Apache POI autoSizeColumn Resizes Incorrectly

Question

I\'m using Apache POI in java to create an excel file. I fill in the data then try to autosize each column, however the sizes are always wrong (and I think consiste

Answer 1

The following works for me.

I set the font and use autoSizeColumn() after enter all the data.

    public static XSSFWorkbook createExcel(List resList) {
    XSSFWorkbook hwb = new XSSFWorkbook();
    String[] title = { "1", "2", "3", "4"};

    XSSFSheet sheet = hwb.createSheet("dataStats");

    XSSFRow firstrow = sheet.createRow(0);
    for (int i = 0; i < title.length; i++) {
        XSSFCell xh = firstrow.createCell(i);
        xh.setCellValue(title[i]);
    }

    if (resList == null || resList.size() == 0) {
        return hwb;
    }

    for (int i = 0; i < resList.size(); i++) {
        ChannelVodFileInfoList doTemp = resList.get(i);
        XSSFRow row = sheet.createRow(i + 1);
        for (int j = 0; j < title.length; j++) {
            XSSFCell cell = row.createCell(j);
            Font font111 = hwb.createFont();
            font111.setBoldweight(Font.BOLDWEIGHT_NORMAL); 
            XSSFCellStyle cellStyle111 = hwb.createCellStyle();
            cellStyle111.setFont(font111);
            cell.setCellStyle(cellStyle111);

            if (j == 0) { 
                cell.setCellValue(dateStr);
            } else if (j == 1) {  
                cell.setCellValue(doTemp.getChannelName()); 
            }else if (j == 2) {  
                cell.setCellValue(doTemp.getBitrate()); 
            }else if (j == 3) {  
                cell.setCellValue(doTemp.getWh()); 
            }
         }

        for (int j = 0; j < title.length; j++) {
           sheet.autoSizeColumn(j);
        }

    return hwb;
}