Excel导出功能

yzg-util-base/src/main/java/com/yanzuoguang/util/helper/FileHelper.java

@@ -11,6 +11,7 @@ import java.io.RandomAccessFile;
 
 /**
  * 登录相关函数
+ *
  * @author 颜佐光
  */
 public class FileHelper {
@@ -169,18 +170,20 @@ public class FileHelper {
         boolean flag = true;
         //删除文件夹下的所有文件(包括子目录)
         File[] files = dirFile.listFiles();
-        for (int i = 0; i < files.length; i++) {
-            //删除子文件
-            if (files[i].isFile()) {
-                flag = deleteFile(files[i].getAbsolutePath());
-                if (!flag) {
-                    break;
-                }
-            } //删除子目录
-            else {
-                flag = deleteDirectory(files[i].getAbsolutePath());
-                if (!flag) {
-                    break;
+        if (files != null) {
+            for (int i = 0; i < files.length; i++) {
+                //删除子文件
+                if (files[i].isFile()) {
+                    flag = deleteFile(files[i].getAbsolutePath());
+                    if (!flag) {
+                        break;
+                    }
+                } //删除子目录
+                else {
+                    flag = deleteDirectory(files[i].getAbsolutePath());
+                    if (!flag) {
+                        break;
+                    }
                 }
             }
         }

yzg-util-base/src/main/java/com/yanzuoguang/util/helper/ZipHelper.java

@@ -246,6 +246,9 @@ public class ZipHelper {
      */
     private static void dealDirFile(File dirFile, String parentDir, BufferedOutputStream bufferOutStream, ZipOutputStream zipOutStream) throws IOException {
         File[] fileList = dirFile.listFiles();
+        if (fileList == null) {
+            return;
+        }
         for (File file : fileList) {
             if (file.isFile()) {
                 // 创建压缩文件实体