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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