导出Excel二级表头添加

gic-enterprise-download/src/main/java/com/gic/download/qo/DownloadExcelQO.java

 package com.gic.download.qo;
 
 import java.io.Serializable;
+import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 /**
  * 下载导出文件参数列表类
@@ -50,6 +52,21 @@ public class DownloadExcelQO implements Serializable{
      */
     private List<Integer> columnWidth = null;
 
+    /**
+     * 二级表头标题中文，父子关联
+     */
+    private LinkedHashMap<String, List<String>> headerMap;
+
+    /**
+     * 二级表头属性名称
+     */
+    private LinkedHashMap<String, List<String>> propertyNameMap;
+
+    /**
+     * 二级表头需要加密的属性名称
+     */
+    private Map<String, List<String>> needEncryptFieldMap;
+
     public String getTempPath() {
         return tempPath;
     }
@@ -130,4 +147,31 @@ public class DownloadExcelQO implements Serializable{
         this.columnWidth = columnWidth;
         return this;
     }
+
+    public LinkedHashMap<String, List<String>> getHeaderMap() {
+        return headerMap;
+    }
+
+    public DownloadExcelQO setHeaderMap(LinkedHashMap<String, List<String>> headerMap) {
+        this.headerMap = headerMap;
+        return this;
+    }
+
+    public LinkedHashMap<String, List<String>> getPropertyNameMap() {
+        return propertyNameMap;
+    }
+
+    public DownloadExcelQO setPropertyNameMap(LinkedHashMap<String, List<String>> propertyNameMap) {
+        this.propertyNameMap = propertyNameMap;
+        return this;
+    }
+
+    public Map<String, List<String>> getNeedEncryptFieldMap() {
+        return needEncryptFieldMap;
+    }
+
+    public DownloadExcelQO setNeedEncryptFieldMap(Map<String, List<String>> needEncryptFieldMap) {
+        this.needEncryptFieldMap = needEncryptFieldMap;
+        return this;
+    }
 }

gic-enterprise-download/src/main/java/com/gic/download/utils/ExcelUtils.java

@@ -144,6 +144,7 @@ public class ExcelUtils {
         return true;
     }
 
+    @Deprecated
     public static boolean setHeaderTitle(CellStyle cellStyle, Sheet sheet, List<Integer> columnWidth, List<HeaderQO> headerList, List<?> content) {
         if (sheet == null) {
             logger.info("sheet is null");
@@ -193,6 +194,57 @@ public class ExcelUtils {
         return true;
     }
 
+
+    public static boolean doubleHeaderTitle(CellStyle cellStyle, Sheet sheet, List<Integer> columnWidth, LinkedHashMap<String, List<String>> headerMap, List<?> content) {
+        if (sheet == null) {
+            logger.info("sheet is null");
+            return false;
+        }
+        // 设置sheet格式
+        setSheetStyle(sheet, columnWidth);
+
+        Row row1 = sheet.createRow(0);
+        Row row2 = sheet.createRow(1);
+
+        int n = 0;
+        for (Map.Entry<String, List<String>> entry : headerMap.entrySet()) {
+            Cell cell1 = row1.createCell(n);
+            List<String> sonHeader = entry.getValue();
+            String value = entry.getKey();
+            cell1.setCellValue(value);
+            cell1.setCellStyle(cellStyle);
+            //2层标题
+            if (CollectionUtils.isEmpty(sonHeader)) {
+                //单标题
+                Cell cell2 = row2.createCell(n);
+                cell2.setCellStyle(cellStyle);
+                sheet.addMergedRegion(new CellRangeAddress(0, 1, n, n));
+                n++;
+                continue;
+            }
+            //创建第一行大标题
+            sheet.addMergedRegion(new CellRangeAddress(0, 0, n, (n + sonHeader.size() - 1)));
+            //赋值
+            for (int j = 0, sonLength = sonHeader.size(); j < sonLength; j ++) {
+                Cell cell2 = row2.createCell(n++);
+                cell2.setCellStyle(cellStyle);
+                cell2.setCellValue(sonHeader.get(j));
+            }
+        }
+
+        // 如果内容为空 则退出
+        if (content == null || content.isEmpty()) {
+            logger.info("content is null,cannot write excel");
+            return true;
+        }
+        int indexRow = 2;
+        for (Object rowContent : content) {
+            Row row = sheet.createRow(indexRow++);
+            setRowInfo(row, rowContent);
+        }
+        return true;
+    }
+
     /**
      * 導出到excel
      *