service/src/main/java/com/yunzhi/inte/common/ExcelUtils.java

package com.yunzhi.inte.common;

import com.alibaba.excel.EasyExcel;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

public class ExcelUtils {

    /**
     * 发送 excel 到客户端
     * 暂时只支持单 sheet 页
     * @param response
     * @param data
     * @param fileName
     * @throws IOException
     */
    public static void flush(HttpServletResponse response, Class dataClass, List data, String fileName) throws IOException {
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("utf-8");
        response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");
        response.setHeader("Content-Disposition", "attachment;filename="+StringUtils.urlEncode(fileName)+".xlsx");

        EasyExcel.write(response.getOutputStream(), dataClass).sheet("sheet1").doWrite(data);
    }
}