POI畫Excel表格

/**建立HSSFWorkbook對象(excel的文檔對象)*/
HSSFWorkbook wkb = new HSSFWorkbook();


//用於設置單元格的顯示樣式
HSSFCellStyle cellstyle = (HSSFCellStyle) wkb.createCellStyle();
cellstyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 設置居中
HSSFFont bigTitleHeaderFont = (HSSFFont) wkb.createFont();
bigTitleHeaderFont.setFontHeightInPoints((short) 16);    //設置字體大小    
bigTitleHeaderFont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);// 字體加粗
cellstyle.setFont(bigTitleHeaderFont);

HSSFCellStyle styleOne = wkb.createCellStyle();
HSSFFont fontOne = wkb.createFont();
fontOne.setColor(HSSFColor.GREEN.index);//綠色
styleOne.setFont(fontOne);

比較全面的POI Excel導出樣式設置 //創建新的sheet對象(excel的表單)  建立底部菜單
HSSFSheet sheet = wkb.createSheet();
sheet.setColumnWidth(1, 30 * 256); //設置第二列的寬度
wkb.setSheetName(0, "XXXXX ");

/**
new CellRangeAddress(a,b,c,d)
參數1:起始行 參數2:終止行 參數3:起始列 參數4:終止列
*/
sheet.addMergedRegion(new CellRangeAddress(0,1,0,18));//從第1行到第二行結束,從第1列開始到19列結束(合併單元格,下標從0開始)
HSSFRow row0 = sheet.createRow(0);  //在sheet裏建立第一行(下標從0開始)
HSSFCell cell2_0 = row0.createCell(0);
cell2_0.setCellValue("XXXX");  //設置單元格內容
cell2_0.setCellStyle(cellstyle);  //賦予樣式
/*
row0.createCell(0).setCellStyle(cellstyle);
連着寫的話設置的樣式無效
**/


........

/**a,b,c,d泛指數字*/
sheet1.addMergedRegion(new CellRangeAddress(a,b,c,d));
HSSFRow row10 = sheet1.createRow(a); //在sheet裏建立第(a+1)行
HSSFCell cell00_01 = row10.createCell(c);
cell00_01.setCellValue("姓名: ");
cell00_01.setCellStyle(oneCellstyle);
sheet1.addMergedRegion(new CellRangeAddress(2,4,2,5));
HSSFCell cell01_02 = row10.createCell(2);
cell01_02.setCellValue("");
cell01_02.setCellStyle(cellstyle);


......


//輸出Excel文件
 try {
     OutputStream output = response.getOutputStream();
     response.reset();

     String filename = "XXXX";
     response.setContentType("application/x-download");//處理亂碼問題
     response.setCharacterEncoding("utf-8");
     response.setHeader("Content-Disposition", "attachment;filename=" + new String(filename.getBytes("utf-8") , "iso8859-1") + ".xls");

     wkb.write(output);
     output.close();
} catch (Exception e) {
}
 
 
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