导入EXCEL

Posted 2021-01-16 qq376324789

导入EXCEL

1.传入对应的表格，转为list工具类

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

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;


/**
 * 从EXCEL导入到数据库
 * 创建人：FH 创建时间：2014年12月23日
 * @version
 */
public class ObjectExcelRead {

    /**
     * @param filepath //文件路径
     * @param filename //文件名
     * @param startrow //开始行号
     * @param startcol //开始列号
     * @param sheetnum //sheet
     * @return list
     */
    public static List<Object> readExcel(String filepath, String filename, int startrow, int startcol, int sheetnum) {
        List<Object> varList = new ArrayList<Object>();

        try {
            File target = new File(filepath, filename);
            FileInputStream fi = new FileInputStream(target);
            HSSFWorkbook wb = new HSSFWorkbook(fi);
            HSSFSheet sheet = wb.getSheetAt(sheetnum);                     //sheet 从0开始
            int rowNum = sheet.getLastRowNum() + 1;                     //取得最后一行的行号

            for (int i = startrow; i < rowNum; i++) {                    //行循环开始
                
                PageData varpd = new PageData();
                HSSFRow row = sheet.getRow(i);                             //行
                int cellNum = row.getLastCellNum();                     //每行的最后一个单元格位置

                for (int j = startcol; j < cellNum; j++) {                //列循环开始
                    
                    HSSFCell cell = row.getCell(Short.parseShort(j + ""));
                    String cellValue = null;
                    if (null != cell) {
                        switch (cell.getCellType()) {                     // 判断excel单元格内容的格式，并对其进行转换，以便插入数据库
                        case 0:
                            cellValue = String.valueOf((int) cell.getNumericCellValue());
                            break;
                        case 1:
                            cellValue = cell.getStringCellValue();
                            break;
                        case 2:
                            cellValue = cell.getNumericCellValue() + "";
                            // cellValue = String.valueOf(cell.getDateCellValue());
                            break;
                        case 3:
                            cellValue = "";
                            break;
                        case 4:
                            cellValue = String.valueOf(cell.getBooleanCellValue());
                            break;
                        case 5:
                            cellValue = String.valueOf(cell.getErrorCellValue());
                            break;
                        }
                    } else {
                        cellValue = "";
                    }
                    
                    varpd.put("var"+j, cellValue);
                    
                }
                varList.add(varpd);
            }

        } catch (Exception e) {
            System.out.println(e);
        }
        
        return varList;
    }
}

导入案例

/**
     * 从EXCEL导入到数据库
     */
    @RequestMapping(value="/readExcel")
    @ResponseBody
    public String readExcel(
            @RequestParam(value="excel",required=false) MultipartFile file
            ) throws Exception{
        PageData pd = new PageData();
        if(!Jurisdiction.buttonJurisdiction(menuUrl, "add")){return null;}
        if (null != file && !file.isEmpty()) {
            String filePath = PathUtil.getClasspath() + Const.FILEpathFILE;                                //文件上传路径
            String fileName =  FileUpload.fileUp(file, filePath, "userexcel");                            //执行上传
            
            List<PageData> listPd = (List)ObjectExcelRead.readExcel(filePath, fileName, 1, 0, 0);    //执行读EXCEL操作,读出的数据导入List 1:从第2行开始；0:从第A列开始；0:第0个sheet
            
            /*存入数据库操作======================================*/
            pd.put("rights", "");                    //权限
            pd.put("last_login", "");                //最后登录时间
            pd.put("ip", "");                        //ip
            pd.put("status", "0");                    //状态
            pd.put("skin", "default");                //默认皮肤
            //得到数据；保存到数据库
            for(int i=0;i<listPd.size();i++){
                //查询身份证信息，如果已经存在，则跳过
            if(driverService.getByIdcode(listPd.get(i).getString("var10"))>0){
                continue;
            }
                PageData pd2 = new PageData();
            /*    [{var9=是, var8=一车队, var7=在职, 
                var6=2018-04-03 16:29:36.0, var5=qewe, var4=加盟, 
                var10=21, var3=21, var2=1, var1=男, var0=wqw}]*/
                pd2.put("name", listPd.get(i).getString("var0"));
                if(listPd.get(i).get("var1")!=null&&listPd.get(i).get("var1").toString().equals("男")){
                    pd2.put("sex",1 );
                }else{
                    pd2.put("sex",2 );
                }
                pd2.put("phone", listPd.get(i).getString("var2"));
                pd2.put("drive_number", listPd.get(i).getString("var3"));
                pd2.put("signing_company", listPd.get(i).getString("var4"));
                pd2.put("entry_time", listPd.get(i).getString("var6"));
                
                if(listPd.get(i).get("var7")!=null&&listPd.get(i).get("var7").toString().equals("在职")){
                    pd2.put("state",1);
                }else if(listPd.get(i).get("var7")!=null&&listPd.get(i).get("var7").toString().equals("离职")){
                    pd2.put("state",2);
                }else{
                    pd2.put("state",3);
                }                
                pd2.put("idcode", listPd.get(i).getString("var10"));    
                pd2.put("address", listPd.get(i).getString("var11"));
                //批量导入时的默认密码为123456
                String md5DigestAsHex = DigestUtils.md5DigestAsHex("123456".getBytes());
                pd2.put("password", md5DigestAsHex);
                pd2.put("id", this.get32UUID());
                driverService.save(pd2);
            }
        }    
        //删除所有司机缓存
        driverCacheUtil.deleteAllDriver();
        return "0";
    }