一、依赖引入
<dependency> <groupId>net.sourceforge.jexcelapi</groupId> <artifactId>jxl</artifactId> <version>2.6.12</version> </dependency>
二、表格操作
1、读取xls文件
测试文件为:

代码:
public void test() throws IOException, BiffException {
// 1、获取文件,创建workbook
File file = new File("D:/test/自动化监测数据上传模板20210525.xls");
Workbook workbook = Workbook.getWorkbook(file);
// 2.获取第一个工作表
Sheet sheet = workbook.getSheet(0);
// 3.获取表中数据
Range[] rangecell = sheet.getMergedCells();
System.out.println("行:" + sheet.getRows());
System.out.println("列:" + sheet.getColumns());
for (int i = 0; i < sheet.getRows(); i++) {
for (int j = 0; j < sheet.getColumns(); j++) {
Cell cell = sheet.getCell(j, i);
String contents = cell.getContents();
System.out.print(contents + " ");
}
System.out.println();
}
workbook.close();
}
输出结果(注意合并单元格处,需要特殊处理):

改造代码如下:
public void test() throws IOException, BiffException {
// 1、获取文件,创建workbook
File file = new File("D:/test/自动化监测数据上传模板20210525.xls");
Workbook workbook = Workbook.getWorkbook(file);
// 2.获取第一个工作表
Sheet sheet = workbook.getSheet(0);
// 3.获取表中数据
// 返回合并单元格数据
Range[] rangecell = sheet.getMergedCells();
System.out.println("行:" + sheet.getRows());
System.out.println("列:" + sheet.getColumns());
for (int i = 0; i < sheet.getRows(); i++) {
for (int j = 0; j < sheet.getColumns(); j++) {
Cell cell = sheet.getCell(j, i);
String contents = cell.getContents();
// 判断当前单元格,是否为合并单元格
for (Range r : rangecell) {
if (i > r.getTopLeft().getRow() &&
i <= r.getBottomRight().getRow() &&
j >= r.getTopLeft().getColumn() &&
j <= r.getBottomRight().getColumn()) {
contents = sheet.getCell(r.getTopLeft().getColumn(), r.getTopLeft().getRow()).getContents();
}
}
System.out.print(contents + " ");
}
System.out.println();
}
workbook.close();
}
结果:

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