poi的合并单元格和冻结行列

  1         //创建工作薄(excel)
  2         Workbook wb = new HSSFWorkbook();
  3         //创建sheet
  4         Sheet createSheet = wb.createSheet("sheet1");
  5 
  6         //设置标题字体
  7         Font fontTitle = wb.createFont();
  8         fontTitle.setFontHeightInPoints((short) 18); //字体大小
  9         fontTitle.setColor(HSSFColor.BLACK.index); //字体颜色
 10         fontTitle.setFontName("宋体"); //字体
 11         fontTitle.setBoldweight(Font.BOLDWEIGHT_BOLD); //粗体显示
 12         //font.setItalic(true); //是否使用斜体
 13         //font.setStrikeout(true); //是否使用划线
 14 
 15         //设置标题单元格类型
 16         CellStyle cellStyleTitle = wb.createCellStyle();
 17         cellStyleTitle.setFont(fontTitle);
 18         cellStyleTitle.setFillForegroundColor(IndexedColors.LIME.getIndex());
 19         cellStyleTitle.setFillPattern(CellStyle.SOLID_FOREGROUND);
 20         cellStyleTitle.setAlignment(CellStyle.ALIGN_CENTER); //水平布局:居中
 21         cellStyleTitle.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
 22         cellStyleTitle.setWrapText(true);//设置自动换行
 23         
 24         cellStyleTitle.setBorderBottom(CellStyle.BORDER_THIN); //下边框  
 25         cellStyleTitle.setBorderLeft(CellStyle.BORDER_THIN);//左边框   
 26         cellStyleTitle.setBorderTop(CellStyle.BORDER_THIN);//上边框    
 27         cellStyleTitle.setBorderRight(CellStyle.BORDER_THIN);//右边框   
 28         cellStyleTitle.setBottomBorderColor(IndexedColors.BLACK.getIndex());
 29         cellStyleTitle.setLeftBorderColor(IndexedColors.BLACK.getIndex());
 30         cellStyleTitle.setTopBorderColor(IndexedColors.BLACK.getIndex());
 31         cellStyleTitle.setRightBorderColor(IndexedColors.BLACK.getIndex());
 32 
 33         
 34         //创建合并单元格  ---begin
 35         CellRangeAddress region = new CellRangeAddress(0, 0, 1, 3);// 下标从0开始 起始行号,终止行号, 起始列号,终止列号
 36         CellRangeAddress region2 = new CellRangeAddress(1, 2, 0, 0);// 起始行号,终止行号, 起始列号,终止列号
 37         CellRangeAddress region3 = new CellRangeAddress(1, 1, 1, 3);// 起始行号,终止行号, 起始列号,终止列号
 38         //在sheet里增加合并单元格  
 39         createSheet.addMergedRegion(region);
 40         createSheet.addMergedRegion(region2);
 41         createSheet.addMergedRegion(region3);
 42         
 43         // -----------填充第一行数据-------------
 44         Row rowTitle = createSheet.createRow(0);
 45         Cell cellTitle = rowTitle.createCell(0);
 46         cellTitle.setCellStyle(cellStyleTitle);
 47         cellTitle.setCellValue("");// 设置标题内容
 48         Cell cellTitle1_1 = rowTitle.createCell(1);
 49         cellTitle1_1.setCellStyle(cellStyleTitle);
 50         cellTitle1_1.setCellValue(dateStr);// 设置标题内容
 51         // -----------填充第二行数据-------------
 52         Row rowTitle1 = createSheet.createRow(1);
 53         Cell cellTitle1 = rowTitle1.createCell(0);
 54         cellTitle1.setCellStyle(cellStyleTitle);
 55         cellTitle1.setCellValue("店名");//  设置内容
 56         Cell cellTitle11 = rowTitle1.createCell(1);
 57         cellTitle11.setCellStyle(cellStyleTitle);
 58         cellTitle11.setCellValue("王总");//
 59         Cell cellTitle111 = rowTitle1.createCell(2);
 60         cellTitle111.setCellStyle(cellStyleTitle);
 61         cellTitle111.setCellValue("");// 虽然这个单元格不可以不设置,但是要给它设置样式,所以也写了
 62         Cell cellTitle1111 = rowTitle1.createCell(3);
 63         cellTitle1111.setCellStyle(cellStyleTitle);
 64         cellTitle1111.setCellValue("");// 虽然这个单元格不可以不设置,但是要给它设置样式,所以也写了
 65         // -----------填充第三行数据-------------
 66         Row rowTitle2 = createSheet.createRow(2);
 67         Cell cellTitle2 = rowTitle2.createCell(1);
 68         cellTitle2.setCellStyle(cellStyleTitle);
 69         cellTitle2.setCellValue("装修费");//  设置内容
 70         Cell cellTitle22 = rowTitle2.createCell(2);
 71         cellTitle22.setCellStyle(cellStyleTitle);
 72         cellTitle22.setCellValue("加盟费");//  设置内容
 73         Cell cellTitle222 = rowTitle2.createCell(3);
 74         cellTitle222.setCellStyle(cellStyleTitle);
 75         cellTitle222.setCellValue("人员培训费");//  设置内容 
 76         // 合并单元格 ----end
 77         // 第四行数据留着下面写
 78 
 79         //设置表头字体
 80         Font fontHead = wb.createFont();
 81         fontHead.setFontHeightInPoints((short) 14); //字体大小
 82         fontHead.setColor(Font.COLOR_NORMAL); //字体颜色
 83         fontHead.setFontName("Microsoft Sans Serif"); //字体
 84         fontHead.setBoldweight(Font.BOLDWEIGHT_BOLD); //粗体显示
 85         //font.setItalic(true); //是否使用斜体
 86         //font.setStrikeout(true); //是否使用划线
 87 
 88         //设置表头单元格类型
 89         CellStyle cellStyleHead = wb.createCellStyle();
 90         cellStyleHead.setFont(fontHead);
 91         cellStyleHead.setAlignment(CellStyle.ALIGN_CENTER); //水平布局:居中
