使用poi导出excel

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import java.util.ArrayList;import java.util.List;import org.apache.poi.hssf.usermodel.HSSFCell;import org.apache.poi.hssf.usermodel.HSSFCellStyle;import org.apache.poi.hssf.usermodel.HSSFFont;import org.apache.poi.hssf.usermodel.HSSFRichTextString;import org.apache.poi.hssf.usermodel.HSSFRow;import org.apache.poi.hssf.usermodel.HSSFSheet;import org.apache.poi.hssf.usermodel.HSSFWorkbook;import org.apache.poi.hssf.util.Region;/** * 拒绝件报表生成类. *  * @author caoyb * @version $Revision:$ */public class ComplexExportExcelClient {private static HSSFWorkbook wb = new HSSFWorkbook();private static HSSFSheet sheet = wb.createSheet();public static void main(String[] args) {ExportExcel exportExcel = new ExportExcel(wb, sheet);// 创建列标头LISTList fialList = new ArrayList();fialList.add("申请人未提供任何联系方式");fialList.add("无工作单位信息且未提供收入来源信息");fialList.add("有工作单位但未提供单位地址或电话");fialList.add("家庭地址缺失");fialList.add("客户身份证明资料缺");fialList.add("签名缺失或签名不符合要求");fialList.add("其它");List errorList = new ArrayList();errorList.add("客户主动取消");errorList.add("个人征信不良");errorList.add("欺诈申请");errorList.add("申请人基本条件不符");errorList.add("申请材料不合规");errorList.add("无法正常完成征信");errorList.add("重复申请");errorList.add("其他");// 计算该报表的列数int number = 2 + fialList.size() * 2 + errorList.size() * 2;// 给工作表列定义列宽(实际应用自己更改列数)for (int i = 0; i < number; i++) {sheet.setColumnWidth(i, 3000);}// 创建单元格样式HSSFCellStyle cellStyle = wb.createCellStyle();// 指定单元格居中对齐cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 指定单元格垂直居中对齐cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定当单元格内容显示不下时自动换行cellStyle.setWrapText(true);// 设置单元格字体HSSFFont font = wb.createFont();font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);font.setFontName("宋体");font.setFontHeight((short) 200);cellStyle.setFont(font);// 创建报表头部exportExcel.createNormalHead("南京地区申请资料拒件分析统计", number);// 设置第二行String[] params = new String[] { "    年  月  日", "  年  月  日" };exportExcel.createNormalTwoRow(params, number);// 设置列头HSSFRow row2 = sheet.createRow(2);HSSFCell cell0 = row2.createCell(0);cell0.setCellStyle(cellStyle);cell0.setCellValue(new HSSFRichTextString("机构代码"));HSSFCell cell1 = row2.createCell(1);cell1.setCellStyle(cellStyle);cell1.setCellValue(new HSSFRichTextString("支行名称"));HSSFCell cell2 = row2.createCell(2);cell2.setCellStyle(cellStyle);cell2.setCellValue(new HSSFRichTextString("无效件"));HSSFCell cell3 = row2.createCell(2 * fialList.size() + 2);cell3.setCellStyle(cellStyle);cell3.setCellValue(new HSSFRichTextString("拒绝件"));HSSFRow row3 = sheet.createRow(3);// 设置行高row3.setHeight((short) 800);HSSFCell row3Cell = null;int m = 0;int n = 0;// 创建不同的LIST的列标题for (int i = 2; i < number; i = i + 2) {if (i < 2 * fialList.size() + 2) {row3Cell = row3.createCell(i);row3Cell.setCellStyle(cellStyle);row3Cell.setCellValue(new HSSFRichTextString(fialList.get(m).toString()));m++;} else {row3Cell = row3.createCell(i);row3Cell.setCellStyle(cellStyle);row3Cell.setCellValue(new HSSFRichTextString(errorList.get(n).toString()));n++;}}// 创建最后一列的合计列row3Cell = row3.createCell(number);row3Cell.setCellStyle(cellStyle);row3Cell.setCellValue(new HSSFRichTextString("合计"));// 合并单元格HSSFRow row4 = sheet.createRow(4);// 合并第三行到第五行的第一列sheet.addMergedRegion(new Region(2, (short) 0, 4, (short) 0));// 合并第三行到第五行的第二列sheet.addMergedRegion(new Region(2, (short) 1, 4, (short) 1));// 合并第三行的第三列到第AA指定的列int aa = 2 * fialList.size() + 1;sheet.addMergedRegion(new Region(2, (short) 2, 2, (short) aa));int start = aa + 1;sheet.addMergedRegion(new