应付配置文件导入保存该文件

bms-back/bms-common/src/main/java/com/bms/common/utils/poi/ExcelGrid.java

@@ -33,16 +33,20 @@ public class ExcelGrid
     /** 合并区域左上角横向占几列，其余单元格为 0 */
     private final int[][] colSpan;
 
+    /** 纵向合并时，被盖住的格子指向左上角行；没有纵向合并是 -1 */
+    private final int[][] rowAnchor;
+
     private final int rows;
 
     private final int cols;
 
-    private ExcelGrid(String[][] text, Double[][] number, String[][] linkSheet, int[][] colSpan, int rows, int cols)
+    private ExcelGrid(String[][] text, Double[][] number, String[][] linkSheet, int[][] colSpan, int[][] rowAnchor, int rows, int cols)
     {
         this.text = text;
         this.number = number;
         this.linkSheet = linkSheet;
         this.colSpan = colSpan;
+        this.rowAnchor = rowAnchor;
         this.rows = rows;
         this.cols = cols;
     }
@@ -88,6 +92,14 @@ public class ExcelGrid
         Double[][] number = new Double[Math.max(rows, 0)][Math.max(cols, 0)];
         String[][] linkSheet = new String[Math.max(rows, 0)][Math.max(cols, 0)];
         int[][] colSpan = new int[Math.max(rows, 0)][Math.max(cols, 0)];
+        int[][] rowAnchor = new int[Math.max(rows, 0)][Math.max(cols, 0)];
+        for (int r = 0; r < rowAnchor.length; r++)
+        {
+            for (int c = 0; c < rowAnchor[r].length; c++)
+            {
+                rowAnchor[r][c] = -1;
+            }
+        }
         if (sheet != null && rows > 0 && cols > 0)
         {
             for (int r = 0; r < rows; r++)
@@ -115,9 +127,21 @@ public class ExcelGrid
                 {
                     colSpan[r0][c0] = width;
                 }
+                int bottom = Math.min(region.getLastRow(), rows - 1);
+                int right = Math.min(region.getLastColumn(), cols - 1);
+                if (bottom > r0)
+                {
+                    for (int r = r0 + 1; r <= bottom; r++)
+                    {
+                        for (int c = c0; c <= right; c++)
+                        {
+                            rowAnchor[r][c] = r0;
+                        }
+                    }
+                }
             }
         }
-        return new ExcelGrid(text, number, linkSheet, colSpan, rows, cols);
+        return new ExcelGrid(text, number, linkSheet, colSpan, rowAnchor, rows, cols);
     }
 
     public int rows()
@@ -139,6 +163,18 @@ public class ExcelGrid
         return text[row][col] == null ? "" : text[row][col];
     }
 
+    /** 本格有字就用本格。纵向合并盖住的空格，用合并区左上角的原文。 */
+    public String mergedText(int row, int col)
+    {
+        String own = text(row, col);
+        if (!own.isEmpty() || row < 0 || col < 0 || row >= rows || col >= cols)
+        {
+            return own;
+        }
+        int anchor = rowAnchor[row][col];
+        return anchor < 0 ? "" : text(anchor, col);
+    }
+
     public Double number(int row, int col)
     {
         if (row < 0 || col < 0 || row >= rows || col >= cols)