明星电力充电桩
blame | 历史 | 补丁 | 提交 | 提交对比 | ignore whitespace
zhibing.pu
2024-08-26 25c8b9a4f52718e8909cee652d58fd6cfd2f4cc3 
 ruoyi-service/ruoyi-chargingPile/src/main/java/com/ruoyi/chargingPile/controller/TChargingGunController.java


@@ -1,6 +1,7 @@


package com.ruoyi.chargingPile.controller;






import cn.hutool.core.io.FileUtil;


import com.ruoyi.chargingPile.api.dto.TChargingGunDTO;


import com.ruoyi.chargingPile.api.model.TChargingGun;


import com.ruoyi.chargingPile.api.model.TChargingPile;


@@ -8,6 +9,7 @@


import com.ruoyi.chargingPile.api.vo.TChargingGunVO;


import com.ruoyi.chargingPile.service.TChargingGunService;


import com.ruoyi.chargingPile.service.TChargingPileService;


import com.ruoyi.chargingPile.util.QRCodeUtils;


import com.ruoyi.common.core.domain.R;


import com.ruoyi.common.core.web.domain.AjaxResult;


import com.ruoyi.common.core.web.domain.BaseDelete;


@@ -22,6 +24,9 @@




import javax.annotation.Resource;


import javax.servlet.http.HttpServletResponse;


import java.io.FileInputStream;


import java.io.PrintWriter;


import java.net.URLEncoder;


import java.util.Arrays;


import java.util.List;




@@ -125,7 +130,26 @@


    @ApiOperation(tags = {"管理后台-充电桩信息"},value = "下载二维码")


    @GetMapping(value = "/downloadQRCode/{id}")


    public void downloadQRCode(@PathVariable Integer id, HttpServletResponse response){


        // todo 待完善


        try {


            TChargingGun chargingGun = chargingGunService.getById(id);


            response.setContentType("image/jpeg");


            response.setHeader("Content-Disposition","attachment; filename=" + URLEncoder.encode(chargingGun.getName(), "UTF-8") + ".jpeg");


            String url = "https://www.baidu.com?id=" + id;


            String filePath = "";


            QRCodeUtils.encode(url, filePath);


            FileInputStream inputStream = new FileInputStream(filePath);


            PrintWriter out = response.getWriter();


            int len = 0;


            byte[] buf = new byte[1024];


            while ((len = inputStream.read(buf, 0, 1024)) != -1) {


                out.println(buf);


            }


            out.flush();


            out.close();


            inputStream.close();


        }catch (Exception e){


            e.printStackTrace();


        }


    }