From 25c8b9a4f52718e8909cee652d58fd6cfd2f4cc3 Mon Sep 17 00:00:00 2001
From: zhibing.pu <393733352@qq.com>
Date: 星期一, 26 八月 2024 17:09:50 +0800
Subject: [PATCH] 完善二维码下载功能
---
ruoyi-service/ruoyi-chargingPile/src/main/java/com/ruoyi/chargingPile/controller/TChargingGunController.java | 26 +++++++++++++++++++++++++-
1 files changed, 25 insertions(+), 1 deletions(-)
diff --git a/ruoyi-service/ruoyi-chargingPile/src/main/java/com/ruoyi/chargingPile/controller/TChargingGunController.java b/ruoyi-service/ruoyi-chargingPile/src/main/java/com/ruoyi/chargingPile/controller/TChargingGunController.java
index 334d16f..cc6f241 100644
--- a/ruoyi-service/ruoyi-chargingPile/src/main/java/com/ruoyi/chargingPile/controller/TChargingGunController.java
+++ b/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();
+ }
}
--
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