From 31f55ea1de6f788a93c539ee025d324d40a9dc19 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期二, 04 一月 2022 20:24:49 +0800
Subject: [PATCH] update donate

---
 src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java |   89 +++++++++++++++++++++-----------------------
 1 files changed, 43 insertions(+), 46 deletions(-)

diff --git a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 2784244..9995ffd 100644
--- a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -268,22 +268,15 @@
                 }
             }
             // 鏈夋暟鎹椂鎵嶅鐞� 寰楀埌绫荤殑鎵�鏈塮ield.
-            Field[] allFields = clazz.getDeclaredFields();
-            // 瀹氫箟涓�涓猰ap鐢ㄤ簬瀛樻斁鍒楃殑搴忓彿鍜宖ield.
-            Map<Integer, Field> fieldsMap = new HashMap<Integer, Field>();
-            for (int col = 0; col < allFields.length; col++)
+            List<Object[]> fields = this.getFields();
+            Map<Integer, Object[]> fieldsMap = new HashMap<Integer, Object[]>();
+            for (Object[] objects : fields)
             {
-                Field field = allFields[col];
-                Excel attr = field.getAnnotation(Excel.class);
-                if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
+                Excel attr = (Excel) objects[1];
+                Integer column = cellMap.get(attr.name());
+                if (column != null)
                 {
-                    // 璁剧疆绫荤殑绉佹湁瀛楁灞炴�у彲璁块棶.
-                    field.setAccessible(true);
-                    Integer column = cellMap.get(attr.name());
-                    if (column != null)
-                    {
-                        fieldsMap.put(column, field);
-                    }
+                    fieldsMap.put(column, objects);
                 }
             }
             for (int i = titleNum + 1; i <= rows; i++)
@@ -296,14 +289,15 @@
                     continue;
                 }
                 T entity = null;
-                for (Map.Entry<Integer, Field> entry : fieldsMap.entrySet())
+                for (Map.Entry<Integer, Object[]> entry : fieldsMap.entrySet())
                 {
                     Object val = this.getCellValue(row, entry.getKey());
 
                     // 濡傛灉涓嶅瓨鍦ㄥ疄渚嬪垯鏂板缓.
                     entity = (entity == null ? clazz.newInstance() : entity);
                     // 浠巑ap涓緱鍒板搴斿垪鐨刦ield.
-                    Field field = fieldsMap.get(entry.getKey());
+                    Field field = (Field) entry.getValue()[0];
+                    Excel attr = (Excel) entry.getValue()[1];
                     // 鍙栧緱绫诲瀷,骞舵牴鎹璞$被鍨嬭缃��.
                     Class<?> fieldType = field.getType();
                     if (String.class == fieldType)
@@ -363,7 +357,6 @@
                     }
                     if (StringUtils.isNotNull(fieldType))
                     {
-                        Excel attr = field.getAnnotation(Excel.class);
                         String propertyName = field.getName();
                         if (StringUtils.isNotEmpty(attr.targetAttr()))
                         {
@@ -438,7 +431,7 @@
      * @return 缁撴灉
      * @throws IOException
      */
-    public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)throws IOException
+    public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)
     {
         exportExcel(response, list, sheetName, StringUtils.EMPTY);
     }
@@ -453,12 +446,12 @@
      * @return 缁撴灉
      * @throws IOException
      */
-    public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title) throws IOException
+    public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title)
     {
         response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
         response.setCharacterEncoding("utf-8");
         this.init(list, sheetName, title, Type.EXPORT);
-        exportExcel(response.getOutputStream());
+        exportExcel(response);
     }
 
     /**
@@ -491,9 +484,9 @@
      * @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О
      * @return 缁撴灉
      */
-    public void importTemplateExcel(HttpServletResponse response, String sheetName) throws IOException
+    public void importTemplateExcel(HttpServletResponse response, String sheetName)
     {
-        importTemplateExcel(response, sheetName);
+        importTemplateExcel(response, sheetName, StringUtils.EMPTY);
     }
 
     /**
@@ -503,12 +496,12 @@
      * @param title 鏍囬
      * @return 缁撴灉
      */
-    public void importTemplateExcel(HttpServletResponse response, String sheetName, String title) throws IOException
+    public void importTemplateExcel(HttpServletResponse response, String sheetName, String title)
     {
         response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
         response.setCharacterEncoding("utf-8");
         this.init(null, sheetName, title, Type.IMPORT);
-        exportExcel(response.getOutputStream());
+        exportExcel(response);
     }
 
     /**
@@ -516,12 +509,12 @@
      * 
      * @return 缁撴灉
      */
-    public void exportExcel(OutputStream out)
+    public void exportExcel(HttpServletResponse response)
     {
         try
         {
             writeSheet();
-            wb.write(out);
+            wb.write(response.getOutputStream());
         }
         catch (Exception e)
         {
@@ -530,7 +523,6 @@
         finally
         {
             IOUtils.closeQuietly(wb);
-            IOUtils.closeQuietly(out);
         }
     }
 
@@ -610,8 +602,6 @@
             {
                 Field field = (Field) os[0];
                 Excel excel = (Excel) os[1];
-                // 璁剧疆瀹炰綋绫荤鏈夊睘鎬у彲璁块棶
-                field.setAccessible(true);
                 this.addCell(excel, row, vo, field, column++);
             }
         }
@@ -1164,7 +1154,17 @@
      */
     private void createExcelField()
     {
-        this.fields = new ArrayList<Object[]>();
+        this.fields = getFields();
+        this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
+        this.maxHeight = getRowHeight();
+    }
+
+    /**
+     * 鑾峰彇瀛楁娉ㄨВ淇℃伅
+     */
+    public List<Object[]> getFields()
+    {
+        List<Object[]> fields = new ArrayList<Object[]>();
         List<Field> tempFields = new ArrayList<>();
         tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
         tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
@@ -1173,7 +1173,12 @@
             // 鍗曟敞瑙�
             if (field.isAnnotationPresent(Excel.class))
             {
-                putToField(field, field.getAnnotation(Excel.class));
+                Excel attr = field.getAnnotation(Excel.class);
+                if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
+                {
+                    field.setAccessible(true);
+                    fields.add(new Object[] { field, attr });
+                }
             }
 
             // 澶氭敞瑙�
@@ -1181,14 +1186,17 @@
             {
                 Excels attrs = field.getAnnotation(Excels.class);
                 Excel[] excels = attrs.value();
-                for (Excel excel : excels)
+                for (Excel attr : excels)
                 {
-                    putToField(field, excel);
+                    if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
+                    {
+                        field.setAccessible(true);
+                        fields.add(new Object[] { field, attr });
+                    }
                 }
             }
         }
-        this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
-        this.maxHeight = getRowHeight();
+        return fields;
     }
 
     /**
@@ -1203,17 +1211,6 @@
             maxHeight = maxHeight > excel.height() ? maxHeight : excel.height();
         }
         return (short) (maxHeight * 20);
-    }
-
-    /**
-     * 鏀惧埌瀛楁闆嗗悎涓�
-     */
-    private void putToField(Field field, Excel attr)
-    {
-        if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
-        {
-            this.fields.add(new Object[] { field, attr });
-        }
     }
 
     /**

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