/com/yiring/common/util/file/ImageUtils.java

-/* (C) 2022 YiRing, Inc. */
-package com.yiring.common.util.file;
-
-import java.io.ByteArrayInputStream;
-import java.io.InputStream;
-import java.net.URL;
-import java.net.URLConnection;
-import java.util.Arrays;
-import org.apache.poi.util.IOUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * 图片处理工具类
- */
-public class ImageUtils {
-
-    private static final Logger log = LoggerFactory.getLogger(ImageUtils.class);
-
-    public static byte[] getImage(String imagePath) {
-        InputStream is = getFile(imagePath);
-        try {
-            return IOUtils.toByteArray(is);
-        } catch (Exception e) {
-            log.error("图片加载异常 {}", e);
-            return null;
-        } finally {
-            IOUtils.closeQuietly(is);
-        }
-    }
-
-    public static InputStream getFile(String imagePath) {
-        try {
-            byte[] result = readFile(imagePath);
-            result = Arrays.copyOf(result, result.length);
-            return new ByteArrayInputStream(result);
-        } catch (Exception e) {
-            log.error("获取图片异常 {}", e);
-        }
-        return null;
-    }
-
-    /**
-     * 读取文件为字节数据
-     *
-     * @param url 地址
-     * @return 字节数据
-     */
-    public static byte[] readFile(String url) {
-        InputStream in = null;
-        try {
-            // 网络地址
-            URL urlObj = new URL(url);
-            URLConnection urlConnection = urlObj.openConnection();
-            urlConnection.setConnectTimeout(30 * 1000);
-            urlConnection.setReadTimeout(60 * 1000);
-            urlConnection.setDoInput(true);
-            in = urlConnection.getInputStream();
-            return IOUtils.toByteArray(in);
-        } catch (Exception e) {
-            log.error("访问文件异常 {}", e);
-            return null;
-        } finally {
-            IOUtils.closeQuietly(in);
-        }
-    }
-}

basic-common/util/src/main/java/com/yiring/common/util/poi/ExcelHandlerAdapter.java

-/* (C) 2022 YiRing, Inc. */
-package com.yiring.common.util.poi;
-
-/**
- * Excel数据格式处理适配器
- */
-public interface ExcelHandlerAdapter {
-    /**
-     * 格式化
-     *
-     * @param value 单元格数据值
-     * @param args  excel注解args参数组
-     * @return 处理后的值
-     */
-    Object format(Object value, String[] args);
-}