Region(2, (short) start, 2,(short) (number - 1)));// 循环合并第四行的行,并且是每2列合并成一列for (int i = 2; i < number; i = i + 2) {sheet.addMergedRegion(new Region(3, (short) i, 3, (short) (i + 1)));}// 根据列数奇偶数的不同创建不同的列标题for (int i = 2; i < number; i++) {if (i < 2 * fialList.size() + 2) {if (i % 2 == 0) {HSSFCell cell = row4.createCell(i);cell.setCellStyle(cellStyle);cell.setCellValue(new HSSFRichTextString("无效量"));} else {HSSFCell cell = row4.createCell(i);cell.setCellStyle(cellStyle);cell.setCellValue(new HSSFRichTextString("占比"));}} else {if (i % 2 == 0) {HSSFCell cell = row4.createCell(i);cell.setCellStyle(cellStyle);cell.setCellValue(new HSSFRichTextString("拒绝量"));} else {HSSFCell cell = row4.createCell(i);cell.setCellStyle(cellStyle);cell.setCellValue(new HSSFRichTextString("占比"));}}}// 循环创建中间的单元格的各项的值for (int i = 5; i < number; i++) {HSSFRow row = sheet.createRow((short) i);for (int j = 0; j <= number; j++) {exportExcel.cteateCell(wb, row, (short) j,HSSFCellStyle.ALIGN_CENTER_SELECTION, String.valueOf(j));}}// 创建最后一行的合计行String[] cellValue = new String[number - 1];for (int i = 0; i < number - 1; i++) {cellValue[i] = String.valueOf(i);}exportExcel.createLastSumRow(1, cellValue);exportExcel.outputExcel("c:\\拒绝件统计.xls");}}
import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.util.ArrayList;import java.util.List;import org.apache.poi.hssf.usermodel.HSSFCell;import org.apache.poi.hssf.usermodel.HSSFCellStyle;import org.apache.poi.hssf.usermodel.HSSFFont;import org.apache.poi.hssf.usermodel.HSSFRichTextString;import org.apache.poi.hssf.usermodel.HSSFRow;import org.apache.poi.hssf.usermodel.HSSFSheet;import org.apache.poi.hssf.usermodel.HSSFWorkbook;import org.apache.poi.hssf.util.HSSFColor;import org.apache.poi.hssf.util.Region;public class ExportExcel {private HSSFWorkbook wb = null;private HSSFSheet sheet = null;/** * @param wb * @param sheet */public ExportExcel(HSSFWorkbook wb, HSSFSheet sheet) {super();this.wb = wb;this.sheet = sheet;}/** * @return the sheet */public HSSFSheet getSheet() {return sheet;}/** * @param sheet *            the sheet to set */public void setSheet(HSSFSheet sheet) {this.sheet = sheet;}/** * @return the wb */public HSSFWorkbook getWb() {return wb;}/** * @param wb *            the wb to set */public void setWb(HSSFWorkbook wb) {this.wb = wb;}/** * 创建通用EXCEL头部 *  * @param headString *            头部显示的字符 * @param colSum *            该报表的列数 */public void createNormalHead(String headString, int colSum) {HSSFRow row = sheet.createRow(0);// 设置第一行HSSFCell cell = row.createCell(0);row.setHeight((short) 400);// 定义单元格为字符串类型cell.setCellType(HSSFCell.ENCODING_UTF_16);cell.setCellValue(new HSSFRichTextString("南京城区各网点进件统计报表"));// 指定合并区域sheet.addMergedRegion(new Region(0, (short) 0, 0, (short) colSum));HSSFCellStyle cellStyle = wb.createCellStyle();cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐cellStyle.setWrapText(true);// 指定单元格自动换行// 设置单元格字体HSSFFont font = wb.createFont();font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);font.setFontName("宋体");font.setFontHeight((short) 300);cellStyle.setFont(font);cell.setCellStyle(cellStyle);}/** * 创建通用报表第二行 *  * @param params *            统计条件数组 * @param colSum *            需要合并到的列索引 */public void createNormalTwoRow(String[] params, int colSum) {HSSFRow row1 = sheet.createRow(1);row1.setHeight((short) 300);HSSFCell cell2 = row1.createCell(0);cell2.setCellType(HSSFCell.ENCODING_UTF_16);cell2.setCellValue(new HSSFRichTextString("统计时间:" + params[0] + "至"+ params[1]));// 