java利用poi实现Excel考勤报表的输出
实现效果
- SXSSFWorkbook超大数据导出
- 标题、表头、内容有样式
- 可以多个sheet（满65535行数据换新的sheet）
- 一度为快
maven依赖
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.15</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.15</version>
</dependency>
<dependency>
<groupId>net.sourceforge.jexcelapi</groupId>
<artifactId>jxl</artifactId>
<version>2.6.10</version>
</dependency>
函数实现
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import java.io.*;
public class Testt {
public static void test(String toFilePath, int total_records) {
File file = new File(toFilePath);
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
}
String[] assetHeadTemp = {"姓名", "工号", "人员类型", "出勤天数", "休息天数", "2019-12-13"};
SXSSFWorkbook wb = new SXSSFWorkbook(1024);
Row row;
OutputStream os = null;
//样式
CellStyle titleStyle = createTitleCellStyle(wb);
CellStyle titleReportTimeCellStyle = createTitleReportTimeCellStyle(wb);
CellStyle headerStyle = createHeadCellStyle(wb);
CellStyle contentStyle = createContentCellStyle(wb);
try {
os = new FileOutputStream(file.getAbsolutePath());
} catch (FileNotFoundException e) {
e.printStackTrace();
}
Sheet sheet;
//确认sheet的个数--65534+表头=65535；一般的表格每个sheet支持65535row数据
int temp_sheet_count = total_records / 65534;
int sheet_count = (total_records % 65534) == 0 ? temp_sheet_count : temp_sheet_count + 1;
for (int j = 0; j < sheet_count; j++) {
sheet = wb.createSheet("汇总分页" + (j + 1));
sheet.setDefaultRowHeight((short) 500);
//创建标题
row = sheet.createRow(0);
row.setHeight((short) 800);
Cell title_cell = row.createCell(0);
title_cell.setCellValue("汇总报表 日期 2019-12-12 00:00:00 - 2019-12-13 00:00:00");
title_cell.setCellStyle(titleStyle);
sheet.addMergedRegion(new CellRangeAddress(row.getRowNum(), row.getRowNum(), 0, assetHeadTemp.length - 1));
//创建生成时间
row = sheet.createRow(1);
row.setHeight((short) 600);
Cell create_report_cell = row.createCell(0);
create_report_cell.setCellValue("报表生成时间 2019-12-13 00:00:00");
create_report_cell.setCellStyle(titleReportTimeCellStyle);
sheet.addMergedRegion(new CellRangeAddress(row.getRowNum(), row.getRowNum(), 0, assetHeadTemp.length - 1));
// 输出表头
row = sheet.createRow(2);
for (int i = 0; i < assetHeadTemp.length; i++) {
if (i > 4) {
sheet.setColumnWidth(i, 9532);
} else {
sheet.setColumnWidth(i, 4766);
}
Cell cell = row.createCell(i);
cell.setCellStyle(headerStyle);
cell.setCellValue(assetHeadTemp[i]);
}
// 输出内容
int rowIndex = 3;
//创建每个sheet的row数据
int row_nums = 65534;
if (j == sheet_count - 1) {
row_nums = total_records % 65534;
}
for (int n = 0; n < row_nums; n++) {
row = sheet.createRow(rowIndex++);
row.setHeight((short) 600);
Cell cell_0 = row.createCell(0);
cell_0.setCellStyle(contentStyle);
cell_0.setCellValue("0");
Cell cell_1 = row.createCell(1);
cell_1.setCellStyle(contentStyle);
cell_1.setCellValue("1");
Cell cell_2 = row.createCell(2);
cell_2.setCellStyle(contentStyle);
cell_2.setCellValue("2");
Cell cell_3 = row.createCell(3);
cell_3.setCellStyle(contentStyle);
cell_3.setCellValue("3");
Cell cell_4 = row.createCell(4);
cell_4.setCellStyle(contentStyle);
cell_4.setCellValue("4");
Cell cell_5 = row.createCell(5);
cell_5.setCellStyle(contentStyle);
cell_5.setCellValue("5");
}
}
try {
wb.write(os);
} catch (IOException e) {
e.printStackTrace();
} finally {
if (os != null) {
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (wb != null) {
try {
wb.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
private static CellStyle createTitleCellStyle(SXSSFWorkbook wb) {
CellStyle cellStyle = wb.createCellStyle();
cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直对齐
cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
cellStyle.setFillForegroundColor(IndexedColors.LIGHT_GREEN.getIndex());//背景颜色
Font headerFont1 = wb.createFont(); // 创建字体样式
headerFont1.setBold(true); //字体加粗
headerFont1.setColor(IndexedColors.GREEN.getIndex());
headerFont1.setFontName("黑体"); // 设置字体类型
headerFont1.setFontHeightInPoints((short) 12); // 设置字体大小
cellStyle.setFont(headerFont1); // 为标题样式设置字体样式
return cellStyle;
}
private static CellStyle createTitleReportTimeCellStyle(SXSSFWorkbook wb) {
CellStyle cellStyle = wb.createCellStyle();
cellStyle.setAlignment(HorizontalAlignment.CENTER);//水平居中
cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//垂直对齐
cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
cellStyle.setFillForegroundColor(IndexedColors.LIGHT_GREEN.getIndex());//背景颜色
Font headerFont1 = wb.createFont(); // 创建字体样式
headerFont1.setBold(true); //字体加粗
headerFont1.setColor(IndexedColors.GREEN.getIndex());
headerFont1.setFontName("黑体"); // 设置字体类型
headerFont1.setFontHeightInPoints((short) 10); // 设置字体大小
cellStyle.setFont(headerFont1); // 为标题样式设置字体样式
return cellStyle;
}
private static CellStyle createHeadCellStyle(SXSSFWorkbook wb) {
CellStyle cellStyle = wb.createCellStyle();
cellStyle.setWrapText(true);// 设置自动换行
cellStyle.setFillForegroundColor(IndexedColors.LIGHT_YELLOW.getIndex());//背景颜色
cellStyle.setAlignment(HorizontalAlignment.CENTER); //水平居中
cellStyle.setVerticalAlignment(VerticalAlignment.CENTER); //垂直对齐
cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
cellStyle.setBottomBorderColor(IndexedColors.BLACK.index);
cellStyle.setBorderBottom(BorderStyle.THIN); //下边框
cellStyle.setBorderLeft(BorderStyle.THIN); //左边框
cellStyle.setBorderRight(BorderStyle.THIN); //右边框
cellStyle.setBorderTop(BorderStyle.THIN); //上边框
Font headerFont = wb.createFont(); // 创建字体样式
headerFont.setBold(true); //字体加粗
headerFont.setFontName("黑体"); // 设置字体类型
headerFont.setFontHeightInPoints((short) 12); // 设置字体大小
cellStyle.setFont(headerFont); // 为标题样式设置字体样式
return cellStyle;
}
private static CellStyle createContentCellStyle(SXSSFWorkbook wb) {
CellStyle cellStyle = wb.createCellStyle();
cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);// 垂直居中
cellStyle.setAlignment(HorizontalAlignment.CENTER);// 水平居中
cellStyle.setWrapText(true);// 设置自动换行
Font font = wb.createFont();
font.setFontHeightInPoints((short) 12);
cellStyle.setFont(font);
return cellStyle;
}
public static void main(String[] args) {
test("D:\\test.xlsx", 10);
}
}
