JAVA POI导出EXCEL报表的操作
一、工具类
/**
* EXCEL报表工具类.
*
* @author caoyb
* @version $Revision:$
*/
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();
}
}
}
二、创建EXCEL报表的客户端
/**
* 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LIST
List 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");
}
}