com.xinjump.easyexcel.util.ExcelUtil Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of xinjump-easyexcel Show documentation

Xinjump easyexcel

The newest version!

package com.xinjump.easyexcel.util;

import com.xinjump.easyexcel.annotation.Excel;
import com.xinjump.easyexcel.exceptions.ExcelException;
import com.xinjump.base.util.collect.CollectionUtils;

import java.util.List;

/**
 * @author xinjump
 * @version 1.1
 * @date 2020/12/21 14:16
 * @see com.xinjump.easyexcel.util
 */
/*@SuppressWarnings("unchecked")*/
public class ExcelUtil {

    /*public static  Class getFirstClassByList(List data) {
        if (CollectionUtils.isEmpty(data)) {
            throw new ExcelException("数据为空！");
        }

        return (Class) data.get(0).getClass();
    }*/

    public static Excel getExcel(Class clazz) {
        // 获取类excel文件名
        Excel excel = clazz.getAnnotation(Excel.class);
        if (excel == null) {
            throw new ExcelException(String.format("class [%s] @Excel Annotation is Empty", clazz.getSimpleName()));
        }
        return excel;
    }

    public static Excel getSuperExcel(Class clazz) {
        // 获取类excel文件名
        Excel excel = clazz.getSuperclass().getAnnotation(Excel.class);
        if (excel == null) {
            throw new ExcelException(String.format("superclass [%s] @Excel Annotation is Empty", clazz.getSimpleName()));
        }
        return excel;
    }

}