• Java解析excel文档并以List<T>输出


    /********************************************************工具类start*****************************************************************/

    package cn.cnnho.utils;

    import org.apache.poi.hssf.usermodel.HSSFWorkbook;
    import org.apache.poi.ss.usermodel.Cell;
    import org.apache.poi.ss.usermodel.Row;
    import org.apache.poi.ss.usermodel.Sheet;
    import org.apache.poi.ss.usermodel.Workbook;
    import org.apache.poi.xssf.usermodel.XSSFWorkbook;

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

    /**
    * @功能描述: excel文件解析工具

    */
    public class BatchUploadUtlis {

    /**
    * @功能描述:将excel解析为list结合返回
    * @参数说明:@param excelPath excel路径
    * @参数说明:@return
    * @作者: Jgx
    * @创建时间:2019年4月26日 下午3:06:54
    */
    @SuppressWarnings("resource")
    public List<BatchUploadInfo> mentondExecute(String excelPath) {
    BatchUploadInfo buInfo =null;
    List<BatchUploadInfo> buList = new ArrayList<BatchUploadInfo>();
    try {
    File excel = new File(excelPath);

    //判断文件是否存在
    if (excel.isFile() && excel.exists()) {

    //转移.特殊字符
    String[] split = excel.getName().split("\.");
    Workbook wb;

    //根据文件后缀(xls/xlsx)进行判断
    if ( "xls".equals(split[1])){
    FileInputStream fis = new FileInputStream(excel); //文件流对象
    wb = new HSSFWorkbook(fis);
    }else if ("xlsx".equals(split[1])){
    wb = new XSSFWorkbook(excel);
    }else {
    System.out.println("文件类型错误!");
    return null;
    }

    /**
    * 开始解析
    */
    Sheet sheet = wb.getSheetAt(0);//读取sheet 0
    int firstRowIndex = sheet.getFirstRowNum()+1;//第一行是列名,所以不读
    int lastRowIndex = sheet.getLastRowNum();//总行数
    System.out.println("总行数: "+lastRowIndex);

    /* 遍历行*/
    for(int rIndex = firstRowIndex; rIndex <= lastRowIndex; rIndex++) {
    Row row = sheet.getRow(rIndex);
    if (row != null) {
    int firstCellIndex = row.getFirstCellNum();
    int lastCellIndex = row.getLastCellNum();

    buInfo = new BatchUploadInfo();

    /*遍历列*/
    for (int cIndex = firstCellIndex; cIndex < lastCellIndex; cIndex++) {
    Cell cell = row.getCell(cIndex);
    switch(cIndex){
    case 1:
    buInfo.setDepName(cell.toString());break;
    case 2:
    buInfo.setStorageLocation(cell.toString());break;
    case 3:
    buInfo.setContractName(cell.toString());break;
    case 4:
    buInfo.setContractNo(cell.toString());break;
    case 5:
    buInfo.setPartyA(cell.toString());break;
    case 6:
    buInfo.setPartyB(cell.toString());break;
    case 7:
    buInfo.setHeir(cell.toString());break;
    case 8:
    buInfo.setTheSignOne(cell.toString());break;
    case 9:
    buInfo.setTheSignDate(cell.toString());break;
    case 10:
    buInfo.setElectronicEdition(cell.toString());break;
    case 11:
    buInfo.setContent(cell.toString());break;
    case 12:
    buInfo.setStorageType(cell.toString());break;
    case 13:
    buInfo.setIsSame(cell.toString());break;
    case 14:
    buInfo.setStorageDate(cell.toString());break;
    case 15:
    buInfo.setRemark(cell.toString());break;
    default:
    break;
    }
    }
    buList.add(buInfo);
    }
    }
    } else {
    System.out.println("找不到指定的文件");
    }
    } catch (Exception e) {
    e.printStackTrace();
    }
    return buList;
    }

    public static void main(String[] args) {
    BatchUploadUtlis buu = new BatchUploadUtlis();
    List<BatchUploadInfo> list = buu.mentondExecute("F:\工作资料\20190228档案管理\合同\合同\合同登记表(测试).xls");
    for(int i = 0 ; i < list.size() ; i++) {
    System.out.println(list.get(i).getContractNo());
    }
    }
    }

     /********************************************************工具类end*****************************************************************/

     /********************************************************实体类start*****************************************************************/

    package cn.cnnho.utils;

    /**
    * @功能描述:bean

    */
    public class BatchUploadInfo {

    private String id;
    private String depName;
    private String storageLocation;
    private String contractName;
    private String contractNo;
    private String partyA;
    private String partyB;
    private String heir;
    private String theSignOne;
    private String theSignDate;
    private String electronicEdition;
    private String content;
    private String storageType;
    private String isSame;
    private String storageDate;
    private String remark;


    public String getIsSame() {
    return isSame;
    }
    public void setIsSame(String isSame) {
    this.isSame = isSame;
    }
    public String getId() {
    return id;
    }
    public void setId(String id) {
    this.id = id;
    }
    public String getDepName() {
    return depName;
    }
    public void setDepName(String depName) {
    this.depName = depName;
    }
    public String getStorageLocation() {
    return storageLocation;
    }
    public void setStorageLocation(String storageLocation) {
    this.storageLocation = storageLocation;
    }
    public String getContractName() {
    return contractName;
    }
    public void setContractName(String contractName) {
    this.contractName = contractName;
    }
    public String getContractNo() {
    return contractNo;
    }
    public void setContractNo(String contractNo) {
    this.contractNo = contractNo;
    }
    public String getPartyA() {
    return partyA;
    }
    public void setPartyA(String partyA) {
    this.partyA = partyA;
    }
    public String getPartyB() {
    return partyB;
    }
    public void setPartyB(String partyB) {
    this.partyB = partyB;
    }
    public String getHeir() {
    return heir;
    }
    public void setHeir(String heir) {
    this.heir = heir;
    }
    public String getTheSignOne() {
    return theSignOne;
    }
    public void setTheSignOne(String theSignOne) {
    this.theSignOne = theSignOne;
    }
    public String getTheSignDate() {
    return theSignDate;
    }
    public void setTheSignDate(String theSignDate) {
    this.theSignDate = theSignDate;
    }
    public String getElectronicEdition() {
    return electronicEdition;
    }
    public void setElectronicEdition(String electronicEdition) {
    this.electronicEdition = electronicEdition;
    }
    public String getContent() {
    return content;
    }
    public void setContent(String content) {
    this.content = content;
    }
    public String getStorageType() {
    return storageType;
    }
    public void setStorageType(String storageType) {
    this.storageType = storageType;
    }
    public String getStorageDate() {
    return storageDate;
    }
    public void setStorageDate(String storageDate) {
    this.storageDate = storageDate;
    }
    public String getRemark() {
    return remark;
    }
    public void setRemark(String remark) {
    this.remark = remark;
    }

    }

     
     /********************************************************实体类end****************************************************************/

    所需jar包

    commons-collections4-4.1.jar
    curvesapi-1.04.jar
    poi-3.15.jar
    poi-ooxml-3.15.jar
    poi-ooxml-schemas-3.15.jar
    stax-api-1.0.1.jar
    xmlbeans-2.6.0.jar

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  • 原文地址:https://www.cnblogs.com/guangxiang/p/10775702.html
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