e签宝API对接测试

eladmin-common/src/main/java/me/zhengjie/utils/FileUtil.java

@@ -20,11 +20,13 @@ import cn.hutool.core.util.IdUtil;
 import cn.hutool.poi.excel.BigExcelWriter;
 import cn.hutool.poi.excel.ExcelUtil;
 import me.zhengjie.exception.BadRequestException;
+import org.apache.commons.codec.binary.Base64;
 import org.apache.poi.util.IOUtils;
 import org.apache.poi.xssf.streaming.SXSSFSheet;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.web.multipart.MultipartFile;
+
 import javax.servlet.ServletOutputStream;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -353,4 +355,20 @@ public class FileUtil extends cn.hutool.core.io.FileUtil {
     public static String getMd5(File file) {
         return getMd5(getByte(file));
     }
+
+    /**
+     * 将文件内容转换成Base64编码
+     *
+     * @param path
+     * @return
+     * @throws Exception
+     */
+    public static String encodeBase64File(String path) throws Exception {
+        File file = new File(path);
+        FileInputStream inputFile = new FileInputStream(file);
+        byte[] buffer = new byte[(int) file.length()];
+        inputFile.read(buffer);
+        inputFile.close();
+        return Base64.encodeBase64String(buffer);
+    }
 }