bt-yjj-system-examination-signup/src/main/java/cn/com/tenlion/util/ImportExcelHelper.java

package cn.com.tenlion.util;

import cn.com.tenlion.dao.excel.IExcelDao;
import cn.com.tenlion.pojo.model.ApplyStudentsModel;
import cn.com.tenlion.service.handleimportexcel.IHandleImportExcelService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.HashMap;
import java.util.Map;


/**
 * 导入excel数据的校验类
 * @author renpc
 */
@Component
public class ImportExcelHelper {

    @Autowired
    private IHandleImportExcelService handleImportExcelService;


    /**
     * excelDao
     */
    private static IExcelDao excelDao;


    @Autowired
    public void init(IExcelDao excelDao) {
        ImportExcelHelper.excelDao = excelDao;
    }

    public static <T> String checkDataValid(T obj) {
        if(null == obj) {
            return null;
        }
        String returnStr = isMustInput(obj);
        return returnStr;
    }

    /**
     * 检查数据是否必填项缺失
     * @param obj
     * @param <T>
     * @return
     */
    private static <T> String isMustInput(T obj) {
        // 出租房
        if(obj instanceof ApplyStudentsModel) {
            Object temp = obj;
            ApplyStudentsModel rentalHousingModel = (ApplyStudentsModel) temp;
            return checkApplyStudentsData(rentalHousingModel);
        }
        return "";
    }

    /**
     * 从数据库比对数据，并转换为数据库数据
     * @param obj
     * @param <T>
     */
    public static <T> void checkDataFromDatabase(T obj) {
        // 出租房
        if(obj instanceof ApplyStudentsModel) {
            Object temp = obj;
            ApplyStudentsModel applyStudentsModel = (ApplyStudentsModel) temp;
            applyStudentsCheck(applyStudentsModel);
            temp = applyStudentsModel;
            obj = (T) temp;
        }
    }

    /**
     * 检查数据是否必填项缺失(考生成绩)
     * @param applyStudentsModel
     * @return
     */
    private static String checkApplyStudentsData(ApplyStudentsModel applyStudentsModel) {
        if(StringUtils.isEmpty(applyStudentsModel.getPlanNumber())) {
            return "班号必填";
        }
        if(StringUtils.isEmpty(applyStudentsModel.getUserName())) {
            return "考生姓名必填";
        }
        if(StringUtils.isEmpty(applyStudentsModel.getCardNumber())) {
            return "考生身份证号码必填";
        }
        if(StringUtils.isEmpty(applyStudentsModel.getScore())) {
            return "考生成绩必填";
        }
        return "";
    }

    /**
     * 从数据库比对数据，并转换为数据库数据(考生成绩)
     * @param applyStudentsModel
     */
    private static void applyStudentsCheck(ApplyStudentsModel applyStudentsModel) {
        Map<String, Object> param = new HashMap<>();
    }


}