指定合并区域sheet.addMergedRegion(new Region(1, (short) 0, 1, (short) colSum));HSSFCellStyle cellStyle = wb.createCellStyle();cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐cellStyle.setWrapText(true);// 指定单元格自动换行// 设置单元格字体HSSFFont font = wb.createFont();font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);font.setFontName("宋体");font.setFontHeight((short) 250);cellStyle.setFont(font);cell2.setCellStyle(cellStyle);}/** * 设置报表标题 *  * @param columHeader *            标题字符串数组 */public void createColumHeader(String[] columHeader) {// 设置列头HSSFRow row2 = sheet.createRow(2);// 指定行高row2.setHeight((short) 600);HSSFCellStyle cellStyle = wb.createCellStyle();cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐cellStyle.setWrapText(true);// 指定单元格自动换行// 单元格字体HSSFFont font = wb.createFont();font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);font.setFontName("宋体");font.setFontHeight((short) 250);cellStyle.setFont(font);/* * cellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); // 设置单无格的边框为粗体 * cellStyle.setBottomBorderColor(HSSFColor.BLACK.index); // 设置单元格的边框颜色. * cellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN); * cellStyle.setLeftBorderColor(HSSFColor.BLACK.index); * cellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN); * cellStyle.setRightBorderColor(HSSFColor.BLACK.index); * cellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN); * cellStyle.setTopBorderColor(HSSFColor.BLACK.index); */// 设置单元格背景色cellStyle.setFillForegroundColor(HSSFColor.GREY_25_PERCENT.index);cellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);HSSFCell cell3 = null;for (int i = 0; i < columHeader.length; i++) {cell3 = row2.createCell(i);cell3.setCellType(HSSFCell.ENCODING_UTF_16);cell3.setCellStyle(cellStyle);cell3.setCellValue(new HSSFRichTextString(columHeader[i]));}}/** * 创建内容单元格 *  * @param wb *            HSSFWorkbook * @param row *            HSSFRow * @param col *            short型的列索引 * @param align *            对齐方式 * @param val *            列值 */public void cteateCell(HSSFWorkbook wb, HSSFRow row, int col, short align,String val) {HSSFCell cell = row.createCell(col);cell.setCellType(HSSFCell.ENCODING_UTF_16);cell.setCellValue(new HSSFRichTextString(val));HSSFCellStyle cellstyle = wb.createCellStyle();cellstyle.setAlignment(align);cell.setCellStyle(cellstyle);}/** * 创建合计行 *  * @param colSum *            需要合并到的列索引 * @param cellValue */public void createLastSumRow(int colSum, String[] cellValue) {HSSFCellStyle cellStyle = wb.createCellStyle();cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐cellStyle.setWrapText(true);// 指定单元格自动换行// 单元格字体HSSFFont font = wb.createFont();font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);font.setFontName("宋体");font.setFontHeight((short) 250);cellStyle.setFont(font);HSSFRow lastRow = sheet.createRow((short) (sheet.getLastRowNum() + 1));HSSFCell sumCell = lastRow.createCell(0);sumCell.setCellValue(new HSSFRichTextString("合计"));sumCell.setCellStyle(cellStyle);sheet.addMergedRegion(new Region(sheet.getLastRowNum(), (short) 0,sheet.getLastRowNum(), (short) colSum));// 指定合并区域for (int i = 2; i < (cellValue.length + 2); i++) {sumCell = lastRow.createCell(i);sumCell.setCellStyle(cellStyle);sumCell.setCellValue(new HSSFRichTextString(cellValue[i - 2]));}}/** * 输入EXCEL文件 *  * @param fileName *            文件名 */public void outputExcel(String fileName) {FileOutputStream fos = null;try {fos = new FileOutputStream(new File(fileName));wb.write(fos);fos.close();} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}}