jg_使用easyexcel读取excel_20220619

依赖

 <!--easyexcel-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>easyexcel</artifactId>
            <version>2.2.6</version>
        </dependency>

实体类

import com.alibaba.excel.annotation.ExcelProperty;
import com.alibaba.excel.metadata.BaseRowModel;


/** * 表格实体 */
public class ExcelMode extends BaseRowModel {
    

    /** * 第一列的数据 */
    @ExcelProperty(index = 0)
    private String column1;
    /** * 第二列的数据 */
    @ExcelProperty(index = 1)
    private String column2;
    /** * 第六列的数据 */
    @ExcelProperty(index = 5)
    private String column6;

    public String getColumn6() {
    
        return column6;
    }

    public void setColumn6(String column6) {
    
        this.column6 = column6 +"日";
    }

    public void setColumn1(String column1) {
    
        this.column1 = column1;
    }

    public String getColumn1() {
    
        return column1;
    }

    public String getColumn2() {
    
        return column2;
    }

    public void setColumn2(String column2) {
    
        this.column2 = column2;
    }

    @Override
    public String toString() {
    
        return "ExcelMode{" +
                "column1='" + column1 + '\'' +
                ", column2='" + column2 + '\'' +
                '}';
    }
}

代码

import com.alibaba.excel.EasyExcelFactory;
import com.alibaba.excel.metadata.Sheet;
import com.dxy.demo_05_08.bean.easyExc.ExcelMode;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;


public class EasyRead {
    
    // 简单读取 (同步读取)
    public static void simpleRead() {
    
        // 读取 excel 表格的路径
        String readPath = "E:\\other\\ceshi.xlsx";

        try {
    
            // sheetNo --> 读取哪个 表单
            // headLineMun --> 从哪一行开始读取( 不包括定义的这一行，好比 headLineMun为2 ，那么取出来的数据是从 第三行的数据开始读取 )
            // clazz --> 将读取的数据，转化成对应的实体，须要 extends BaseRowModel
            Sheet sheet = new Sheet(1, 1, ExcelMode.class);

            // 这里 取出来的是 ExcelModel实体 的集合
            List<Object> readList = EasyExcelFactory.read(new FileInputStream(readPath), sheet);
            // 存 ExcelMode 实体的 集合
            List<ExcelMode> list = new ArrayList<ExcelMode>();
            for (Object obj : readList) {
    
                list.add((ExcelMode) obj);
            }

        } catch (FileNotFoundException e) {
    
            e.printStackTrace();
        }

    }

    public static void main(String[] args) {
    
        simpleRead();
    }
}

参考文章

http://www.javashuo.com/article/p-bpwagdlf-nk.html