easyexcel导入指定excel

以下是使用EasyExcel导入指定Excel的示例代码：

import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import com.alibaba.excel.metadata.Sheet;
import com.alibaba.excel.read.builder.ExcelReaderBuilder;
import com.alibaba.excel.read.listener.ReadListener;
import com.alibaba.excel.read.metadata.ReadSheet;
import com.alibaba.excel.read.metadata.holder.ReadWorkbookHolder;
import com.alibaba.excel.read.metadata.holder.ReadSheetHolder;
import com.alibaba.excel.read.metadata.holder.ReadRowHolder;
import com.alibaba.excel.read.metadata.holder.ReadCellHolder;
import com.alibaba.excel.read.metadata.holder.xls.XlsReadWorkbookHolder;
import com.alibaba.excel.read.metadata.holder.xlsx.XlsxReadWorkbookHolder;
import com.alibaba.excel.read.metadata.property.ExcelReadHeadProperty;
import com.alibaba.excel.read.metadata.property.ExcelReadSheetProperty;
import com.alibaba.excel.read.metadata.property.ExcelReadTable;
import com.alibaba.excel.read.metadata.property.ExcelReadWorkbookProperty;
import com.alibaba.excel.read.metadata.property.ReadBasicParameter;
import com.alibaba.excel.read.metadata.property.ReadWorkbookParameter;
import com.alibaba.excel.read.metadata.property.XlsReadWorkbookProperties;
import com.alibaba.excel.read.metadata.property.XlsxReadWorkbookProperties;
import com.alibaba.excel.read.metadata.holder.xls.XlsReadSheetHolder;
import com.alibaba.excel.read.metadata.holder.xlsx.XlsxReadSheetHolder;
import com.alibaba.excel.read.metadata.holder.xls.XlsReadRowHolder;
import com.alibaba.excel.read.metadata.holder.xlsx.XlsxReadRowHolder;
import com.alibaba.excel.read.metadata.holder.xls.XlsReadCellHolder;
import com.alibaba.excel.read.metadata.holder.xlsx.XlsxReadCellHolder;

public class ExcelReaderDemo {

    public static void main(String[] args) {
        String fileName = "path/to/excel/file.xlsx";
        ReadListener<Object> listener = new AnalysisEventListener<Object>() {
            @Override
            public void invoke(Object data, AnalysisContext context) {
                // 处理读取到的数据
            }

            @Override
            public void doAfterAllAnalysed(AnalysisContext context) {
                // 读取完成后的操作
            }
        };
        ExcelReaderBuilder builder = EasyExcel.read(fileName, listener);
        ReadWorkbookParameter readWorkbookParameter = new ReadWorkbookParameter();
        readWorkbookParameter.setCustomReadTable(new ExcelReadTable());
        ReadSheet readSheet = new ReadSheet();
        readSheet.setSheetNo(0);
        readSheet.setHeadRowNumber(1);
        readSheet.setClazz(Object.class);
        builder.read(readSheet);
        builder.doRead();
    }
}

在上面的示例代码中，我们使用EasyExcel的`ExcelReaderBuilder`类来构建一个Excel读取器。我们指定了要读取的Excel文件的路径和一个`ReadListener`实例，该实例用于处理读取到的数据。我们还指定了要读取的工作表的编号、标题行号和数据类型。最后，我们调用`doRead`方法来开始读取Excel文件。