Excel导出功能

yzg-util-base/src/main/java/com/yanzuoguang/util/base/ObjectHelper.java

@@ -559,7 +559,7 @@ public class ObjectHelper {
     public static <T> ArrayList<T> getList(Class<T> cls, Object froms) {
         ArrayList<T> tos = new ArrayList<T>();
         if (froms instanceof List) {
-            List vCodeFrom = (List) ((froms instanceof List) ? froms : new ArrayList<>());
+            List vCodeFrom = (List) froms;
             for (Object from : vCodeFrom) {
                 if (StringHelper.isEmpty(from)) {
                     continue;

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

@@ -92,9 +92,14 @@ public class FileHelper {
             if (file.exists()) {
                 throw new CodeException("文件删除失败");
             }
-            // 创建文件
-            file.getParentFile().mkdirs();
-
+            // 创建文件夹
+            File parentFile = file.getParentFile();
+            if (parentFile != null && !parentFile.exists()) {
+                parentFile.mkdirs();
+            }
+            if (!parentFile.exists()) {
+                throw new CodeException("创建文件夹失败");
+            }
             file.createNewFile();
             // 写入文件
             RandomAccessFile raf = new RandomAccessFile(file, "rwd");

yzg-util-db/src/main/java/com/yanzuoguang/excel/ExcelConsole.java

@@ -336,8 +336,7 @@ public class ExcelConsole<T extends Object> implements DbRow<T> {
             workbook = null;
         }
         File file = new File(this.getFileName());
-        if (file.exists()) {
-            file.delete();
+        if (file.exists() && file.delete()) {
         }
         return this;
     }