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"); 

} 
} 

 

 

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