 92         cellStyleHead.setFillForegroundColor(IndexedColors.LIME.getIndex());
 93         cellStyleHead.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
 94         cellStyleHead.setWrapText(true);//设置自动换行
 95 
 96         cellStyleHead.setBorderBottom(CellStyle.BORDER_THIN); //下边框  
 97         cellStyleHead.setBorderLeft(CellStyle.BORDER_THIN);//左边框   
 98         cellStyleHead.setBorderTop(CellStyle.BORDER_THIN);//上边框    
 99         cellStyleHead.setBorderRight(CellStyle.BORDER_THIN);//右边框   
100         cellStyleHead.setBottomBorderColor(IndexedColors.BLACK.getIndex());
101         cellStyleHead.setLeftBorderColor(IndexedColors.BLACK.getIndex());
102         cellStyleHead.setTopBorderColor(IndexedColors.BLACK.getIndex());
103         cellStyleHead.setRightBorderColor(IndexedColors.BLACK.getIndex());
104 
105         //创建第一行,标题
106         Row row = createSheet.createRow(3);
107         String[] cellHead = {"", "","", ""};
108         // 设置列宽
109         double[] titleWidth = {10, 24, 24, 24};
110         for (int i = 0; i < cellHead.length; i++) {
111             Cell createCell = row.createCell(i);
112             createCell.setCellValue(cellHead[i]);
113             createCell.setCellStyle(cellStyleHead);
114         }
115         
116 
117         //设置内容字体
118         Font fontData = wb.createFont();
119         fontData.setFontHeightInPoints((short) 14); //字体大小
120         fontData.setColor(Font.COLOR_NORMAL); //字体颜色
121         fontData.setFontName("Microsoft Sans Serif"); //字体
122         //font.setBoldweight(Font.BOLDWEIGHT_BOLD); //粗体显示
123         //font.setItalic(true); //是否使用斜体
124         //font.setStrikeout(true); //是否使用划线
125 
126         //设置内容单元格类型
127         CellStyle cellStyleDataOdd = wb.createCellStyle();
128         cellStyleDataOdd.setFont(fontData);
129         cellStyleDataOdd.setFillPattern(CellStyle.SOLID_FOREGROUND);
130         cellStyleDataOdd.setAlignment(CellStyle.ALIGN_CENTER); //水平布局:居中
131         cellStyleDataOdd.setWrapText(true);
132 
133         cellStyleDataOdd.setBorderBottom(CellStyle.BORDER_THIN); //下边框
134         cellStyleDataOdd.setBorderLeft(CellStyle.BORDER_THIN);//左边框
135         cellStyleDataOdd.setBorderTop(CellStyle.BORDER_THIN);//上边框
136         cellStyleDataOdd.setBorderRight(CellStyle.BORDER_THIN);//右边框
137         cellStyleDataOdd.setBottomBorderColor(IndexedColors.BLACK.getIndex());
138         cellStyleDataOdd.setLeftBorderColor(IndexedColors.BLACK.getIndex());
139         cellStyleDataOdd.setTopBorderColor(IndexedColors.BLACK.getIndex());
140         cellStyleDataOdd.setRightBorderColor(IndexedColors.BLACK.getIndex());
141 
142         try {
143             int no = 1;
144             for (int i = 0; i < datas.length(); i++) {
145                 JSONObject dayData = datas.getJSONObject(i);
146                 String date = dayData.optString("date");
147                 JSONArray detail = dayData.getJSONArray("detail");
148                 
149                 for (int k = 0; k < detail.length(); k++) {
150                     JSONObject ss = detail.getJSONObject(k);
151                     
152                     row = createSheet.createRow(k + 4);
153                     int j = 0;
154                     // 店名
155                     Cell cell1 = row.createCell(j++);
156                     cell1.setCellValue(ss.optString("xxxxx"));
157                     cell1.setCellStyle(cellStyleDataOdd);
158                     // 装修费
159                     Cell cell2 = row.createCell(j++);
160                     cell2.setCellValue(ss.optString("xxxxx"));
161                     cell2.setCellStyle(cellStyleDataOdd);
162                     // 加盟费
163                     Cell cell7 = row.createCell(j++);
164                     cell7.setCellValue(ss.optString("xxxxxx"));
165                     cell7.setCellStyle(cellStyleDataOdd);
166                     // 人员培训费
167                     Cell cellH = row.createCell(j++);
168                     cellH.setCellValue(ss.optString("xxxxxx"));
169                     cellH.setCellStyle(cellStyleDataOdd);
170                 }
171             }
172                 
173         } catch (JSONException e) {
174             e.printStackTrace();
175         }
176         
177         // 设置列宽
178         for (int i = 0; i < titleWidth.length; i++) {
179              createSheet.setColumnWidth((short) i, (short) titleWidth[i] * 256);
180         }
181         
182         // 设置上面四行冻结
183         createSheet.createFreezePane( 0, 4, 1, 4); // 前两个参数是你要用来拆分的列数和行数。后两个参数是下面窗口的可见象限,其中第三个参数是右边区域可见的左边列数,第四个参数是下面区域可见的首行
184         
原文地址:https://www.cnblogs.com/shamo89/p/7722057.html